PixelPaint: Move Tools to it's own subdirectory

The PixelPaint source directory was getting a bit large, let's move all the Tools to it's own subdirectory. Also remove some unused includes.
2025-07-26 12:17:35 +00:00 · 2021-09-17 09:54:55 +02:00 · 2021-09-17 09:54:55 +02:00 · f9e0815c3b
commit f9e0815c3b
parent 61ad239ee0
35 changed files with 67 additions and 69 deletions
--- a/Userland/Applications/PixelPaint/Tools/BucketTool.cpp
+++ b/Userland/Applications/PixelPaint/Tools/BucketTool.cpp
@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include "BucketTool.h"
+#include "../ImageEditor.h"
+#include "../Layer.h"
+#include <AK/HashTable.h>
+#include <AK/Queue.h>
+#include <LibGUI/BoxLayout.h>
+#include <LibGUI/Label.h>
+#include <LibGUI/Painter.h>
+#include <LibGUI/ValueSlider.h>
+#include <LibGfx/Bitmap.h>
+#include <LibGfx/Rect.h>
+
+namespace PixelPaint {
+
+BucketTool::BucketTool()
+{
+}
+
+BucketTool::~BucketTool()
+{
+}
+
+static float color_distance_squared(Gfx::Color const& lhs, Gfx::Color const& rhs)
+{
+    int a = rhs.red() - lhs.red();
+    int b = rhs.green() - lhs.green();
+    int c = rhs.blue() - lhs.blue();
+    return (a * a + b * b + c * c) / (255.0f * 255.0f);
+}
+
+static void flood_fill(Gfx::Bitmap& bitmap, Gfx::IntPoint const& start_position, Color target_color, Color fill_color, int threshold)
+{
+    VERIFY(bitmap.bpp() == 32);
+
+    if (target_color == fill_color)
+        return;
+
+    if (!bitmap.rect().contains(start_position))
+        return;
+
+    float threshold_normalized_squared = (threshold / 100.0f) * (threshold / 100.0f);
+
+    Queue<Gfx::IntPoint> queue;
+    queue.enqueue(start_position);
+    HashTable<Gfx::IntPoint> visited;
+    while (!queue.is_empty()) {
+        auto position = queue.dequeue();
+        if (visited.contains(position))
+            continue;
+        visited.set(position);
+
+        auto pixel_color = bitmap.get_pixel<Gfx::StorageFormat::BGRA8888>(position.x(), position.y());
+        if (color_distance_squared(pixel_color, target_color) > threshold_normalized_squared)
+            continue;
+
+        bitmap.set_pixel<Gfx::StorageFormat::BGRA8888>(position.x(), position.y(), fill_color);
+
+        if (position.x() != 0)
+            queue.enqueue(position.translated(-1, 0));
+
+        if (position.x() != bitmap.width() - 1)
+            queue.enqueue(position.translated(1, 0));
+
+        if (position.y() != 0)
+            queue.enqueue(position.translated(0, -1));
+
+        if (position.y() != bitmap.height() - 1)
+            queue.enqueue(position.translated(0, 1));
+    }
+}
+
+void BucketTool::on_mousedown(Layer* layer, MouseEvent& event)
+{
+    if (!layer)
+        return;
+
+    auto& layer_event = event.layer_event();
+    if (!layer->rect().contains(layer_event.position()))
+        return;
+
+    GUI::Painter painter(layer->bitmap());
+    auto target_color = layer->bitmap().get_pixel(layer_event.x(), layer_event.y());
+
+    flood_fill(layer->bitmap(), layer_event.position(), target_color, m_editor->color_for(layer_event), m_threshold);
+
+    layer->did_modify_bitmap();
+    m_editor->did_complete_action();
+}
+
+GUI::Widget* BucketTool::get_properties_widget()
+{
+    if (!m_properties_widget) {
+        m_properties_widget = GUI::Widget::construct();
+        m_properties_widget->set_layout<GUI::VerticalBoxLayout>();
+
+        auto& threshold_container = m_properties_widget->add<GUI::Widget>();
+        threshold_container.set_fixed_height(20);
+        threshold_container.set_layout<GUI::HorizontalBoxLayout>();
+
+        auto& threshold_label = threshold_container.add<GUI::Label>("Threshold:");
+        threshold_label.set_text_alignment(Gfx::TextAlignment::CenterLeft);
+        threshold_label.set_fixed_size(80, 20);
+
+        auto& threshold_slider = threshold_container.add<GUI::ValueSlider>(Orientation::Horizontal, "%");
+        threshold_slider.set_range(0, 100);
+        threshold_slider.set_value(m_threshold);
+
+        threshold_slider.on_change = [&](int value) {
+            m_threshold = value;
+        };
+        set_primary_slider(&threshold_slider);
+    }
+
+    return m_properties_widget.ptr();
+}
+
+}