lubomyr
53 lines
1.6 KiB
C
Executable File
53 lines
1.6 KiB
C
Executable File
#include "gl.h"
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#ifndef PIXEL_H
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#define PIXEL_H
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typedef struct {
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GLenum type;
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GLint red, green, blue, alpha;
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} colorlayout_t;
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typedef struct {
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GLfloat r, g, b, a;
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} pixel_t;
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#define widthalign(width, align) ((width+(align-1))&(~(align-1)))
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bool pixel_convert(const GLvoid *src, GLvoid **dst,
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GLuint width, GLuint height,
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GLenum src_format, GLenum src_type,
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GLenum dst_format, GLenum dst_type, GLuint stride, GLuint align);
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bool pixel_transform(const GLvoid *src, GLvoid **dst,
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GLuint width, GLuint height,
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GLenum src_format, GLenum src_type,
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const GLfloat *scale, const GLfloat *bias);
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bool pixel_scale(const GLvoid *src, GLvoid **dst,
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GLuint width, GLuint height,
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GLfloat ratio,
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GLenum format, GLenum type);
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bool pixel_halfscale(const GLvoid *src, GLvoid **dst,
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GLuint width, GLuint height,
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GLenum format, GLenum type);
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bool pixel_thirdscale(const GLvoid *src, GLvoid **dst,
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GLuint width, GLuint height,
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GLenum format, GLenum type);
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bool pixel_quarterscale(const GLvoid *src, GLvoid **dst,
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GLuint width, GLuint height,
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GLenum format, GLenum type);
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bool pixel_doublescale(const GLvoid *src, GLvoid **dst,
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GLuint width, GLuint height,
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GLenum format, GLenum type);
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bool pixel_to_ppm(const GLvoid *pixels,
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GLuint width, GLuint height,
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GLenum format, GLenum type, GLuint name, GLuint align);
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#endif
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