3 * Copyright (C) 2003,2004 Develer S.r.l. (http://www.develer.com/)
4 * Copyright (C) 1999 Bernardo Innocenti <bernie@develer.com>
5 * This file is part of DevLib - See devlib/README for information.
9 * \author Bernardo Innocenti <bernie@develer.com>
10 * \author Stefano Fedrigo <aleph@develer.com>
12 * \brief General pourpose graphics routines
17 * Revision 1.3 2004/08/04 03:16:59 bernie
18 * Switch to new DevLib CONFIG_ convention.
20 * Revision 1.2 2004/06/03 11:27:09 bernie
21 * Add dual-license information.
23 * Revision 1.1 2004/05/23 15:43:16 bernie
24 * Import mware modules.
26 * Revision 1.4 2004/02/09 00:21:28 aleph
29 * Revision 1.3 2004/01/27 23:24:19 aleph
30 * Add new graphics primitives
32 * Revision 1.2 2004/01/07 23:33:01 aleph
33 * Change copyright email
35 * Revision 1.1 2004/01/07 19:05:31 aleph
36 * Add graphics routines
46 /*! Common type for coordinates expressed in pixel units */
49 #if CONFIG_GFX_VCOORDS
50 /*! Common type for coordinates expressed in logical units */
51 typedef float vcoord_t;
52 #endif /* CONFIG_GFX_VCOORDS */
55 typedef struct Rect { coord_t xmin, ymin, xmax, ymax; } Rect;
59 * Control structure to draw in a bitmap
63 uint8_t *raster; /*!< Pointer to byte array to hold the data */
64 coord_t width, height; /*!< Width/Height in pixels */
65 coord_t penX, penY; /*!< Current pen position MoveTo()/LineTo() */
67 Rect cr; /*!< Clip drawing inside this rectangle */
69 #if CONFIG_GFX_VCOORDS
71 * \name Logical coordinate system
75 vcoord_t scaleX, scaleY;
77 #endif /* CONFIG_GFX_VCOORDS */
82 /* Function prototypes */
83 extern void gfx_InitBitmap(Bitmap *bm, uint8_t *raster, coord_t w, coord_t h);
84 extern void gfx_ClearBitmap(Bitmap *bm);
85 extern void gfx_blitBitmap_P(Bitmap *bm, const prog_uchar *raster);
86 extern void gfx_DrawLine(Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2);
87 extern void gfx_FillRect(Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2);
88 extern void gfx_DrawRect(Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2);
89 extern void gfx_ClearRect(Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2);
90 extern void gfx_MoveTo(Bitmap *bm, coord_t x, coord_t y);
91 extern void gfx_LineTo(Bitmap *bm, coord_t x, coord_t y);
92 extern void gfx_SetClipRect(Bitmap *bm, coord_t xmin, coord_t ymin, coord_t xmax, coord_t ymax);
94 #if CONFIG_GFX_VCOORDS
95 extern void gfx_SetViewRect(Bitmap *bm, vcoord_t x1, vcoord_t y1, vcoord_t x2, vcoord_t y2);
96 extern coord_t gfx_TransformX(Bitmap *bm, vcoord_t x);
97 extern coord_t gfx_TransformY(Bitmap *bm, vcoord_t y);
98 extern void gfx_VDrawLine(Bitmap *bm, vcoord_t x1, vcoord_t y1, vcoord_t x2, vcoord_t y2);
99 #endif /* CONFIG_GFX_VCOORDS */
101 #endif /* MWARE_GFX_H */