diff options
| -rw-r--r-- | src/openvg/qpaintengine_vg.cpp | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/openvg/qpaintengine_vg.cpp b/src/openvg/qpaintengine_vg.cpp index 570adfd..ebdfa5f 100644 --- a/src/openvg/qpaintengine_vg.cpp +++ b/src/openvg/qpaintengine_vg.cpp @@ -1024,9 +1024,11 @@ static VGImage toVGImage switch (img.format()) { case QImage::Format_Mono: img = image.convertToFormat(QImage::Format_MonoLSB, flags); + img.invertPixels(); format = VG_BW_1; break; case QImage::Format_MonoLSB: + img.invertPixels(); format = VG_BW_1; break; case QImage::Format_RGB32: @@ -3189,6 +3191,19 @@ void qt_vg_drawVGImageStencil bool QVGPaintEngine::canVgWritePixels(const QImage &image) const { Q_D(const QVGPaintEngine); + + // qt_vg_image_to_vg_format returns VG_sARGB_8888 as + // fallback case if no matching VG format is found. + // If given image format is not Format_ARGB32 and returned + // format is VG_sARGB_8888, it means that no match was + // found. In that case vgWritePixels cannot be used. + // Also 1-bit formats cannot be used directly either. + if ((image.format() != QImage::Format_ARGB32 + && qt_vg_image_to_vg_format(image.format()) == VG_sARGB_8888) + || image.depth() == 1) { + return false; + } + // vgWritePixels ignores masking, blending and xforms so we can only use it if // ALL of the following conditions are true: // - It is a simple translate, or a scale of -1 on the y-axis (inverted) |