1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
/*
* 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 "PaintableWidget.h"
#include <LibGUI/Action.h>
#include <LibGUI/Menu.h>
#include <LibGUI/Painter.h>
namespace PaintBrush {
PenTool::PenTool()
{
}
PenTool::~PenTool()
{
}
void PenTool::on_mousedown(Layer& layer, GUI::MouseEvent& event)
{
if (event.button() != GUI::MouseButton::Left && event.button() != GUI::MouseButton::Right)
return;
GUI::Painter painter(layer.bitmap());
painter.draw_line(event.position(), event.position(), PaintableWidget::the().color_for(event), m_thickness);
m_editor->update();
m_last_drawing_event_position = event.position();
}
void PenTool::on_mouseup(Layer&, GUI::MouseEvent& event)
{
if (event.button() == GUI::MouseButton::Left || event.button() == GUI::MouseButton::Right)
m_last_drawing_event_position = { -1, -1 };
}
void PenTool::on_mousemove(Layer& layer, GUI::MouseEvent& event)
{
if (!layer.rect().contains(event.position()))
return;
if (event.buttons() & GUI::MouseButton::Left || event.buttons() & GUI::MouseButton::Right) {
GUI::Painter painter(layer.bitmap());
if (m_last_drawing_event_position != Gfx::Point(-1, -1))
painter.draw_line(m_last_drawing_event_position, event.position(), PaintableWidget::the().color_for(event), m_thickness);
else
painter.draw_line(event.position(), event.position(), PaintableWidget::the().color_for(event), m_thickness);
m_editor->update();
m_last_drawing_event_position = event.position();
}
}
void PenTool::on_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());
}
}
|