3 * Copyright 2003, 2004, 2005 Develer S.r.l. (http://www.develer.com/)
4 * Copyright 1999 Bernardo Innocenti <bernie@develer.com>
5 * This file is part of DevLib - See README.devlib for information.
9 * \author Bernardo Innocenti <bernie@develer.com>
10 * \author Stefano Fedrigo <aleph@develer.com>
12 * \brief General pourpose graphics routines
17 *#* Revision 1.5 2006/01/17 02:31:29 bernie
18 *#* Add bitmap format support; Improve some comments.
20 *#* Revision 1.4 2006/01/16 03:30:57 bernie
21 *#* Make header C++ friendly.
23 *#* Revision 1.3 2005/11/27 23:33:40 bernie
24 *#* Use appconfig.h instead of cfg/config.h.
26 *#* Revision 1.2 2005/11/04 18:17:45 bernie
27 *#* Fix header guards and includes for new location of gfx module.
29 *#* Revision 1.1 2005/11/04 18:11:35 bernie
30 *#* Move graphics stuff from mware/ to gfx/.
32 *#* Revision 1.12 2005/11/04 16:20:02 bernie
33 *#* Fix reference to README.devlib in header.
35 *#* Revision 1.11 2005/04/11 19:10:28 bernie
36 *#* Include top-level headers from cfg/ subdir.
38 *#* Revision 1.10 2005/03/01 23:26:45 bernie
39 *#* Use new CPU-neutral program-memory API.
41 *#* Revision 1.9 2005/01/20 18:46:31 aleph
42 *#* Fix progmem includes.
48 #include <appconfig.h>
49 #include <cfg/compiler.h>
54 /*! Common type for coordinates expressed in pixel units */
57 #if CONFIG_GFX_VCOORDS
58 /*! Common type for coordinates expressed in logical units */
59 typedef float vcoord_t;
60 #endif /* CONFIG_GFX_VCOORDS */
63 typedef struct Rect { coord_t xmin, ymin, xmax, ymax; } Rect;
67 * Control structure to draw in a bitmap
71 uint8_t *raster; /*!< Pointer to byte array to hold the data */
72 coord_t width, height; /*!< Width/Height in pixels */
73 coord_t stride; /*!< Bytes per row. */
74 coord_t penX, penY; /*!< Current pen position MoveTo()/LineTo() */
76 Rect cr; /*!< Clip drawing inside this rectangle */
78 #if CONFIG_GFX_VCOORDS
80 * \name Logical coordinate system
84 vcoord_t scaleX, scaleY;
86 #endif /* CONFIG_GFX_VCOORDS */
91 /* Function prototypes */
92 extern void gfx_bitmapInit (Bitmap *bm, uint8_t *raster, coord_t w, coord_t h);
93 extern void gfx_bitmapClear(Bitmap *bm);
94 extern void gfx_line (Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2);
95 extern void gfx_rectDraw (Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2);
96 extern void gfx_rectFillC (Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2, uint8_t color);
97 extern void gfx_rectFill (Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2);
98 extern void gfx_rectClear (Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2);
99 extern void gfx_moveTo (Bitmap *bm, coord_t x, coord_t y);
100 extern void gfx_lineTo (Bitmap *bm, coord_t x, coord_t y);
101 extern void gfx_setClipRect(Bitmap *bm, coord_t xmin, coord_t ymin, coord_t xmax, coord_t ymax);
104 #include <mware/pgm.h>
105 extern void gfx_blit_P(Bitmap *bm, const pgm_uint8_t *raster);
109 #if CONFIG_GFX_VCOORDS
110 extern void gfx_setViewRect(Bitmap *bm, vcoord_t x1, vcoord_t y1, vcoord_t x2, vcoord_t y2);
111 extern coord_t gfx_transformX(Bitmap *bm, vcoord_t x);
112 extern coord_t gfx_transformY(Bitmap *bm, vcoord_t y);
113 extern void gfx_vline(Bitmap *bm, vcoord_t x1, vcoord_t y1, vcoord_t x2, vcoord_t y2);
114 #endif /* CONFIG_GFX_VCOORDS */
118 #endif /* GFX_GFX_H */