X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=gfx%2Fbitmap.c;h=c94306a9a0e939d128ed5d6d27b5d9e5dc721e75;hb=HEAD;hp=b7ed197c66dcb14f74fb3f5f4364df3c500e775e;hpb=6c1e871a96baf4245a04f0135d00fbea59af041c;p=bertos.git diff --git a/gfx/bitmap.c b/gfx/bitmap.c deleted file mode 100755 index b7ed197c..00000000 --- a/gfx/bitmap.c +++ /dev/null @@ -1,240 +0,0 @@ -/** - * \file - * - * - * \author Bernardo Innocenti - * \author Stefano Fedrigo - * - * \brief Bitmap manipulation routines. - */ - -#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, RAST_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, RAST_SIZE(bm->width, bm->height)); -} -#endif /* CPU_HARVARD */ - -#if CONFIG_GFX_CLIPPING - /** - * Clip destination coordinates inside a clipping range. - * - * This macro helps a drawing operation to adjust its - * destination X and Y coordinates inside the destination - * clipping range. - * - * The source start coordinate is adjusted as well - * when destination start clipping occurs. - */ - #define gfx_clip(dmin, dmax, smin, cmin, cmax) \ - do { \ - if ((dmin) < (cmin)) \ - { \ - (smin) += (cmin) - (dmin); \ - (dmin) = (cmin); \ - } \ - (dmax) = MIN((dmax), (cmax)); \ - } while(0) - -#else /* !CONFIG_GFX_CLIPPING */ - - #define gfx_clip(dmin, dmax, smin, cmin, cmax) do { } while (0) - -#endif /* !CONFIG_GFX_CLIPPING */ - - -/** - * 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; - - /* - * Pre-clip coordinates inside src->width/height. - */ - dxmin = rect->xmin; - dymin = rect->ymin; - dxmax = MIN(rect->xmax, rect->xmin + src->width); - dymax = MIN(rect->ymax, rect->ymin + src->height); - - /* Perform regular clipping */ - gfx_clip(dxmin, dxmax, srcx, dst->cr.xmin, dst->cr.xmax); - gfx_clip(dymin, dymax, srcy, dst->cr.ymin, 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 = 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. - * - * \todo Merge this function into gfx_blit() - * - * \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; - - /* Perform regular clipping */ - gfx_clip(dxmin, dxmax, sxmin, dst->cr.xmin, dst->cr.xmax); - gfx_clip(dymin, dymax, symin, dst->cr.ymin, 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); -} - - -#if CONFIG_GFX_CLIPPING || CONFIG_GFX_VCOORDS - -/** - * Set the bitmap clipping rectangle to the specified coordinates. - * - * All drawing performed on the bitmap will be clipped inside this - * rectangle. - * - * The clipping rectangle is also used as a bounding box for the - * logical view of the virtual coordinate system. - * - * \note Following the convention used for all other operations, the - * top-left pixels of the rectangle are included, while the - * bottom-right pixels are considered outside the clipping region. - * - * \see gfx_setViewRect - */ -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); -} - -#endif /* CONFIG_GFX_CLIPPING */ -