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Fix problems because excessive zoom out

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* Crash when the checked background is too small
* Infinite loop to draw the grid
This commit is contained in:
David Capello 2014-11-27 23:48:53 -03:00
parent adf08ac7df
commit 5c9c05ebe7
2 changed files with 5 additions and 0 deletions
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2
src/app/ui/editor/editor.cpp
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@ -666,6 +666,8 @@ void Editor::drawGrid(Graphics* g, const gfx::Rect& spriteBounds, const Rect& gr
// Convert the "grid" rectangle to screen coordinates
grid = editorToScreen(grid);
if (grid.w < 1 || grid.h < 1)
return;
// Adjust for client area
gfx::Rect bounds = getBounds();

3
src/app/util/render.cpp
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@ -613,6 +613,9 @@ void RenderEngine::renderCheckedBackground(Image* image,
if (tile_w < zoom.apply(1)) tile_w = zoom.apply(1);
if (tile_h < zoom.apply(1)) tile_h = zoom.apply(1);
if (tile_w < 1) tile_w = 1;
if (tile_h < 1) tile_h = 1;
// Tile position (u,v) is the number of tile we start in (source_x,source_y) coordinate
u = (source_x / tile_w);
v = (source_y / tile_h);