X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fcore%2Fpixelstore.h;fp=source%2Fcore%2Fpixelstore.h;h=80032c3c3fdc7bee3eb62d76ff2cc16e43b6f563;hb=7aaec9a70b8d7733429bec043f8e33e02956f266;hp=0000000000000000000000000000000000000000;hpb=bec07999d95b76f4b47cffcc564d0cd0afc0435e;p=libs%2Fgl.git

diff --git a/source/core/pixelstore.h b/source/core/pixelstore.h
new file mode 100644
index 00000000..80032c3c
--- /dev/null
+++ b/source/core/pixelstore.h
@@ -0,0 +1,46 @@
+#ifndef MSP_GL_PIXELSTORE_H_
+#define MSP_GL_PIXELSTORE_H_
+
+#include <msp/graphics/image.h>
+#include "bindable.h"
+
+namespace Msp {
+namespace GL {
+
+class PixelStore: public BindableWithDefault<PixelStore>
+{
+private:
+	enum ParameterMask
+	{
+		SIZE = 1,
+		ORIGIN = 2,
+		ALIGNMENT = 4
+	};
+
+	unsigned row_length;
+	unsigned image_height;
+	unsigned skip_pixels;
+	unsigned skip_rows;
+	unsigned skip_images;
+	unsigned alignment;
+
+public:
+	PixelStore();
+
+	static PixelStore from_image(const Graphics::Image &);
+
+private:
+	void update_parameter(int) const;
+
+public:
+	void set_canvas_size(unsigned, unsigned);
+	void set_origin(unsigned, unsigned, unsigned);
+	void set_alignment(unsigned);
+
+	void bind() const;
+};
+
+} // namespace GL
+} // namespace Msp
+
+#endif