Applications: Move to Userland/Applications/

2025-07-25 18:37:35 +00:00 · 2021-01-12 12:05:23 +01:00 · 2021-01-12 12:05:23 +01:00 · dc28c07fa5
commit dc28c07fa5
parent aa939c4b4b
287 changed files with 1 additions and 1 deletions
--- a/Userland/Applications/PixelPaint/BucketTool.cpp
+++ b/Userland/Applications/PixelPaint/BucketTool.cpp
@ -0,0 +1,133 @@
+/*
+ * 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 "BucketTool.h"
+#include "ImageEditor.h"
+#include "Layer.h"
+#include <AK/Queue.h>
+#include <LibGUI/BoxLayout.h>
+#include <LibGUI/Label.h>
+#include <LibGUI/Painter.h>
+#include <LibGUI/Slider.h>
+#include <LibGfx/Bitmap.h>
+#include <LibGfx/Rect.h>
+
+namespace PixelPaint {
+
+BucketTool::BucketTool()
+{
+}
+
+BucketTool::~BucketTool()
+{
+}
+
+static float color_distance_squared(const Gfx::Color& lhs, const Gfx::Color& 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, const Gfx::IntPoint& start_position, Color target_color, Color fill_color, int threshold)
+{
+    ASSERT(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);
+    while (!queue.is_empty()) {
+        auto position = queue.dequeue();
+
+        auto pixel_color = bitmap.get_pixel<Gfx::StorageFormat::RGBA32>(position.x(), position.y());
+        if (color_distance_squared(pixel_color, target_color) > threshold_normalized_squared)
+            continue;
+
+        bitmap.set_pixel<Gfx::StorageFormat::RGBA32>(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, GUI::MouseEvent& event, GUI::MouseEvent&)
+{
+    if (!layer.rect().contains(event.position()))
+        return;
+
+    GUI::Painter painter(layer.bitmap());
+    auto target_color = layer.bitmap().get_pixel(event.x(), event.y());
+
+    flood_fill(layer.bitmap(), event.position(), target_color, m_editor->color_for(event), m_threshold);
+
+    layer.did_modify_bitmap(*m_editor->image());
+    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::HorizontalSlider>();
+        threshold_slider.set_fixed_height(20);
+        threshold_slider.set_range(0, 100);
+        threshold_slider.set_value(m_threshold);
+        threshold_slider.on_change = [this](int value) {
+            m_threshold = value;
+        };
+    }
+
+    return m_properties_widget.ptr();
+}
+
+}