3 * Copyright (C) 2003,2004 Develer S.r.l. (http://www.develer.com/)
4 * Copyright (C) 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 1.2 2004/06/03 11:27:09 bernie
18 * Add dual-license information.
20 * Revision 1.1 2004/05/23 15:43:16 bernie
21 * Import mware modules.
23 * Revision 1.4 2004/02/09 00:21:28 aleph
26 * Revision 1.3 2004/01/27 23:24:19 aleph
27 * Add new graphics primitives
29 * Revision 1.2 2004/01/07 23:33:01 aleph
30 * Change copyright email
32 * Revision 1.1 2004/01/07 19:05:31 aleph
33 * Add graphics routines
41 #include <avr/pgmspace.h>
44 /*! Common type for coordinates expressed in pixel units */
47 #ifdef CONFIG_LCD_VCOORDS
48 /*! Common type for coordinates expressed in logical units */
49 typedef float vcoord_t;
50 #endif /* CONFIG_LCD_VCOORDS */
53 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 #ifdef CONFIG_LCD_VCOORDS
67 /*! Logical coordinate system */
69 vcoord_t scaleX, scaleY;
70 #endif /* CONFIG_LCD_VCOORDS */
75 /* Function prototypes */
76 extern void gfx_InitBitmap(Bitmap *bm, uint8_t *raster, coord_t w, coord_t h);
77 extern void gfx_ClearBitmap(Bitmap *bm);
78 extern void gfx_blitBitmap_P(Bitmap *bm, const prog_uchar *raster);
79 extern void gfx_DrawLine(Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2);
80 extern void gfx_FillRect(Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2);
81 extern void gfx_DrawRect(Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2);
82 extern void gfx_ClearRect(Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2);
83 extern void gfx_MoveTo(Bitmap *bm, coord_t x, coord_t y);
84 extern void gfx_LineTo(Bitmap *bm, coord_t x, coord_t y);
85 extern void gfx_SetClipRect(Bitmap *bm, coord_t xmin, coord_t ymin, coord_t xmax, coord_t ymax);
87 #ifdef CONFIG_LCD_VCOORDS
88 extern void gfx_SetViewRect(Bitmap *bm, vcoord_t x1, vcoord_t y1, vcoord_t x2, vcoord_t y2);
89 extern coord_t gfx_TransformX(Bitmap *bm, vcoord_t x);
90 extern coord_t gfx_TransformY(Bitmap *bm, vcoord_t y);
91 extern void gfx_VDrawLine(Bitmap *bm, vcoord_t x1, vcoord_t y1, vcoord_t x2, vcoord_t y2);
92 #endif /* CONFIG_LCD_VCOORDS */