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