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comparison include/SDL_rect.h @ 3536:0267b8b1595c

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Added interfaces for batch drawing of points, lines and rects: SDL_DrawPoints() SDL_BlendPoints() SDL_BlendLines() SDL_DrawLines() SDL_FillRects() SDL_BlendRects() SDL_RenderPoints() SDL_RenderLines() SDL_RenderRects() Renamed SDL_RenderFill() to SDL_RenderRect()
author Sam Lantinga <slouken@libsdl.org>
date Wed, 09 Dec 2009 15:56:56 +0000
parents d3baf5ac4e37
children f7b03b6838cb
comparison
equal deleted inserted replaced
3535:b403f790df65 3536:0267b8b1595c
41 extern "C" { 41 extern "C" {
42 /* *INDENT-ON* */ 42 /* *INDENT-ON* */
43 #endif 43 #endif
44 44
45 /** 45 /**
46 * \brief The structure that defines a point
47 *
48 * \sa SDL_EnclosePoints
49 */
50 typedef struct
51 {
52 int x;
53 int y;
54 } SDL_Point;
55
56 /**
46 * \brief A rectangle, with the origin at the upper left. 57 * \brief A rectangle, with the origin at the upper left.
47 * 58 *
48 * \sa SDL_RectEmpty 59 * \sa SDL_RectEmpty
49 * \sa SDL_RectEquals 60 * \sa SDL_RectEquals
50 * \sa SDL_HasIntersection 61 * \sa SDL_HasIntersection
51 * \sa SDL_IntersectRect 62 * \sa SDL_IntersectRect
52 * \sa SDL_UnionRect 63 * \sa SDL_UnionRect
64 * \sa SDL_EnclosePoints
53 */ 65 */
54 typedef struct SDL_Rect 66 typedef struct SDL_Rect
55 { 67 {
56 int x, y; 68 int x, y;
57 int w, h; 69 int w, h;
91 extern DECLSPEC void SDLCALL SDL_UnionRect(const SDL_Rect * A, 103 extern DECLSPEC void SDLCALL SDL_UnionRect(const SDL_Rect * A,
92 const SDL_Rect * B, 104 const SDL_Rect * B,
93 SDL_Rect * result); 105 SDL_Rect * result);
94 106
95 /** 107 /**
108 * \brief Calculate a minimal rectangle enclosing a set of points
109 *
110 * \return SDL_TRUE if any points were within the clipping rect
111 */
112 extern DECLSPEC SDL_bool SDLCALL SDL_EnclosePoints(const SDL_Point * points,
113 int count,
114 const SDL_Rect * clip,
115 SDL_Rect * result);
116
117 /**
96 * \brief Calculate the intersection of a rectangle and line segment. 118 * \brief Calculate the intersection of a rectangle and line segment.
97 * 119 *
98 * \return SDL_TRUE if there is an intersection, SDL_FALSE otherwise. 120 * \return SDL_TRUE if there is an intersection, SDL_FALSE otherwise.
99 */ 121 */
100 extern DECLSPEC SDL_bool SDLCALL SDL_IntersectRectAndLine(const SDL_Rect * 122 extern DECLSPEC SDL_bool SDLCALL SDL_IntersectRectAndLine(const SDL_Rect *