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Add 9-slice background support to button formspec elements (#9290)

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Hugues Ross 2020-01-26 14:35:26 -05:00 • committed by rubenwardy
parent cde2a7f6f2
commit 60544ac56f
9 changed files with 86 additions and 4 deletions
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24
src/gui/guiButton.cpp
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@ -307,10 +307,25 @@ void GUIButton::draw()
}
}
driver->draw2DImage(ButtonImages[(u32)imageState].Texture,
ScaleImage? AbsoluteRect : core::rect<s32>(pos, sourceRect.getSize()),
sourceRect, &AbsoluteClippingRect,
0, UseAlphaChannel);
// PATCH
video::ITexture* texture = ButtonImages[(u32)imageState].Texture;
if (BgMiddle.getArea() == 0) {
driver->draw2DImage(texture,
ScaleImage? AbsoluteRect : core::rect<s32>(pos, sourceRect.getSize()),
sourceRect, &AbsoluteClippingRect,
0, UseAlphaChannel);
} else {
core::rect<s32> middle = BgMiddle;
// `-x` is interpreted as `w - x`
if (middle.LowerRightCorner.X < 0)
middle.LowerRightCorner.X += texture->getOriginalSize().Width;
if (middle.LowerRightCorner.Y < 0)
middle.LowerRightCorner.Y += texture->getOriginalSize().Height;
draw2DImage9Slice(driver, texture,
ScaleImage ? AbsoluteRect : core::rect<s32>(pos, sourceRect.getSize()),
middle, &AbsoluteClippingRect);
}
// END PATCH
}
if (SpriteBank)
@ -804,5 +819,6 @@ void GUIButton::setFromStyle(const StyleSpec& style, ISimpleTextureSource *tsrc)
Environment->getVideoDriver(), pressed_texture, geom.X, geom.Y));
setScaleImage(true);
}
BgMiddle = style.getRect(StyleSpec::BGIMG_MIDDLE, BgMiddle);
}
// END PATCH