diff options
-rw-r--r-- | unix/xserver/hw/vnc/vncHooks.c | 54 |
1 files changed, 34 insertions, 20 deletions
diff --git a/unix/xserver/hw/vnc/vncHooks.c b/unix/xserver/hw/vnc/vncHooks.c index f3c2520a..5cf2c0d1 100644 --- a/unix/xserver/hw/vnc/vncHooks.c +++ b/unix/xserver/hw/vnc/vncHooks.c @@ -815,20 +815,6 @@ static void vncHooksComposite(CARD8 op, PicturePtr pSrc, PicturePtr pMask, RENDER_EPILOGUE(Composite); } -static int -GlyphCount(int nlist, GlyphListPtr list, GlyphPtr * glyphs) -{ - int count; - - count = 0; - while (nlist--) { - count += list->len; - list++; - } - - return count; -} - static RegionPtr GlyphsToRegion(ScreenPtr pScreen, int nlist, GlyphListPtr list, GlyphPtr *glyphs) { @@ -836,7 +822,7 @@ GlyphsToRegion(ScreenPtr pScreen, int nlist, GlyphListPtr list, GlyphPtr *glyphs GlyphPtr glyph; int x, y; - int nrects = GlyphCount(nlist, list, glyphs); + int nrects = nlist; xRectangle rects[nrects]; xRectanglePtr rect; @@ -844,20 +830,48 @@ GlyphsToRegion(ScreenPtr pScreen, int nlist, GlyphListPtr list, GlyphPtr *glyphs y = 0; rect = &rects[0]; while (nlist--) { + int left, right, top, bottom; + x += list->xOff; y += list->yOff; n = list->len; list++; + + left = INT_MAX; + top = INT_MAX; + right = -INT_MAX; + bottom = -INT_MAX; while (n--) { + int gx, gy, gw, gh; + glyph = *glyphs++; - rect->x = x - glyph->info.x; - rect->y = y - glyph->info.y; - rect->width = glyph->info.width; - rect->height = glyph->info.height; + gx = x - glyph->info.x; + gy = y - glyph->info.y; + gw = glyph->info.width; + gh = glyph->info.height; x += glyph->info.xOff; y += glyph->info.yOff; - rect++; + + if (gx < left) + left = gx; + if (gy < top) + top = gy; + if (gx + gw > right) + right = gx + gw; + if (gy + gh > bottom) + bottom = gy + gh; + } + + rect->x = left; + rect->y = top; + if ((right > left) && (bottom > top)) { + rect->width = right - left; + rect->height = bottom - top; + } else { + rect->width = 0; + rect->height = 0; } + rect++; } return RECTS_TO_REGION(pScreen, nrects, rects, CT_NONE); |