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Issue #213: fix crash in ResizePngImage(), due to small scaling factor

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Ansgar Becker
2018-11-05 07:47:24 +01:00
parent 1e92d36cea
commit 953cce3b58
1 changed files with 2 additions and 2 deletions
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4
source/apphelpers.pas
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@ -3064,8 +3064,8 @@ begin
else
new_colortype := COLOR_RGB;
bTmp := TPNGImage.CreateBlank(new_colortype, 8, NewWidth, NewHeight);
xscale := bTmp.Width / (aPng.Width-0.35); // Modified: (was -1) substract minimal value before AlphaScanline crashes
yscale := bTmp.Height / (aPng.Height-0.35);
xscale := bTmp.Width / (aPng.Width-1);
yscale := bTmp.Height / (aPng.Height-1);
for to_y:=0 to bTmp.Height-1 do begin
sfrom_y := to_y / yscale;
ifrom_y := Trunc(sfrom_y);