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Fix Eraser brush preview problems when the brush size is changed with the slider

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This commit is contained in:
David Capello 2015-07-06 13:38:34 -03:00
parent c6de475556
commit a94fbe7fd8
2 changed files with 11 additions and 5 deletions
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15
src/app/ui/editor/brush_preview.cpp
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@ -41,6 +41,7 @@ using namespace doc;
std::vector<gfx::Color> BrushPreview::m_savedPixels;
int BrushPreview::m_savedPixelsIterator;
int BrushPreview::m_savedPixelsLimit;
BrushPreview::BrushPreview(Editor* editor)
: m_editor(editor)
@ -328,6 +329,8 @@ void BrushPreview::forEachBrushPixel(
// little dot inside the active pixel)
if (m_editor->zoom().scale() >= 4.0)
(this->*pixelDelegate)(g, screenPos, color);
m_savedPixelsLimit = m_savedPixelsIterator;
}
void BrushPreview::traceCrossPixels(
@ -462,12 +465,14 @@ void BrushPreview::drawPixelDelegate(ui::Graphics* gfx, const gfx::Point& pt, gf
void BrushPreview::clearPixelDelegate(ui::Graphics* g, const gfx::Point& pt, gfx::Color color)
{
if (m_savedPixelsIterator < (int)m_savedPixels.size()) {
if (m_clippingRegion.contains(pt))
g->putPixel(m_savedPixels[m_savedPixelsIterator++], pt.x, pt.y);
else if (!m_oldClippingRegion.isEmpty() &&
m_oldClippingRegion.contains(pt))
m_savedPixelsIterator++;
if (m_oldClippingRegion.contains(pt)) {
if (m_clippingRegion.contains(pt))
g->putPixel(m_savedPixels[m_savedPixelsIterator], pt.x, pt.y);
++m_savedPixelsIterator;
}
}
ASSERT(m_savedPixelsIterator <= m_savedPixelsLimit);
}
} // namespace app

1
src/app/ui/editor/brush_preview.h
View File

@ -96,6 +96,7 @@ namespace app {
static std::vector<gfx::Color> m_savedPixels;
static int m_savedPixelsIterator;
static int m_savedPixelsLimit;
gfx::Region m_clippingRegion;
gfx::Region m_oldClippingRegion;