37 lines
1.3 KiB
C
37 lines
1.3 KiB
C
#ifndef __al_included_allegro5_transformations_h
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#define __al_included_allegro5_transformations_h
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#include "allegro5/display.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Type: ALLEGRO_TRANSFORM
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*/
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typedef struct ALLEGRO_TRANSFORM ALLEGRO_TRANSFORM;
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struct ALLEGRO_TRANSFORM {
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float m[4][4];
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};
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/* Transformations*/
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AL_FUNC(void, al_use_transform, (const ALLEGRO_TRANSFORM* trans));
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AL_FUNC(void, al_copy_transform, (ALLEGRO_TRANSFORM* dest, const ALLEGRO_TRANSFORM* src));
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AL_FUNC(void, al_identity_transform, (ALLEGRO_TRANSFORM* trans));
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AL_FUNC(void, al_build_transform, (ALLEGRO_TRANSFORM* trans, float x, float y, float sx, float sy, float theta));
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AL_FUNC(void, al_translate_transform, (ALLEGRO_TRANSFORM* trans, float x, float y));
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AL_FUNC(void, al_rotate_transform, (ALLEGRO_TRANSFORM* trans, float theta));
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AL_FUNC(void, al_scale_transform, (ALLEGRO_TRANSFORM* trans, float sx, float sy));
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AL_FUNC(void, al_transform_coordinates, (const ALLEGRO_TRANSFORM* trans, float* x, float* y));
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AL_FUNC(void, al_compose_transform, (ALLEGRO_TRANSFORM* trans, const ALLEGRO_TRANSFORM* other));
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AL_FUNC(const ALLEGRO_TRANSFORM*, al_get_current_transform, (void));
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AL_FUNC(void, al_invert_transform, (ALLEGRO_TRANSFORM *trans));
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AL_FUNC(int, al_check_inverse, (const ALLEGRO_TRANSFORM *trans, float tol));
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#ifdef __cplusplus
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}
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#endif
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#endif
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