X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=gfx%2Fbitmap.c;h=01ae977a105d4782e14910d989c3e22abc1c71c9;hb=9f6832426387c3730bf2c9b6202db9eb8d159f42;hp=8aef8a84f80cb2f132f2a05bb5de60d314da72da;hpb=ca8daf282873c035853a69a1fa444810d0cb5de1;p=bertos.git diff --git a/gfx/bitmap.c b/gfx/bitmap.c index 8aef8a84..01ae977a 100755 --- a/gfx/bitmap.c +++ b/gfx/bitmap.c @@ -16,6 +16,12 @@ /*#* *#* $Log$ + *#* 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. *#* @@ -37,6 +43,11 @@ #include /* memset() */ +#if CONFIG_GFX_TEXT +#include /* default_font */ +#endif + + /*! * Initialize a Bitmap structure with the provided parameters. * @@ -57,6 +68,10 @@ void gfx_bitmapInit(Bitmap *bm, uint8_t *raster, coord_t w, coord_t h) bm->penX = 0; bm->penY = 0; +#if CONFIG_GFX_TEXT + gfx_setFont(bm, &default_font); +#endif + #if CONFIG_GFX_CLIPPING bm->cr.xmin = 0; bm->cr.ymin = 0; @@ -135,6 +150,35 @@ void gfx_blit(Bitmap *dst, const Rect *rect, const Bitmap *src, coord_t srcx, co } +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, dymax; + 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(dxmin + w, dst->cr.xmax); + dymax = MIN(dymin + h, dst->cr.ymax); + + /* 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)); +} + + /*! * Set the bitmap clipping rectangle to the specified coordinates. * @@ -163,3 +207,4 @@ void gfx_setClipRect(Bitmap *bm, coord_t minx, coord_t miny, coord_t maxx, coord bm->cr.xMin, bm->cr.ymin, bm->cr.xmax, bm->cr.ymax); */ } +