drewcassidy/nvidia-texture-tools
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Merge changes from the witness.

Browse Source
This commit is contained in:
castano
2011-10-10 20:24:12 +00:00
parent 94401919b8
commit 2ec37026be
35 changed files with 9420 additions and 9328 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1346
src/nvimage/BlockDXT.cpp
View File

File diff suppressed because it is too large Load Diff

456
src/nvimage/BlockDXT.h
View File

@ -1,228 +1,228 @@
// Copyright NVIDIA Corporation 2007 -- Ignacio Castano <icastano@nvidia.com>
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
#pragma once
#ifndef NV_IMAGE_BLOCKDXT_H
#define NV_IMAGE_BLOCKDXT_H
#include "nvimage.h"
#include "nvmath/Color.h"
namespace nv
{
struct ColorBlock;
class Stream;
/// DXT1 block.
struct BlockDXT1
{
Color16 col0;
Color16 col1;
union {
uint8 row[4];
uint indices;
};
bool isFourColorMode() const;
uint evaluatePalette(Color32 color_array[4], bool d3d9) const;
uint evaluatePaletteNV5x(Color32 color_array[4]) const;
void evaluatePalette3(Color32 color_array[4], bool d3d9) const;
void evaluatePalette4(Color32 color_array[4], bool d3d9) const;
void decodeBlock(ColorBlock * block, bool d3d9 = false) const;
void decodeBlockNV5x(ColorBlock * block) const;
void setIndices(int * idx);
void flip4();
void flip2();
};
/// Return true if the block uses four color mode, false otherwise.
inline bool BlockDXT1::isFourColorMode() const
{
return col0.u > col1.u;
}
/// DXT3 alpha block with explicit alpha.
struct AlphaBlockDXT3
{
union {
struct {
uint alpha0 : 4;
uint alpha1 : 4;
uint alpha2 : 4;
uint alpha3 : 4;
uint alpha4 : 4;
uint alpha5 : 4;
uint alpha6 : 4;
uint alpha7 : 4;
uint alpha8 : 4;
uint alpha9 : 4;
uint alphaA : 4;
uint alphaB : 4;
uint alphaC : 4;
uint alphaD : 4;
uint alphaE : 4;
uint alphaF : 4;
};
uint16 row[4];
};
void decodeBlock(ColorBlock * block, bool d3d9 = false) const;
void flip4();
void flip2();
};
/// DXT3 block.
struct BlockDXT3
{
AlphaBlockDXT3 alpha;
BlockDXT1 color;
void decodeBlock(ColorBlock * block, bool d3d9 = false) const;
void decodeBlockNV5x(ColorBlock * block) const;
void flip4();
void flip2();
};
/// DXT5 alpha block.
struct AlphaBlockDXT5
{
union {
struct {
uint64 alpha0 : 8; // 8
uint64 alpha1 : 8; // 16
uint64 bits0 : 3; // 3 - 19
uint64 bits1 : 3; // 6 - 22
uint64 bits2 : 3; // 9 - 25
uint64 bits3 : 3; // 12 - 28
uint64 bits4 : 3; // 15 - 31
uint64 bits5 : 3; // 18 - 34
uint64 bits6 : 3; // 21 - 37
uint64 bits7 : 3; // 24 - 40
uint64 bits8 : 3; // 27 - 43
uint64 bits9 : 3; // 30 - 46
uint64 bitsA : 3; // 33 - 49
uint64 bitsB : 3; // 36 - 52
uint64 bitsC : 3; // 39 - 55
uint64 bitsD : 3; // 42 - 58
uint64 bitsE : 3; // 45 - 61
uint64 bitsF : 3; // 48 - 64
};
uint64 u;
};
void evaluatePalette(uint8 alpha[8], bool d3d9) const;
void evaluatePalette8(uint8 alpha[8], bool d3d9) const;
void evaluatePalette6(uint8 alpha[8], bool d3d9) const;
void indices(uint8 index_array[16]) const;
uint index(uint index) const;
void setIndex(uint index, uint value);
void decodeBlock(ColorBlock * block, bool d3d9 = false) const;
void flip4();
void flip2();
};
/// DXT5 block.
struct BlockDXT5
{
AlphaBlockDXT5 alpha;
BlockDXT1 color;
void decodeBlock(ColorBlock * block, bool d3d9 = false) const;
void decodeBlockNV5x(ColorBlock * block) const;
void flip4();
void flip2();
};
/// ATI1 block.
struct BlockATI1
{
AlphaBlockDXT5 alpha;
void decodeBlock(ColorBlock * block, bool d3d9 = false) const;
void flip4();
void flip2();
};
/// ATI2 block.
struct BlockATI2
{
AlphaBlockDXT5 x;
AlphaBlockDXT5 y;
void decodeBlock(ColorBlock * block, bool d3d9 = false) const;
void flip4();
void flip2();
};
/// CTX1 block.
struct BlockCTX1
{
uint8 col0[2];
uint8 col1[2];
union {
uint8 row[4];
uint indices;
};
void evaluatePalette(Color32 color_array[4]) const;
void setIndices(int * idx);
void decodeBlock(ColorBlock * block) const;
void flip4();
void flip2();
};
// Serialization functions.
NVIMAGE_API Stream & operator<<(Stream & stream, BlockDXT1 & block);
NVIMAGE_API Stream & operator<<(Stream & stream, AlphaBlockDXT3 & block);
NVIMAGE_API Stream & operator<<(Stream & stream, BlockDXT3 & block);
NVIMAGE_API Stream & operator<<(Stream & stream, AlphaBlockDXT5 & block);
NVIMAGE_API Stream & operator<<(Stream & stream, BlockDXT5 & block);
NVIMAGE_API Stream & operator<<(Stream & stream, BlockATI1 & block);
NVIMAGE_API Stream & operator<<(Stream & stream, BlockATI2 & block);
NVIMAGE_API Stream & operator<<(Stream & stream, BlockCTX1 & block);
} // nv namespace
#endif // NV_IMAGE_BLOCKDXT_H
// Copyright NVIDIA Corporation 2007 -- Ignacio Castano <icastano@nvidia.com>
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
#pragma once
#ifndef NV_IMAGE_BLOCKDXT_H
#define NV_IMAGE_BLOCKDXT_H
#include "nvimage.h"
#include "nvmath/Color.h"
namespace nv
{
struct ColorBlock;
class Stream;
/// DXT1 block.
struct BlockDXT1
{
Color16 col0;
Color16 col1;
union {
uint8 row[4];
uint indices;
};
bool isFourColorMode() const;
uint evaluatePalette(Color32 color_array[4], bool d3d9) const;
uint evaluatePaletteNV5x(Color32 color_array[4]) const;
void evaluatePalette3(Color32 color_array[4], bool d3d9) const;
void evaluatePalette4(Color32 color_array[4], bool d3d9) const;
void decodeBlock(ColorBlock * block, bool d3d9 = false) const;
void decodeBlockNV5x(ColorBlock * block) const;
void setIndices(int * idx);
void flip4();
void flip2();
};
/// Return true if the block uses four color mode, false otherwise.
inline bool BlockDXT1::isFourColorMode() const
{
return col0.u > col1.u;
}
/// DXT3 alpha block with explicit alpha.
struct AlphaBlockDXT3
{
union {
struct {
uint alpha0 : 4;
uint alpha1 : 4;
uint alpha2 : 4;
uint alpha3 : 4;
uint alpha4 : 4;
uint alpha5 : 4;
uint alpha6 : 4;
uint alpha7 : 4;
uint alpha8 : 4;
uint alpha9 : 4;
uint alphaA : 4;
uint alphaB : 4;
uint alphaC : 4;
uint alphaD : 4;
uint alphaE : 4;
uint alphaF : 4;
};
uint16 row[4];
};
void decodeBlock(ColorBlock * block, bool d3d9 = false) const;
void flip4();
void flip2();
};
/// DXT3 block.
struct BlockDXT3
{
AlphaBlockDXT3 alpha;
BlockDXT1 color;
void decodeBlock(ColorBlock * block, bool d3d9 = false) const;
void decodeBlockNV5x(ColorBlock * block) const;
void flip4();
void flip2();
};
/// DXT5 alpha block.
struct AlphaBlockDXT5
{
union {
struct {
uint64 alpha0 : 8; // 8
uint64 alpha1 : 8; // 16
uint64 bits0 : 3; // 3 - 19
uint64 bits1 : 3; // 6 - 22
uint64 bits2 : 3; // 9 - 25
uint64 bits3 : 3; // 12 - 28
uint64 bits4 : 3; // 15 - 31
uint64 bits5 : 3; // 18 - 34
uint64 bits6 : 3; // 21 - 37
uint64 bits7 : 3; // 24 - 40
uint64 bits8 : 3; // 27 - 43
uint64 bits9 : 3; // 30 - 46
uint64 bitsA : 3; // 33 - 49
uint64 bitsB : 3; // 36 - 52
uint64 bitsC : 3; // 39 - 55
uint64 bitsD : 3; // 42 - 58
uint64 bitsE : 3; // 45 - 61
uint64 bitsF : 3; // 48 - 64
};
uint64 u;
};
void evaluatePalette(uint8 alpha[8], bool d3d9) const;
void evaluatePalette8(uint8 alpha[8], bool d3d9) const;
void evaluatePalette6(uint8 alpha[8], bool d3d9) const;
void indices(uint8 index_array[16]) const;
uint index(uint index) const;
void setIndex(uint index, uint value);
void decodeBlock(ColorBlock * block, bool d3d9 = false) const;
void flip4();
void flip2();
};
/// DXT5 block.
struct BlockDXT5
{
AlphaBlockDXT5 alpha;
BlockDXT1 color;
void decodeBlock(ColorBlock * block, bool d3d9 = false) const;
void decodeBlockNV5x(ColorBlock * block) const;
void flip4();
void flip2();
};
/// ATI1 block.
struct BlockATI1
{
AlphaBlockDXT5 alpha;
void decodeBlock(ColorBlock * block, bool d3d9 = false) const;
void flip4();
void flip2();
};
/// ATI2 block.
struct BlockATI2
{
AlphaBlockDXT5 x;
AlphaBlockDXT5 y;
void decodeBlock(ColorBlock * block, bool d3d9 = false) const;
void flip4();
void flip2();
};
/// CTX1 block.
struct BlockCTX1
{
uint8 col0[2];
uint8 col1[2];
union {
uint8 row[4];
uint indices;
};
void evaluatePalette(Color32 color_array[4]) const;
void setIndices(int * idx);
void decodeBlock(ColorBlock * block) const;
void flip4();
void flip2();
};
// Serialization functions.
NVIMAGE_API Stream & operator<<(Stream & stream, BlockDXT1 & block);
NVIMAGE_API Stream & operator<<(Stream & stream, AlphaBlockDXT3 & block);
NVIMAGE_API Stream & operator<<(Stream & stream, BlockDXT3 & block);
NVIMAGE_API Stream & operator<<(Stream & stream, AlphaBlockDXT5 & block);
NVIMAGE_API Stream & operator<<(Stream & stream, BlockDXT5 & block);
NVIMAGE_API Stream & operator<<(Stream & stream, BlockATI1 & block);
NVIMAGE_API Stream & operator<<(Stream & stream, BlockATI2 & block);
NVIMAGE_API Stream & operator<<(Stream & stream, BlockCTX1 & block);
} // nv namespace
#endif // NV_IMAGE_BLOCKDXT_H

1270
src/nvimage/ColorBlock.cpp
View File

File diff suppressed because it is too large Load Diff

234
src/nvimage/ColorBlock.h
View File

@ -1,117 +1,117 @@
// This code is in the public domain -- castanyo@yahoo.es
#pragma once
#ifndef NV_IMAGE_COLORBLOCK_H
#define NV_IMAGE_COLORBLOCK_H
#include "nvmath/Color.h"
#include "nvmath/Vector.h"
namespace nv
{
class Image;
class FloatImage;
/// Uncompressed 4x4 color block.
struct ColorBlock
{
ColorBlock();
ColorBlock(const uint * linearImage);
ColorBlock(const ColorBlock & block);
ColorBlock(const Image * img, uint x, uint y);
void init(const Image * img, uint x, uint y);
void init(uint w, uint h, const uint * data, uint x, uint y);
void init(uint w, uint h, const float * data, uint x, uint y);
void swizzle(uint x, uint y, uint z, uint w); // 0=r, 1=g, 2=b, 3=a, 4=0xFF, 5=0
bool isSingleColor(Color32 mask = Color32(0xFF, 0xFF, 0xFF, 0x00)) const;
bool hasAlpha() const;
// Accessors
const Color32 * colors() const;
Color32 color(uint i) const;
Color32 & color(uint i);
Color32 color(uint x, uint y) const;
Color32 & color(uint x, uint y);
private:
Color32 m_color[4*4];
};
/// Get pointer to block colors.
inline const Color32 * ColorBlock::colors() const
{
return m_color;
}
/// Get block color.
inline Color32 ColorBlock::color(uint i) const
{
nvDebugCheck(i < 16);
return m_color[i];
}
/// Get block color.
inline Color32 & ColorBlock::color(uint i)
{
nvDebugCheck(i < 16);
return m_color[i];
}
/// Get block color.
inline Color32 ColorBlock::color(uint x, uint y) const
{
nvDebugCheck(x < 4 && y < 4);
return m_color[y * 4 + x];
}
/// Get block color.
inline Color32 & ColorBlock::color(uint x, uint y)
{
nvDebugCheck(x < 4 && y < 4);
return m_color[y * 4 + x];
}
struct ColorSet
{
void setColors(const float * data, uint img_w, uint img_h, uint img_x, uint img_y);
void setAlphaWeights();
void setUniformWeights();
void createMinimalSet(bool ignoreTransparent);
void wrapIndices();
void swizzle(uint x, uint y, uint z, uint w); // 0=r, 1=g, 2=b, 3=a, 4=0xFF, 5=0
bool isSingleColor(bool ignoreAlpha) const;
bool hasAlpha() const;
// These methods require indices to be set:
Vector4 color(uint x, uint y) const { nvDebugCheck(x < w && y < h); return colors[remap[y * 4 + x]]; }
Vector4 & color(uint x, uint y) { nvDebugCheck(x < w && y < h); return colors[remap[y * 4 + x]]; }
Vector4 color(uint i) const { nvDebugCheck(i < 16); return colors[remap[i]]; }
Vector4 & color(uint i) { nvDebugCheck(i < 16); return colors[remap[i]]; }
uint count;
uint w, h;
Vector4 colors[16];
float weights[16];
int remap[16];
};
} // nv namespace
#endif // NV_IMAGE_COLORBLOCK_H
// This code is in the public domain -- castanyo@yahoo.es
#pragma once
#ifndef NV_IMAGE_COLORBLOCK_H
#define NV_IMAGE_COLORBLOCK_H
#include "nvmath/Color.h"
#include "nvmath/Vector.h"
namespace nv
{
class Image;
class FloatImage;
/// Uncompressed 4x4 color block.
struct ColorBlock
{
ColorBlock();
ColorBlock(const uint * linearImage);
ColorBlock(const ColorBlock & block);
ColorBlock(const Image * img, uint x, uint y);
void init(const Image * img, uint x, uint y);
void init(uint w, uint h, const uint * data, uint x, uint y);
void init(uint w, uint h, const float * data, uint x, uint y);
void swizzle(uint x, uint y, uint z, uint w); // 0=r, 1=g, 2=b, 3=a, 4=0xFF, 5=0
bool isSingleColor(Color32 mask = Color32(0xFF, 0xFF, 0xFF, 0x00)) const;
bool hasAlpha() const;
// Accessors
const Color32 * colors() const;
Color32 color(uint i) const;
Color32 & color(uint i);
Color32 color(uint x, uint y) const;
Color32 & color(uint x, uint y);
private:
Color32 m_color[4*4];
};
/// Get pointer to block colors.
inline const Color32 * ColorBlock::colors() const
{
return m_color;
}
/// Get block color.
inline Color32 ColorBlock::color(uint i) const
{
nvDebugCheck(i < 16);
return m_color[i];
}
/// Get block color.
inline Color32 & ColorBlock::color(uint i)
{
nvDebugCheck(i < 16);
return m_color[i];
}
/// Get block color.
inline Color32 ColorBlock::color(uint x, uint y) const
{
nvDebugCheck(x < 4 && y < 4);
return m_color[y * 4 + x];
}
/// Get block color.
inline Color32 & ColorBlock::color(uint x, uint y)
{
nvDebugCheck(x < 4 && y < 4);
return m_color[y * 4 + x];
}
struct ColorSet
{
void setColors(const float * data, uint img_w, uint img_h, uint img_x, uint img_y);
void setAlphaWeights();
void setUniformWeights();
void createMinimalSet(bool ignoreTransparent);
void wrapIndices();
void swizzle(uint x, uint y, uint z, uint w); // 0=r, 1=g, 2=b, 3=a, 4=0xFF, 5=0
bool isSingleColor(bool ignoreAlpha) const;
bool hasAlpha() const;
// These methods require indices to be set:
Vector4 color(uint x, uint y) const { nvDebugCheck(x < w && y < h); return colors[remap[y * 4 + x]]; }
Vector4 & color(uint x, uint y) { nvDebugCheck(x < w && y < h); return colors[remap[y * 4 + x]]; }
Vector4 color(uint i) const { nvDebugCheck(i < 16); return colors[remap[i]]; }
Vector4 & color(uint i) { nvDebugCheck(i < 16); return colors[remap[i]]; }
uint count;
uint w, h;
Vector4 colors[16];
float weights[16];
int remap[16];
};
} // nv namespace
#endif // NV_IMAGE_COLORBLOCK_H

12
src/nvimage/ColorSpace.cpp
View File

@ -1,10 +1,10 @@
// This code is in the public domain -- jim@tilander.org
#include <nvcore/nvcore.h>
#include <nvmath/Color.h>
#include <nvimage/Image.h>
#include <nvmath/Color.h>
#include <nvimage/Image.h>
#include "ColorSpace.h"
namespace nv
@ -67,4 +67,4 @@ namespace nv
}
}
}
}
}

3240
src/nvimage/DirectDrawSurface.cpp
View File

File diff suppressed because it is too large Load Diff

812
src/nvimage/DirectDrawSurface.h
View File

@ -1,406 +1,406 @@
// Copyright NVIDIA Corporation 2007 -- Ignacio Castano <icastano@nvidia.com>
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
#pragma once
#ifndef NV_IMAGE_DIRECTDRAWSURFACE_H
#define NV_IMAGE_DIRECTDRAWSURFACE_H
#include "nvimage.h"
#if !defined(MAKEFOURCC)
#define MAKEFOURCC(ch0, ch1, ch2, ch3) \
(uint(uint8(ch0)) | (uint(uint8(ch1)) << 8) | \
(uint(uint8(ch2)) << 16) | (uint(uint8(ch3)) << 24 ))
#endif
namespace nv
{
class Image;
class Stream;
struct ColorBlock;
extern const uint FOURCC_NVTT;
extern const uint FOURCC_DDS;
extern const uint FOURCC_DXT1;
extern const uint FOURCC_DXT2;
extern const uint FOURCC_DXT3;
extern const uint FOURCC_DXT4;
extern const uint FOURCC_DXT5;
extern const uint FOURCC_RXGB;
extern const uint FOURCC_ATI1;
extern const uint FOURCC_ATI2;
enum DDPF
{
DDPF_ALPHAPIXELS = 0x00000001U,
DDPF_ALPHA = 0x00000002U,
DDPF_FOURCC = 0x00000004U,
DDPF_RGB = 0x00000040U,
DDPF_PALETTEINDEXED1 = 0x00000800U,
DDPF_PALETTEINDEXED2 = 0x00001000U,
DDPF_PALETTEINDEXED4 = 0x00000008U,
DDPF_PALETTEINDEXED8 = 0x00000020U,
DDPF_LUMINANCE = 0x00020000U,
DDPF_ALPHAPREMULT = 0x00008000U,
// Custom NVTT flags.
DDPF_NORMAL = 0x80000000U,
DDPF_SRGB = 0x40000000U,
};
enum D3DFORMAT
{
// 32 bit RGB formats.
D3DFMT_R8G8B8 = 20,
D3DFMT_A8R8G8B8 = 21,
D3DFMT_X8R8G8B8 = 22,
D3DFMT_R5G6B5 = 23,
D3DFMT_X1R5G5B5 = 24,
D3DFMT_A1R5G5B5 = 25,
D3DFMT_A4R4G4B4 = 26,
D3DFMT_R3G3B2 = 27,
D3DFMT_A8 = 28,
D3DFMT_A8R3G3B2 = 29,
D3DFMT_X4R4G4B4 = 30,
D3DFMT_A2B10G10R10 = 31,
D3DFMT_A8B8G8R8 = 32,
D3DFMT_X8B8G8R8 = 33,
D3DFMT_G16R16 = 34,
D3DFMT_A2R10G10B10 = 35,
D3DFMT_A16B16G16R16 = 36,
// Palette formats.
D3DFMT_A8P8 = 40,
D3DFMT_P8 = 41,
// Luminance formats.
D3DFMT_L8 = 50,
D3DFMT_A8L8 = 51,
D3DFMT_A4L4 = 52,
D3DFMT_L16 = 81,
// Floating point formats
D3DFMT_R16F = 111,
D3DFMT_G16R16F = 112,
D3DFMT_A16B16G16R16F = 113,
D3DFMT_R32F = 114,
D3DFMT_G32R32F = 115,
D3DFMT_A32B32G32R32F = 116,
};
// D3D1x resource dimensions.
enum D3D10_RESOURCE_DIMENSION
{
D3D10_RESOURCE_DIMENSION_UNKNOWN = 0,
D3D10_RESOURCE_DIMENSION_BUFFER = 1,
D3D10_RESOURCE_DIMENSION_TEXTURE1D = 2,
D3D10_RESOURCE_DIMENSION_TEXTURE2D = 3,
D3D10_RESOURCE_DIMENSION_TEXTURE3D = 4,
};
// DXGI formats.
enum DXGI_FORMAT
{
DXGI_FORMAT_UNKNOWN = 0,
DXGI_FORMAT_R32G32B32A32_TYPELESS = 1,
DXGI_FORMAT_R32G32B32A32_FLOAT = 2,
DXGI_FORMAT_R32G32B32A32_UINT = 3,
DXGI_FORMAT_R32G32B32A32_SINT = 4,
DXGI_FORMAT_R32G32B32_TYPELESS = 5,
DXGI_FORMAT_R32G32B32_FLOAT = 6,
DXGI_FORMAT_R32G32B32_UINT = 7,
DXGI_FORMAT_R32G32B32_SINT = 8,
DXGI_FORMAT_R16G16B16A16_TYPELESS = 9,
DXGI_FORMAT_R16G16B16A16_FLOAT = 10,
DXGI_FORMAT_R16G16B16A16_UNORM = 11,
DXGI_FORMAT_R16G16B16A16_UINT = 12,
DXGI_FORMAT_R16G16B16A16_SNORM = 13,
DXGI_FORMAT_R16G16B16A16_SINT = 14,
DXGI_FORMAT_R32G32_TYPELESS = 15,
DXGI_FORMAT_R32G32_FLOAT = 16,
DXGI_FORMAT_R32G32_UINT = 17,
DXGI_FORMAT_R32G32_SINT = 18,
DXGI_FORMAT_R32G8X24_TYPELESS = 19,
DXGI_FORMAT_D32_FLOAT_S8X24_UINT = 20,
DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS = 21,
DXGI_FORMAT_X32_TYPELESS_G8X24_UINT = 22,
DXGI_FORMAT_R10G10B10A2_TYPELESS = 23,
DXGI_FORMAT_R10G10B10A2_UNORM = 24,
DXGI_FORMAT_R10G10B10A2_UINT = 25,
DXGI_FORMAT_R11G11B10_FLOAT = 26,
DXGI_FORMAT_R8G8B8A8_TYPELESS = 27,
DXGI_FORMAT_R8G8B8A8_UNORM = 28,
DXGI_FORMAT_R8G8B8A8_UNORM_SRGB = 29,
DXGI_FORMAT_R8G8B8A8_UINT = 30,
DXGI_FORMAT_R8G8B8A8_SNORM = 31,
DXGI_FORMAT_R8G8B8A8_SINT = 32,
DXGI_FORMAT_R16G16_TYPELESS = 33,
DXGI_FORMAT_R16G16_FLOAT = 34,
DXGI_FORMAT_R16G16_UNORM = 35,
DXGI_FORMAT_R16G16_UINT = 36,
DXGI_FORMAT_R16G16_SNORM = 37,
DXGI_FORMAT_R16G16_SINT = 38,
DXGI_FORMAT_R32_TYPELESS = 39,
DXGI_FORMAT_D32_FLOAT = 40,
DXGI_FORMAT_R32_FLOAT = 41,
DXGI_FORMAT_R32_UINT = 42,
DXGI_FORMAT_R32_SINT = 43,
DXGI_FORMAT_R24G8_TYPELESS = 44,
DXGI_FORMAT_D24_UNORM_S8_UINT = 45,
DXGI_FORMAT_R24_UNORM_X8_TYPELESS = 46,
DXGI_FORMAT_X24_TYPELESS_G8_UINT = 47,
DXGI_FORMAT_R8G8_TYPELESS = 48,
DXGI_FORMAT_R8G8_UNORM = 49,
DXGI_FORMAT_R8G8_UINT = 50,
DXGI_FORMAT_R8G8_SNORM = 51,
DXGI_FORMAT_R8G8_SINT = 52,
DXGI_FORMAT_R16_TYPELESS = 53,
DXGI_FORMAT_R16_FLOAT = 54,
DXGI_FORMAT_D16_UNORM = 55,
DXGI_FORMAT_R16_UNORM = 56,
DXGI_FORMAT_R16_UINT = 57,
DXGI_FORMAT_R16_SNORM = 58,
DXGI_FORMAT_R16_SINT = 59,
DXGI_FORMAT_R8_TYPELESS = 60,
DXGI_FORMAT_R8_UNORM = 61,
DXGI_FORMAT_R8_UINT = 62,
DXGI_FORMAT_R8_SNORM = 63,
DXGI_FORMAT_R8_SINT = 64,
DXGI_FORMAT_A8_UNORM = 65,
DXGI_FORMAT_R1_UNORM = 66,
DXGI_FORMAT_R9G9B9E5_SHAREDEXP = 67,
DXGI_FORMAT_R8G8_B8G8_UNORM = 68,
DXGI_FORMAT_G8R8_G8B8_UNORM = 69,
DXGI_FORMAT_BC1_TYPELESS = 70,
DXGI_FORMAT_BC1_UNORM = 71,
DXGI_FORMAT_BC1_UNORM_SRGB = 72,
DXGI_FORMAT_BC2_TYPELESS = 73,
DXGI_FORMAT_BC2_UNORM = 74,
DXGI_FORMAT_BC2_UNORM_SRGB = 75,
DXGI_FORMAT_BC3_TYPELESS = 76,
DXGI_FORMAT_BC3_UNORM = 77,
DXGI_FORMAT_BC3_UNORM_SRGB = 78,
DXGI_FORMAT_BC4_TYPELESS = 79,
DXGI_FORMAT_BC4_UNORM = 80,
DXGI_FORMAT_BC4_SNORM = 81,
DXGI_FORMAT_BC5_TYPELESS = 82,
DXGI_FORMAT_BC5_UNORM = 83,
DXGI_FORMAT_BC5_SNORM = 84,
DXGI_FORMAT_B5G6R5_UNORM = 85,
DXGI_FORMAT_B5G5R5A1_UNORM = 86,
DXGI_FORMAT_B8G8R8A8_UNORM = 87,
DXGI_FORMAT_B8G8R8X8_UNORM = 88,
DXGI_FORMAT_R10G10B10_XR_BIAS_A2_UNORM = 89,
DXGI_FORMAT_B8G8R8A8_TYPELESS = 90,
DXGI_FORMAT_B8G8R8A8_UNORM_SRGB = 91,
DXGI_FORMAT_B8G8R8X8_TYPELESS = 92,
DXGI_FORMAT_B8G8R8X8_UNORM_SRGB = 93,
DXGI_FORMAT_BC6H_TYPELESS = 94,
DXGI_FORMAT_BC6H_UF16 = 95,
DXGI_FORMAT_BC6H_SF16 = 96,
DXGI_FORMAT_BC7_TYPELESS = 97,
DXGI_FORMAT_BC7_UNORM = 98,
DXGI_FORMAT_BC7_UNORM_SRGB = 99,
};
extern uint findD3D9Format(uint bitcount, uint rmask, uint gmask, uint bmask, uint amask);
struct NVIMAGE_CLASS DDSPixelFormat
{
uint size;
uint flags;
uint fourcc;
uint bitcount;
uint rmask;
uint gmask;
uint bmask;
uint amask;
};
struct NVIMAGE_CLASS DDSCaps
{
uint caps1;
uint caps2;
uint caps3;
uint caps4;
};
/// DDS file header for DX10.
struct NVIMAGE_CLASS DDSHeader10
{
uint dxgiFormat;
uint resourceDimension;
uint miscFlag;
uint arraySize;
uint reserved;
};
/// DDS file header.
struct NVIMAGE_CLASS DDSHeader
{
uint fourcc;
uint size;
uint flags;
uint height;
uint width;
uint pitch;
uint depth;
uint mipmapcount;
uint reserved[11];
DDSPixelFormat pf;
DDSCaps caps;
uint notused;
DDSHeader10 header10;
// Helper methods.
DDSHeader();
void setWidth(uint w);
void setHeight(uint h);
void setDepth(uint d);
void setMipmapCount(uint count);
void setTexture2D();
void setTexture3D();
void setTextureCube();
void setLinearSize(uint size);
void setPitch(uint pitch);
void setFourCC(uint8 c0, uint8 c1, uint8 c2, uint8 c3);
void setFormatCode(uint code);
void setSwizzleCode(uint8 c0, uint8 c1, uint8 c2, uint8 c3);
void setPixelFormat(uint bitcount, uint rmask, uint gmask, uint bmask, uint amask);
void setDX10Format(uint format);
void setNormalFlag(bool b);
void setSrgbFlag(bool b);
void setHasAlphaFlag(bool b);
void setUserVersion(int version);
void swapBytes();
bool hasDX10Header() const;
uint signature() const;
uint toolVersion() const;
uint userVersion() const;
bool isNormalMap() const;
bool isSrgb() const;
bool hasAlpha() const;
uint d3d9Format() const;
uint pixelSize() const; // In bits!
uint blockSize() const; // In bytes!
bool isBlockFormat() const;
};
NVIMAGE_API Stream & operator<< (Stream & s, DDSHeader & header);
/// DirectDraw Surface. (DDS)
class NVIMAGE_CLASS DirectDrawSurface
{
public:
DirectDrawSurface();
DirectDrawSurface(const char * file);
DirectDrawSurface(Stream * stream);
~DirectDrawSurface();
bool load(const char * filename);
bool load(Stream * stream);
bool isValid() const;
bool isSupported() const;
bool hasAlpha() const;
uint mipmapCount() const;
uint width() const;
uint height() const;
uint depth() const;
bool isTexture1D() const;
bool isTexture2D() const;
bool isTexture3D() const;
bool isTextureCube() const;
void setNormalFlag(bool b);
void setHasAlphaFlag(bool b);
void setUserVersion(int version);
void mipmap(Image * img, uint f, uint m);
uint surfaceWidth(uint mipmap) const;
uint surfaceHeight(uint mipmap) const;
uint surfaceDepth(uint mipmap) const;
uint surfaceSize(uint mipmap) const;
bool readSurface(uint face, uint mipmap, void * data, uint size);
void printInfo() const;
// Only initialized after loading.
DDSHeader header;
private:
uint faceSize() const;
uint offset(uint face, uint mipmap);
void readLinearImage(Image * img);
void readBlockImage(Image * img);
void readBlock(ColorBlock * rgba);
private:
Stream * stream;
};
} // nv namespace
#endif // NV_IMAGE_DIRECTDRAWSURFACE_H
// Copyright NVIDIA Corporation 2007 -- Ignacio Castano <icastano@nvidia.com>
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
#pragma once
#ifndef NV_IMAGE_DIRECTDRAWSURFACE_H
#define NV_IMAGE_DIRECTDRAWSURFACE_H
#include "nvimage.h"
#if !defined(MAKEFOURCC)
#define MAKEFOURCC(ch0, ch1, ch2, ch3) \
(uint(uint8(ch0)) | (uint(uint8(ch1)) << 8) | \
(uint(uint8(ch2)) << 16) | (uint(uint8(ch3)) << 24 ))
#endif
namespace nv
{
class Image;
class Stream;
struct ColorBlock;
extern const uint FOURCC_NVTT;
extern const uint FOURCC_DDS;
extern const uint FOURCC_DXT1;
extern const uint FOURCC_DXT2;
extern const uint FOURCC_DXT3;
extern const uint FOURCC_DXT4;
extern const uint FOURCC_DXT5;
extern const uint FOURCC_RXGB;
extern const uint FOURCC_ATI1;
extern const uint FOURCC_ATI2;
enum DDPF
{
DDPF_ALPHAPIXELS = 0x00000001U,
DDPF_ALPHA = 0x00000002U,
DDPF_FOURCC = 0x00000004U,
DDPF_RGB = 0x00000040U,
DDPF_PALETTEINDEXED1 = 0x00000800U,
DDPF_PALETTEINDEXED2 = 0x00001000U,
DDPF_PALETTEINDEXED4 = 0x00000008U,
DDPF_PALETTEINDEXED8 = 0x00000020U,
DDPF_LUMINANCE = 0x00020000U,
DDPF_ALPHAPREMULT = 0x00008000U,
// Custom NVTT flags.
DDPF_NORMAL = 0x80000000U,
DDPF_SRGB = 0x40000000U,
};
enum D3DFORMAT
{
// 32 bit RGB formats.
D3DFMT_R8G8B8 = 20,
D3DFMT_A8R8G8B8 = 21,
D3DFMT_X8R8G8B8 = 22,
D3DFMT_R5G6B5 = 23,
D3DFMT_X1R5G5B5 = 24,
D3DFMT_A1R5G5B5 = 25,
D3DFMT_A4R4G4B4 = 26,
D3DFMT_R3G3B2 = 27,
D3DFMT_A8 = 28,
D3DFMT_A8R3G3B2 = 29,
D3DFMT_X4R4G4B4 = 30,
D3DFMT_A2B10G10R10 = 31,
D3DFMT_A8B8G8R8 = 32,
D3DFMT_X8B8G8R8 = 33,
D3DFMT_G16R16 = 34,
D3DFMT_A2R10G10B10 = 35,
D3DFMT_A16B16G16R16 = 36,
// Palette formats.
D3DFMT_A8P8 = 40,
D3DFMT_P8 = 41,
// Luminance formats.
D3DFMT_L8 = 50,
D3DFMT_A8L8 = 51,
D3DFMT_A4L4 = 52,
D3DFMT_L16 = 81,
// Floating point formats
D3DFMT_R16F = 111,
D3DFMT_G16R16F = 112,
D3DFMT_A16B16G16R16F = 113,
D3DFMT_R32F = 114,
D3DFMT_G32R32F = 115,
D3DFMT_A32B32G32R32F = 116,
};
// D3D1x resource dimensions.
enum D3D10_RESOURCE_DIMENSION
{
D3D10_RESOURCE_DIMENSION_UNKNOWN = 0,
D3D10_RESOURCE_DIMENSION_BUFFER = 1,
D3D10_RESOURCE_DIMENSION_TEXTURE1D = 2,
D3D10_RESOURCE_DIMENSION_TEXTURE2D = 3,
D3D10_RESOURCE_DIMENSION_TEXTURE3D = 4,
};
// DXGI formats.
enum DXGI_FORMAT
{
DXGI_FORMAT_UNKNOWN = 0,
DXGI_FORMAT_R32G32B32A32_TYPELESS = 1,
DXGI_FORMAT_R32G32B32A32_FLOAT = 2,
DXGI_FORMAT_R32G32B32A32_UINT = 3,
DXGI_FORMAT_R32G32B32A32_SINT = 4,
DXGI_FORMAT_R32G32B32_TYPELESS = 5,
DXGI_FORMAT_R32G32B32_FLOAT = 6,
DXGI_FORMAT_R32G32B32_UINT = 7,
DXGI_FORMAT_R32G32B32_SINT = 8,
DXGI_FORMAT_R16G16B16A16_TYPELESS = 9,
DXGI_FORMAT_R16G16B16A16_FLOAT = 10,
DXGI_FORMAT_R16G16B16A16_UNORM = 11,
DXGI_FORMAT_R16G16B16A16_UINT = 12,
DXGI_FORMAT_R16G16B16A16_SNORM = 13,
DXGI_FORMAT_R16G16B16A16_SINT = 14,
DXGI_FORMAT_R32G32_TYPELESS = 15,
DXGI_FORMAT_R32G32_FLOAT = 16,
DXGI_FORMAT_R32G32_UINT = 17,
DXGI_FORMAT_R32G32_SINT = 18,
DXGI_FORMAT_R32G8X24_TYPELESS = 19,
DXGI_FORMAT_D32_FLOAT_S8X24_UINT = 20,
DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS = 21,
DXGI_FORMAT_X32_TYPELESS_G8X24_UINT = 22,
DXGI_FORMAT_R10G10B10A2_TYPELESS = 23,
DXGI_FORMAT_R10G10B10A2_UNORM = 24,
DXGI_FORMAT_R10G10B10A2_UINT = 25,
DXGI_FORMAT_R11G11B10_FLOAT = 26,
DXGI_FORMAT_R8G8B8A8_TYPELESS = 27,
DXGI_FORMAT_R8G8B8A8_UNORM = 28,
DXGI_FORMAT_R8G8B8A8_UNORM_SRGB = 29,
DXGI_FORMAT_R8G8B8A8_UINT = 30,
DXGI_FORMAT_R8G8B8A8_SNORM = 31,
DXGI_FORMAT_R8G8B8A8_SINT = 32,
DXGI_FORMAT_R16G16_TYPELESS = 33,
DXGI_FORMAT_R16G16_FLOAT = 34,
DXGI_FORMAT_R16G16_UNORM = 35,
DXGI_FORMAT_R16G16_UINT = 36,
DXGI_FORMAT_R16G16_SNORM = 37,
DXGI_FORMAT_R16G16_SINT = 38,
DXGI_FORMAT_R32_TYPELESS = 39,
DXGI_FORMAT_D32_FLOAT = 40,
DXGI_FORMAT_R32_FLOAT = 41,
DXGI_FORMAT_R32_UINT = 42,
DXGI_FORMAT_R32_SINT = 43,
DXGI_FORMAT_R24G8_TYPELESS = 44,
DXGI_FORMAT_D24_UNORM_S8_UINT = 45,
DXGI_FORMAT_R24_UNORM_X8_TYPELESS = 46,
DXGI_FORMAT_X24_TYPELESS_G8_UINT = 47,
DXGI_FORMAT_R8G8_TYPELESS = 48,
DXGI_FORMAT_R8G8_UNORM = 49,
DXGI_FORMAT_R8G8_UINT = 50,
DXGI_FORMAT_R8G8_SNORM = 51,
DXGI_FORMAT_R8G8_SINT = 52,
DXGI_FORMAT_R16_TYPELESS = 53,
DXGI_FORMAT_R16_FLOAT = 54,
DXGI_FORMAT_D16_UNORM = 55,
DXGI_FORMAT_R16_UNORM = 56,
DXGI_FORMAT_R16_UINT = 57,
DXGI_FORMAT_R16_SNORM = 58,
DXGI_FORMAT_R16_SINT = 59,
DXGI_FORMAT_R8_TYPELESS = 60,
DXGI_FORMAT_R8_UNORM = 61,
DXGI_FORMAT_R8_UINT = 62,
DXGI_FORMAT_R8_SNORM = 63,
DXGI_FORMAT_R8_SINT = 64,
DXGI_FORMAT_A8_UNORM = 65,
DXGI_FORMAT_R1_UNORM = 66,
DXGI_FORMAT_R9G9B9E5_SHAREDEXP = 67,
DXGI_FORMAT_R8G8_B8G8_UNORM = 68,
DXGI_FORMAT_G8R8_G8B8_UNORM = 69,
DXGI_FORMAT_BC1_TYPELESS = 70,
DXGI_FORMAT_BC1_UNORM = 71,
DXGI_FORMAT_BC1_UNORM_SRGB = 72,
DXGI_FORMAT_BC2_TYPELESS = 73,
DXGI_FORMAT_BC2_UNORM = 74,
DXGI_FORMAT_BC2_UNORM_SRGB = 75,
DXGI_FORMAT_BC3_TYPELESS = 76,
DXGI_FORMAT_BC3_UNORM = 77,
DXGI_FORMAT_BC3_UNORM_SRGB = 78,
DXGI_FORMAT_BC4_TYPELESS = 79,
DXGI_FORMAT_BC4_UNORM = 80,
DXGI_FORMAT_BC4_SNORM = 81,
DXGI_FORMAT_BC5_TYPELESS = 82,
DXGI_FORMAT_BC5_UNORM = 83,
DXGI_FORMAT_BC5_SNORM = 84,
DXGI_FORMAT_B5G6R5_UNORM = 85,
DXGI_FORMAT_B5G5R5A1_UNORM = 86,
DXGI_FORMAT_B8G8R8A8_UNORM = 87,
DXGI_FORMAT_B8G8R8X8_UNORM = 88,
DXGI_FORMAT_R10G10B10_XR_BIAS_A2_UNORM = 89,
DXGI_FORMAT_B8G8R8A8_TYPELESS = 90,
DXGI_FORMAT_B8G8R8A8_UNORM_SRGB = 91,
DXGI_FORMAT_B8G8R8X8_TYPELESS = 92,
DXGI_FORMAT_B8G8R8X8_UNORM_SRGB = 93,
DXGI_FORMAT_BC6H_TYPELESS = 94,
DXGI_FORMAT_BC6H_UF16 = 95,
DXGI_FORMAT_BC6H_SF16 = 96,
DXGI_FORMAT_BC7_TYPELESS = 97,
DXGI_FORMAT_BC7_UNORM = 98,
DXGI_FORMAT_BC7_UNORM_SRGB = 99,
};
extern uint findD3D9Format(uint bitcount, uint rmask, uint gmask, uint bmask, uint amask);
struct NVIMAGE_CLASS DDSPixelFormat
{
uint size;
uint flags;
uint fourcc;
uint bitcount;
uint rmask;
uint gmask;
uint bmask;
uint amask;
};
struct NVIMAGE_CLASS DDSCaps
{
uint caps1;
uint caps2;
uint caps3;
uint caps4;
};
/// DDS file header for DX10.
struct NVIMAGE_CLASS DDSHeader10
{
uint dxgiFormat;
uint resourceDimension;
uint miscFlag;
uint arraySize;
uint reserved;
};
/// DDS file header.
struct NVIMAGE_CLASS DDSHeader
{
uint fourcc;
uint size;
uint flags;
uint height;
uint width;
uint pitch;
uint depth;
uint mipmapcount;
uint reserved[11];
DDSPixelFormat pf;
DDSCaps caps;
uint notused;
DDSHeader10 header10;
// Helper methods.
DDSHeader();
void setWidth(uint w);
void setHeight(uint h);
void setDepth(uint d);
void setMipmapCount(uint count);
void setTexture2D();
void setTexture3D();
void setTextureCube();
void setLinearSize(uint size);
void setPitch(uint pitch);
void setFourCC(uint8 c0, uint8 c1, uint8 c2, uint8 c3);
void setFormatCode(uint code);
void setSwizzleCode(uint8 c0, uint8 c1, uint8 c2, uint8 c3);
void setPixelFormat(uint bitcount, uint rmask, uint gmask, uint bmask, uint amask);
void setDX10Format(uint format);
void setNormalFlag(bool b);
void setSrgbFlag(bool b);
void setHasAlphaFlag(bool b);
void setUserVersion(int version);
void swapBytes();
bool hasDX10Header() const;
uint signature() const;
uint toolVersion() const;
uint userVersion() const;
bool isNormalMap() const;
bool isSrgb() const;
bool hasAlpha() const;
uint d3d9Format() const;
uint pixelSize() const; // In bits!
uint blockSize() const; // In bytes!
bool isBlockFormat() const;
};
NVIMAGE_API Stream & operator<< (Stream & s, DDSHeader & header);
/// DirectDraw Surface. (DDS)
class NVIMAGE_CLASS DirectDrawSurface
{
public:
DirectDrawSurface();
DirectDrawSurface(const char * file);
DirectDrawSurface(Stream * stream);
~DirectDrawSurface();
bool load(const char * filename);
bool load(Stream * stream);
bool isValid() const;
bool isSupported() const;
bool hasAlpha() const;
uint mipmapCount() const;
uint width() const;
uint height() const;
uint depth() const;
bool isTexture1D() const;
bool isTexture2D() const;
bool isTexture3D() const;
bool isTextureCube() const;
void setNormalFlag(bool b);
void setHasAlphaFlag(bool b);
void setUserVersion(int version);
void mipmap(Image * img, uint f, uint m);
uint surfaceWidth(uint mipmap) const;
uint surfaceHeight(uint mipmap) const;
uint surfaceDepth(uint mipmap) const;
uint surfaceSize(uint mipmap) const;
bool readSurface(uint face, uint mipmap, void * data, uint size);
void printInfo() const;
// Only initialized after loading.
DDSHeader header;
private:
uint faceSize() const;
uint offset(uint face, uint mipmap);
void readLinearImage(Image * img);
void readBlockImage(Image * img);
void readBlock(ColorBlock * rgba);
private:
Stream * stream;
};
} // nv namespace
#endif // NV_IMAGE_DIRECTDRAWSURFACE_H

1244
src/nvimage/Filter.cpp
View File

File diff suppressed because it is too large Load Diff

468
src/nvimage/Filter.h
View File

@ -1,234 +1,234 @@
// This code is in the public domain -- castanyo@yahoo.es
#pragma once
#ifndef NV_IMAGE_FILTER_H
#define NV_IMAGE_FILTER_H
#include "nvimage.h"
#include "nvcore/Debug.h"
namespace nv
{
class Vector4;
/// Base filter class.
class NVIMAGE_CLASS Filter
{
public:
Filter(float width);
virtual ~Filter();
float width() const { return m_width; }
float sampleDelta(float x, float scale) const;
float sampleBox(float x, float scale, int samples) const;
float sampleTriangle(float x, float scale, int samples) const;
virtual float evaluate(float x) const = 0;
protected:
const float m_width;
};
// Box filter.
class NVIMAGE_CLASS BoxFilter : public Filter
{
public:
BoxFilter();
BoxFilter(float width);
virtual float evaluate(float x) const;
};
// Triangle (bilinear/tent) filter.
class NVIMAGE_CLASS TriangleFilter : public Filter
{
public:
TriangleFilter();
TriangleFilter(float width);
virtual float evaluate(float x) const;
};
// Quadratic (bell) filter.
class NVIMAGE_CLASS QuadraticFilter : public Filter
{
public:
QuadraticFilter();
virtual float evaluate(float x) const;
};
// Cubic filter from Thatcher Ulrich.
class NVIMAGE_CLASS CubicFilter : public Filter
{
public:
CubicFilter();
virtual float evaluate(float x) const;
};
// Cubic b-spline filter from Paul Heckbert.
class NVIMAGE_CLASS BSplineFilter : public Filter
{
public:
BSplineFilter();
virtual float evaluate(float x) const;
};
/// Mitchell & Netravali's two-param cubic
/// @see "Reconstruction Filters in Computer Graphics", SIGGRAPH 88
class NVIMAGE_CLASS MitchellFilter : public Filter
{
public:
MitchellFilter();
virtual float evaluate(float x) const;
void setParameters(float b, float c);
private:
float p0, p2, p3;
float q0, q1, q2, q3;
};
// Lanczos3 filter.
class NVIMAGE_CLASS LanczosFilter : public Filter
{
public:
LanczosFilter();
virtual float evaluate(float x) const;
};
// Sinc filter.
class NVIMAGE_CLASS SincFilter : public Filter
{
public:
SincFilter(float w);
virtual float evaluate(float x) const;
};
// Kaiser filter.
class NVIMAGE_CLASS KaiserFilter : public Filter
{
public:
KaiserFilter(float w);
virtual float evaluate(float x) const;
void setParameters(float a, float stretch);
private:
float alpha;
float stretch;
};
// Gaussian filter.
class GaussianFilter : public Filter
{
public:
GaussianFilter(float w);
virtual float evaluate(float x) const;
void setParameters(float variance);
private:
float variance;
};
/// A 1D kernel. Used to precompute filter weights.
class NVIMAGE_CLASS Kernel1
{
NV_FORBID_COPY(Kernel1);
public:
Kernel1(const Filter & f, int iscale, int samples = 32);
~Kernel1();
float valueAt(uint x) const {
nvDebugCheck(x < (uint)m_windowSize);
return m_data[x];
}
int windowSize() const {
return m_windowSize;
}
float width() const {
return m_width;
}
void debugPrint();
private:
int m_windowSize;
float m_width;
float * m_data;
};
/// A 2D kernel.
class NVIMAGE_CLASS Kernel2
{
public:
Kernel2(uint width);
Kernel2(uint width, const float * data);
Kernel2(const Kernel2 & k);
~Kernel2();
void normalize();
void transpose();
float valueAt(uint x, uint y) const {
return m_data[y * m_windowSize + x];
}
uint windowSize() const {
return m_windowSize;
}
void initLaplacian();
void initEdgeDetection();
void initSobel();
void initPrewitt();
void initBlendedSobel(const Vector4 & scale);
private:
const uint m_windowSize;
float * m_data;
};
/// A 1D polyphase kernel
class NVIMAGE_CLASS PolyphaseKernel
{
NV_FORBID_COPY(PolyphaseKernel);
public:
PolyphaseKernel(const Filter & f, uint srcLength, uint dstLength, int samples = 32);
~PolyphaseKernel();
int windowSize() const {
return m_windowSize;
}
uint length() const {
return m_length;
}
float width() const {
return m_width;
}
float valueAt(uint column, uint x) const {
nvDebugCheck(column < m_length);
nvDebugCheck(x < (uint)m_windowSize);
return m_data[column * m_windowSize + x];
}
void debugPrint() const;
private:
int m_windowSize;
uint m_length;
float m_width;
float * m_data;
};
} // nv namespace
#endif // NV_IMAGE_FILTER_H
// This code is in the public domain -- castanyo@yahoo.es
#pragma once
#ifndef NV_IMAGE_FILTER_H
#define NV_IMAGE_FILTER_H
#include "nvimage.h"
#include "nvcore/Debug.h"
namespace nv
{
class Vector4;
/// Base filter class.
class NVIMAGE_CLASS Filter
{
public:
Filter(float width);
virtual ~Filter();
float width() const { return m_width; }
float sampleDelta(float x, float scale) const;
float sampleBox(float x, float scale, int samples) const;
float sampleTriangle(float x, float scale, int samples) const;
virtual float evaluate(float x) const = 0;
protected:
const float m_width;
};
// Box filter.
class NVIMAGE_CLASS BoxFilter : public Filter
{
public:
BoxFilter();
BoxFilter(float width);
virtual float evaluate(float x) const;
};
// Triangle (bilinear/tent) filter.
class NVIMAGE_CLASS TriangleFilter : public Filter
{
public:
TriangleFilter();
TriangleFilter(float width);
virtual float evaluate(float x) const;
};
// Quadratic (bell) filter.
class NVIMAGE_CLASS QuadraticFilter : public Filter
{
public:
QuadraticFilter();
virtual float evaluate(float x) const;
};
// Cubic filter from Thatcher Ulrich.
class NVIMAGE_CLASS CubicFilter : public Filter
{
public:
CubicFilter();
virtual float evaluate(float x) const;
};
// Cubic b-spline filter from Paul Heckbert.
class NVIMAGE_CLASS BSplineFilter : public Filter
{
public:
BSplineFilter();
virtual float evaluate(float x) const;
};
/// Mitchell & Netravali's two-param cubic
/// @see "Reconstruction Filters in Computer Graphics", SIGGRAPH 88
class NVIMAGE_CLASS MitchellFilter : public Filter
{
public:
MitchellFilter();
virtual float evaluate(float x) const;
void setParameters(float b, float c);
private:
float p0, p2, p3;
float q0, q1, q2, q3;
};
// Lanczos3 filter.
class NVIMAGE_CLASS LanczosFilter : public Filter
{
public:
LanczosFilter();
virtual float evaluate(float x) const;
};
// Sinc filter.
class NVIMAGE_CLASS SincFilter : public Filter
{
public:
SincFilter(float w);
virtual float evaluate(float x) const;
};
// Kaiser filter.
class NVIMAGE_CLASS KaiserFilter : public Filter
{
public:
KaiserFilter(float w);
virtual float evaluate(float x) const;
void setParameters(float a, float stretch);
private:
float alpha;
float stretch;
};
// Gaussian filter.
class GaussianFilter : public Filter
{
public:
GaussianFilter(float w);
virtual float evaluate(float x) const;
void setParameters(float variance);
private:
float variance;
};
/// A 1D kernel. Used to precompute filter weights.
class NVIMAGE_CLASS Kernel1
{
NV_FORBID_COPY(Kernel1);
public:
Kernel1(const Filter & f, int iscale, int samples = 32);
~Kernel1();
float valueAt(uint x) const {
nvDebugCheck(x < (uint)m_windowSize);
return m_data[x];
}
int windowSize() const {
return m_windowSize;
}
float width() const {
return m_width;
}
void debugPrint();
private:
int m_windowSize;
float m_width;
float * m_data;
};
/// A 2D kernel.
class NVIMAGE_CLASS Kernel2
{
public:
Kernel2(uint width);
Kernel2(uint width, const float * data);
Kernel2(const Kernel2 & k);
~Kernel2();
void normalize();
void transpose();
float valueAt(uint x, uint y) const {
return m_data[y * m_windowSize + x];
}
uint windowSize() const {
return m_windowSize;
}
void initLaplacian();
void initEdgeDetection();
void initSobel();
void initPrewitt();
void initBlendedSobel(const Vector4 & scale);
private:
const uint m_windowSize;
float * m_data;
};
/// A 1D polyphase kernel
class NVIMAGE_CLASS PolyphaseKernel
{
NV_FORBID_COPY(PolyphaseKernel);
public:
PolyphaseKernel(const Filter & f, uint srcLength, uint dstLength, int samples = 32);
~PolyphaseKernel();
int windowSize() const {
return m_windowSize;
}
uint length() const {
return m_length;
}
float width() const {
return m_width;
}
float valueAt(uint column, uint x) const {
nvDebugCheck(column < m_length);
nvDebugCheck(x < (uint)m_windowSize);
return m_data[column * m_windowSize + x];
}
void debugPrint() const;
private:
int m_windowSize;
uint m_length;
float m_width;
float * m_data;
};
} // nv namespace
#endif // NV_IMAGE_FILTER_H

12
src/nvimage/FloatImage.h
View File

@ -235,7 +235,7 @@ namespace nv
nvDebugCheck(x < m_width);
nvDebugCheck(y < m_height);
nvDebugCheck(z < m_depth);
return m_mem[((c * m_depth + z) * m_height + y) * m_width + x];
return m_mem[c * m_pixelCount + index(x, y, z)];
}
/// Get pixel component.
@ -246,7 +246,7 @@ namespace nv
nvDebugCheck(x < m_width);
nvDebugCheck(y < m_height);
nvDebugCheck(z < m_depth);
return m_mem[((c * m_depth + z) * m_height + y) * m_width + x];
return m_mem[c * m_pixelCount + index(x, y, z)];
}
/// Get pixel component.
@ -255,7 +255,7 @@ namespace nv
nvDebugCheck(m_mem != NULL);
nvDebugCheck(c < m_componentCount);
nvDebugCheck(idx < m_pixelCount);
return m_mem[c * m_height * m_width + idx];
return m_mem[c * m_pixelCount + idx];
}
/// Get pixel component.
@ -264,7 +264,7 @@ namespace nv
nvDebugCheck(m_mem != NULL);
nvDebugCheck(c < m_componentCount);
nvDebugCheck(idx < m_pixelCount);
return m_mem[c * m_height * m_width + idx];
return m_mem[c * m_pixelCount + idx];
}
/// Get pixel component.
@ -288,7 +288,9 @@ namespace nv
nvDebugCheck(x < m_width);
nvDebugCheck(y < m_height);
nvDebugCheck(z < m_depth);
return (z * m_height + y) * m_width + x;
uint idx = (z * m_height + y) * m_width + x;
nvDebugCheck(idx < m_pixelCount);
return idx;
}

320
src/nvimage/Image.cpp
View File

@ -1,160 +1,160 @@
// This code is in the public domain -- castanyo@yahoo.es
#include "Image.h"
#include "ImageIO.h"
#include "nvmath/Color.h"
#include "nvcore/Debug.h"
#include "nvcore/Ptr.h"
#include "nvcore/Utils.h" // swap
using namespace nv;
Image::Image() : m_width(0), m_height(0), m_format(Format_RGB), m_data(NULL)
{
}
Image::Image(const Image & img) : m_data(NULL)
{
allocate(img.m_width, img.m_height, img.m_depth);
m_format = img.m_format;
memcpy(m_data, img.m_data, sizeof(Color32) * m_width * m_height * m_depth);
}
Image::~Image()
{
free();
}
const Image & Image::operator=(const Image & img)
{
allocate(img.m_width, img.m_height, m_depth);
m_format = img.m_format;
memcpy(m_data, img.m_data, sizeof(Color32) * m_width * m_height * m_depth);
return *this;
}
void Image::allocate(uint w, uint h, uint d)
{
free();
m_width = w;
m_height = h;
m_depth = d;
m_data = realloc<Color32>(m_data, w * h * d);
}
bool Image::load(const char * name)
{
free();
AutoPtr<Image> img(ImageIO::load(name));
if (img == NULL) {
return false;
}
swap(m_width, img->m_width);
swap(m_height, img->m_height);
swap(m_depth, img->m_depth);
swap(m_format, img->m_format);
swap(m_data, img->m_data);
return true;
}
void Image::wrap(void * data, uint w, uint h, uint d)
{
free();
m_data = (Color32 *)data;
m_width = w;
m_height = h;
m_depth = d;
}
void Image::unwrap()
{
m_data = NULL;
m_width = 0;
m_height = 0;
m_depth = 0;
}
void Image::free()
{
::free(m_data);
m_data = NULL;
}
uint Image::width() const
{
return m_width;
}
uint Image::height() const
{
return m_height;
}
uint Image::depth() const
{
return m_depth;
}
const Color32 * Image::scanline(uint h) const
{
nvDebugCheck(h < m_height);
return m_data + h * m_width;
}
Color32 * Image::scanline(uint h)
{
nvDebugCheck(h < m_height);
return m_data + h * m_width;
}
const Color32 * Image::pixels() const
{
return m_data;
}
Color32 * Image::pixels()
{
return m_data;
}
const Color32 & Image::pixel(uint idx) const
{
nvDebugCheck(idx < m_width * m_height * m_depth);
return m_data[idx];
}
Color32 & Image::pixel(uint idx)
{
nvDebugCheck(idx < m_width * m_height * m_depth);
return m_data[idx];
}
Image::Format Image::format() const
{
return m_format;
}
void Image::setFormat(Image::Format f)
{
m_format = f;
}
void Image::fill(Color32 c)
{
const uint size = m_width * m_height * m_depth;
for (uint i = 0; i < size; ++i)
{
m_data[i] = c;
}
}
// This code is in the public domain -- castanyo@yahoo.es
#include "Image.h"
#include "ImageIO.h"
#include "nvmath/Color.h"
#include "nvcore/Debug.h"
#include "nvcore/Ptr.h"
#include "nvcore/Utils.h" // swap
using namespace nv;
Image::Image() : m_width(0), m_height(0), m_format(Format_RGB), m_data(NULL)
{
}
Image::Image(const Image & img) : m_data(NULL)
{
allocate(img.m_width, img.m_height, img.m_depth);
m_format = img.m_format;
memcpy(m_data, img.m_data, sizeof(Color32) * m_width * m_height * m_depth);
}
Image::~Image()
{
free();
}
const Image & Image::operator=(const Image & img)
{
allocate(img.m_width, img.m_height, m_depth);
m_format = img.m_format;
memcpy(m_data, img.m_data, sizeof(Color32) * m_width * m_height * m_depth);
return *this;
}
void Image::allocate(uint w, uint h, uint d)
{
free();
m_width = w;
m_height = h;
m_depth = d;
m_data = realloc<Color32>(m_data, w * h * d);
}
bool Image::load(const char * name)
{
free();
AutoPtr<Image> img(ImageIO::load(name));
if (img == NULL) {
return false;
}
swap(m_width, img->m_width);
swap(m_height, img->m_height);
swap(m_depth, img->m_depth);
swap(m_format, img->m_format);
swap(m_data, img->m_data);
return true;
}
void Image::wrap(void * data, uint w, uint h, uint d)
{
free();
m_data = (Color32 *)data;
m_width = w;
m_height = h;
m_depth = d;
}
void Image::unwrap()
{
m_data = NULL;
m_width = 0;
m_height = 0;
m_depth = 0;
}
void Image::free()
{
::free(m_data);
m_data = NULL;
}
uint Image::width() const
{
return m_width;
}
uint Image::height() const
{
return m_height;
}
uint Image::depth() const
{
return m_depth;
}
const Color32 * Image::scanline(uint h) const
{
nvDebugCheck(h < m_height);
return m_data + h * m_width;
}
Color32 * Image::scanline(uint h)
{
nvDebugCheck(h < m_height);
return m_data + h * m_width;
}
const Color32 * Image::pixels() const
{
return m_data;
}
Color32 * Image::pixels()
{
return m_data;
}
const Color32 & Image::pixel(uint idx) const
{
nvDebugCheck(idx < m_width * m_height * m_depth);
return m_data[idx];
}
Color32 & Image::pixel(uint idx)
{
nvDebugCheck(idx < m_width * m_height * m_depth);
return m_data[idx];
}
Image::Format Image::format() const
{
return m_format;
}
void Image::setFormat(Image::Format f)
{
m_format = f;
}
void Image::fill(Color32 c)
{
const uint size = m_width * m_height * m_depth;
for (uint i = 0; i < size; ++i)
{
m_data[i] = c;
}
}

172
src/nvimage/Image.h
View File

@ -1,86 +1,86 @@
// This code is in the public domain -- castanyo@yahoo.es
#pragma once
#ifndef NV_IMAGE_IMAGE_H
#define NV_IMAGE_IMAGE_H
#include "nvimage.h"
#include "nvcore/Debug.h"
namespace nv
{
class Color32;
/// 32 bit RGBA image.
class NVIMAGE_CLASS Image
{
public:
enum Format
{
Format_RGB,
Format_ARGB,
};
Image();
Image(const Image & img);
~Image();
const Image & operator=(const Image & img);
void allocate(uint w, uint h, uint d = 1);
bool load(const char * name);
void wrap(void * data, uint w, uint h, uint d = 1);
void unwrap();
uint width() const;
uint height() const;
uint depth() const;
const Color32 * scanline(uint h) const;
Color32 * scanline(uint h);
const Color32 * pixels() const;
Color32 * pixels();
const Color32 & pixel(uint idx) const;
Color32 & pixel(uint idx);
const Color32 & pixel(uint x, uint y) const;
Color32 & pixel(uint x, uint y);
Format format() const;
void setFormat(Format f);
void fill(Color32 c);
private:
void free();
private:
uint m_width;
uint m_height;
uint m_depth;
Format m_format;
Color32 * m_data;
};
inline const Color32 & Image::pixel(uint x, uint y) const
{
nvDebugCheck(x < m_width && y < m_height);
return pixel(y * m_width + x);
}
inline Color32 & Image::pixel(uint x, uint y)
{
nvDebugCheck(x < m_width && y < m_height);
return pixel(y * m_width + x);
}
} // nv namespace
#endif // NV_IMAGE_IMAGE_H
// This code is in the public domain -- castanyo@yahoo.es
#pragma once
#ifndef NV_IMAGE_IMAGE_H
#define NV_IMAGE_IMAGE_H
#include "nvimage.h"
#include "nvcore/Debug.h"
namespace nv
{
class Color32;
/// 32 bit RGBA image.
class NVIMAGE_CLASS Image
{
public:
enum Format
{
Format_RGB,
Format_ARGB,
};
Image();
Image(const Image & img);
~Image();
const Image & operator=(const Image & img);
void allocate(uint w, uint h, uint d = 1);
bool load(const char * name);
void wrap(void * data, uint w, uint h, uint d = 1);
void unwrap();
uint width() const;
uint height() const;
uint depth() const;
const Color32 * scanline(uint h) const;
Color32 * scanline(uint h);
const Color32 * pixels() const;
Color32 * pixels();
const Color32 & pixel(uint idx) const;
Color32 & pixel(uint idx);
const Color32 & pixel(uint x, uint y) const;
Color32 & pixel(uint x, uint y);
Format format() const;
void setFormat(Format f);
void fill(Color32 c);
private:
void free();
private:
uint m_width;
uint m_height;
uint m_depth;
Format m_format;
Color32 * m_data;
};
inline const Color32 & Image::pixel(uint x, uint y) const
{
nvDebugCheck(x < m_width && y < m_height);
return pixel(y * m_width + x);
}
inline Color32 & Image::pixel(uint x, uint y)
{
nvDebugCheck(x < m_width && y < m_height);
return pixel(y * m_width + x);
}
} // nv namespace
#endif // NV_IMAGE_IMAGE_H

3886
src/nvimage/ImageIO.cpp
View File

File diff suppressed because it is too large Load Diff

74
src/nvimage/ImageIO.h
View File

@ -1,37 +1,37 @@
// This code is in the public domain -- castanyo@yahoo.es
#pragma once
#ifndef NV_IMAGE_IMAGEIO_H
#define NV_IMAGE_IMAGEIO_H
#include "nvimage.h"
#include "nvcore/StrLib.h"
namespace nv
{
class Image;
class FloatImage;
class Stream;
namespace ImageIO
{
NVIMAGE_API Image * load(const char * fileName);
NVIMAGE_API Image * load(const char * fileName, Stream & s);
NVIMAGE_API FloatImage * loadFloat(const char * fileName);
NVIMAGE_API FloatImage * loadFloat(const char * fileName, Stream & s);
NVIMAGE_API bool save(const char * fileName, const Image * img, const char ** tags=NULL); // NULL terminated list.
NVIMAGE_API bool save(const char * fileName, Stream & s, const Image * img, const char ** tags=NULL);
NVIMAGE_API bool saveFloat(const char * fileName, const FloatImage * fimage, uint baseComponent, uint componentCount);
NVIMAGE_API bool saveFloat(const char * fileName, Stream & s, const FloatImage * fimage, uint baseComponent, uint componentCount);
} // ImageIO namespace
} // nv namespace
#endif // NV_IMAGE_IMAGEIO_H
// This code is in the public domain -- castanyo@yahoo.es
#pragma once
#ifndef NV_IMAGE_IMAGEIO_H
#define NV_IMAGE_IMAGEIO_H
#include "nvimage.h"
#include "nvcore/StrLib.h"
namespace nv
{
class Image;
class FloatImage;
class Stream;
namespace ImageIO
{
NVIMAGE_API Image * load(const char * fileName);
NVIMAGE_API Image * load(const char * fileName, Stream & s);
NVIMAGE_API FloatImage * loadFloat(const char * fileName);
NVIMAGE_API FloatImage * loadFloat(const char * fileName, Stream & s);
NVIMAGE_API bool save(const char * fileName, const Image * img, const char ** tags=NULL); // NULL terminated list.
NVIMAGE_API bool save(const char * fileName, Stream & s, const Image * img, const char ** tags=NULL);
NVIMAGE_API bool saveFloat(const char * fileName, const FloatImage * fimage, uint baseComponent, uint componentCount);
NVIMAGE_API bool saveFloat(const char * fileName, Stream & s, const FloatImage * fimage, uint baseComponent, uint componentCount);
} // ImageIO namespace
} // nv namespace
#endif // NV_IMAGE_IMAGEIO_H

1
src/nvimage/NormalMap.cpp
View File

@ -27,6 +27,7 @@
#include "Image.h"
#include "nvmath/Color.inl"
#include "nvmath/Vector.h"
#include "nvcore/Ptr.h"

118
src/nvimage/NormalMap.h
View File

@ -1,59 +1,59 @@
// Copyright NVIDIA Corporation 2007 -- Ignacio Castano <icastano@nvidia.com>
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
#pragma once
#ifndef NV_IMAGE_NORMALMAP_H
#define NV_IMAGE_NORMALMAP_H
#include "nvimage.h"
#include "FloatImage.h"
#include "nvmath/Vector.h"
namespace nv
{
class Image;
enum NormalMapFilter
{
NormalMapFilter_Sobel3x3, // fine detail
NormalMapFilter_Sobel5x5, // medium detail
NormalMapFilter_Sobel7x7, // large detail
NormalMapFilter_Sobel9x9, // very large
};
// @@ These two functions should be deprecated:
FloatImage * createNormalMap(const Image * img, FloatImage::WrapMode wm, Vector4::Arg heightWeights, NormalMapFilter filter = NormalMapFilter_Sobel3x3);
FloatImage * createNormalMap(const Image * img, FloatImage::WrapMode wm, Vector4::Arg heightWeights, Vector4::Arg filterWeights);
FloatImage * createNormalMap(const FloatImage * img, FloatImage::WrapMode wm, Vector4::Arg filterWeights);
void normalizeNormalMap(FloatImage * img);
// @@ Add generation of DU/DV maps.
} // nv namespace
#endif // NV_IMAGE_NORMALMAP_H
// Copyright NVIDIA Corporation 2007 -- Ignacio Castano <icastano@nvidia.com>
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
#pragma once
#ifndef NV_IMAGE_NORMALMAP_H
#define NV_IMAGE_NORMALMAP_H
#include "nvimage.h"
#include "FloatImage.h"
#include "nvmath/Vector.h"
namespace nv
{
class Image;
enum NormalMapFilter
{
NormalMapFilter_Sobel3x3, // fine detail
NormalMapFilter_Sobel5x5, // medium detail
NormalMapFilter_Sobel7x7, // large detail
NormalMapFilter_Sobel9x9, // very large
};
// @@ These two functions should be deprecated:
FloatImage * createNormalMap(const Image * img, FloatImage::WrapMode wm, Vector4::Arg heightWeights, NormalMapFilter filter = NormalMapFilter_Sobel3x3);
FloatImage * createNormalMap(const Image * img, FloatImage::WrapMode wm, Vector4::Arg heightWeights, Vector4::Arg filterWeights);
FloatImage * createNormalMap(const FloatImage * img, FloatImage::WrapMode wm, Vector4::Arg filterWeights);
void normalizeNormalMap(FloatImage * img);
// @@ Add generation of DU/DV maps.
} // nv namespace
#endif // NV_IMAGE_NORMALMAP_H

236
src/nvimage/PixelFormat.h
View File

@ -1,118 +1,118 @@
// Copyright NVIDIA Corporation 2007 -- Ignacio Castano <icastano@nvidia.com>
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
#pragma once
#ifndef NV_IMAGE_PIXELFORMAT_H
#define NV_IMAGE_PIXELFORMAT_H
#include "nvimage.h"
namespace nv
{
namespace PixelFormat
{
// Convert component @a c having @a inbits to the returned value having @a outbits.
inline uint convert(uint c, uint inbits, uint outbits)
{
if (inbits == 0)
{
return 0;
}
else if (inbits >= outbits)
{
// truncate
return c >> (inbits - outbits);
}
else
{
// bitexpand
return (c << (outbits - inbits)) | convert(c, inbits, outbits - inbits);
}
}
// Get pixel component shift and size given its mask.
inline void maskShiftAndSize(uint mask, uint * shift, uint * size)
{
if (!mask)
{
*shift = 0;
*size = 0;
return;
}
*shift = 0;
while((mask & 1) == 0) {
++(*shift);
mask >>= 1;
}
*size = 0;
while((mask & 1) == 1) {
++(*size);
mask >>= 1;
}
}
inline float quantizeCeil(float f, int inbits, int outbits)
{
nvDebugCheck(f >= 0.0f && f <= 1.0f);
//uint i = f * (float(1 << inbits) - 1);
//i = convert(i, inbits, outbits);
//float result = float(i) / (float(1 << outbits) - 1);
//nvCheck(result >= f);
float result;
int offset = 0;
do {
uint i = offset + uint(f * (float(1 << inbits) - 1));
i = convert(i, inbits, outbits);
result = float(i) / (float(1 << outbits) - 1);
offset++;
} while (result < f);
return result;
}
/*
inline float quantizeRound(float f, int bits)
{
nvDebugCheck(f >= 0.0f && f <= 1.0f);
float scale = float(1 << bits);
return fround(f * scale) / scale;
}
inline float quantizeFloor(float f, int bits)
{
nvDebugCheck(f >= 0.0f && f <= 1.0f);
float scale = float(1 << bits);
return floor(f * scale) / scale;
}
*/
} // PixelFormat namespace
} // nv namespace
#endif // NV_IMAGE_PIXELFORMAT_H
// Copyright NVIDIA Corporation 2007 -- Ignacio Castano <icastano@nvidia.com>
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
#pragma once
#ifndef NV_IMAGE_PIXELFORMAT_H
#define NV_IMAGE_PIXELFORMAT_H
#include "nvimage.h"
namespace nv
{
namespace PixelFormat
{
// Convert component @a c having @a inbits to the returned value having @a outbits.
inline uint convert(uint c, uint inbits, uint outbits)
{
if (inbits == 0)
{
return 0;
}
else if (inbits >= outbits)
{
// truncate
return c >> (inbits - outbits);
}
else
{
// bitexpand
return (c << (outbits - inbits)) | convert(c, inbits, outbits - inbits);
}
}
// Get pixel component shift and size given its mask.
inline void maskShiftAndSize(uint mask, uint * shift, uint * size)
{
if (!mask)
{
*shift = 0;
*size = 0;
return;
}
*shift = 0;
while((mask & 1) == 0) {
++(*shift);
mask >>= 1;
}
*size = 0;
while((mask & 1) == 1) {
++(*size);
mask >>= 1;
}
}
inline float quantizeCeil(float f, int inbits, int outbits)
{
nvDebugCheck(f >= 0.0f && f <= 1.0f);
//uint i = f * (float(1 << inbits) - 1);
//i = convert(i, inbits, outbits);
//float result = float(i) / (float(1 << outbits) - 1);
//nvCheck(result >= f);
float result;
int offset = 0;
do {
uint i = offset + uint(f * (float(1 << inbits) - 1));
i = convert(i, inbits, outbits);
result = float(i) / (float(1 << outbits) - 1);
offset++;
} while (result < f);
return result;
}
/*
inline float quantizeRound(float f, int bits)
{
nvDebugCheck(f >= 0.0f && f <= 1.0f);
float scale = float(1 << bits);
return fround(f * scale) / scale;
}
inline float quantizeFloor(float f, int bits)
{
nvDebugCheck(f >= 0.0f && f <= 1.0f);
float scale = float(1 << bits);
return floor(f * scale) / scale;
}
*/
} // PixelFormat namespace
} // nv namespace
#endif // NV_IMAGE_PIXELFORMAT_H

142
src/nvimage/PsdFile.h
View File

@ -1,71 +1,71 @@
// This code is in the public domain -- castanyo@yahoo.es
#pragma once
#ifndef NV_IMAGE_PSDFILE_H
#define NV_IMAGE_PSDFILE_H
#include "nvcore/Stream.h"
namespace nv
{
enum PsdColorMode
{
PsdColorMode_Bitmap = 0,
PsdColorMode_GrayScale = 1,
PsdColorMode_Indexed = 2,
PsdColorMode_RGB = 3,
PsdColorMode_CMYK = 4,
PsdColorMode_MultiChannel = 7,
PsdColorMode_DuoTone = 8,
PsdColorMode_LabColor = 9
};
/// PSD header.
struct PsdHeader
{
uint32 signature;
uint16 version;
uint8 reserved[6];
uint16 channel_count;
uint32 height;
uint32 width;
uint16 depth;
uint16 color_mode;
bool isValid() const
{
return signature == 0x38425053; // '8BPS'
}
bool isSupported() const
{
if (version != 1) {
nvDebug("*** bad version number %u\n", version);
return false;
}
if (channel_count > 4) {
return false;
}
if (depth != 8) { // @@ Add support for 16 bit depths.
return false;
}
if (color_mode != PsdColorMode_RGB) {
return false;
}
return true;
}
};
inline Stream & operator<< (Stream & s, PsdHeader & head)
{
s << head.signature << head.version;
for (int i = 0; i < 6; i++) {
s << head.reserved[i];
}
return s << head.channel_count << head.height << head.width << head.depth << head.color_mode;
}
} // nv namespace
#endif // NV_IMAGE_PSDFILE_H
// This code is in the public domain -- castanyo@yahoo.es
#pragma once
#ifndef NV_IMAGE_PSDFILE_H
#define NV_IMAGE_PSDFILE_H
#include "nvcore/Stream.h"
namespace nv
{
enum PsdColorMode
{
PsdColorMode_Bitmap = 0,
PsdColorMode_GrayScale = 1,
PsdColorMode_Indexed = 2,
PsdColorMode_RGB = 3,
PsdColorMode_CMYK = 4,
PsdColorMode_MultiChannel = 7,
PsdColorMode_DuoTone = 8,
PsdColorMode_LabColor = 9
};
/// PSD header.
struct PsdHeader
{
uint32 signature;
uint16 version;
uint8 reserved[6];
uint16 channel_count;
uint32 height;
uint32 width;
uint16 depth;
uint16 color_mode;
bool isValid() const
{
return signature == 0x38425053; // '8BPS'
}
bool isSupported() const
{
if (version != 1) {
nvDebug("*** bad version number %u\n", version);
return false;
}
if (channel_count > 4) {
return false;
}
if (depth != 8) { // @@ Add support for 16 bit depths.
return false;
}
if (color_mode != PsdColorMode_RGB) {
return false;
}
return true;
}
};
inline Stream & operator<< (Stream & s, PsdHeader & head)
{
s << head.signature << head.version;
for (int i = 0; i < 6; i++) {
s << head.reserved[i];
}
return s << head.channel_count << head.height << head.width << head.depth << head.color_mode;
}
} // nv namespace
#endif // NV_IMAGE_PSDFILE_H

444
src/nvimage/Quantize.cpp
View File

@ -1,222 +1,222 @@
// This code is in the public domain -- castanyo@yahoo.es
/*
http://www.visgraf.impa.br/Courses/ip00/proj/Dithering1/floyd_steinberg_dithering.html
http://www.gamedev.net/reference/articles/article341.asp
@@ Look at LPS: http://www.cs.rit.edu/~pga/pics2000/i.html
This is a really nice guide to dithering algorithms:
http://www.efg2.com/Lab/Library/ImageProcessing/DHALF.TXT
@@ This code needs to be reviewed, I'm not sure it's correct.
*/
#include "Quantize.h"
#include "Image.h"
#include "PixelFormat.h"
#include "nvmath/Color.h"
#include "nvmath/Vector.inl"
#include "nvcore/Utils.h" // swap
#include <string.h> // memset
using namespace nv;
// Simple quantization.
void nv::Quantize::BinaryAlpha( Image * image, int alpha_threshold /*= 127*/ )
{
nvCheck(image != NULL);
const uint w = image->width();
const uint h = image->height();
for(uint y = 0; y < h; y++) {
for(uint x = 0; x < w; x++) {
Color32 pixel = image->pixel(x, y);
// Convert color.
if( pixel.a > alpha_threshold ) pixel.a = 255;
else pixel.a = 0;
// Store color.
image->pixel(x, y) = pixel;
}
}
}
// Simple quantization.
void nv::Quantize::RGB16( Image * image )
{
Truncate(image, 5, 6, 5, 8);
}
// Alpha quantization.
void nv::Quantize::Alpha4( Image * image )
{
Truncate(image, 8, 8, 8, 4);
}
// Error diffusion. Floyd Steinberg.
void nv::Quantize::FloydSteinberg_RGB16( Image * image )
{
FloydSteinberg(image, 5, 6, 5, 8);
}
// Error diffusion. Floyd Steinberg.
void nv::Quantize::FloydSteinberg_BinaryAlpha( Image * image, int alpha_threshold /*= 127*/ )
{
nvCheck(image != NULL);
const uint w = image->width();
const uint h = image->height();
// @@ Use fixed point?
float * row0 = new float[(w+2)];
float * row1 = new float[(w+2)];
memset(row0, 0, sizeof(float)*(w+2));
memset(row1, 0, sizeof(float)*(w+2));
for(uint y = 0; y < h; y++) {
for(uint x = 0; x < w; x++) {
Color32 pixel = image->pixel(x, y);
// Add error.
int alpha = int(pixel.a) + int(row0[1+x]);
// Convert color.
if( alpha > alpha_threshold ) pixel.a = 255;
else pixel.a = 0;
// Store color.
image->pixel(x, y) = pixel;
// Compute new error.
float diff = float(alpha - pixel.a);
// Propagate new error.
row0[1+x+1] += 7.0f / 16.0f * diff;
row1[1+x-1] += 3.0f / 16.0f * diff;
row1[1+x+0] += 5.0f / 16.0f * diff;
row1[1+x+1] += 1.0f / 16.0f * diff;
}
swap(row0, row1);
memset(row1, 0, sizeof(float)*(w+2));
}
delete [] row0;
delete [] row1;
}
// Error diffusion. Floyd Steinberg.
void nv::Quantize::FloydSteinberg_Alpha4( Image * image )
{
FloydSteinberg(image, 8, 8, 8, 4);
}
void nv::Quantize::Truncate(Image * image, uint rsize, uint gsize, uint bsize, uint asize)
{
nvCheck(image != NULL);
const uint w = image->width();
const uint h = image->height();
for(uint y = 0; y < h; y++) {
for(uint x = 0; x < w; x++) {
Color32 pixel = image->pixel(x, y);
// Convert to our desired size, and reconstruct.
pixel.r = PixelFormat::convert(pixel.r, 8, rsize);
pixel.r = PixelFormat::convert(pixel.r, rsize, 8);
pixel.g = PixelFormat::convert(pixel.g, 8, gsize);
pixel.g = PixelFormat::convert(pixel.g, gsize, 8);
pixel.b = PixelFormat::convert(pixel.b, 8, bsize);
pixel.b = PixelFormat::convert(pixel.b, bsize, 8);
pixel.a = PixelFormat::convert(pixel.a, 8, asize);
pixel.a = PixelFormat::convert(pixel.a, asize, 8);
// Store color.
image->pixel(x, y) = pixel;
}
}
}
// Error diffusion. Floyd Steinberg.
void nv::Quantize::FloydSteinberg(Image * image, uint rsize, uint gsize, uint bsize, uint asize)
{
nvCheck(image != NULL);
const uint w = image->width();
const uint h = image->height();
Vector4 * row0 = new Vector4[w+2];
Vector4 * row1 = new Vector4[w+2];
memset(row0, 0, sizeof(Vector4)*(w+2));
memset(row1, 0, sizeof(Vector4)*(w+2));
for (uint y = 0; y < h; y++) {
for (uint x = 0; x < w; x++) {
Color32 pixel = image->pixel(x, y);
// Add error.
pixel.r = clamp(int(pixel.r) + int(row0[1+x].x), 0, 255);
pixel.g = clamp(int(pixel.g) + int(row0[1+x].y), 0, 255);
pixel.b = clamp(int(pixel.b) + int(row0[1+x].z), 0, 255);
pixel.a = clamp(int(pixel.a) + int(row0[1+x].w), 0, 255);
int r = pixel.r;
int g = pixel.g;
int b = pixel.b;
int a = pixel.a;
// Convert to our desired size, and reconstruct.
r = PixelFormat::convert(r, 8, rsize);
r = PixelFormat::convert(r, rsize, 8);
g = PixelFormat::convert(g, 8, gsize);
g = PixelFormat::convert(g, gsize, 8);
b = PixelFormat::convert(b, 8, bsize);
b = PixelFormat::convert(b, bsize, 8);
a = PixelFormat::convert(a, 8, asize);
a = PixelFormat::convert(a, asize, 8);
// Store color.
image->pixel(x, y) = Color32(r, g, b, a);
// Compute new error.
Vector4 diff(float(int(pixel.r) - r), float(int(pixel.g) - g), float(int(pixel.b) - b), float(int(pixel.a) - a));
// Propagate new error.
row0[1+x+1] += 7.0f / 16.0f * diff;
row1[1+x-1] += 3.0f / 16.0f * diff;
row1[1+x+0] += 5.0f / 16.0f * diff;
row1[1+x+1] += 1.0f / 16.0f * diff;
}
swap(row0, row1);
memset(row1, 0, sizeof(Vector4)*(w+2));
}
delete [] row0;
delete [] row1;
}
// This code is in the public domain -- castanyo@yahoo.es
/*
http://www.visgraf.impa.br/Courses/ip00/proj/Dithering1/floyd_steinberg_dithering.html
http://www.gamedev.net/reference/articles/article341.asp
@@ Look at LPS: http://www.cs.rit.edu/~pga/pics2000/i.html
This is a really nice guide to dithering algorithms:
http://www.efg2.com/Lab/Library/ImageProcessing/DHALF.TXT
@@ This code needs to be reviewed, I'm not sure it's correct.
*/
#include "Quantize.h"
#include "Image.h"
#include "PixelFormat.h"
#include "nvmath/Color.h"
#include "nvmath/Vector.inl"
#include "nvcore/Utils.h" // swap
#include <string.h> // memset
using namespace nv;
// Simple quantization.
void nv::Quantize::BinaryAlpha( Image * image, int alpha_threshold /*= 127*/ )
{
nvCheck(image != NULL);
const uint w = image->width();
const uint h = image->height();
for(uint y = 0; y < h; y++) {
for(uint x = 0; x < w; x++) {
Color32 pixel = image->pixel(x, y);
// Convert color.
if( pixel.a > alpha_threshold ) pixel.a = 255;
else pixel.a = 0;
// Store color.
image->pixel(x, y) = pixel;
}
}
}
// Simple quantization.
void nv::Quantize::RGB16( Image * image )
{
Truncate(image, 5, 6, 5, 8);
}
// Alpha quantization.
void nv::Quantize::Alpha4( Image * image )
{
Truncate(image, 8, 8, 8, 4);
}
// Error diffusion. Floyd Steinberg.
void nv::Quantize::FloydSteinberg_RGB16( Image * image )
{
FloydSteinberg(image, 5, 6, 5, 8);
}
// Error diffusion. Floyd Steinberg.
void nv::Quantize::FloydSteinberg_BinaryAlpha( Image * image, int alpha_threshold /*= 127*/ )
{
nvCheck(image != NULL);
const uint w = image->width();
const uint h = image->height();
// @@ Use fixed point?
float * row0 = new float[(w+2)];
float * row1 = new float[(w+2)];
memset(row0, 0, sizeof(float)*(w+2));
memset(row1, 0, sizeof(float)*(w+2));
for(uint y = 0; y < h; y++) {
for(uint x = 0; x < w; x++) {
Color32 pixel = image->pixel(x, y);
// Add error.
int alpha = int(pixel.a) + int(row0[1+x]);
// Convert color.
if( alpha > alpha_threshold ) pixel.a = 255;
else pixel.a = 0;
// Store color.
image->pixel(x, y) = pixel;
// Compute new error.
float diff = float(alpha - pixel.a);
// Propagate new error.
row0[1+x+1] += 7.0f / 16.0f * diff;
row1[1+x-1] += 3.0f / 16.0f * diff;
row1[1+x+0] += 5.0f / 16.0f * diff;
row1[1+x+1] += 1.0f / 16.0f * diff;
}
swap(row0, row1);
memset(row1, 0, sizeof(float)*(w+2));
}
delete [] row0;
delete [] row1;
}
// Error diffusion. Floyd Steinberg.
void nv::Quantize::FloydSteinberg_Alpha4( Image * image )
{
FloydSteinberg(image, 8, 8, 8, 4);
}
void nv::Quantize::Truncate(Image * image, uint rsize, uint gsize, uint bsize, uint asize)
{
nvCheck(image != NULL);
const uint w = image->width();
const uint h = image->height();
for(uint y = 0; y < h; y++) {
for(uint x = 0; x < w; x++) {
Color32 pixel = image->pixel(x, y);
// Convert to our desired size, and reconstruct.
pixel.r = PixelFormat::convert(pixel.r, 8, rsize);
pixel.r = PixelFormat::convert(pixel.r, rsize, 8);
pixel.g = PixelFormat::convert(pixel.g, 8, gsize);
pixel.g = PixelFormat::convert(pixel.g, gsize, 8);
pixel.b = PixelFormat::convert(pixel.b, 8, bsize);
pixel.b = PixelFormat::convert(pixel.b, bsize, 8);
pixel.a = PixelFormat::convert(pixel.a, 8, asize);
pixel.a = PixelFormat::convert(pixel.a, asize, 8);
// Store color.
image->pixel(x, y) = pixel;
}
}
}
// Error diffusion. Floyd Steinberg.
void nv::Quantize::FloydSteinberg(Image * image, uint rsize, uint gsize, uint bsize, uint asize)
{
nvCheck(image != NULL);
const uint w = image->width();
const uint h = image->height();
Vector4 * row0 = new Vector4[w+2];
Vector4 * row1 = new Vector4[w+2];
memset(row0, 0, sizeof(Vector4)*(w+2));
memset(row1, 0, sizeof(Vector4)*(w+2));
for (uint y = 0; y < h; y++) {
for (uint x = 0; x < w; x++) {
Color32 pixel = image->pixel(x, y);
// Add error.
pixel.r = clamp(int(pixel.r) + int(row0[1+x].x), 0, 255);
pixel.g = clamp(int(pixel.g) + int(row0[1+x].y), 0, 255);
pixel.b = clamp(int(pixel.b) + int(row0[1+x].z), 0, 255);
pixel.a = clamp(int(pixel.a) + int(row0[1+x].w), 0, 255);
int r = pixel.r;
int g = pixel.g;
int b = pixel.b;
int a = pixel.a;
// Convert to our desired size, and reconstruct.
r = PixelFormat::convert(r, 8, rsize);
r = PixelFormat::convert(r, rsize, 8);
g = PixelFormat::convert(g, 8, gsize);
g = PixelFormat::convert(g, gsize, 8);
b = PixelFormat::convert(b, 8, bsize);
b = PixelFormat::convert(b, bsize, 8);
a = PixelFormat::convert(a, 8, asize);
a = PixelFormat::convert(a, asize, 8);
// Store color.
image->pixel(x, y) = Color32(r, g, b, a);
// Compute new error.
Vector4 diff(float(int(pixel.r) - r), float(int(pixel.g) - g), float(int(pixel.b) - b), float(int(pixel.a) - a));
// Propagate new error.
row0[1+x+1] += 7.0f / 16.0f * diff;
row1[1+x-1] += 3.0f / 16.0f * diff;
row1[1+x+0] += 5.0f / 16.0f * diff;
row1[1+x+1] += 1.0f / 16.0f * diff;
}
swap(row0, row1);
memset(row1, 0, sizeof(Vector4)*(w+2));
}
delete [] row0;
delete [] row1;
}

64
src/nvimage/Quantize.h
View File

@ -1,32 +1,32 @@
// This code is in the public domain -- castanyo@yahoo.es
#pragma once
#ifndef NV_IMAGE_QUANTIZE_H
#define NV_IMAGE_QUANTIZE_H
#include "nvimage.h"
namespace nv
{
class Image;
namespace Quantize
{
void RGB16(Image * img);
void BinaryAlpha(Image * img, int alpha_threshold = 127);
void Alpha4(Image * img);
void FloydSteinberg_RGB16(Image * img);
void FloydSteinberg_BinaryAlpha(Image * img, int alpha_threshold = 127);
void FloydSteinberg_Alpha4(Image * img);
void Truncate(Image * image, uint rsize, uint gsize, uint bsize, uint asize);
void FloydSteinberg(Image * image, uint rsize, uint gsize, uint bsize, uint asize);
// @@ Add palette quantization algorithms!
}
}
#endif // NV_IMAGE_QUANTIZE_H
// This code is in the public domain -- castanyo@yahoo.es
#pragma once
#ifndef NV_IMAGE_QUANTIZE_H
#define NV_IMAGE_QUANTIZE_H
#include "nvimage.h"
namespace nv
{
class Image;
namespace Quantize
{
void RGB16(Image * img);
void BinaryAlpha(Image * img, int alpha_threshold = 127);
void Alpha4(Image * img);
void FloydSteinberg_RGB16(Image * img);
void FloydSteinberg_BinaryAlpha(Image * img, int alpha_threshold = 127);
void FloydSteinberg_Alpha4(Image * img);
void Truncate(Image * image, uint rsize, uint gsize, uint bsize, uint asize);
void FloydSteinberg(Image * image, uint rsize, uint gsize, uint bsize, uint asize);
// @@ Add palette quantization algorithms!
}
}
#endif // NV_IMAGE_QUANTIZE_H

212
src/nvimage/TgaFile.h
View File

@ -1,106 +1,106 @@
// This code is in the public domain -- castanyo@yahoo.es
#pragma once
#ifndef NV_IMAGE_TGAFILE_H
#define NV_IMAGE_TGAFILE_H
#include "nvcore/Stream.h"
namespace nv
{
// TGA types
enum TGAType {
TGA_TYPE_INDEXED = 1,
TGA_TYPE_RGB = 2,
TGA_TYPE_GREY = 3,
TGA_TYPE_RLE_INDEXED = 9,
TGA_TYPE_RLE_RGB = 10,
TGA_TYPE_RLE_GREY = 11
};
#define TGA_INTERLEAVE_MASK 0xc0
#define TGA_INTERLEAVE_NONE 0x00
#define TGA_INTERLEAVE_2WAY 0x40
#define TGA_INTERLEAVE_4WAY 0x80
#define TGA_ORIGIN_MASK 0x30
#define TGA_ORIGIN_LEFT 0x00
#define TGA_ORIGIN_RIGHT 0x10
#define TGA_ORIGIN_LOWER 0x00
#define TGA_ORIGIN_UPPER 0x20
#define TGA_HAS_ALPHA 0x0F
/// Tga Header.
struct TgaHeader {
uint8 id_length;
uint8 colormap_type;
uint8 image_type;
uint16 colormap_index;
uint16 colormap_length;
uint8 colormap_size;
uint16 x_origin;
uint16 y_origin;
uint16 width;
uint16 height;
uint8 pixel_size;
uint8 flags;
enum { Size = 18 }; //const static int SIZE = 18;
};
/// Tga File.
struct TgaFile {
TgaFile() {
mem = NULL;
}
~TgaFile() {
free();
}
uint size() const {
return head.width * head.height * (head.pixel_size / 8);
}
void allocate() {
nvCheck( mem == NULL );
mem = new uint8[size()];
}
void free() {
delete [] mem;
mem = NULL;
}
TgaHeader head;
uint8 * mem;
};
inline Stream & operator<< (Stream & s, TgaHeader & head)
{
s << head.id_length << head.colormap_type << head.image_type;
s << head.colormap_index << head.colormap_length << head.colormap_size;
s << head.x_origin << head.y_origin << head.width << head.height;
s << head.pixel_size << head.flags;
return s;
}
inline Stream & operator<< (Stream & s, TgaFile & tga)
{
s << tga.head;
if( s.isLoading() ) {
tga.allocate();
}
s.serialize( tga.mem, tga.size() );
return s;
}
} // nv namespace
#endif // NV_IMAGE_TGAFILE_H
// This code is in the public domain -- castanyo@yahoo.es
#pragma once
#ifndef NV_IMAGE_TGAFILE_H
#define NV_IMAGE_TGAFILE_H
#include "nvcore/Stream.h"
namespace nv
{
// TGA types
enum TGAType {
TGA_TYPE_INDEXED = 1,
TGA_TYPE_RGB = 2,
TGA_TYPE_GREY = 3,
TGA_TYPE_RLE_INDEXED = 9,
TGA_TYPE_RLE_RGB = 10,
TGA_TYPE_RLE_GREY = 11
};
#define TGA_INTERLEAVE_MASK 0xc0
#define TGA_INTERLEAVE_NONE 0x00
#define TGA_INTERLEAVE_2WAY 0x40
#define TGA_INTERLEAVE_4WAY 0x80
#define TGA_ORIGIN_MASK 0x30
#define TGA_ORIGIN_LEFT 0x00
#define TGA_ORIGIN_RIGHT 0x10
#define TGA_ORIGIN_LOWER 0x00
#define TGA_ORIGIN_UPPER 0x20
#define TGA_HAS_ALPHA 0x0F
/// Tga Header.
struct TgaHeader {
uint8 id_length;
uint8 colormap_type;
uint8 image_type;
uint16 colormap_index;
uint16 colormap_length;
uint8 colormap_size;
uint16 x_origin;
uint16 y_origin;
uint16 width;
uint16 height;
uint8 pixel_size;
uint8 flags;
enum { Size = 18 }; //const static int SIZE = 18;
};
/// Tga File.
struct TgaFile {
TgaFile() {
mem = NULL;
}
~TgaFile() {
free();
}
uint size() const {
return head.width * head.height * (head.pixel_size / 8);
}
void allocate() {
nvCheck( mem == NULL );
mem = new uint8[size()];
}
void free() {
delete [] mem;
mem = NULL;
}
TgaHeader head;
uint8 * mem;
};
inline Stream & operator<< (Stream & s, TgaHeader & head)
{
s << head.id_length << head.colormap_type << head.image_type;
s << head.colormap_index << head.colormap_length << head.colormap_size;
s << head.x_origin << head.y_origin << head.width << head.height;
s << head.pixel_size << head.flags;
return s;
}
inline Stream & operator<< (Stream & s, TgaFile & tga)
{
s << tga.head;
if( s.isLoading() ) {
tga.allocate();
}
s.serialize( tga.mem, tga.size() );
return s;
}
} // nv namespace
#endif // NV_IMAGE_TGAFILE_H