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 1.2 2005/11/04 18:17:45 bernie
18 *#* Fix header guards and includes for new location of gfx module.
20 *#* Revision 1.1 2005/11/04 18:11:35 bernie
21 *#* Move graphics stuff from mware/ to gfx/.
23 *#* Revision 1.12 2005/11/04 16:20:02 bernie
24 *#* Fix reference to README.devlib in header.
26 *#* Revision 1.11 2005/04/11 19:10:28 bernie
27 *#* Include top-level headers from cfg/ subdir.
29 *#* Revision 1.10 2005/03/01 23:26:45 bernie
30 *#* Use new CPU-neutral program-memory API.
32 *#* Revision 1.9 2005/01/20 18:46:31 aleph
33 *#* Fix progmem includes.
39 #include <cfg/config.h>
40 #include <cfg/compiler.h>
44 /*! Common type for coordinates expressed in pixel units */
47 #if CONFIG_GFX_VCOORDS
48 /*! Common type for coordinates expressed in logical units */
49 typedef float vcoord_t;
50 #endif /* CONFIG_GFX_VCOORDS */
53 typedef struct Rect { coord_t xmin, ymin, xmax, ymax; } Rect;
57 * Control structure to draw in a bitmap
61 uint8_t *raster; /*!< Pointer to byte array to hold the data */
62 coord_t width, height; /*!< Width/Height in pixels */
63 coord_t penX, penY; /*!< Current pen position MoveTo()/LineTo() */
65 Rect cr; /*!< Clip drawing inside this rectangle */
67 #if CONFIG_GFX_VCOORDS
69 * \name Logical coordinate system
73 vcoord_t scaleX, scaleY;
75 #endif /* CONFIG_GFX_VCOORDS */
80 /* Function prototypes */
81 extern void gfx_bitmapInit (Bitmap *bm, uint8_t *raster, coord_t w, coord_t h);
82 extern void gfx_bitmapClear(Bitmap *bm);
83 extern void gfx_line (Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2);
84 extern void gfx_rectDraw (Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2);
85 extern void gfx_rectFillC (Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2, uint8_t color);
86 extern void gfx_rectFill (Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2);
87 extern void gfx_rectClear (Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2);
88 extern void gfx_moveTo (Bitmap *bm, coord_t x, coord_t y);
89 extern void gfx_lineTo (Bitmap *bm, coord_t x, coord_t y);
90 extern void gfx_setClipRect(Bitmap *bm, coord_t xmin, coord_t ymin, coord_t xmax, coord_t ymax);
93 #include <mware/pgm.h>
94 extern void gfx_blit_P(Bitmap *bm, const pgm_uint8_t *raster);
98 #if CONFIG_GFX_VCOORDS
99 extern void gfx_setViewRect(Bitmap *bm, vcoord_t x1, vcoord_t y1, vcoord_t x2, vcoord_t y2);
100 extern coord_t gfx_transformX(Bitmap *bm, vcoord_t x);
101 extern coord_t gfx_transformY(Bitmap *bm, vcoord_t y);
102 extern void gfx_vline(Bitmap *bm, vcoord_t x1, vcoord_t y1, vcoord_t x2, vcoord_t y2);
103 #endif /* CONFIG_GFX_VCOORDS */
105 #endif /* GFX_GFX_H */