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https://github.com/RGBCube/serenity
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LibDraw: Introduce (formerly known as SharedGraphics.)
Instead of LibGUI and WindowServer building their own copies of the drawing and graphics code, let's it in a separate LibDraw library. This avoids building the code twice, and will encourage better separation of concerns. :^)
This commit is contained in:
Andreas Kling
parent
2167f60235
commit
1c0669f010
120 changed files with 201 additions and 190 deletions
228
Libraries/LibDraw/StylePainter.cpp
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228
Libraries/LibDraw/StylePainter.cpp
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#include <LibDraw/Painter.h>
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#include <LibDraw/StylePainter.h>
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void StylePainter::paint_tab_button(Painter& painter, const Rect& rect, bool active, bool hovered, bool enabled)
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{
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Color base_color = Color::WarmGray;
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Color highlight_color2 = Color::from_rgb(0xdfdfdf);
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Color shadow_color1 = Color::from_rgb(0x808080);
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Color shadow_color2 = Color::from_rgb(0x404040);
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if (hovered && enabled && !active)
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base_color = Color::from_rgb(0xd4d4d4);
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PainterStateSaver saver(painter);
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painter.translate(rect.location());
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// Base
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painter.fill_rect({ 1, 1, rect.width() - 2, rect.height() - 1 }, base_color);
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// Top line
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painter.draw_line({ 2, 0 }, { rect.width() - 3, 0 }, highlight_color2);
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// Left side
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painter.draw_line({ 0, 2 }, { 0, rect.height() - 1 }, highlight_color2);
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painter.set_pixel({ 1, 1 }, highlight_color2);
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// Right side
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painter.draw_line({
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rect.width() - 1,
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2,
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},
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{ rect.width() - 1, rect.height() - 1 }, shadow_color2);
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painter.draw_line({
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rect.width() - 2,
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2,
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},
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{ rect.width() - 2, rect.height() - 1 }, shadow_color1);
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painter.set_pixel({
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rect.width() - 2,
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1,
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},
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shadow_color2);
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}
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static void paint_button_new(Painter& painter, const Rect& rect, bool pressed, bool checked, bool hovered, bool enabled)
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{
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Color button_color = Color::WarmGray;
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Color highlight_color2 = Color::from_rgb(0xdfdfdf);
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Color shadow_color1 = Color::from_rgb(0x808080);
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Color shadow_color2 = Color::from_rgb(0x404040);
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if (checked && enabled) {
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if (hovered)
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button_color = Color::from_rgb(0xe3dfdb);
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else
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button_color = Color::from_rgb(0xd6d2ce);
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} else if (hovered && enabled)
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button_color = Color::from_rgb(0xd4d4d4);
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PainterStateSaver saver(painter);
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painter.translate(rect.location());
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if (pressed || checked) {
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// Base
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painter.fill_rect({ 1, 1, rect.width() - 2, rect.height() - 2 }, button_color);
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painter.draw_rect({ {}, rect.size() }, shadow_color2);
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// Sunken shadow
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painter.draw_line({ 1, 1 }, { rect.width() - 2, 1 }, shadow_color1);
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painter.draw_line({ 1, 2 }, { 1, rect.height() - 2 }, shadow_color1);
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} else {
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// Base
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painter.fill_rect({ 1, 1, rect.width() - 3, rect.height() - 3 }, button_color);
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// Outer highlight
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painter.draw_line({ 0, 0 }, { rect.width() - 2, 0 }, highlight_color2);
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painter.draw_line({ 0, 1 }, { 0, rect.height() - 2 }, highlight_color2);
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// Outer shadow
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painter.draw_line({ 0, rect.height() - 1 }, { rect.width() - 1, rect.height() - 1 }, shadow_color2);
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painter.draw_line({ rect.width() - 1, 0 }, { rect.width() - 1, rect.height() - 2 }, shadow_color2);
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// Inner shadow
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painter.draw_line({ 1, rect.height() - 2 }, { rect.width() - 2, rect.height() - 2 }, shadow_color1);
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painter.draw_line({ rect.width() - 2, 1 }, { rect.width() - 2, rect.height() - 3 }, shadow_color1);
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}
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}
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void StylePainter::paint_button(Painter& painter, const Rect& rect, ButtonStyle button_style, bool pressed, bool hovered, bool checked, bool enabled)
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{
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if (button_style == ButtonStyle::Normal)
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return paint_button_new(painter, rect, pressed, checked, hovered, enabled);
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Color button_color = checked ? Color::from_rgb(0xd6d2ce) : Color::WarmGray;
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Color highlight_color = Color::White;
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Color shadow_color = Color(96, 96, 96);
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if (button_style == ButtonStyle::CoolBar && !enabled)
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return;
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PainterStateSaver saver(painter);
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painter.translate(rect.location());
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if (pressed || checked) {
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// Base
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painter.fill_rect({ 1, 1, rect.width() - 2, rect.height() - 2 }, button_color);
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// Sunken shadow
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painter.draw_line({ 1, 1 }, { rect.width() - 2, 1 }, shadow_color);
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painter.draw_line({ 1, 2 }, { 1, rect.height() - 2 }, shadow_color);
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// Bottom highlight
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painter.draw_line({ rect.width() - 2, 1 }, { rect.width() - 2, rect.height() - 3 }, highlight_color);
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painter.draw_line({ 1, rect.height() - 2 }, { rect.width() - 2, rect.height() - 2 }, highlight_color);
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} else if (button_style == ButtonStyle::CoolBar && hovered) {
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// Base
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painter.fill_rect({ 1, 1, rect.width() - 2, rect.height() - 2 }, button_color);
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// White highlight
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painter.draw_line({ 1, 1 }, { rect.width() - 2, 1 }, highlight_color);
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painter.draw_line({ 1, 2 }, { 1, rect.height() - 2 }, highlight_color);
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// Gray shadow
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painter.draw_line({ rect.width() - 2, 1 }, { rect.width() - 2, rect.height() - 3 }, shadow_color);
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painter.draw_line({ 1, rect.height() - 2 }, { rect.width() - 2, rect.height() - 2 }, shadow_color);
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}
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}
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void StylePainter::paint_surface(Painter& painter, const Rect& rect, bool paint_vertical_lines, bool paint_top_line)
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{
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painter.fill_rect({ rect.x(), rect.y() + 1, rect.width(), rect.height() - 2 }, Color::WarmGray);
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painter.draw_line(rect.top_left(), rect.top_right(), paint_top_line ? Color::White : Color::WarmGray);
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painter.draw_line(rect.bottom_left(), rect.bottom_right(), Color::MidGray);
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if (paint_vertical_lines) {
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painter.draw_line(rect.top_left().translated(0, 1), rect.bottom_left().translated(0, -1), Color::White);
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painter.draw_line(rect.top_right(), rect.bottom_right().translated(0, -1), Color::MidGray);
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}
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}
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void StylePainter::paint_frame(Painter& painter, const Rect& rect, FrameShape shape, FrameShadow shadow, int thickness, bool skip_vertical_lines)
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{
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Color top_left_color;
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Color bottom_right_color;
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Color dark_shade = Color::from_rgb(0x808080);
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Color light_shade = Color::from_rgb(0xffffff);
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if (shape == FrameShape::Container && thickness >= 2) {
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if (shadow == FrameShadow::Raised) {
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dark_shade = Color::from_rgb(0x404040);
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}
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}
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if (shadow == FrameShadow::Raised) {
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top_left_color = light_shade;
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bottom_right_color = dark_shade;
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} else if (shadow == FrameShadow::Sunken) {
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top_left_color = dark_shade;
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bottom_right_color = light_shade;
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} else if (shadow == FrameShadow::Plain) {
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top_left_color = dark_shade;
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bottom_right_color = dark_shade;
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}
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if (thickness >= 1) {
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painter.draw_line(rect.top_left(), rect.top_right(), top_left_color);
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painter.draw_line(rect.bottom_left(), rect.bottom_right(), bottom_right_color);
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if (shape != FrameShape::Panel || !skip_vertical_lines) {
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painter.draw_line(rect.top_left().translated(0, 1), rect.bottom_left().translated(0, -1), top_left_color);
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painter.draw_line(rect.top_right(), rect.bottom_right().translated(0, -1), bottom_right_color);
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}
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}
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if (shape == FrameShape::Container && thickness >= 2) {
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Color top_left_color;
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Color bottom_right_color;
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Color dark_shade = Color::from_rgb(0x404040);
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Color light_shade = Color::WarmGray;
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if (shadow == FrameShadow::Raised) {
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dark_shade = Color::from_rgb(0x808080);
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top_left_color = light_shade;
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bottom_right_color = dark_shade;
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} else if (shadow == FrameShadow::Sunken) {
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top_left_color = dark_shade;
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bottom_right_color = light_shade;
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} else if (shadow == FrameShadow::Plain) {
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top_left_color = dark_shade;
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bottom_right_color = dark_shade;
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}
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Rect inner_container_frame_rect = rect.shrunken(2, 2);
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painter.draw_line(inner_container_frame_rect.top_left(), inner_container_frame_rect.top_right(), top_left_color);
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painter.draw_line(inner_container_frame_rect.bottom_left(), inner_container_frame_rect.bottom_right(), bottom_right_color);
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painter.draw_line(inner_container_frame_rect.top_left().translated(0, 1), inner_container_frame_rect.bottom_left().translated(0, -1), top_left_color);
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painter.draw_line(inner_container_frame_rect.top_right(), inner_container_frame_rect.bottom_right().translated(0, -1), bottom_right_color);
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}
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if (shape == FrameShape::Box && thickness >= 2) {
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swap(top_left_color, bottom_right_color);
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Rect inner_rect = rect.shrunken(2, 2);
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painter.draw_line(inner_rect.top_left(), inner_rect.top_right(), top_left_color);
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painter.draw_line(inner_rect.bottom_left(), inner_rect.bottom_right(), bottom_right_color);
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painter.draw_line(inner_rect.top_left().translated(0, 1), inner_rect.bottom_left().translated(0, -1), top_left_color);
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painter.draw_line(inner_rect.top_right(), inner_rect.bottom_right().translated(0, -1), bottom_right_color);
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}
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}
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void StylePainter::paint_window_frame(Painter& painter, const Rect& rect)
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{
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Color base_color = Color::WarmGray;
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Color dark_shade = Color::from_rgb(0x404040);
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Color mid_shade = Color::from_rgb(0x808080);
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Color light_shade = Color::from_rgb(0xffffff);
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painter.draw_line(rect.top_left(), rect.top_right(), base_color);
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painter.draw_line(rect.top_left().translated(0, 1), rect.bottom_left(), base_color);
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painter.draw_line(rect.top_left().translated(1, 1), rect.top_right().translated(-1, 1), light_shade);
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painter.draw_line(rect.top_left().translated(1, 1), rect.bottom_left().translated(1, -1), light_shade);
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painter.draw_line(rect.top_left().translated(2, 2), rect.top_right().translated(-2, 2), base_color);
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painter.draw_line(rect.top_left().translated(2, 2), rect.bottom_left().translated(2, -2), base_color);
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painter.draw_line(rect.top_right(), rect.bottom_right(), dark_shade);
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painter.draw_line(rect.top_right().translated(-1, 1), rect.bottom_right().translated(-1, -1), mid_shade);
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painter.draw_line(rect.top_right().translated(-2, 2), rect.bottom_right().translated(-2, -2), base_color);
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painter.draw_line(rect.bottom_left(), rect.bottom_right(), dark_shade);
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painter.draw_line(rect.bottom_left().translated(1, -1), rect.bottom_right().translated(-1, -1), mid_shade);
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painter.draw_line(rect.bottom_left().translated(2, -2), rect.bottom_right().translated(-2, -2), base_color);
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}
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