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Fix rendering bug with new engine and zoom out (canvas is not updated correctly)

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This commit is contained in:
David Capello 2019-06-11 10:42:41 -03:00
parent 922505e8af
commit 86ffa37fdd
1 changed files with 14 additions and 0 deletions
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14
src/app/ui/editor/editor.cpp
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@ -668,6 +668,20 @@ void Editor::drawOneSpriteUnclippedRect(ui::Graphics* g, const gfx::Rect& sprite
}
if (tmp->nativeHandle()) {
if (newEngine) {
// Without doing something on the "tmp" surface before (like
// just drawing a pixel), we get a strange behavior where
// pixels are not updated correctly on the editor (e.g. when
// zoom < 100%). I didn't have enough time to investigate this
// issue yet, but this is a partial fix/hack.
//
// TODO review why do we need to do this, it looks like some
// internal state of a SkCanvas or SkBitmap thing is
// updated after this, because convert_image_to_surface()
// will overwrite these pixels anyway.
tmp->drawRect(gfx::rgba(0, 0, 0, 255), gfx::Rect(0, 0, 1, 1));
}
convert_image_to_surface(rendered.get(), m_sprite->palette(m_frame),
tmp, 0, 0, 0, 0, rc2.w, rc2.h);