A fork of https://github.com/crosspoint-reader/crosspoint-reader
fix: Fix ghosting on exit of BMPViewer (#1432)
## Summary
* **What is the goal of this PR?** After displaying an image via the
filebrowser ghosting artifacts remained on the screen
* **What changes are included?**
## Additional Context
* Add any other information that might be helpful for the reviewer
(e.g., performance implications, potential risks,
specific areas to focus on).
---
### AI Usage
While CrossPoint doesn't have restrictions on AI tools in contributing,
please be transparent about their usage as it
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Did you use AI tools to help write this code? _**< NO >**_
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src/activities/util/BmpViewerActivity.cpp
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src/activities/util/BmpViewerActivity.cpp
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GUI.drawButtonHints(renderer, labels.btn1, labels.btn2, labels.btn3, labels.btn4);
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// Single pass for non-grayscale images
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renderer.displayBuffer(HalDisplay::FULL_REFRESH);
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renderer.displayBuffer(HalDisplay::HALF_REFRESH);
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} else {
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// Handle file parsing error
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renderer.drawCenteredText(UI_10_FONT_ID, pageHeight / 2, "Invalid BMP File");
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const auto labels = mappedInput.mapLabels(tr(STR_BACK), "", "", "");
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GUI.drawButtonHints(renderer, labels.btn1, labels.btn2, labels.btn3, labels.btn4);
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renderer.displayBuffer(HalDisplay::FAST_REFRESH);
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renderer.displayBuffer(HalDisplay::HALF_REFRESH);
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}
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file.close();
···
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renderer.drawCenteredText(UI_10_FONT_ID, pageHeight / 2, "Could not open file");
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const auto labels = mappedInput.mapLabels(tr(STR_BACK), "", "", "");
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GUI.drawButtonHints(renderer, labels.btn1, labels.btn2, labels.btn3, labels.btn4);
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renderer.displayBuffer(HalDisplay::FULL_REFRESH);
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renderer.displayBuffer(HalDisplay::HALF_REFRESH);
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}
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}
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void BmpViewerActivity::onExit() {
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Activity::onExit();
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renderer.clearScreen();
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renderer.displayBuffer(HalDisplay::FAST_REFRESH);
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renderer.displayBuffer(HalDisplay::HALF_REFRESH);
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}
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void BmpViewerActivity::loop() {