Import all sources from perforce.

src/nvimage/Image.cpp

@@ -0,0 +1,125 @@
+// This code is in the public domain -- castanyo@yahoo.es
+
+#include <nvcore/Debug.h>
+#include <nvcore/Ptr.h>
+
+#include <nvmath/Color.h>
+
+#include <nvimage/Image.h>
+#include <nvimage/ImageIO.h>
+
+
+using namespace nv;
+
+Image::Image() : m_width(0), m_height(0), m_format(Format_RGB), m_data(NULL)
+{
+}
+
+Image::~Image()
+{
+	free();
+}
+
+void Image::allocate(uint w, uint h)
+{
+	free();
+	m_width = w;
+	m_height = h;
+	m_data = new Color32[w*h];
+}
+
+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_format, img->m_format);
+	swap(m_data, img->m_data);
+	
+	return true;
+}
+
+void Image::wrap(void * data, uint w, uint h)
+{
+	free();
+	m_data = (Color32 *)data;
+	m_width = w;
+	m_height = h;
+}
+
+void Image::unwrap()
+{
+	m_data = NULL;
+	m_width = 0;
+	m_height = 0;
+}
+
+
+void Image::free()
+{
+	delete m_data;
+	m_data = NULL;
+}
+
+
+uint Image::width() const
+{
+	return m_width;
+}
+
+uint Image::height() const
+{
+	return m_height;
+}
+
+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);
+	return m_data[idx];
+}
+
+Color32 & Image::pixel(uint idx)
+{
+	nvDebugCheck(idx < m_width * m_height);
+	return m_data[idx];
+}
+
+
+Image::Format Image::format() const
+{
+	return m_format;
+}
+
+void Image::setFormat(Image::Format f)
+{
+	m_format = f;
+}
+