X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=gfx%2Fbitmap.c;h=1cc13aea7b0292f24d689235107989cd664a40c9;hb=HEAD;hp=36bd24ddd3f2acac143d3d94f626091863d5c64e;hpb=1661811803a323488afb5617a01a3263ecff9d9c;p=bertos.git diff --git a/gfx/bitmap.c b/gfx/bitmap.c deleted file mode 100755 index 36bd24dd..00000000 --- a/gfx/bitmap.c +++ /dev/null @@ -1,251 +0,0 @@ -/*! - * \file - * - * - * \version $Id$ - * - * \author Bernardo Innocenti - * \author Stefano Fedrigo - * - * \brief Bitmap manipulation routines. - */ - -/*#* - *#* $Log$ - *#* Revision 1.9 2006/05/25 23:35:40 bernie - *#* Cleanup. - *#* - *#* Revision 1.8 2006/03/27 04:48:56 bernie - *#* gfx_blitImage(): New function; gfx_blitRaster(): Fix clipping bug. - *#* - *#* Revision 1.7 2006/03/07 22:18:04 bernie - *#* Correctly compute text width for prop fonts; Make styles a per-bitmap attribute. - *#* - *#* Revision 1.6 2006/02/23 11:17:16 bernie - *#* Documentation fixes. - *#* - *#* Revision 1.5 2006/02/15 09:10:15 bernie - *#* Implement prop fonts; Fix algo styles. - *#* - *#* Revision 1.4 2006/02/10 12:32:33 bernie - *#* Add multiple font support in bitmaps; gfx_blitRaster(): New function. - *#* - *#* Revision 1.3 2006/01/26 00:36:48 bernie - *#* Const correctness for some new functions. - *#* - *#* Revision 1.2 2006/01/24 21:55:43 aleph - *#* gfx_blit_P(): use RASTER_SIZE() to calculate raster size - *#* - *#* Revision 1.1 2006/01/24 02:17:49 bernie - *#* Split out gfx.c into bitmap.c and line.c. - *#* - *#*/ - -#include "gfx.h" -#include "gfx_p.h" - -#include /* ASSERT() */ -#include /* CPU_HARVARD */ -#include /* MIN() */ -#include /* CONFIG_GFX_CLIPPING */ - -#include /* memset() */ - -#if CONFIG_GFX_TEXT -#include /* default_font */ -#endif - - -/*! - * Initialize a Bitmap structure with the provided parameters. - * - * \note The pen position is reset to the origin. - */ -void gfx_bitmapInit(Bitmap *bm, uint8_t *raster, coord_t w, coord_t h) -{ - bm->raster = raster; - bm->width = w; - bm->height = h; - #if (CONFIG_BITMAP_FMT == BITMAP_FMT_PLANAR_H_MSB) - bm->stride = (w + 7) / 8; - #elif CONFIG_BITMAP_FMT == BITMAP_FMT_PLANAR_V_LSB - bm->stride = w; - #else - #error Unknown value of CONFIG_BITMAP_FMT - #endif /* CONFIG_BITMAP_FMT */ - bm->penX = 0; - bm->penY = 0; - -#if CONFIG_GFX_TEXT - gfx_setFont(bm, &default_font); - bm->styles = 0; -#endif - -#if CONFIG_GFX_CLIPPING - bm->cr.xmin = 0; - bm->cr.ymin = 0; - bm->cr.xmax = w; - bm->cr.ymax = h; -#endif /* CONFIG_GFX_CLIPPING */ -} - - -/*! - * Clear the whole bitmap surface to the background color. - * - * \note This function does \b not update the current pen position. - * \note This function bypasses the current clipping area. - */ -void gfx_bitmapClear(Bitmap *bm) -{ - memset(bm->raster, 0, RASTER_SIZE(bm->width, bm->height)); -} - - -#if CPU_HARVARD - -#include /* FIXME: memcpy_P() */ - -/*! - * Copy a raster picture located in program memory in the bitmap. - * The size of the raster to copy *must* be the same of the raster bitmap. - * - * \note This function does \b not update the current pen position - */ -void gfx_blit_P(Bitmap *bm, const pgm_uint8_t *raster) -{ - memcpy_P(bm->raster, raster, RASTER_SIZE(bm->width, bm->height)); -} -#endif /* CPU_HARVARD */ - -/** - * Copy a rectangular area of a bitmap on another bitmap. - * - * Blitting is a common copy operation involving two bitmaps. - * A rectangular area of the source bitmap is copied bit-wise - * to a different position in the destination bitmap. - * - * \note Using the same bitmap for \a src and \a dst is unsupported. - * - * \param dst Bitmap where the operation writes. - * \param rect The (xmin;ymin) coordinates provide the top/left offset - * for drawing in the destination bitmap. If the source - * bitmap is larger than the rectangle, drawing is clipped. - * \param src Bitmap containing the source pixels. - * \param srcx Starting X offset in the source bitmap. - * \param srcy Starting Y offset in the source bitmap. - */ -void gfx_blit(Bitmap *dst, const Rect *rect, const Bitmap *src, coord_t srcx, coord_t srcy) -{ - coord_t dxmin, dymin, dxmax, dymax; - coord_t dx, dy, sx, sy; - - /* - * Clip coordinates inside dst->cr and src->width/height. - */ - dxmin = rect->xmin; - if (dxmin < dst->cr.xmin) - { - srcx += dst->cr.xmin - dxmin; - dxmin = dst->cr.xmin; - } - dymin = rect->ymin; - if (dymin < dst->cr.ymin) - { - srcy += dst->cr.ymin - dymin; - dymin = dst->cr.ymin; - } - dxmax = MIN(MIN(rect->xmax, rect->xmin + src->width), dst->cr.xmax); - dymax = MIN(MIN(rect->ymax, rect->ymin + src->height), dst->cr.ymax); - - /* TODO: make it not as dog slow as this */ - for (dx = dxmin, sx = srcx; dx < dxmax; ++dx, ++sx) - for (dy = dymin, sy = srcy; dy < dymax; ++dy, ++sy) - BM_DRAWPIXEL(dst, dx, dy, BM_READPIXEL(src, sx, sy)); -} - - -/** - * Blit a raster to a Bitmap. - * - * \see gfx_blit() - */ -void gfx_blitRaster(Bitmap *dst, coord_t dxmin, coord_t dymin, - const uint8_t *raster, coord_t w, coord_t h, coord_t stride) -{ - coord_t dxmax = dxmin + w, dymax = dymin + h; - coord_t sxmin = 0, symin = 0; - coord_t dx, dy, sx, sy; - - /* - * Clip coordinates inside dst->cr. - */ - if (dxmin < dst->cr.xmin) - { - sxmin += dst->cr.xmin - dxmin; - dxmin = dst->cr.xmin; - } - if (dymin < dst->cr.ymin) - { - symin += dst->cr.ymin - dymin; - dymin = dst->cr.ymin; - } - dxmax = MIN(dxmax, dst->cr.xmax); - dymax = MIN(dymax, dst->cr.ymax); - - //kprintf("dxmin=%d, sxmin=%d, dxmax=%d; ", dxmin, sxmin, dxmax); - //kprintf("dymin=%d, symin=%d, dymax=%d\n", dymin, symin, dymax); - - /* TODO: make it not as dog slow as this */ - for (dx = dxmin, sx = sxmin; dx < dxmax; ++dx, ++sx) - for (dy = dymin, sy = symin; dy < dymax; ++dy, ++sy) - BM_DRAWPIXEL(dst, dx, dy, RAST_READPIXEL(raster, sx, sy, stride)); -} - -/** - * Blit an Image to a Bitmap. - * - * \see gfx_blit() - */ -void gfx_blitImage(Bitmap *dst, coord_t dxmin, coord_t dymin, const Image *image) -{ - ASSERT(image); - - gfx_blitRaster(dst, dxmin, dymin, - image->raster, image->width, image->height, image->stride); -} - - -/*! - * Set the bitmap clipping rectangle to the specified coordinates. - * - * All drawing performed on the bitmap will be clipped inside this - * rectangle. - * - * \note Following the convention used in all other operations, the - * top-left pixels of the rectangle are included, while the - * bottom-right pixels are considered outside the clipping region. - */ -void gfx_setClipRect(Bitmap *bm, coord_t minx, coord_t miny, coord_t maxx, coord_t maxy) -{ - ASSERT(minx < maxx); - ASSERT(miny < maxy); - ASSERT(miny >= 0); - ASSERT(minx >= 0); - ASSERT(maxx <= bm->width); - ASSERT(maxy <= bm->height); - - bm->cr.xmin = minx; - bm->cr.ymin = miny; - bm->cr.xmax = maxx; - bm->cr.ymax = maxy; - -/* kprintf("cr.xmin = %d, cr.ymin = %d, cr.xmax = %d, cr.ymax = %d\n", - bm->cr.xMin, bm->cr.ymin, bm->cr.xmax, bm->cr.ymax); -*/ -} -