mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-10 13:00:29 +03:00
e0f32626bc
The previous names (RGBA32 and RGB32) were misleading since that's not the actual byte order in memory. The new names reflect exactly how the color values get laid out in bitmap data.
725 lines
21 KiB
C++
725 lines
21 KiB
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <LibGUI/BoxLayout.h>
|
|
#include <LibGUI/Button.h>
|
|
#include <LibGUI/ColorPicker.h>
|
|
#include <LibGUI/Frame.h>
|
|
#include <LibGUI/Label.h>
|
|
#include <LibGUI/Painter.h>
|
|
#include <LibGUI/SpinBox.h>
|
|
#include <LibGUI/TabWidget.h>
|
|
#include <LibGUI/TextBox.h>
|
|
#include <LibGfx/Palette.h>
|
|
|
|
namespace GUI {
|
|
|
|
class ColorButton : public AbstractButton {
|
|
C_OBJECT(ColorButton);
|
|
|
|
public:
|
|
virtual ~ColorButton() override;
|
|
|
|
void set_selected(bool selected);
|
|
Color color() const { return m_color; }
|
|
|
|
Function<void(const Color)> on_click;
|
|
|
|
protected:
|
|
virtual void click(unsigned modifiers = 0) override;
|
|
virtual void doubleclick_event(GUI::MouseEvent&) override;
|
|
virtual void paint_event(PaintEvent&) override;
|
|
|
|
private:
|
|
explicit ColorButton(ColorPicker& picker, Color color = {});
|
|
|
|
ColorPicker& m_picker;
|
|
Color m_color;
|
|
bool m_selected { false };
|
|
};
|
|
|
|
class ColorField final : public GUI::Frame {
|
|
C_OBJECT(ColorField);
|
|
|
|
public:
|
|
Function<void(Color)> on_pick;
|
|
void set_color(Color);
|
|
void set_hue(double);
|
|
void set_hue_from_pick(double);
|
|
|
|
private:
|
|
ColorField(Color color);
|
|
|
|
Color m_color;
|
|
// save hue separately so full white color doesn't reset it to 0
|
|
double m_hue;
|
|
|
|
RefPtr<Gfx::Bitmap> m_color_bitmap;
|
|
bool m_being_pressed { false };
|
|
Gfx::IntPoint m_last_position;
|
|
|
|
void create_color_bitmap();
|
|
void pick_color_at_position(GUI::MouseEvent& event);
|
|
void recalculate_position();
|
|
|
|
virtual void mousedown_event(GUI::MouseEvent&) override;
|
|
virtual void mouseup_event(GUI::MouseEvent&) override;
|
|
virtual void mousemove_event(GUI::MouseEvent&) override;
|
|
virtual void paint_event(GUI::PaintEvent&) override;
|
|
virtual void resize_event(ResizeEvent&) override;
|
|
};
|
|
|
|
class ColorSlider final : public GUI::Frame {
|
|
C_OBJECT(ColorSlider);
|
|
|
|
public:
|
|
Function<void(double)> on_pick;
|
|
void set_value(double);
|
|
|
|
private:
|
|
ColorSlider(double value);
|
|
|
|
double m_value;
|
|
|
|
RefPtr<Gfx::Bitmap> m_color_bitmap;
|
|
bool m_being_pressed { false };
|
|
int m_last_position;
|
|
|
|
void pick_value_at_position(GUI::MouseEvent& event);
|
|
void recalculate_position();
|
|
|
|
virtual void mousedown_event(GUI::MouseEvent&) override;
|
|
virtual void mouseup_event(GUI::MouseEvent&) override;
|
|
virtual void mousemove_event(GUI::MouseEvent&) override;
|
|
virtual void paint_event(GUI::PaintEvent&) override;
|
|
virtual void resize_event(ResizeEvent&) override;
|
|
};
|
|
|
|
class ColorPreview final : public GUI::Widget {
|
|
C_OBJECT(ColorPreview);
|
|
|
|
public:
|
|
void set_color(Color);
|
|
|
|
private:
|
|
ColorPreview(Color);
|
|
|
|
Color m_color;
|
|
virtual void paint_event(GUI::PaintEvent&) override;
|
|
};
|
|
|
|
class CustomColorWidget final : public GUI::Widget {
|
|
C_OBJECT(CustomColorWidget);
|
|
|
|
public:
|
|
Function<void(Color)> on_pick;
|
|
void set_color(Color);
|
|
|
|
private:
|
|
CustomColorWidget(Color);
|
|
|
|
RefPtr<ColorField> m_color_field;
|
|
RefPtr<ColorSlider> m_color_slider;
|
|
};
|
|
|
|
ColorPicker::ColorPicker(Color color, Window* parent_window, String title)
|
|
: Dialog(parent_window)
|
|
, m_color(color)
|
|
{
|
|
set_icon(Gfx::Bitmap::load_from_file("/res/icons/16x16/color-chooser.png"));
|
|
set_title(title);
|
|
set_resizable(false);
|
|
resize(458, 326);
|
|
|
|
build_ui();
|
|
}
|
|
|
|
ColorPicker::~ColorPicker()
|
|
{
|
|
}
|
|
|
|
void ColorPicker::set_color_has_alpha_channel(bool has_alpha)
|
|
{
|
|
if (m_color_has_alpha_channel == has_alpha)
|
|
return;
|
|
|
|
m_color_has_alpha_channel = has_alpha;
|
|
update_color_widgets();
|
|
}
|
|
|
|
void ColorPicker::build_ui()
|
|
{
|
|
auto& root_container = set_main_widget<Widget>();
|
|
root_container.set_layout<VerticalBoxLayout>();
|
|
root_container.layout()->set_margins({ 4, 4, 4, 4 });
|
|
root_container.set_fill_with_background_color(true);
|
|
|
|
auto& tab_widget = root_container.add<GUI::TabWidget>();
|
|
|
|
auto& tab_palette = tab_widget.add_tab<Widget>("Palette");
|
|
tab_palette.set_layout<VerticalBoxLayout>();
|
|
tab_palette.layout()->set_margins({ 4, 4, 4, 4 });
|
|
tab_palette.layout()->set_spacing(4);
|
|
|
|
build_ui_palette(tab_palette);
|
|
|
|
auto& tab_custom_color = tab_widget.add_tab<Widget>("Custom Color");
|
|
tab_custom_color.set_layout<VerticalBoxLayout>();
|
|
tab_custom_color.layout()->set_margins({ 4, 4, 4, 4 });
|
|
tab_custom_color.layout()->set_spacing(4);
|
|
|
|
build_ui_custom(tab_custom_color);
|
|
|
|
auto& button_container = root_container.add<Widget>();
|
|
button_container.set_fixed_height(22);
|
|
button_container.set_layout<HorizontalBoxLayout>();
|
|
button_container.layout()->set_spacing(4);
|
|
button_container.layout()->add_spacer();
|
|
|
|
auto& ok_button = button_container.add<Button>();
|
|
ok_button.set_fixed_width(80);
|
|
ok_button.set_text("OK");
|
|
ok_button.on_click = [this](auto) {
|
|
done(ExecOK);
|
|
};
|
|
|
|
auto& cancel_button = button_container.add<Button>();
|
|
cancel_button.set_fixed_width(80);
|
|
cancel_button.set_text("Cancel");
|
|
cancel_button.on_click = [this](auto) {
|
|
done(ExecCancel);
|
|
};
|
|
}
|
|
|
|
void ColorPicker::build_ui_palette(Widget& root_container)
|
|
{
|
|
unsigned colors[4][9] = {
|
|
{ 0xef2929, 0xf0b143, 0xfce94f, 0x9fe13a, 0x7c9ece, 0xa680a8, 0xe1ba70, 0x888a85, 0xeeeeec },
|
|
{ 0xba1e09, 0xf57900, 0xe9d51a, 0x8bd121, 0x4164a3, 0x6f517b, 0xb77f19, 0x555753, 0xd4d7cf },
|
|
{ 0x961605, 0xbf600c, 0xe9d51a, 0x619910, 0x2b4986, 0x573666, 0x875b09, 0x2f3436, 0xbbbdb6 },
|
|
{ 0x000000, 0x2f3436, 0x555753, 0x808080, 0xbabdb6, 0xd3d7cf, 0xeeeeec, 0xf3f3f3, 0xffffff }
|
|
};
|
|
|
|
for (int r = 0; r < 4; r++) {
|
|
auto& colors_row = root_container.add<Widget>();
|
|
colors_row.set_layout<HorizontalBoxLayout>();
|
|
|
|
for (int i = 0; i < 8; i++) {
|
|
create_color_button(colors_row, colors[r][i]);
|
|
}
|
|
}
|
|
}
|
|
|
|
void ColorPicker::build_ui_custom(Widget& root_container)
|
|
{
|
|
enum RGBComponent {
|
|
Red,
|
|
Green,
|
|
Blue,
|
|
Alpha
|
|
};
|
|
|
|
auto& horizontal_container = root_container.add<Widget>();
|
|
horizontal_container.set_fill_with_background_color(true);
|
|
horizontal_container.set_layout<HorizontalBoxLayout>();
|
|
|
|
// Left Side
|
|
m_custom_color = horizontal_container.add<CustomColorWidget>(m_color);
|
|
m_custom_color->set_fixed_size(299, 260);
|
|
m_custom_color->on_pick = [this](Color color) {
|
|
if (m_color == color)
|
|
return;
|
|
|
|
m_color = color;
|
|
update_color_widgets();
|
|
};
|
|
|
|
// Right Side
|
|
auto& vertical_container = horizontal_container.add<Widget>();
|
|
vertical_container.set_layout<VerticalBoxLayout>();
|
|
vertical_container.layout()->set_margins({ 8, 0, 0, 0 });
|
|
vertical_container.set_fixed_width(128);
|
|
|
|
auto& preview_container = vertical_container.add<Frame>();
|
|
preview_container.set_layout<VerticalBoxLayout>();
|
|
preview_container.layout()->set_margins({ 2, 2, 2, 2 });
|
|
preview_container.layout()->set_spacing(0);
|
|
preview_container.set_fixed_height(128);
|
|
|
|
// Current color
|
|
preview_container.add<ColorPreview>(m_color);
|
|
|
|
// Preview selected color
|
|
m_preview_widget = preview_container.add<ColorPreview>(m_color);
|
|
|
|
vertical_container.layout()->add_spacer();
|
|
|
|
// HTML
|
|
auto& html_container = vertical_container.add<GUI::Widget>();
|
|
html_container.set_layout<GUI::HorizontalBoxLayout>();
|
|
html_container.set_fixed_height(22);
|
|
|
|
auto& html_label = html_container.add<GUI::Label>();
|
|
html_label.set_text_alignment(Gfx::TextAlignment::CenterLeft);
|
|
html_label.set_fixed_width(48);
|
|
html_label.set_text("HTML:");
|
|
|
|
m_html_text = html_container.add<GUI::TextBox>();
|
|
m_html_text->set_text(m_color_has_alpha_channel ? m_color.to_string() : m_color.to_string_without_alpha());
|
|
m_html_text->on_change = [this]() {
|
|
auto color_name = m_html_text->text();
|
|
auto optional_color = Color::from_string(color_name);
|
|
if (optional_color.has_value() && (!color_name.starts_with("#") || color_name.length() == ((m_color_has_alpha_channel) ? 9 : 7))) {
|
|
// The color length must be 9/7 (unless it is a name like red), because:
|
|
// - If we allowed 5/4 character rgb color, the field would reset to 9/7 characters after you deleted 4/3 characters.
|
|
auto color = optional_color.value();
|
|
if (m_color == color)
|
|
return;
|
|
|
|
m_color = optional_color.value();
|
|
m_custom_color->set_color(color);
|
|
update_color_widgets();
|
|
}
|
|
};
|
|
|
|
// RGB Lines
|
|
auto make_spinbox = [&](RGBComponent component, int initial_value) {
|
|
auto& rgb_container = vertical_container.add<GUI::Widget>();
|
|
rgb_container.set_layout<GUI::HorizontalBoxLayout>();
|
|
rgb_container.set_fixed_height(22);
|
|
|
|
auto& rgb_label = rgb_container.add<GUI::Label>();
|
|
rgb_label.set_text_alignment(Gfx::TextAlignment::CenterLeft);
|
|
rgb_label.set_fixed_width(48);
|
|
|
|
auto& spinbox = rgb_container.add<SpinBox>();
|
|
spinbox.set_fixed_height(20);
|
|
spinbox.set_min(0);
|
|
spinbox.set_max(255);
|
|
spinbox.set_value(initial_value);
|
|
spinbox.set_enabled(m_color_has_alpha_channel);
|
|
spinbox.on_change = [this, component](auto value) {
|
|
auto color = m_color;
|
|
|
|
if (component == Red)
|
|
color.set_red(value);
|
|
if (component == Green)
|
|
color.set_green(value);
|
|
if (component == Blue)
|
|
color.set_blue(value);
|
|
if (component == Alpha)
|
|
color.set_alpha(value);
|
|
|
|
if (m_color == color)
|
|
return;
|
|
|
|
m_color = color;
|
|
m_custom_color->set_color(color);
|
|
update_color_widgets();
|
|
};
|
|
|
|
if (component == Red) {
|
|
rgb_label.set_text("Red:");
|
|
m_red_spinbox = spinbox;
|
|
} else if (component == Green) {
|
|
rgb_label.set_text("Green:");
|
|
m_green_spinbox = spinbox;
|
|
} else if (component == Blue) {
|
|
rgb_label.set_text("Blue:");
|
|
m_blue_spinbox = spinbox;
|
|
} else if (component == Alpha) {
|
|
rgb_label.set_text("Alpha:");
|
|
m_alpha_spinbox = spinbox;
|
|
}
|
|
};
|
|
|
|
make_spinbox(Red, m_color.red());
|
|
make_spinbox(Green, m_color.green());
|
|
make_spinbox(Blue, m_color.blue());
|
|
make_spinbox(Alpha, m_color.alpha());
|
|
}
|
|
|
|
void ColorPicker::update_color_widgets()
|
|
{
|
|
m_preview_widget->set_color(m_color);
|
|
|
|
m_html_text->set_text(m_color_has_alpha_channel ? m_color.to_string() : m_color.to_string_without_alpha());
|
|
|
|
m_red_spinbox->set_value(m_color.red());
|
|
m_green_spinbox->set_value(m_color.green());
|
|
m_blue_spinbox->set_value(m_color.blue());
|
|
m_alpha_spinbox->set_value(m_color.alpha());
|
|
m_alpha_spinbox->set_enabled(m_color_has_alpha_channel);
|
|
}
|
|
|
|
void ColorPicker::create_color_button(Widget& container, unsigned rgb)
|
|
{
|
|
Color color = Color::from_rgb(rgb);
|
|
|
|
auto& widget = container.add<ColorButton>(*this, color);
|
|
widget.on_click = [this](Color color) {
|
|
for (auto& value : m_color_widgets) {
|
|
value->set_selected(false);
|
|
value->update();
|
|
}
|
|
|
|
m_color = color;
|
|
m_custom_color->set_color(color);
|
|
update_color_widgets();
|
|
};
|
|
|
|
if (color == m_color) {
|
|
widget.set_selected(true);
|
|
}
|
|
|
|
m_color_widgets.append(&widget);
|
|
}
|
|
|
|
ColorButton::ColorButton(ColorPicker& picker, Color color)
|
|
: m_picker(picker)
|
|
{
|
|
m_color = color;
|
|
}
|
|
|
|
ColorButton::~ColorButton()
|
|
{
|
|
}
|
|
|
|
void ColorButton::set_selected(bool selected)
|
|
{
|
|
m_selected = selected;
|
|
}
|
|
|
|
void ColorButton::doubleclick_event(GUI::MouseEvent&)
|
|
{
|
|
click();
|
|
m_selected = true;
|
|
m_picker.done(Dialog::ExecOK);
|
|
}
|
|
|
|
void ColorButton::paint_event(PaintEvent& event)
|
|
{
|
|
Painter painter(*this);
|
|
painter.add_clip_rect(event.rect());
|
|
|
|
Gfx::StylePainter::paint_button(painter, rect(), palette(), Gfx::ButtonStyle::Normal, is_being_pressed(), is_hovered(), is_checked(), is_enabled(), is_focused());
|
|
|
|
painter.fill_rect(rect().shrunken(2, 2), m_color);
|
|
|
|
if (m_selected) {
|
|
painter.fill_rect(rect().shrunken(6, 6), Color::Black);
|
|
painter.fill_rect(rect().shrunken(10, 10), Color::White);
|
|
painter.fill_rect(rect().shrunken(14, 14), m_color);
|
|
}
|
|
}
|
|
|
|
void ColorButton::click(unsigned)
|
|
{
|
|
if (on_click)
|
|
on_click(m_color);
|
|
|
|
m_selected = true;
|
|
}
|
|
|
|
CustomColorWidget::CustomColorWidget(Color color)
|
|
{
|
|
set_layout<HorizontalBoxLayout>();
|
|
|
|
m_color_field = add<ColorField>(color);
|
|
auto size = 256 + (m_color_field->frame_thickness() * 2);
|
|
m_color_field->set_fixed_size(size, size);
|
|
m_color_field->on_pick = [this](Color color) {
|
|
if (on_pick)
|
|
on_pick(color);
|
|
};
|
|
|
|
m_color_slider = add<ColorSlider>(color.to_hsv().hue);
|
|
auto slider_width = 24 + (m_color_slider->frame_thickness() * 2);
|
|
m_color_slider->set_fixed_size(slider_width, size);
|
|
m_color_slider->on_pick = [this](double value) {
|
|
m_color_field->set_hue_from_pick(value);
|
|
};
|
|
}
|
|
|
|
void CustomColorWidget::set_color(Color color)
|
|
{
|
|
m_color_field->set_color(color);
|
|
m_color_field->set_hue(color.to_hsv().hue);
|
|
}
|
|
|
|
ColorField::ColorField(Color color)
|
|
: m_color(color)
|
|
, m_hue(color.to_hsv().hue)
|
|
{
|
|
create_color_bitmap();
|
|
}
|
|
|
|
void ColorField::create_color_bitmap()
|
|
{
|
|
m_color_bitmap = Gfx::Bitmap::create(Gfx::BitmapFormat::BGRx8888, { 256, 256 });
|
|
auto painter = Gfx::Painter(*m_color_bitmap);
|
|
|
|
Gfx::HSV hsv;
|
|
hsv.hue = m_hue;
|
|
for (int x = 0; x < 256; x++) {
|
|
hsv.saturation = x / 255.0f;
|
|
for (int y = 0; y < 256; y++) {
|
|
hsv.value = (255 - y) / 255.0f;
|
|
Color color = Color::from_hsv(hsv);
|
|
painter.set_pixel({ x, y }, color);
|
|
}
|
|
}
|
|
}
|
|
|
|
void ColorField::set_color(Color color)
|
|
{
|
|
if (m_color == color)
|
|
return;
|
|
|
|
m_color = color;
|
|
// don't save m_hue here by default, we don't want to set it to 0 in case color is full white
|
|
// m_hue = color.to_hsv().hue;
|
|
|
|
recalculate_position();
|
|
}
|
|
|
|
void ColorField::recalculate_position()
|
|
{
|
|
Gfx::HSV hsv = m_color.to_hsv();
|
|
auto x = hsv.saturation * width();
|
|
auto y = (1 - hsv.value) * height();
|
|
m_last_position = Gfx::IntPoint(x, y);
|
|
update();
|
|
}
|
|
|
|
void ColorField::set_hue(double hue)
|
|
{
|
|
if (m_hue == hue)
|
|
return;
|
|
|
|
auto hsv = m_color.to_hsv();
|
|
hsv.hue = hue;
|
|
|
|
m_hue = hue;
|
|
create_color_bitmap();
|
|
|
|
auto color = Color::from_hsv(hsv);
|
|
color.set_alpha(m_color.alpha());
|
|
set_color(color);
|
|
}
|
|
|
|
void ColorField::set_hue_from_pick(double hue)
|
|
{
|
|
set_hue(hue);
|
|
if (on_pick)
|
|
on_pick(m_color);
|
|
}
|
|
|
|
void ColorField::pick_color_at_position(GUI::MouseEvent& event)
|
|
{
|
|
if (!m_being_pressed)
|
|
return;
|
|
|
|
auto inner_rect = frame_inner_rect();
|
|
auto position = event.position().constrained(inner_rect).translated(-frame_thickness(), -frame_thickness());
|
|
auto color = Color::from_hsv(m_hue, (double)position.x() / inner_rect.width(), (double)(inner_rect.height() - position.y()) / inner_rect.height());
|
|
color.set_alpha(m_color.alpha());
|
|
m_last_position = position;
|
|
m_color = color;
|
|
|
|
if (on_pick)
|
|
on_pick(color);
|
|
|
|
update();
|
|
}
|
|
|
|
void ColorField::mousedown_event(GUI::MouseEvent& event)
|
|
{
|
|
if (event.button() == GUI::MouseButton::Left) {
|
|
m_being_pressed = true;
|
|
pick_color_at_position(event);
|
|
}
|
|
}
|
|
|
|
void ColorField::mouseup_event(GUI::MouseEvent& event)
|
|
{
|
|
if (event.button() == GUI::MouseButton::Left) {
|
|
m_being_pressed = false;
|
|
pick_color_at_position(event);
|
|
}
|
|
}
|
|
|
|
void ColorField::mousemove_event(GUI::MouseEvent& event)
|
|
{
|
|
if (event.buttons() & GUI::MouseButton::Left)
|
|
pick_color_at_position(event);
|
|
}
|
|
|
|
void ColorField::paint_event(GUI::PaintEvent& event)
|
|
{
|
|
Frame::paint_event(event);
|
|
|
|
Painter painter(*this);
|
|
painter.add_clip_rect(event.rect());
|
|
painter.add_clip_rect(frame_inner_rect());
|
|
|
|
painter.draw_scaled_bitmap(frame_inner_rect(), *m_color_bitmap, m_color_bitmap->rect());
|
|
|
|
painter.translate(frame_thickness(), frame_thickness());
|
|
painter.draw_line({ m_last_position.x() - 1, 0 }, { m_last_position.x() - 1, height() }, Color::White);
|
|
painter.draw_line({ m_last_position.x() + 1, 0 }, { m_last_position.x() + 1, height() }, Color::White);
|
|
painter.draw_line({ 0, m_last_position.y() - 1 }, { width(), m_last_position.y() - 1 }, Color::White);
|
|
painter.draw_line({ 0, m_last_position.y() + 1 }, { width(), m_last_position.y() + 1 }, Color::White);
|
|
painter.draw_line({ m_last_position.x(), 0 }, { m_last_position.x(), height() }, Color::Black);
|
|
painter.draw_line({ 0, m_last_position.y() }, { width(), m_last_position.y() }, Color::Black);
|
|
}
|
|
|
|
void ColorField::resize_event(ResizeEvent&)
|
|
{
|
|
recalculate_position();
|
|
}
|
|
|
|
ColorSlider::ColorSlider(double value)
|
|
: m_value(value)
|
|
{
|
|
m_color_bitmap = Gfx::Bitmap::create(Gfx::BitmapFormat::BGRx8888, { 32, 360 });
|
|
auto painter = Gfx::Painter(*m_color_bitmap);
|
|
|
|
for (int h = 0; h < 360; h++) {
|
|
Gfx::HSV hsv;
|
|
hsv.hue = h;
|
|
hsv.saturation = 1.0;
|
|
hsv.value = 1.0;
|
|
Color color = Color::from_hsv(hsv);
|
|
painter.draw_line({ 0, h }, { 32, h }, color);
|
|
}
|
|
}
|
|
|
|
void ColorSlider::set_value(double value)
|
|
{
|
|
if (m_value == value)
|
|
return;
|
|
|
|
m_value = value;
|
|
recalculate_position();
|
|
}
|
|
|
|
void ColorSlider::recalculate_position()
|
|
{
|
|
m_last_position = (m_value / 360.0) * height();
|
|
update();
|
|
}
|
|
|
|
void ColorSlider::pick_value_at_position(GUI::MouseEvent& event)
|
|
{
|
|
if (!m_being_pressed)
|
|
return;
|
|
|
|
auto inner_rect = frame_inner_rect();
|
|
auto position = event.position().constrained(inner_rect).translated(-frame_thickness(), -frame_thickness());
|
|
auto hue = (double)position.y() / inner_rect.height() * 360;
|
|
m_last_position = position.y();
|
|
m_value = hue;
|
|
|
|
if (on_pick)
|
|
on_pick(m_value);
|
|
|
|
update();
|
|
}
|
|
|
|
void ColorSlider::mousedown_event(GUI::MouseEvent& event)
|
|
{
|
|
if (event.button() == GUI::MouseButton::Left) {
|
|
m_being_pressed = true;
|
|
pick_value_at_position(event);
|
|
}
|
|
}
|
|
|
|
void ColorSlider::mouseup_event(GUI::MouseEvent& event)
|
|
{
|
|
if (event.button() == GUI::MouseButton::Left) {
|
|
m_being_pressed = false;
|
|
pick_value_at_position(event);
|
|
}
|
|
}
|
|
|
|
void ColorSlider::mousemove_event(GUI::MouseEvent& event)
|
|
{
|
|
if (event.buttons() & GUI::MouseButton::Left)
|
|
pick_value_at_position(event);
|
|
}
|
|
|
|
void ColorSlider::paint_event(GUI::PaintEvent& event)
|
|
{
|
|
Frame::paint_event(event);
|
|
|
|
Painter painter(*this);
|
|
painter.add_clip_rect(event.rect());
|
|
painter.add_clip_rect(frame_inner_rect());
|
|
|
|
painter.draw_scaled_bitmap(frame_inner_rect(), *m_color_bitmap, m_color_bitmap->rect());
|
|
|
|
painter.translate(frame_thickness(), frame_thickness());
|
|
painter.draw_line({ 0, m_last_position - 1 }, { width(), m_last_position - 1 }, Color::White);
|
|
painter.draw_line({ 0, m_last_position + 1 }, { width(), m_last_position + 1 }, Color::White);
|
|
painter.draw_line({ 0, m_last_position }, { width(), m_last_position }, Color::Black);
|
|
}
|
|
|
|
void ColorSlider::resize_event(ResizeEvent&)
|
|
{
|
|
recalculate_position();
|
|
}
|
|
|
|
ColorPreview::ColorPreview(Color color)
|
|
: m_color(color)
|
|
{
|
|
}
|
|
|
|
void ColorPreview::set_color(Color color)
|
|
{
|
|
if (m_color == color)
|
|
return;
|
|
|
|
m_color = color;
|
|
update();
|
|
}
|
|
|
|
void ColorPreview::paint_event(PaintEvent& event)
|
|
{
|
|
Painter painter(*this);
|
|
painter.add_clip_rect(event.rect());
|
|
|
|
if (m_color.alpha() < 255) {
|
|
Gfx::StylePainter::paint_transparency_grid(painter, rect(), palette());
|
|
painter.fill_rect(rect(), m_color);
|
|
painter.fill_rect({ 0, 0, rect().width() / 4, rect().height() }, m_color.with_alpha(255));
|
|
} else {
|
|
painter.fill_rect(rect(), m_color);
|
|
}
|
|
}
|
|
|
|
}
|