+++ /dev/null
-/*!
- * \file
- * Copyright 2003, 2004, 2005 Develer S.r.l. (http://www.develer.com/)
- * Copyright 1999 Bernardo Innocenti <bernie@develer.com>
- * This file is part of DevLib - See README.devlib for information.
- *
- * \version $Id$
- *
- * \author Bernardo Innocenti <bernie@develer.com>
- * \author Stefano Fedrigo <aleph@develer.com>
- *
- * \brief General pourpose graphics routines
- */
-
-/*#*
- *#* $Log$
- *#* Revision 1.6 2006/01/23 23:13:04 bernie
- *#* RECT_WIDTH(), RECT_HEIGHT(), RASTER_SIZE(): New macros.
- *#*
- *#* Revision 1.5 2006/01/17 02:31:29 bernie
- *#* Add bitmap format support; Improve some comments.
- *#*
- *#* Revision 1.4 2006/01/16 03:30:57 bernie
- *#* Make header C++ friendly.
- *#*
- *#* Revision 1.3 2005/11/27 23:33:40 bernie
- *#* Use appconfig.h instead of cfg/config.h.
- *#*
- *#* Revision 1.2 2005/11/04 18:17:45 bernie
- *#* Fix header guards and includes for new location of gfx module.
- *#*
- *#* Revision 1.1 2005/11/04 18:11:35 bernie
- *#* Move graphics stuff from mware/ to gfx/.
- *#*
- *#* Revision 1.12 2005/11/04 16:20:02 bernie
- *#* Fix reference to README.devlib in header.
- *#*
- *#* Revision 1.11 2005/04/11 19:10:28 bernie
- *#* Include top-level headers from cfg/ subdir.
- *#*
- *#* Revision 1.10 2005/03/01 23:26:45 bernie
- *#* Use new CPU-neutral program-memory API.
- *#*
- *#* Revision 1.9 2005/01/20 18:46:31 aleph
- *#* Fix progmem includes.
- *#*/
-
-#ifndef GFX_GFX_H
-#define GFX_GFX_H
-
-#include <appconfig.h>
-#include <cfg/compiler.h>
-#include <cfg/cpu.h>
-
-EXTERN_C_BEGIN
-
-/*! Common type for coordinates expressed in pixel units */
-typedef int coord_t;
-
-#if CONFIG_GFX_VCOORDS
-/*! Common type for coordinates expressed in logical units */
-typedef float vcoord_t;
-#endif /* CONFIG_GFX_VCOORDS */
-
-
-/**
- * Describe a rectangular area with coordinates expressed in pixels.
- *
- * The rectangle is represented in terms of its top/left and
- * right/bottom borders.
- *
- * In some cases, rectangles are assumed to obey to the
- * following invariants:
- *
- * xmin <= xmax
- * ymin <= ymax
- *
- * Oddly, the xmin and ymin coordinates are inclusive, while the
- * xmax and ymax coordinates are non-inclusive. This design
- * decision makes several computations simpler and lets you
- * specify empty (0x0) rectangles without breaking the
- * invariants.
- *
- * Computing the size of a rectangle can be done by simply
- * subtracting the maximum X or Y coordinate from the minimum
- * X or Y coordinate.
- */
-typedef struct Rect { coord_t xmin, ymin, xmax, ymax; } Rect;
-
-/**
- * Return the width of a rectangle in pixels.
- *
- * \note The argument \a r is evaluated twice.
- */
-#define RECT_WIDTH(r) ((r)->xmax - (r)->xmin)
-
-/**
- * Return the height of a rectangle in pixels.
- *
- * \note The argument \a r is evaluated twice.
- */
-#define RECT_HEIGHT(r) ((r)->ymax - (r)->ymin)
-
-
-/*!
- * Control structure to draw in a bitmap
- */
-typedef struct Bitmap
-{
- uint8_t *raster; /*!< Pointer to byte array to hold the data */
- coord_t width, height; /*!< Width/Height in pixels */
- coord_t stride; /*!< Bytes per row. */
- coord_t penX, penY; /*!< Current pen position MoveTo()/LineTo() */
-
- Rect cr; /*!< Clip drawing inside this rectangle */
-
-#if CONFIG_GFX_VCOORDS
- /*!
- * \name Logical coordinate system
- * \{
- */
- vcoord_t orgX, orgY;
- vcoord_t scaleX, scaleY;
- /*\}*/
-#endif /* CONFIG_GFX_VCOORDS */
-
-} Bitmap;
-
-#if CONFIG_BITMAP_FMT == BITMAP_FMT_PLANAR_H_MSB
- /**
- * Compute the size in bytes of a raster suitable for
- * holding a bitmap of \a width x \a height pixels.
- */
- #define RASTER_SIZE(width, height) ( ((width) + 7 / 8) * (height) )
-
-#elif CONFIG_BITMAP_FMT == BITMAP_FMT_PLANAR_V_LSB
- /**
- * Compute the size in bytes of a raster suitable for
- * holding a bitmap of \a width x \a height pixels.
- */
- #define RASTER_SIZE(width, height) ( (width) * (((height) + 7) / 8) )
-#else
- #error Unknown value of CONFIG_BITMAP_FMT
-#endif /* CONFIG_BITMAP_FMT */
-
-
-/* Function prototypes */
-extern void gfx_bitmapInit (Bitmap *bm, uint8_t *raster, coord_t w, coord_t h);
-extern void gfx_bitmapClear(Bitmap *bm);
-extern void gfx_blit (Bitmap *dst, Rect *rect, Bitmap *src, coord_t srcx, coord_t srcy);
-extern void gfx_line (Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2);
-extern void gfx_rectDraw (Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2);
-extern void gfx_rectFillC (Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2, uint8_t color);
-extern void gfx_rectFill (Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2);
-extern void gfx_rectClear (Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2);
-extern void gfx_moveTo (Bitmap *bm, coord_t x, coord_t y);
-extern void gfx_lineTo (Bitmap *bm, coord_t x, coord_t y);
-extern void gfx_setClipRect(Bitmap *bm, coord_t xmin, coord_t ymin, coord_t xmax, coord_t ymax);
-
-#if CPU_HARVARD
- #include <mware/pgm.h>
- extern void gfx_blit_P(Bitmap *bm, const pgm_uint8_t *raster);
-#endif
-
-#if CONFIG_GFX_VCOORDS
-extern void gfx_setViewRect(Bitmap *bm, vcoord_t x1, vcoord_t y1, vcoord_t x2, vcoord_t y2);
-extern coord_t gfx_transformX(Bitmap *bm, vcoord_t x);
-extern coord_t gfx_transformY(Bitmap *bm, vcoord_t y);
-extern void gfx_vline(Bitmap *bm, vcoord_t x1, vcoord_t y1, vcoord_t x2, vcoord_t y2);
-#endif /* CONFIG_GFX_VCOORDS */
-
-EXTERN_C_END
-
-#endif /* GFX_GFX_H */
projects / bertos.git / blobdiff