liballegro5-dev 2:5.0.11-2 / usr / include / allegro5 / allegro_primitives.h

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#ifndef __al_included_allegro5_allegro_primitives_h
#define __al_included_allegro5_allegro_primitives_h

#include <allegro5/allegro.h>

#if (defined ALLEGRO_MINGW32) || (defined ALLEGRO_MSVC) || (defined ALLEGRO_BCC32)
#ifndef ALLEGRO_STATICLINK
#ifdef ALLEGRO_PRIMITIVES_SRC
#define _ALLEGRO_PRIM_DLL __declspec(dllexport)
#else
#define _ALLEGRO_PRIM_DLL __declspec(dllimport)
#endif
#else
#define _ALLEGRO_PRIM_DLL
#endif
#endif

#if defined ALLEGRO_MSVC
#define ALLEGRO_PRIM_FUNC(type, name, args)      _ALLEGRO_PRIM_DLL type __cdecl name args
#elif defined ALLEGRO_MINGW32
#define ALLEGRO_PRIM_FUNC(type, name, args)      extern type name args
#elif defined ALLEGRO_BCC32
#define ALLEGRO_PRIM_FUNC(type, name, args)      extern _ALLEGRO_PRIM_DLL type name args
#else
#define ALLEGRO_PRIM_FUNC      AL_FUNC
#endif

#ifdef __cplusplus
extern "C"
{
#endif


/* Enum: ALLEGRO_PRIM_TYPE
 */
typedef enum ALLEGRO_PRIM_TYPE
{
  ALLEGRO_PRIM_LINE_LIST,
  ALLEGRO_PRIM_LINE_STRIP,
  ALLEGRO_PRIM_LINE_LOOP,
  ALLEGRO_PRIM_TRIANGLE_LIST,
  ALLEGRO_PRIM_TRIANGLE_STRIP,
  ALLEGRO_PRIM_TRIANGLE_FAN,
  ALLEGRO_PRIM_POINT_LIST,
  ALLEGRO_PRIM_NUM_TYPES
} ALLEGRO_PRIM_TYPE;

/* Enum: ALLEGRO_PRIM_ATTR
 */
typedef enum ALLEGRO_PRIM_ATTR
{
   ALLEGRO_PRIM_POSITION = 1,
   ALLEGRO_PRIM_COLOR_ATTR,
   ALLEGRO_PRIM_TEX_COORD,
   ALLEGRO_PRIM_TEX_COORD_PIXEL,
   ALLEGRO_PRIM_ATTR_NUM
} ALLEGRO_PRIM_ATTR;

/* Enum: ALLEGRO_PRIM_STORAGE
 */
typedef enum ALLEGRO_PRIM_STORAGE
{
   ALLEGRO_PRIM_FLOAT_2,
   ALLEGRO_PRIM_FLOAT_3,
   ALLEGRO_PRIM_SHORT_2
} ALLEGRO_PRIM_STORAGE;

/* Enum: ALLEGRO_VERTEX_CACHE_SIZE
 */
#define ALLEGRO_VERTEX_CACHE_SIZE 256

/* Enum: ALLEGRO_PRIM_QUALITY
 */
#define ALLEGRO_PRIM_QUALITY 10

/* Type: ALLEGRO_VERTEX_ELEMENT
 */
typedef struct ALLEGRO_VERTEX_ELEMENT ALLEGRO_VERTEX_ELEMENT;

struct ALLEGRO_VERTEX_ELEMENT {
   int attribute;
   int storage;
   int offset;
};

/* Type: ALLEGRO_VERTEX_DECL
 */
typedef struct ALLEGRO_VERTEX_DECL ALLEGRO_VERTEX_DECL;

/* Duplicated in allegro5/internal/aintern_tri_soft.h */
#ifndef _ALLEGRO_VERTEX_DEFINED
#define _ALLEGRO_VERTEX_DEFINED

/* Type: ALLEGRO_VERTEX
 */
typedef struct ALLEGRO_VERTEX ALLEGRO_VERTEX;

struct ALLEGRO_VERTEX {
  float x, y, z;
  float u, v;
  ALLEGRO_COLOR color;
};
#endif

ALLEGRO_PRIM_FUNC(uint32_t, al_get_allegro_primitives_version, (void));

/*
* Primary Functions
*/
ALLEGRO_PRIM_FUNC(bool, al_init_primitives_addon, (void));
ALLEGRO_PRIM_FUNC(void, al_shutdown_primitives_addon, (void));
ALLEGRO_PRIM_FUNC(int, al_draw_prim, (const void* vtxs, const ALLEGRO_VERTEX_DECL* decl, ALLEGRO_BITMAP* texture, int start, int end, int type));
ALLEGRO_PRIM_FUNC(int, al_draw_indexed_prim, (const void* vtxs, const ALLEGRO_VERTEX_DECL* decl, ALLEGRO_BITMAP* texture, const int* indices, int num_vtx, int type));

ALLEGRO_PRIM_FUNC(ALLEGRO_VERTEX_DECL*, al_create_vertex_decl, (const ALLEGRO_VERTEX_ELEMENT* elements, int stride));
ALLEGRO_PRIM_FUNC(void, al_destroy_vertex_decl, (ALLEGRO_VERTEX_DECL* decl));

/*
* Custom primitives
*/
ALLEGRO_PRIM_FUNC(void, al_draw_soft_triangle, (ALLEGRO_VERTEX* v1, ALLEGRO_VERTEX* v2, ALLEGRO_VERTEX* v3, uintptr_t state,
                                           void (*init)(uintptr_t, ALLEGRO_VERTEX*, ALLEGRO_VERTEX*, ALLEGRO_VERTEX*),
                                           void (*first)(uintptr_t, int, int, int, int),
                                           void (*step)(uintptr_t, int), 
                                           void (*draw)(uintptr_t, int, int, int)));
ALLEGRO_PRIM_FUNC(void, al_draw_soft_line, (ALLEGRO_VERTEX* v1, ALLEGRO_VERTEX* v2, uintptr_t state,
                                       void (*first)(uintptr_t, int, int, ALLEGRO_VERTEX*, ALLEGRO_VERTEX*),
                                       void (*step)(uintptr_t, int), 
                                       void (*draw)(uintptr_t, int, int)));

/*
*High level primitives
*/
ALLEGRO_PRIM_FUNC(void, al_draw_line, (float x1, float y1, float x2, float y2, ALLEGRO_COLOR color, float thickness));
ALLEGRO_PRIM_FUNC(void, al_draw_triangle, (float x1, float y1, float x2, float y2, float x3, float y3, ALLEGRO_COLOR color, float thickness));
ALLEGRO_PRIM_FUNC(void, al_draw_rectangle, (float x1, float y1, float x2, float y2, ALLEGRO_COLOR color, float thickness));
ALLEGRO_PRIM_FUNC(void, al_draw_rounded_rectangle, (float x1, float y1, float x2, float y2, float rx, float ry, ALLEGRO_COLOR color, float thickness));

ALLEGRO_PRIM_FUNC(void, al_calculate_arc, (float* dest, int stride, float cx, float cy, float rx, float ry, float start_theta, float delta_theta, float thickness, int num_points));
ALLEGRO_PRIM_FUNC(void, al_draw_circle, (float cx, float cy, float r, ALLEGRO_COLOR color, float thickness));
ALLEGRO_PRIM_FUNC(void, al_draw_ellipse, (float cx, float cy, float rx, float ry, ALLEGRO_COLOR color, float thickness));
ALLEGRO_PRIM_FUNC(void, al_draw_arc, (float cx, float cy, float r, float start_theta, float delta_theta, ALLEGRO_COLOR color, float thickness));
ALLEGRO_PRIM_FUNC(void, al_draw_elliptical_arc, (float cx, float cy, float rx, float ry, float start_theta, float delta_theta, ALLEGRO_COLOR color, float thickness));
ALLEGRO_PRIM_FUNC(void, al_draw_pieslice, (float cx, float cy, float r, float start_theta, float delta_theta, ALLEGRO_COLOR color, float thickness));

ALLEGRO_PRIM_FUNC(void, al_calculate_spline, (float* dest, int stride, float points[8], float thickness, int num_segments));
ALLEGRO_PRIM_FUNC(void, al_draw_spline, (float points[8], ALLEGRO_COLOR color, float thickness));

ALLEGRO_PRIM_FUNC(void, al_calculate_ribbon, (float* dest, int dest_stride, const float *points, int points_stride, float thickness, int num_segments));
ALLEGRO_PRIM_FUNC(void, al_draw_ribbon, (const float *points, int points_stride, ALLEGRO_COLOR color, float thickness, int num_segments));

ALLEGRO_PRIM_FUNC(void, al_draw_filled_triangle, (float x1, float y1, float x2, float y2, float x3, float y3, ALLEGRO_COLOR color));
ALLEGRO_PRIM_FUNC(void, al_draw_filled_rectangle, (float x1, float y1, float x2, float y2, ALLEGRO_COLOR color));
ALLEGRO_PRIM_FUNC(void, al_draw_filled_ellipse, (float cx, float cy, float rx, float ry, ALLEGRO_COLOR color));
ALLEGRO_PRIM_FUNC(void, al_draw_filled_circle, (float cx, float cy, float r, ALLEGRO_COLOR color));
ALLEGRO_PRIM_FUNC(void, al_draw_filled_pieslice, (float cx, float cy, float r, float start_theta, float delta_theta, ALLEGRO_COLOR color));
ALLEGRO_PRIM_FUNC(void, al_draw_filled_rounded_rectangle, (float x1, float y1, float x2, float y2, float rx, float ry, ALLEGRO_COLOR color));
   
   
#ifdef __cplusplus
}
#endif

#endif

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