daniel/QTeletextMaker
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Clear the background when exporting image in Mix mode

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An attempt to solve GH-12 where exporting an image as PNG in Mix mode would
have the blue background instead of being transparent.
This commit is contained in:
Gavin MacGregor
2025-11-26 16:45:21 +00:00
parent 53fb6f0aad
commit dbbeea9d30
1 changed files with 6 additions and 0 deletions
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6
src/qteletextmaker/mainwindow.cpp
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@@ -191,6 +191,9 @@ void MainWindow::extractImages(QImage sceneImage[], bool smooth, bool flashExtra
// Prepare widget image for extraction // Prepare widget image for extraction
m_textScene->hideGUIElements(true); m_textScene->hideGUIElements(true);
if (m_textWidget->pageRender()->renderMode() == TeletextPageRender::RenderMix)
m_textScene->setBackgroundBrush(Qt::NoBrush);
const int flashTiming = flashExtract ? m_textWidget->flashTiming() : 0; const int flashTiming = flashExtract ? m_textWidget->flashTiming() : 0;
// Allocate initial image, with additional images for flashing if necessary // Allocate initial image, with additional images for flashing if necessary
@@ -221,6 +224,9 @@ void MainWindow::extractImages(QImage sceneImage[], bool smooth, bool flashExtra
} }
// Now we've extracted the image we can put the GUI things back // Now we've extracted the image we can put the GUI things back
if (m_textWidget->pageRender()->renderMode() == TeletextPageRender::RenderMix)
m_textScene->setBackgroundBrush(QColor(40, 54, 96));
m_textScene->hideGUIElements(false); m_textScene->hideGUIElements(false);
m_textWidget->resumeFlash(); m_textWidget->resumeFlash();