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 1.8 2004/11/01 15:14:07 bernie
18 *#* Update to current coding conventions.
20 *#* Revision 1.7 2004/09/20 03:29:06 bernie
21 *#* Conditionalize AVR-specific code.
23 *#* Revision 1.6 2004/09/14 21:01:08 bernie
24 *#* Rename rectangle drawing functions; Unify filled/cleared implementations.
26 *#* Revision 1.4 2004/08/10 07:00:16 bernie
27 *#* Add missing header.
29 *#* Revision 1.3 2004/08/04 03:16:59 bernie
30 *#* Switch to new DevLib CONFIG_ convention.
32 *#* Revision 1.2 2004/06/03 11:27:09 bernie
33 *#* Add dual-license information.
35 *#* Revision 1.1 2004/05/23 15:43:16 bernie
36 *#* Import mware modules.
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_bitmapInit (Bitmap *bm, uint8_t *raster, coord_t w, coord_t h);
84 extern void gfx_bitmapClear(Bitmap *bm);
85 extern void gfx_line (Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2);
86 extern void gfx_rectDraw (Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2);
87 extern void gfx_rectFillC (Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2, uint8_t color);
88 extern void gfx_rectFill (Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2);
89 extern void gfx_rectClear (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);
95 #include <avr/pgmspace.h>
96 extern void gfx_blit_P(Bitmap *bm, const prog_uchar *raster);
100 #if CONFIG_GFX_VCOORDS
101 extern void gfx_setViewRect(Bitmap *bm, vcoord_t x1, vcoord_t y1, vcoord_t x2, vcoord_t y2);
102 extern coord_t gfx_transformX(Bitmap *bm, vcoord_t x);
103 extern coord_t gfx_transformY(Bitmap *bm, vcoord_t y);
104 extern void gfx_vline(Bitmap *bm, vcoord_t x1, vcoord_t y1, vcoord_t x2, vcoord_t y2);
105 #endif /* CONFIG_GFX_VCOORDS */
107 #endif /* MWARE_GFX_H */