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Make bgcolor tint button background images (#9818)

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Df458 committed Aug 29, 2020
1 parent 3693b68 commit 9976f36b18b8d227e3240feb24000dda0916ee44
@@ -164,7 +164,7 @@ local style_fs = [[
style[one_btn14:hovered+pressed;textcolor=purple]
image_button[0,9.6;1,1;testformspec_button_image.png;one_btn14;Bg]
style[one_btn15;border=false;bgimg=testformspec_bg.png;bgimg_hovered=testformspec_bg_hovered.png;bgimg_pressed=testformspec_bg_pressed.png]
style[one_btn15;border=false;bgcolor=#1cc;bgimg=testformspec_bg.png;bgimg_hovered=testformspec_bg_hovered.png;bgimg_pressed=testformspec_bg_pressed.png]
item_image_button[1.25,9.6;1,1;testformspec:item;one_btn15;Bg]
style[one_btn16;border=false;bgimg=testformspec_bg_9slice.png;bgimg_hovered=testformspec_bg_9slice_hovered.png;bgimg_pressed=testformspec_bg_9slice_pressed.png;bgimg_middle=4,6]
@@ -172,11 +172,8 @@ void draw2DImageFilterScaled(video::IVideoDriver *driver, video::ITexture *txr,

void draw2DImage9Slice(video::IVideoDriver *driver, video::ITexture *texture,
const core::rect<s32> &rect, const core::rect<s32> &middle,
const core::rect<s32> *cliprect)
const core::rect<s32> *cliprect, const video::SColor *const colors)
{
const video::SColor color(255,255,255,255);
const video::SColor colors[] = {color,color,color,color};

auto originalSize = texture->getOriginalSize();
core::vector2di lowerRightOffset = core::vector2di(originalSize.Width, originalSize.Height) - middle.LowerRightCorner;

@@ -54,4 +54,5 @@ void draw2DImageFilterScaled(video::IVideoDriver *driver, video::ITexture *txr,
*/
void draw2DImage9Slice(video::IVideoDriver *driver, video::ITexture *texture,
const core::rect<s32> &rect, const core::rect<s32> &middle,
const core::rect<s32> *cliprect = nullptr);
const core::rect<s32> *cliprect = nullptr,
const video::SColor *const colors = nullptr);
@@ -313,11 +313,12 @@ void GUIButton::draw()

// PATCH
video::ITexture* texture = ButtonImages[(u32)imageState].Texture;
video::SColor image_colors[] = { BgColor, BgColor, BgColor, BgColor };
if (BgMiddle.getArea() == 0) {
driver->draw2DImage(texture,
ScaleImage? AbsoluteRect : core::rect<s32>(pos, sourceRect.getSize()),
sourceRect, &AbsoluteClippingRect,
0, UseAlphaChannel);
image_colors, UseAlphaChannel);
} else {
core::rect<s32> middle = BgMiddle;
// `-x` is interpreted as `w - x`
@@ -327,7 +328,7 @@ void GUIButton::draw()
middle.LowerRightCorner.Y += texture->getOriginalSize().Height;
draw2DImage9Slice(driver, texture,
ScaleImage ? AbsoluteRect : core::rect<s32>(pos, sourceRect.getSize()),
middle, &AbsoluteClippingRect);
middle, &AbsoluteClippingRect, image_colors);
}
// END PATCH
}
@@ -722,6 +723,8 @@ GUIButton* GUIButton::addButton(IGUIEnvironment *environment,

void GUIButton::setColor(video::SColor color)
{
BgColor = color;

float d = 0.65f;
for (size_t i = 0; i < 4; i++) {
video::SColor base = Environment->getSkin()->getColor((gui::EGUI_DEFAULT_COLOR)i);
@@ -750,22 +753,26 @@ void GUIButton::setFromStyle(const StyleSpec& style)
bool pressed = (style.getState() & StyleSpec::STATE_PRESSED) != 0;

if (style.isNotDefault(StyleSpec::BGCOLOR)) {

setColor(style.getColor(StyleSpec::BGCOLOR));

// If we have a propagated hover/press color, we need to automatically
// lighten/darken it
if (!Styles[style.getState()].isNotDefault(StyleSpec::BGCOLOR)) {
for (size_t i = 0; i < 4; i++) {
if (pressed) {
Colors[i] = multiplyColorValue(Colors[i], COLOR_PRESSED_MOD);
BgColor = multiplyColorValue(BgColor, COLOR_PRESSED_MOD);

for (size_t i = 0; i < 4; i++)
Colors[i] = multiplyColorValue(Colors[i], COLOR_PRESSED_MOD);
} else if (hovered) {
Colors[i] = multiplyColorValue(Colors[i], COLOR_HOVERED_MOD);
BgColor = multiplyColorValue(BgColor, COLOR_HOVERED_MOD);

for (size_t i = 0; i < 4; i++)
Colors[i] = multiplyColorValue(Colors[i], COLOR_HOVERED_MOD);
}
}
}

} else {
BgColor = video::SColor(255, 255, 255, 255);
for (size_t i = 0; i < 4; i++) {
video::SColor base =
Environment->getSkin()->getColor((gui::EGUI_DEFAULT_COLOR)i);
@@ -338,5 +338,6 @@ class GUIButton : public gui::IGUIButton
core::rect<s32> BgMiddle;
core::rect<s32> Padding;
core::vector2d<s32> ContentOffset;
video::SColor BgColor;
// END PATCH
};

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