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
부모 cde2a7f6f2
커밋 60544ac56f
9개의 변경된 파일86개의 추가작업 그리고 4개의 파일을 삭제

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@ -2573,6 +2573,8 @@ Some types may inherit styles from parent types.
* bgcolor_pressed - color when pressed. Defaults to a darker bgcolor when not provided.
* bgimg - standard background image. Defaults to none.
* bgimg_hovered - background image when hovered. Defaults to bgimg when not provided.
* bgimg_middle - Makes the bgimg textures render in 9-sliced mode and defines the middle rect.
See background9[] documentation for more details
* bgimg_pressed - background image when pressed. Defaults to bgimg when not provided.
* border - boolean, draw border. Set to false to hide the bevelled button pane. Default true.
* noclip - boolean, set to true to allow the element to exceed formspec bounds.

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@ -78,6 +78,9 @@ local style_fs = [[
style[one_btn15;border=false;bgimg=test_bg.png;bgimg_hovered=test_bg_hovered.png;bgimg_pressed=test_bg_pressed.png]
item_image_button[1.25,9.6;1,1;default:sword_steel;one_btn15;Bg]
style[one_btn16;border=false;bgimg=test_bg_9slice.png;bgimg_hovered=test_bg_9slice_hovered.png;bgimg_pressed=test_bg_9slice_pressed.png;bgimg_middle=4,6]
button[2.5,9.6;2,1;one_btn16;9-Slice Bg]
container[2.75,0]

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@ -37,6 +37,7 @@ public:
BORDER,
BGIMG,
BGIMG_HOVERED,
BGIMG_MIDDLE,
BGIMG_PRESSED,
FGIMG,
FGIMG_HOVERED,
@ -69,6 +70,8 @@ public:
return BGIMG;
} else if (name == "bgimg_hovered") {
return BGIMG_HOVERED;
} else if (name == "bgimg_middle") {
return BGIMG_MIDDLE;
} else if (name == "bgimg_pressed") {
return BGIMG_PRESSED;
} else if (name == "fgimg") {
@ -117,6 +120,29 @@ public:
return color;
}
irr::core::rect<s32> getRect(Property prop, irr::core::rect<s32> def) const
{
const auto &val = properties[prop];
if (val.empty())
return def;
irr::core::rect<s32> rect;
if (!parseRect(val, &rect))
return def;
return rect;
}
irr::core::rect<s32> getRect(Property prop) const
{
const auto &val = properties[prop];
FATAL_ERROR_IF(val.empty(), "Unexpected missing property");
irr::core::rect<s32> rect;
parseRect(val, &rect);
return rect;
}
video::ITexture *getTexture(Property prop, ISimpleTextureSource *tsrc,
video::ITexture *def) const
{
@ -175,4 +201,36 @@ public:
newspec |= other;
return newspec;
}
private:
bool parseRect(const std::string &value, irr::core::rect<s32> *parsed_rect) const
{
irr::core::rect<s32> rect;
std::vector<std::string> v_rect = split(value, ',');
if (v_rect.size() == 1) {
s32 x = stoi(v_rect[0]);
rect.UpperLeftCorner = irr::core::vector2di(x, x);
rect.LowerRightCorner = irr::core::vector2di(-x, -x);
} else if (v_rect.size() == 2) {
s32 x = stoi(v_rect[0]);
s32 y = stoi(v_rect[1]);
rect.UpperLeftCorner = irr::core::vector2di(x, y);
rect.LowerRightCorner = irr::core::vector2di(-x, -y);
// `-x` is interpreted as `w - x`
} else if (v_rect.size() == 4) {
rect.UpperLeftCorner = irr::core::vector2di(
stoi(v_rect[0]), stoi(v_rect[1]));
rect.LowerRightCorner = irr::core::vector2di(
stoi(v_rect[2]), stoi(v_rect[3]));
} else {
warningstream << "Invalid rectangle string format: \"" << value
<< "\"" << std::endl;
return false;
}
*parsed_rect = rect;
return true;
}
};

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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

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@ -330,5 +330,7 @@ private:
video::SColor PressedColors[4];
gui::IGUIStaticText *StaticText;
core::rect<s32> BgMiddle;
// END PATCH
};

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@ -196,6 +196,7 @@ src/gui/mainmenumanager.h
src/gui/modalMenu.h
src/guiscalingfilter.cpp
src/guiscalingfilter.h
src/gui/StyleSpec.h
src/gui/touchscreengui.cpp
src/httpfetch.cpp
src/hud.cpp