3 * Copyright 2003, 2004 Develer S.r.l. (http://www.develer.com/)
4 * Copyright 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 1.7 2004/09/20 03:29:06 bernie
18 *#* Conditionalize AVR-specific code.
20 *#* Revision 1.6 2004/09/14 21:01:08 bernie
21 *#* Rename rectangle drawing functions; Unify filled/cleared implementations.
23 *#* Revision 1.4 2004/08/10 07:00:16 bernie
24 *#* Add missing header.
26 *#* Revision 1.3 2004/08/04 03:16:59 bernie
27 *#* Switch to new DevLib CONFIG_ convention.
29 *#* Revision 1.2 2004/06/03 11:27:09 bernie
30 *#* Add dual-license information.
32 *#* Revision 1.1 2004/05/23 15:43:16 bernie
33 *#* Import mware modules.
43 /*! Common type for coordinates expressed in pixel units */
46 #if CONFIG_GFX_VCOORDS
47 /*! Common type for coordinates expressed in logical units */
48 typedef float vcoord_t;
49 #endif /* CONFIG_GFX_VCOORDS */
52 typedef struct Rect { coord_t xmin, ymin, xmax, ymax; } Rect;
56 * Control structure to draw in a bitmap
60 uint8_t *raster; /*!< Pointer to byte array to hold the data */
61 coord_t width, height; /*!< Width/Height in pixels */
62 coord_t penX, penY; /*!< Current pen position MoveTo()/LineTo() */
64 Rect cr; /*!< Clip drawing inside this rectangle */
66 #if CONFIG_GFX_VCOORDS
68 * \name Logical coordinate system
72 vcoord_t scaleX, scaleY;
74 #endif /* CONFIG_GFX_VCOORDS */
79 /* Function prototypes */
80 extern void gfx_InitBitmap(Bitmap *bm, uint8_t *raster, coord_t w, coord_t h);
81 extern void gfx_ClearBitmap(Bitmap *bm);
82 extern void gfx_DrawLine(Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2);
83 extern void gfx_RectDraw(Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2);
84 extern void gfx_RectFillC(Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2, uint8_t color);
85 extern void gfx_RectFill(Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2);
86 extern void gfx_RectClear(Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2);
87 extern void gfx_MoveTo(Bitmap *bm, coord_t x, coord_t y);
88 extern void gfx_LineTo(Bitmap *bm, coord_t x, coord_t y);
89 extern void gfx_SetClipRect(Bitmap *bm, coord_t xmin, coord_t ymin, coord_t xmax, coord_t ymax);
92 #include <avr/pgmspace.h>
93 extern void gfx_blitBitmap_P(Bitmap *bm, const prog_uchar *raster);
96 /* DEPRECATED names */
97 #define gfx_DrawRect gfx_RectDraw
98 #define gfx_FillRect gfx_RectFill
99 #define gfx_ClearRect gfx_RectClear
101 #if CONFIG_GFX_VCOORDS
102 extern void gfx_SetViewRect(Bitmap *bm, vcoord_t x1, vcoord_t y1, vcoord_t x2, vcoord_t y2);
103 extern coord_t gfx_TransformX(Bitmap *bm, vcoord_t x);
104 extern coord_t gfx_TransformY(Bitmap *bm, vcoord_t y);
105 extern void gfx_VDrawLine(Bitmap *bm, vcoord_t x1, vcoord_t y1, vcoord_t x2, vcoord_t y2);
106 #endif /* CONFIG_GFX_VCOORDS */
108 #endif /* MWARE_GFX_H */