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#ifndef __RGBADRAW
#define __RGBADRAW 1
#define IN_SEGMENT(x, sx, sw) \
((unsigned)((x) - (sx)) < (sw))
#define IN_RANGE(x, y, w, h) \
( ((unsigned)(x) < (w)) && ((unsigned)(y) < (h)) )
#define IN_RECT(x, y, rx, ry, rw, rh) \
( ((unsigned)((x) - (rx)) < (rw)) && ((unsigned)((y) - (ry)) < (rh)) )
#define CLIP_RECT_TO_RECT(x, y, w, h, rx, ry, rw, rh) \
{ \
int _t0, _t1; \
\
_t0 = MAX(x, (rx)); \
_t1 = MIN(x + w, (rx) + (rw)); \
x = _t0; \
w = _t1 - _t0; \
_t0 = MAX(y, (ry)); \
_t1 = MIN(y + h, (ry) + (rh)); \
y = _t0; \
h = _t1 - _t0; \
}
#define DIV_255(a, x, tmp) \
do { \
tmp = (x) + 0x80; \
a = (tmp + (tmp >> 8)) >> 8; \
} while (0)
#define MULT(na, a0, a1, tmp) \
DIV_255(na, (a0) * (a1), tmp)
typedef struct _imlib_point ImlibPoint;
struct _imlib_point
{
int x, y;
};
typedef struct _imlib_rectangle Imlib_Rectangle;
struct _imlib_rectangle
{
int x, y, w, h;
};
typedef struct _imlib_polygon _ImlibPoly;
typedef _ImlibPoly *ImlibPoly;
struct _imlib_polygon
{
ImlibPoint *points;
int pointcount;
int lx, rx;
int ty, by;
};
/* image related operations: in rgbadraw.c */
__hidden void __imlib_FlipImageHoriz(ImlibImage * im);
__hidden void __imlib_FlipImageVert(ImlibImage * im);
__hidden void __imlib_FlipImageBoth(ImlibImage * im);
__hidden void __imlib_FlipImageDiagonal(ImlibImage * im, int direction);
__hidden void __imlib_BlurImage(ImlibImage * im, int rad);
__hidden void __imlib_SharpenImage(ImlibImage * im, int rad);
__hidden void __imlib_TileImageHoriz(ImlibImage * im);
__hidden void __imlib_TileImageVert(ImlibImage * im);
__hidden void __imlib_copy_alpha_data(ImlibImage * src, ImlibImage * dst, int x, int y,
int w, int h, int nx, int ny);
__hidden void __imlib_copy_image_data(ImlibImage * im, int x, int y, int w, int h,
int nx, int ny);
/* point and line drawing: in line.c */
__hidden ImlibUpdate *
__imlib_Point_DrawToImage(int x, int y, DATA32 color,
ImlibImage *im, int clx, int cly, int clw, int clh,
ImlibOp op, char blend, char make_updates);
__hidden ImlibUpdate *
__imlib_Line_DrawToImage(int x0, int y0, int x1, int y1, DATA32 color,
ImlibImage *im, int clx, int cly, int clw, int clh,
ImlibOp op, char blend, char anti_alias,
char make_updates);
/* rectangle drawing and filling: in rectangle.c */
__hidden void
__imlib_Rectangle_DrawToImage(int xc, int yc, int w, int h, DATA32 color,
ImlibImage *im, int clx, int cly, int clw, int clh,
ImlibOp op, char blend);
__hidden void
__imlib_Rectangle_FillToImage(int xc, int yc, int w, int h, DATA32 color,
ImlibImage *im, int clx, int cly, int clw, int clh,
ImlibOp op, char blend);
/* ellipse drawing and filling: in ellipse.c */
__hidden void
__imlib_Ellipse_DrawToImage(int xc, int yc, int a, int b, DATA32 color,
ImlibImage *im, int clx, int cly, int clw, int clh,
ImlibOp op, char blend, char anti_alias);
__hidden void
__imlib_Ellipse_FillToImage(int xc, int yc, int a, int b, DATA32 color,
ImlibImage *im, int clx, int cly, int clw, int clh,
ImlibOp op, char blend, char anti_alias);
/* polygon handling functions: in polygon.c */
__hidden ImlibPoly __imlib_polygon_new(void);
__hidden void __imlib_polygon_free(ImlibPoly poly);
__hidden void __imlib_polygon_add_point(ImlibPoly poly, int x, int y);
__hidden unsigned char __imlib_polygon_contains_point(ImlibPoly poly, int x, int y);
__hidden void __imlib_polygon_get_bounds(ImlibPoly poly, int *px1, int *py1, int *px2, int *py2);
/* polygon drawing and filling: in polygon.c */
__hidden void
__imlib_Polygon_DrawToImage(ImlibPoly poly, char closed, DATA32 color,
ImlibImage *im, int clx, int cly, int clw, int clh,
ImlibOp op, char blend, char anti_alias);
__hidden void
__imlib_Polygon_FillToImage(ImlibPoly poly, DATA32 color,
ImlibImage *im, int clx, int cly, int clw, int clh,
ImlibOp op, char blend, char anti_alias);
#endif
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