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fix possible crash when texture size is 0

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This commit is contained in:
tildearrow 2024-05-14 15:06:06 -05:00
parent 8cfd37b6f5
commit 4247faa97c
3 changed files with 8 additions and 0 deletions
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2
src/gui/intro.cpp
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@ -27,6 +27,8 @@ void FurnaceGUI::drawImage(ImDrawList* dl, FurnaceGUIImages image, const ImVec2&
FurnaceGUIImage* imgI=getImage(image);
FurnaceGUITexture* img=getTexture(image);
if (img==NULL) return;
float squareSize=MAX(introMax.x-introMin.x,introMax.y-introMin.y);
float uDiff=uvMax.x-uvMin.x;
float vDiff=uvMax.y-uvMin.y;

4
src/gui/render/renderDX9.cpp
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@ -50,11 +50,15 @@ ImTextureID FurnaceGUIRenderDX9::getTextureID(FurnaceGUITexture* which) {
float FurnaceGUIRenderDX9::getTextureU(FurnaceGUITexture* which) {
FurnaceDX9Texture* t=(FurnaceDX9Texture*)which;
if (which==NULL) return 0.0;
if (t->widthReal<1) return 0.0f;
return (float)t->width/(float)t->widthReal;
}
float FurnaceGUIRenderDX9::getTextureV(FurnaceGUITexture* which) {
FurnaceDX9Texture* t=(FurnaceDX9Texture*)which;
if (which==NULL) return 0.0;
if (t->heightReal<1) return 0.0f;
return (float)t->height/(float)t->heightReal;
}

2
src/gui/render/renderGL1.cpp
View file

@ -46,11 +46,13 @@ ImTextureID FurnaceGUIRenderGL1::getTextureID(FurnaceGUITexture* which) {
float FurnaceGUIRenderGL1::getTextureU(FurnaceGUITexture* which) {
FurnaceGL1Texture* t=(FurnaceGL1Texture*)which;
if (t->widthReal<1) return 0.0f;
return (float)t->width/(float)t->widthReal;
}
float FurnaceGUIRenderGL1::getTextureV(FurnaceGUITexture* which) {
FurnaceGL1Texture* t=(FurnaceGL1Texture*)which;
if (t->heightReal<1) return 0.0f;
return (float)t->height/(float)t->heightReal;
}