diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw/nxagent/NXglyph.c')
| -rw-r--r-- | nx-X11/programs/Xserver/hw/nxagent/NXglyph.c | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/hw/nxagent/NXglyph.c b/nx-X11/programs/Xserver/hw/nxagent/NXglyph.c index 5d6deae6e..7bf285d1f 100644 --- a/nx-X11/programs/Xserver/hw/nxagent/NXglyph.c +++ b/nx-X11/programs/Xserver/hw/nxagent/NXglyph.c @@ -190,3 +190,192 @@ ResizeGlyphHash (GlyphHashPtr hash, CARD32 change, Bool global) CheckDuplicates (hash, "ResizeGlyphHash bottom"); return TRUE; } + +void +miGlyphs (CARD8 op, + PicturePtr pSrc, + PicturePtr pDst, + PictFormatPtr maskFormat, + INT16 xSrc, + INT16 ySrc, + int nlist, + GlyphListPtr list, + GlyphPtr *glyphs) +{ + PixmapPtr pPixmap = 0; + PicturePtr pPicture; + PixmapPtr pMaskPixmap = 0; + PicturePtr pMask; + ScreenPtr pScreen = pDst->pDrawable->pScreen; + int width = 0, height = 0; + int x, y; + int xDst = list->xOff, yDst = list->yOff; + int n; + GlyphPtr glyph; + int error; + BoxRec extents; + CARD32 component_alpha; + + /* + * Get rid of the warning. + */ + + extents.x1 = 0; + extents.y1 = 0; + + if (maskFormat) + { + GCPtr pGC; + xRectangle rect; + + if (nxagentGlyphsExtents != NullBox) + { + memcpy(&extents, nxagentGlyphsExtents, sizeof(BoxRec)); + } + else + { + nxagentGlyphsExtents = (BoxPtr) malloc(sizeof(BoxRec)); + + GlyphExtents (nlist, list, glyphs, &extents); + + memcpy(nxagentGlyphsExtents, &extents, sizeof(BoxRec)); + } + + if (extents.x2 <= extents.x1 || extents.y2 <= extents.y1) + return; + width = extents.x2 - extents.x1; + height = extents.y2 - extents.y1; + pMaskPixmap = (*pScreen->CreatePixmap) (pScreen, width, height, maskFormat->depth); + + if (!pMaskPixmap) + return; + + component_alpha = NeedsComponent(maskFormat->format); + pMask = CreatePicture (0, &pMaskPixmap->drawable, + maskFormat, CPComponentAlpha, &component_alpha, + serverClient, &error); + + if (!pMask) + { + (*pScreen->DestroyPixmap) (pMaskPixmap); + return; + } + pGC = GetScratchGC (pMaskPixmap->drawable.depth, pScreen); + ValidateGC (&pMaskPixmap->drawable, pGC); + rect.x = 0; + rect.y = 0; + rect.width = width; + rect.height = height; + (*pGC->ops->PolyFillRect) (&pMaskPixmap->drawable, pGC, 1, &rect); + FreeScratchGC (pGC); + x = -extents.x1; + y = -extents.y1; + } + else + { + pMask = pDst; + x = 0; + y = 0; + } + pPicture = 0; + while (nlist--) + { + x += list->xOff; + y += list->yOff; + n = list->len; + + while (n--) + { + glyph = *glyphs++; + if (!pPicture) + { + pPixmap = GetScratchPixmapHeader (pScreen, glyph->info.width, glyph->info.height, + list->format->depth, + list->format->depth, + 0, (void *) (glyph + 1)); + if (!pPixmap) + return; + component_alpha = NeedsComponent(list->format->format); + pPicture = CreatePicture (0, &pPixmap->drawable, list->format, + CPComponentAlpha, &component_alpha, + serverClient, &error); + if (!pPicture) + { + FreeScratchPixmapHeader (pPixmap); + return; + } + } + (*pScreen->ModifyPixmapHeader) (pPixmap, + glyph->info.width, glyph->info.height, + 0, 0, -1, (void *) (glyph + 1)); + + /* + * The following line fixes a problem with glyphs that appeared + * as clipped. It was a side effect due the validate function + * "ValidatePicture" that makes a check on the Drawable serial + * number instead of the picture serial number, failing thus + * the clip mask update. + */ + + pPicture->pDrawable->serialNumber = NEXT_SERIAL_NUMBER; + + pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER; + if (maskFormat) + { + CompositePicture (PictOpAdd, + pPicture, + None, + pMask, + 0, 0, + 0, 0, + x - glyph->info.x, + y - glyph->info.y, + glyph->info.width, + glyph->info.height); + } + else + { + CompositePicture (op, + pSrc, + pPicture, + pDst, + xSrc + (x - glyph->info.x) - xDst, + ySrc + (y - glyph->info.y) - yDst, + 0, 0, + x - glyph->info.x, + y - glyph->info.y, + glyph->info.width, + glyph->info.height); + } + x += glyph->info.xOff; + y += glyph->info.yOff; + } + + list++; + if (pPicture) + { + FreeScratchPixmapHeader (pPixmap); + FreePicture ((void *) pPicture, 0); + pPicture = 0; + pPixmap = 0; + } + } + if (maskFormat) + { + x = extents.x1; + y = extents.y1; + CompositePicture (op, + pSrc, + pMask, + pDst, + xSrc + x - xDst, + ySrc + y - yDst, + 0, 0, + x, y, + width, height); + + FreePicture ((void *) pMask, (XID) 0); + (*pScreen->DestroyPixmap) (pMaskPixmap); + } + +} |