X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=gfx%2Fgfx.h;h=5ac1dc240db1629ceb29db383d211f5848e3231a;hb=HEAD;hp=d183ff5469f1805549cf9bf181491158fc9f2c9d;hpb=9ba9dcf2a59a952609e19154e11de3e2478cbf42;p=bertos.git diff --git a/gfx/gfx.h b/gfx/gfx.h deleted file mode 100644 index d183ff54..00000000 --- a/gfx/gfx.h +++ /dev/null @@ -1,204 +0,0 @@ -/** - * \file - * Copyright 2003, 2004, 2005, 2006 Develer S.r.l. (http://www.develer.com/) - * Copyright 1999 Bernardo Innocenti - * - * - * \version $Id$ - * - * \author Bernardo Innocenti - * \author Stefano Fedrigo - * - * \brief General pourpose graphics routines - */ - -#ifndef GFX_GFX_H -#define GFX_GFX_H - -#include -#include /* CPU_HARVARD */ - -#include /* CONFIG_GFX_* */ - -/** - * \name Known pixel formats for bitmap representation. - * \{ - */ -#define BITMAP_FMT_PLANAR_H_MSB 1 /**< Planar pixels, horizontal bytes, MSB left. */ -#define BITMAP_FMT_PLANAR_V_LSB 2 /**< Planar pixels, vertical bytes, LSB top. */ -/* \} */ - -#if !defined(CONFIG_BITMAP_FMT) || (CONFIG_BITMAP_FMT != BITMAP_FMT_PLANAR_H_MSB && CONFIG_BITMAP_FMT != BITMAP_FMT_PLANAR_V_LSB) - #error CONFIG_BITMAP_FMT must be defined to either BITMAP_FMT_PLANAR_H_LSB or BITMAP_FMT_PLANAR_V_LSB -#endif -#if !defined(CONFIG_GFX_CLIPPING) || (CONFIG_GFX_CLIPPING != 0 && CONFIG_GFX_CLIPPING != 1) - #error CONFIG_GFX_CLIPPING must be defined to either 0 or 1 -#endif -#if !defined(CONFIG_GFX_TEXT) || (CONFIG_GFX_TEXT != 0 && CONFIG_GFX_TEXT != 1) - #error CONFIG_GFX_TEXT must be defined to either 0 or 1 -#endif - -EXTERN_C_BEGIN - -/** Common type for coordinates expressed in pixel units */ -typedef int coord_t; -typedef unsigned int ucoord_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) - -/* Fwd decl */ -struct Font; - -/** - * Control structure to draw in a bitmap - * - * \todo For better ortogonality, split this structure into - * an Image and a plain drawing context called Painter. - */ -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() */ - -#if CONFIG_GFX_CLIPPING || CONFIG_GFX_VCOORDS - Rect cr; /**< Clip drawing inside this rectangle */ -#endif - -#if CONFIG_GFX_TEXT - const struct Font *font;/**< Current font for text rendering. */ - - /** - * Algorithmic text style flags. - * - * The text rendering routine can apply a few simple transformations - * to the current font in order to generate common styles such as - * bold, italic and underline from plain glyphs. - * - * \see text_style() - */ - uint8_t styles; -#endif /* CONFIG_GFX_TEXT */ - -#if CONFIG_GFX_VCOORDS - /** - * \name Logical coordinate system - * \{ - */ - vcoord_t orgX, orgY; - vcoord_t scaleX, scaleY; - /*\}*/ -#endif /* CONFIG_GFX_VCOORDS */ - -} Bitmap; - -/** - * Hold image pixels. - * - * \todo Use this as Bitmap and change Bitmap to Drawable. - */ -typedef struct Image -{ - const uint8_t *raster; /**< Pointer to byte array to hold the data. */ - coord_t width; /**< Raster width in pixels. */ - coord_t height; /**< Raster height in pixels. */ - coord_t stride; /**< Bytes per row. */ -} Image; - -#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 RAST_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 RAST_SIZE(width, height) ( (width) * (((height) + 7) / 8) ) -#else - #error Unknown value of CONFIG_BITMAP_FMT -#endif /* CONFIG_BITMAP_FMT */ - -/* Function prototypes */ -void gfx_bitmapInit (Bitmap *bm, uint8_t *raster, coord_t w, coord_t h); -void gfx_bitmapClear(Bitmap *bm); -void gfx_blit (Bitmap *dst, const Rect *rect, const Bitmap *src, coord_t srcx, coord_t srcy); -void gfx_blitRaster (Bitmap *dst, coord_t dx, coord_t dy, const uint8_t *raster, coord_t w, coord_t h, coord_t stride); -void gfx_blitImage (Bitmap *dst, coord_t dx, coord_t dy, const Image *image); -void gfx_line (Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2); -void gfx_rectDraw (Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2); -void gfx_rectFillC (Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2, uint8_t color); -void gfx_rectFill (Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2); -void gfx_rectClear (Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2); -void gfx_moveTo (Bitmap *bm, coord_t x, coord_t y); -void gfx_lineTo (Bitmap *bm, coord_t x, coord_t y); -void gfx_setClipRect(Bitmap *bm, coord_t xmin, coord_t ymin, coord_t xmax, coord_t ymax); - -#if CPU_HARVARD - #include - void gfx_blit_P(Bitmap *bm, const pgm_uint8_t *raster); -#endif - -#if CONFIG_GFX_TEXT -INLINE void gfx_setFont(Bitmap *bm, const struct Font *font) -{ - bm->font = font; -} -#endif - -#if CONFIG_GFX_VCOORDS -void gfx_setViewRect(Bitmap *bm, vcoord_t x1, vcoord_t y1, vcoord_t x2, vcoord_t y2); -coord_t gfx_transformX(Bitmap *bm, vcoord_t x); -coord_t gfx_transformY(Bitmap *bm, vcoord_t y); -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 */