void fbComposite(CARD8 op, PicturePtr pSrc, PicturePtr pMask, PicturePtr pDst, INT16 xSrc, INT16 ySrc, INT16 xMask, INT16 yMask, INT16 xDst, INT16 yDst, CARD16 width, CARD16 height) { pixman_image_t *src, *mask, *dest; int src_xoff, src_yoff; int msk_xoff, msk_yoff; int dst_xoff, dst_yoff; miCompositeSourceValidate(pSrc); if (pMask) miCompositeSourceValidate(pMask); src = image_from_pict(pSrc, FALSE, &src_xoff, &src_yoff); mask = image_from_pict(pMask, FALSE, &msk_xoff, &msk_yoff); dest = image_from_pict(pDst, TRUE, &dst_xoff, &dst_yoff); if (src && dest && !(pMask && !mask)) { pixman_image_composite(op, src, mask, dest, xSrc + src_xoff, ySrc + src_yoff, xMask + msk_xoff, yMask + msk_yoff, xDst + dst_xoff, yDst + dst_yoff, width, height); } free_pixman_pict(pSrc, src); free_pixman_pict(pMask, mask); free_pixman_pict(pDst, dest); }
Bool miComputeCompositeRegion (RegionPtr pRegion, PicturePtr pSrc, PicturePtr pMask, PicturePtr pDst, INT16 xSrc, INT16 ySrc, INT16 xMask, INT16 yMask, INT16 xDst, INT16 yDst, CARD16 width, CARD16 height) { int v; pRegion->extents.x1 = xDst; v = xDst + width; pRegion->extents.x2 = BOUND(v); pRegion->extents.y1 = yDst; v = yDst + height; pRegion->extents.y2 = BOUND(v); pRegion->data = 0; /* Check for empty operation */ if (pRegion->extents.x1 >= pRegion->extents.x2 || pRegion->extents.y1 >= pRegion->extents.y2) { pixman_region_init (pRegion); return FALSE; } /* clip against dst */ if (!miClipPictureReg (pRegion, pDst->pCompositeClip, 0, 0)) { pixman_region_fini (pRegion); return FALSE; } if (pDst->alphaMap) { if (!miClipPictureReg (pRegion, pDst->alphaMap->pCompositeClip, -pDst->alphaOrigin.x, -pDst->alphaOrigin.y)) { pixman_region_fini (pRegion); return FALSE; } } /* clip against src */ if (!miClipPictureSrc (pRegion, pSrc, xDst - xSrc, yDst - ySrc)) { pixman_region_fini (pRegion); return FALSE; } if (pSrc->alphaMap) { if (!miClipPictureSrc (pRegion, pSrc->alphaMap, xDst - (xSrc - pSrc->alphaOrigin.x), yDst - (ySrc - pSrc->alphaOrigin.y))) { pixman_region_fini (pRegion); return FALSE; } } /* clip against mask */ if (pMask) { if (!miClipPictureSrc (pRegion, pMask, xDst - xMask, yDst - yMask)) { pixman_region_fini (pRegion); return FALSE; } if (pMask->alphaMap) { if (!miClipPictureSrc (pRegion, pMask->alphaMap, xDst - (xMask - pMask->alphaOrigin.x), yDst - (yMask - pMask->alphaOrigin.y))) { pixman_region_fini (pRegion); return FALSE; } } } miCompositeSourceValidate (pSrc); if (pMask) miCompositeSourceValidate (pMask); return TRUE; }
void fbGlyphs(CARD8 op, PicturePtr pSrc, PicturePtr pDst, PictFormatPtr maskFormat, INT16 xSrc, INT16 ySrc, int nlist, GlyphListPtr list, GlyphPtr *glyphs) { #define N_STACK_GLYPHS 512 ScreenPtr pScreen = pDst->pDrawable->pScreen; pixman_glyph_t stack_glyphs[N_STACK_GLYPHS]; pixman_glyph_t *pglyphs = stack_glyphs; pixman_image_t *srcImage, *dstImage; int srcXoff, srcYoff, dstXoff, dstYoff; GlyphPtr glyph; int n_glyphs; int x, y; int i, n; int xDst = list->xOff, yDst = list->yOff; miCompositeSourceValidate(pSrc); n_glyphs = 0; for (i = 0; i < nlist; ++i) n_glyphs += list[i].len; if (!glyphCache) glyphCache = pixman_glyph_cache_create(); pixman_glyph_cache_freeze (glyphCache); if (n_glyphs > N_STACK_GLYPHS) { if (!(pglyphs = malloc (n_glyphs * sizeof (pixman_glyph_t)))) goto out; } i = 0; x = y = 0; while (nlist--) { x += list->xOff; y += list->yOff; n = list->len; while (n--) { const void *g; glyph = *glyphs++; if (!(g = pixman_glyph_cache_lookup (glyphCache, glyph, NULL))) { pixman_image_t *glyphImage; PicturePtr pPicture; int xoff, yoff; pPicture = GetGlyphPicture(glyph, pScreen); if (!pPicture) { n_glyphs--; goto next; } if (!(glyphImage = image_from_pict(pPicture, FALSE, &xoff, &yoff))) goto out; g = pixman_glyph_cache_insert(glyphCache, glyph, NULL, glyph->info.x, glyph->info.y, glyphImage); free_pixman_pict(pPicture, glyphImage); if (!g) goto out; } pglyphs[i].x = x; pglyphs[i].y = y; pglyphs[i].glyph = g; i++; next: x += glyph->info.xOff; y += glyph->info.yOff; } list++; } if (!(srcImage = image_from_pict(pSrc, FALSE, &srcXoff, &srcYoff))) goto out; if (!(dstImage = image_from_pict(pDst, TRUE, &dstXoff, &dstYoff))) goto out_free_src; if (maskFormat) { pixman_format_code_t format; pixman_box32_t extents; format = maskFormat->format | (maskFormat->depth << 24); pixman_glyph_get_extents(glyphCache, n_glyphs, pglyphs, &extents); pixman_composite_glyphs(op, srcImage, dstImage, format, xSrc + srcXoff + extents.x1 - xDst, ySrc + srcYoff + extents.y1 - yDst, extents.x1, extents.y1, extents.x1 + dstXoff, extents.y1 + dstYoff, extents.x2 - extents.x1, extents.y2 - extents.y1, glyphCache, n_glyphs, pglyphs); } else { pixman_composite_glyphs_no_mask(op, srcImage, dstImage, xSrc + srcXoff - xDst, ySrc + srcYoff - yDst, dstXoff, dstYoff, glyphCache, n_glyphs, pglyphs); } free_pixman_pict(pDst, dstImage); out_free_src: free_pixman_pict(pSrc, srcImage); out: pixman_glyph_cache_thaw(glyphCache); if (pglyphs != stack_glyphs) free(pglyphs); }