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[escher] BurgerMenuView: when drawRect, reinitialize the rectangle to

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avoid corruption when re-drawing above a burger. Indeed,
blendRectWithMask pulls the current color to blend it.
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Émilie Feral
2020-01-16 15:12:50 +01:00
committed by Léa Saviot
parent 764277fbb8
commit 3d3189d0dd
1 changed files with 5 additions and 0 deletions
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5
escher/src/burger_menu_view.cpp
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@@ -41,7 +41,12 @@ void BurgerMenuView::drawRect(KDContext * ctx, KDRect rect) const {
KDCoordinate heightCenter = bounds().height()/2;
KDCoordinate burgerHalfSize = k_burgerSize/2;
KDRect frame(widthCenter - burgerHalfSize, heightCenter - burgerHalfSize, k_burgerSize, k_burgerSize);
// Reinitialize the color of the rectangle to avoid corruptions after successive drawings of burger view
KDColor sample = ctx->getPixel(KDPointZero);
ctx->fillRect(bounds(), sample);
// Draw the circle
ctx->blendRectWithMask(frame, m_backgroundColor, (const uint8_t *)sCircleMask, sBurgerWorkingBuffer);
// Draw the burger
ctx->blendRectWithMask(frame, KDColorBlack, (const uint8_t *)sBurgerMask, sBurgerWorkingBuffer);
}