diff options
Diffstat (limited to 'src/gui/image')
| -rw-r--r-- | src/gui/image/qgifhandler.cpp | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/src/gui/image/qgifhandler.cpp b/src/gui/image/qgifhandler.cpp index cedb27c..b60d1a1 100644 --- a/src/gui/image/qgifhandler.cpp +++ b/src/gui/image/qgifhandler.cpp @@ -488,7 +488,7 @@ int QGIFFormat::decode(QImage *image, const uchar *buffer, int length, } else { if (needfirst) { firstcode=oldcode=code; - if (!out_of_bounds && image->height() > y && firstcode!=trans_index) + if (!out_of_bounds && image->height() > y && ((frame == 0) || (firstcode != trans_index))) ((QRgb*)FAST_SCAN_LINE(bits, bpl, y))[x] = color(firstcode); x++; if (x>=swidth) out_of_bounds = true; @@ -540,17 +540,13 @@ int QGIFFormat::decode(QImage *image, const uchar *buffer, int length, } oldcode=incode; const int h = image->height(); - const QRgb *map = lcmap ? localcmap : globalcmap; QRgb *line = 0; if (!out_of_bounds && h > y) line = (QRgb*)FAST_SCAN_LINE(bits, bpl, y); while (sp>stack) { const uchar index = *(--sp); - if (!out_of_bounds && h > y && index!=trans_index) { - if (index > ncols) - line[x] = Q_TRANSPARENT; - else - line[x] = map ? map[index] : 0; + if (!out_of_bounds && h > y && ((frame == 0) || (index != trans_index))) { + line[x] = color(index); } x++; if (x>=swidth) out_of_bounds = true; @@ -1031,11 +1027,12 @@ void QGIFFormat::nextY(unsigned char *bits, int bpl) inline QRgb QGIFFormat::color(uchar index) const { - if (index == trans_index || index > ncols) + if (index > ncols) return Q_TRANSPARENT; QRgb *map = lcmap ? localcmap : globalcmap; - return map ? map[index] : 0; + QRgb col = map ? map[index] : 0; + return index == trans_index ? col & Q_TRANSPARENT : col; } //------------------------------------------------------------------------- |