3 * Copyright (C) 1999 Bernardo Innocenti <bernie@develer.com>
4 * Copyright (C) 2003 Develer S.r.l. (http://www.develer.com/)
9 * \author Bernardo Innocenti <bernie@develer.com>
10 * \author Stefano Fedrigo <aleph@develer.com>
12 * \brief General pourpose graphics routines
17 * Revision 1.1 2004/05/23 15:43:16 bernie
18 * Import mware modules.
20 * Revision 1.4 2004/02/09 00:21:28 aleph
23 * Revision 1.3 2004/01/27 23:24:19 aleph
24 * Add new graphics primitives
26 * Revision 1.2 2004/01/07 23:33:01 aleph
27 * Change copyright email
29 * Revision 1.1 2004/01/07 19:05:31 aleph
30 * Add graphics routines
38 #include <avr/pgmspace.h>
41 /*! Common type for coordinates expressed in pixel units */
44 #ifdef CONFIG_LCD_VCOORDS
45 /*! Common type for coordinates expressed in logical units */
46 typedef float vcoord_t;
47 #endif /* CONFIG_LCD_VCOORDS */
50 typedef struct Rect { coord_t xmin, ymin, xmax, ymax; } Rect;
53 /*! Control structure to draw in a bitmap */
57 uint8_t *raster; /*!< Pointer to byte array to hold the data */
58 coord_t width, height; /*!< Width/Height in pixels */
59 coord_t penX, penY; /*!< Current pen position MoveTo()/LineTo() */
61 Rect cr; /*!< Clip drawing inside this rectangle */
63 #ifdef CONFIG_LCD_VCOORDS
64 /*! Logical coordinate system */
66 vcoord_t scaleX, scaleY;
67 #endif /* CONFIG_LCD_VCOORDS */
72 /* Function prototypes */
73 extern void gfx_InitBitmap(Bitmap *bm, uint8_t *raster, coord_t w, coord_t h);
74 extern void gfx_ClearBitmap(Bitmap *bm);
75 extern void gfx_blitBitmap_P(Bitmap *bm, const prog_uchar *raster);
76 extern void gfx_DrawLine(Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2);
77 extern void gfx_FillRect(Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2);
78 extern void gfx_DrawRect(Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2);
79 extern void gfx_ClearRect(Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2);
80 extern void gfx_MoveTo(Bitmap *bm, coord_t x, coord_t y);
81 extern void gfx_LineTo(Bitmap *bm, coord_t x, coord_t y);
82 extern void gfx_SetClipRect(Bitmap *bm, coord_t xmin, coord_t ymin, coord_t xmax, coord_t ymax);
84 #ifdef CONFIG_LCD_VCOORDS
85 extern void gfx_SetViewRect(Bitmap *bm, vcoord_t x1, vcoord_t y1, vcoord_t x2, vcoord_t y2);
86 extern coord_t gfx_TransformX(Bitmap *bm, vcoord_t x);
87 extern coord_t gfx_TransformY(Bitmap *bm, vcoord_t y);
88 extern void gfx_VDrawLine(Bitmap *bm, vcoord_t x1, vcoord_t y1, vcoord_t x2, vcoord_t y2);
89 #endif /* CONFIG_LCD_VCOORDS */