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PixelPaint: Tool properties panel

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Each tool can have its own set of properties that can be modified
through a panel on the right side.

The tools I've added properties for are:

Pen:
	Thickness

Brush:
	Size
	Hardness

Spray:
	Thickness
	Density

Bucket:
	Threshold
This commit is contained in:
BenJilks 2020-10-15 17:57:07 +00:00 • committed by Andreas Kling
parent 544f2f3c96
commit afd52e2576
13 changed files with 324 additions and 12 deletions
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54
Applications/PixelPaint/BrushTool.cpp
View file

@ -28,9 +28,13 @@
#include "ImageEditor.h"
#include "Layer.h"
#include <LibGUI/Action.h>
#include <LibGUI/BoxLayout.h>
#include <LibGUI/Label.h>
#include <LibGUI/Painter.h>
#include <LibGUI/Slider.h>
#include <LibGfx/Color.h>
#include <LibGfx/Rect.h>
#include <utility>
namespace PixelPaint {
@ -70,7 +74,7 @@ void BrushTool::draw_point(Gfx::Bitmap& bitmap, const Gfx::Color& color, const G
if (distance >= m_size)
continue;
auto falloff = (1.0 - (distance / (float)m_size)) * 0.2;
auto falloff = (1.0 - (distance / (float)m_size)) * (1.0f / (100 - m_hardness));
auto pixel_color = color;
pixel_color.set_alpha(falloff * 255);
bitmap.set_pixel(x, y, bitmap.get_pixel(x, y).blend(pixel_color));
@ -111,4 +115,52 @@ void BrushTool::draw_line(Gfx::Bitmap& bitmap, const Gfx::Color& color, const Gf
}
}
GUI::Widget* BrushTool::get_properties_widget()
{
if (!m_properties_widget) {
m_properties_widget = GUI::Widget::construct();
m_properties_widget->set_layout<GUI::VerticalBoxLayout>();
auto& size_container = m_properties_widget->add<GUI::Widget>();
size_container.set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
size_container.set_preferred_size(0, 20);
size_container.set_layout<GUI::HorizontalBoxLayout>();
auto& size_label = size_container.add<GUI::Label>("Size:");
size_label.set_text_alignment(Gfx::TextAlignment::CenterLeft);
size_label.set_size_policy(GUI::SizePolicy::Fixed, GUI::SizePolicy::Fixed);
size_label.set_preferred_size(80, 20);
auto& size_slider = size_container.add<GUI::HorizontalSlider>();
size_slider.set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
size_slider.set_preferred_size(0, 20);
size_slider.set_range(1, 100);
size_slider.set_value(m_size);
size_slider.on_value_changed = [this](int value) {
m_size = value;
};
auto& hardness_container = m_properties_widget->add<GUI::Widget>();
hardness_container.set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
hardness_container.set_preferred_size(0, 20);
hardness_container.set_layout<GUI::HorizontalBoxLayout>();
auto& hardness_label = hardness_container.add<GUI::Label>("Hardness:");
hardness_label.set_text_alignment(Gfx::TextAlignment::CenterLeft);
hardness_label.set_size_policy(GUI::SizePolicy::Fixed, GUI::SizePolicy::Fixed);
hardness_label.set_preferred_size(80, 20);
auto& hardness_slider = hardness_container.add<GUI::HorizontalSlider>();
hardness_slider.set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
hardness_slider.set_preferred_size(0, 20);
hardness_slider.set_range(1, 99);
hardness_slider.set_value(m_hardness);
hardness_slider.on_value_changed = [this](int value) {
m_hardness = value;
};
}
return m_properties_widget.ptr();
}
}