Applications: Move to Userland/Applications/

2025-07-25 16:47:36 +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/PenTool.cpp
+++ b/Userland/Applications/PixelPaint/PenTool.cpp
@ -0,0 +1,128 @@
+/*
+ * 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 "PenTool.h"
+#include "ImageEditor.h"
+#include "Layer.h"
+#include <LibGUI/Action.h>
+#include <LibGUI/BoxLayout.h>
+#include <LibGUI/Label.h>
+#include <LibGUI/Menu.h>
+#include <LibGUI/Painter.h>
+#include <LibGUI/Slider.h>
+
+namespace PixelPaint {
+
+PenTool::PenTool()
+{
+}
+
+PenTool::~PenTool()
+{
+}
+
+void PenTool::on_mousedown(Layer& layer, GUI::MouseEvent& event, GUI::MouseEvent&)
+{
+    if (event.button() != GUI::MouseButton::Left && event.button() != GUI::MouseButton::Right)
+        return;
+
+    GUI::Painter painter(layer.bitmap());
+    painter.draw_line(event.position(), event.position(), m_editor->color_for(event), m_thickness);
+    layer.did_modify_bitmap(*m_editor->image());
+    m_last_drawing_event_position = event.position();
+}
+
+void PenTool::on_mouseup(Layer&, GUI::MouseEvent& event, GUI::MouseEvent&)
+{
+    if (event.button() == GUI::MouseButton::Left || event.button() == GUI::MouseButton::Right) {
+        m_last_drawing_event_position = { -1, -1 };
+        m_editor->did_complete_action();
+    }
+}
+
+void PenTool::on_mousemove(Layer& layer, GUI::MouseEvent& event, GUI::MouseEvent&)
+{
+    if (!(event.buttons() & GUI::MouseButton::Left || event.buttons() & GUI::MouseButton::Right))
+        return;
+    GUI::Painter painter(layer.bitmap());
+
+    if (m_last_drawing_event_position != Gfx::IntPoint(-1, -1))
+        painter.draw_line(m_last_drawing_event_position, event.position(), m_editor->color_for(event), m_thickness);
+    else
+        painter.draw_line(event.position(), event.position(), m_editor->color_for(event), m_thickness);
+    layer.did_modify_bitmap(*m_editor->image());
+
+    m_last_drawing_event_position = event.position();
+}
+
+void PenTool::on_tool_button_contextmenu(GUI::ContextMenuEvent& event)
+{
+    if (!m_context_menu) {
+        m_context_menu = GUI::Menu::construct();
+        m_thickness_actions.set_exclusive(true);
+        auto insert_action = [&](int size, bool checked = false) {
+            auto action = GUI::Action::create_checkable(String::number(size), [this, size](auto&) {
+                m_thickness = size;
+            });
+            action->set_checked(checked);
+            m_thickness_actions.add_action(*action);
+            m_context_menu->add_action(move(action));
+        };
+        insert_action(1, true);
+        insert_action(2);
+        insert_action(3);
+        insert_action(4);
+    }
+    m_context_menu->popup(event.screen_position());
+}
+
+GUI::Widget* PenTool::get_properties_widget()
+{
+    if (!m_properties_widget) {
+        m_properties_widget = GUI::Widget::construct();
+        m_properties_widget->set_layout<GUI::VerticalBoxLayout>();
+
+        auto& thickness_container = m_properties_widget->add<GUI::Widget>();
+        thickness_container.set_fixed_height(20);
+        thickness_container.set_layout<GUI::HorizontalBoxLayout>();
+
+        auto& thickness_label = thickness_container.add<GUI::Label>("Thickness:");
+        thickness_label.set_text_alignment(Gfx::TextAlignment::CenterLeft);
+        thickness_label.set_fixed_size(80, 20);
+
+        auto& thickness_slider = thickness_container.add<GUI::HorizontalSlider>();
+        thickness_slider.set_fixed_height(20);
+        thickness_slider.set_range(1, 20);
+        thickness_slider.set_value(m_thickness);
+        thickness_slider.on_change = [this](int value) {
+            m_thickness = value;
+        };
+    }
+
+    return m_properties_widget.ptr();
+}
+
+}