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Fixed glitches during zoom-in effect, caused by unsigned arithmetic

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git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/branches/irrlicht@4297 178a84e3-b1eb-0310-8ba1-8eac791a3b58
This commit is contained in:
auria 2009-12-15 03:04:09 +00:00
parent 1690b0fedf
commit 8a2e507d93
1 changed files with 26 additions and 16 deletions
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42
src/guiengine/skin.cpp
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@ -591,10 +591,10 @@ void Skin::drawButton(Widget* w, const core::rect< s32 > &rect, const bool press
core::position2d<u32> center = core::position2d<u32>(irr_driver->getFrameSize()/2);
const float texture_size = sin(m_dialog_size*M_PI*0.5f);
sized_rect.UpperLeftCorner.X = center.X + (int)((rect.UpperLeftCorner.X - center.X)*texture_size);
sized_rect.UpperLeftCorner.Y = center.Y + (int)((rect.UpperLeftCorner.Y - center.Y)*texture_size);
sized_rect.LowerRightCorner.X = center.X + (int)((rect.LowerRightCorner.X - center.X)*texture_size);
sized_rect.LowerRightCorner.Y = center.Y + (int)((rect.LowerRightCorner.Y - center.Y)*texture_size);
sized_rect.UpperLeftCorner.X = center.X + (int)(((int)rect.UpperLeftCorner.X - (int)center.X)*texture_size);
sized_rect.UpperLeftCorner.Y = center.Y + (int)(((int)rect.UpperLeftCorner.Y - (int)center.Y)*texture_size);
sized_rect.LowerRightCorner.X = center.X + (int)(((int)rect.LowerRightCorner.X - (int)center.X)*texture_size);
sized_rect.LowerRightCorner.Y = center.Y + (int)(((int)rect.LowerRightCorner.Y - (int)center.Y)*texture_size);
if (focused)
drawBoxFromStretchableTexture(w, sized_rect, SkinConfig::m_render_params["button::focused"]);
@ -942,11 +942,21 @@ void Skin::drawIconButton(const core::rect< s32 > &rect, Widget* widget, const b
{
core::position2d<u32> center = core::position2d<u32>(irr_driver->getFrameSize()/2);
const float texture_size = sin(m_dialog_size*M_PI*0.5f);
sized_rect.UpperLeftCorner.X = center.X + (int)(((int)rect.UpperLeftCorner.X - (int)center.X)*texture_size);
sized_rect.UpperLeftCorner.Y = center.Y + (int)(((int)rect.UpperLeftCorner.Y - (int)center.Y)*texture_size);
sized_rect.UpperLeftCorner.X = center.X + (int)((rect.UpperLeftCorner.X - center.X)*texture_size);
sized_rect.UpperLeftCorner.Y = center.Y + (int)((rect.UpperLeftCorner.Y - center.Y)*texture_size);
sized_rect.LowerRightCorner.X = center.X + (int)((rect.LowerRightCorner.X - center.X)*texture_size);
sized_rect.LowerRightCorner.Y = center.Y + (int)((rect.LowerRightCorner.Y - center.Y)*texture_size);
//std::cout << "y is " << center.Y << " + (" << rect.UpperLeftCorner.Y << " - " << center.Y << ")*" << texture_size << " = "
// << center.Y + (int)((rect.UpperLeftCorner.Y - center.Y)*texture_size) << std::endl;
sized_rect.LowerRightCorner.X = center.X + (int)(((int)rect.LowerRightCorner.X - (int)center.X)*texture_size);
sized_rect.LowerRightCorner.Y = center.Y + (int)(((int)rect.LowerRightCorner.Y - (int)center.Y)*texture_size);
/*
std::cout << texture_size << " : " << rect.UpperLeftCorner.X << ", " << rect.UpperLeftCorner.Y << " : " <<
rect.LowerRightCorner.X << ", " << rect.LowerRightCorner.Y << " ---> " <<
sized_rect.UpperLeftCorner.X << ", " << sized_rect.UpperLeftCorner.Y << " : " <<
sized_rect.LowerRightCorner.X << ", " << sized_rect.LowerRightCorner.Y << std::endl;
*/
}
IconButtonWidget* icon_widget = (IconButtonWidget*) widget;
@ -1191,10 +1201,10 @@ void Skin::draw3DSunkenPane (IGUIElement *element, video::SColor bgcolor, bool f
core::position2d<u32> center = core::position2d<u32>(irr_driver->getFrameSize()/2);
const float texture_size = sin(m_dialog_size*M_PI*0.5f);
borderArea.UpperLeftCorner.X = center.X + (int)((rect.UpperLeftCorner.X - center.X)*texture_size);
borderArea.UpperLeftCorner.Y = center.Y + (int)((rect.UpperLeftCorner.Y - center.Y)*texture_size);
borderArea.LowerRightCorner.X = center.X + (int)((rect.LowerRightCorner.X - center.X)*texture_size);
borderArea.LowerRightCorner.Y = center.Y + (int)((rect.LowerRightCorner.Y - center.Y)*texture_size);
borderArea.UpperLeftCorner.X = center.X + (int)(((int)rect.UpperLeftCorner.X - (int)center.X)*texture_size);
borderArea.UpperLeftCorner.Y = center.Y + (int)(((int)rect.UpperLeftCorner.Y - (int)center.Y)*texture_size);
borderArea.LowerRightCorner.X = center.X + (int)(((int)rect.LowerRightCorner.X - (int)center.X)*texture_size);
borderArea.LowerRightCorner.Y = center.Y + (int)(((int)rect.LowerRightCorner.Y - (int)center.Y)*texture_size);
}
GUIEngine::getDriver()->draw2DRectangle( colorFocus, borderArea );
@ -1211,10 +1221,10 @@ void Skin::draw3DSunkenPane (IGUIElement *element, video::SColor bgcolor, bool f
core::position2d<u32> center = core::position2d<u32>(irr_driver->getFrameSize()/2);
const float texture_size = sin(m_dialog_size*M_PI*0.5f);
core::rect< s32 > sizedRect;
sizedRect.UpperLeftCorner.X = center.X + (int)((rect.UpperLeftCorner.X - center.X)*texture_size);
sizedRect.UpperLeftCorner.Y = center.Y + (int)((rect.UpperLeftCorner.Y - center.Y)*texture_size);
sizedRect.LowerRightCorner.X = center.X + (int)((rect.LowerRightCorner.X - center.X)*texture_size);
sizedRect.LowerRightCorner.Y = center.Y + (int)((rect.LowerRightCorner.Y - center.Y)*texture_size);
sizedRect.UpperLeftCorner.X = center.X + (int)(((int)rect.UpperLeftCorner.X - (int)center.X)*texture_size);
sizedRect.UpperLeftCorner.Y = center.Y + (int)(((int)rect.UpperLeftCorner.Y - (int)center.Y)*texture_size);
sizedRect.LowerRightCorner.X = center.X + (int)(((int)rect.LowerRightCorner.X - (int)center.X)*texture_size);
sizedRect.LowerRightCorner.Y = center.Y + (int)(((int)rect.LowerRightCorner.Y - (int)center.Y)*texture_size);
GUIEngine::getDriver()->draw2DRectangle( color, sizedRect );
}
else