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Diffstat (limited to 'src/gui/text/qfontengine_qpf.cpp')
-rw-r--r--src/gui/text/qfontengine_qpf.cpp14
1 files changed, 12 insertions, 2 deletions
diff --git a/src/gui/text/qfontengine_qpf.cpp b/src/gui/text/qfontengine_qpf.cpp
index 136737d..a0593cc 100644
--- a/src/gui/text/qfontengine_qpf.cpp
+++ b/src/gui/text/qfontengine_qpf.cpp
@@ -920,8 +920,18 @@ void QFontEngineQPF::loadGlyph(glyph_t glyph)
if (!renderingFontEngine)
return;
-
- QImage img = renderingFontEngine->alphaMapForGlyph(glyph).convertToFormat(QImage::Format_Indexed8);
+ QImage img = renderingFontEngine->alphaMapForGlyph(glyph);
+ if (img.format() != QImage::Format_Indexed8) {
+ bool mono = img.depth() == 1;
+ img = img.convertToFormat(QImage::Format_Indexed8);
+ if (mono) {
+ //### we know that 1 is opaque and 0 is transparent
+ uchar *byte = img.bits();
+ int count = img.byteCount();
+ while (count--)
+ *byte++ *= 0xff;
+ }
+ }
glyph_metrics_t metrics = renderingFontEngine->boundingBox(glyph);
renderingFontEngine->removeGlyphFromCache(glyph);