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
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
|
/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#include "editor/photo_editor.h"
#include "core/application.h"
#include "core/core_settings.h"
#include "editor/color_picker.h"
#include "editor/controllers/controllers.h"
#include "editor/photo_editor_content.h"
#include "editor/photo_editor_controls.h"
#include "window/window_controller.h"
#include "window/window_session_controller.h"
#include "ui/layers/layer_widget.h"
#include "styles/style_editor.h"
namespace Editor {
namespace {
constexpr auto kPrecision = 100000;
[[nodiscard]] QByteArray Serialize(const Brush &brush) {
auto result = QByteArray();
auto stream = QDataStream(&result, QIODevice::WriteOnly);
stream.setVersion(QDataStream::Qt_5_3);
stream << qint32(brush.sizeRatio * kPrecision) << brush.color;
stream.device()->close();
return result;
}
[[nodiscard]] Brush Deserialize(const QByteArray &data) {
auto stream = QDataStream(data);
auto result = Brush();
auto size = qint32(0);
stream >> size >> result.color;
result.sizeRatio = size / float(kPrecision);
return (stream.status() != QDataStream::Ok)
? Brush()
: result;
}
} // namespace
PhotoEditor::PhotoEditor(
not_null<QWidget*> parent,
not_null<Window::Controller*> controller,
std::shared_ptr<Image> photo,
PhotoModifications modifications,
EditorData data)
: RpWidget(parent)
, _modifications(std::move(modifications))
, _controllers(std::make_shared<Controllers>(
controller->sessionController()
? std::make_unique<StickersPanelController>(
this,
controller->sessionController())
: nullptr,
std::make_unique<UndoController>(),
std::make_shared<Window::Show>(controller)))
, _content(base::make_unique_q<PhotoEditorContent>(
this,
photo,
_modifications,
_controllers,
data))
, _controls(base::make_unique_q<PhotoEditorControls>(
this,
_controllers,
_modifications,
data))
, _colorPicker(std::make_unique<ColorPicker>(
this,
Deserialize(Core::App().settings().photoEditorBrush()))) {
sizeValue(
) | rpl::start_with_next([=](const QSize &size) {
if (size.isEmpty()) {
return;
}
_content->setGeometry(rect() - st::photoEditorContentMargins);
}, lifetime());
_content->innerRect(
) | rpl::start_with_next([=](QRect inner) {
if (inner.isEmpty()) {
return;
}
const auto innerTop = _content->y() + inner.top();
const auto skip = st::photoEditorCropPointSize;
const auto controlsRect = rect()
- style::margins(0, innerTop + inner.height() + skip, 0, 0);
_controls->setGeometry(controlsRect);
}, lifetime());
_controls->colorLinePositionValue(
) | rpl::start_with_next([=](const QPoint &p) {
_colorPicker->moveLine(p);
}, _controls->lifetime());
_controls->colorLineShownValue(
) | rpl::start_with_next([=](bool shown) {
_colorPicker->setVisible(shown);
}, _controls->lifetime());
_mode.value(
) | rpl::start_with_next([=](const PhotoEditorMode &mode) {
_content->applyMode(mode);
_controls->applyMode(mode);
}, lifetime());
_controls->rotateRequests(
) | rpl::start_with_next([=](int angle) {
_modifications.angle += 90;
if (_modifications.angle >= 360) {
_modifications.angle -= 360;
}
_content->applyModifications(_modifications);
}, lifetime());
_controls->flipRequests(
) | rpl::start_with_next([=] {
_modifications.flipped = !_modifications.flipped;
_content->applyModifications(_modifications);
}, lifetime());
_controls->paintModeRequests(
) | rpl::start_with_next([=] {
_mode = PhotoEditorMode{
.mode = PhotoEditorMode::Mode::Paint,
.action = PhotoEditorMode::Action::None,
};
}, lifetime());
_controls->doneRequests(
) | rpl::start_with_next([=] {
const auto mode = _mode.current().mode;
if (mode == PhotoEditorMode::Mode::Paint) {
_mode = PhotoEditorMode{
.mode = PhotoEditorMode::Mode::Transform,
.action = PhotoEditorMode::Action::Save,
};
} else if (mode == PhotoEditorMode::Mode::Transform) {
_mode = PhotoEditorMode{
.mode = PhotoEditorMode::Mode::Out,
.action = PhotoEditorMode::Action::Save,
};
save();
}
}, lifetime());
_controls->cancelRequests(
) | rpl::start_with_next([=] {
const auto mode = _mode.current().mode;
if (mode == PhotoEditorMode::Mode::Paint) {
_mode = PhotoEditorMode{
.mode = PhotoEditorMode::Mode::Transform,
.action = PhotoEditorMode::Action::Discard,
};
} else if (mode == PhotoEditorMode::Mode::Transform) {
_mode = PhotoEditorMode{
.mode = PhotoEditorMode::Mode::Out,
.action = PhotoEditorMode::Action::Discard,
};
_cancel.fire({});
}
}, lifetime());
_colorPicker->saveBrushRequests(
) | rpl::start_with_next([=](const Brush &brush) {
_content->applyBrush(brush);
const auto serialized = Serialize(brush);
if (Core::App().settings().photoEditorBrush() != serialized) {
Core::App().settings().setPhotoEditorBrush(serialized);
Core::App().saveSettingsDelayed();
}
}, lifetime());
}
void PhotoEditor::keyPressEvent(QKeyEvent *e) {
if (!_colorPicker->preventHandleKeyPress()) {
_content->handleKeyPress(e) || _controls->handleKeyPress(e);
}
}
void PhotoEditor::save() {
_content->save(_modifications);
_done.fire_copy(_modifications);
}
rpl::producer<PhotoModifications> PhotoEditor::doneRequests() const {
return _done.events();
}
rpl::producer<> PhotoEditor::cancelRequests() const {
return _cancel.events();
}
void InitEditorLayer(
not_null<Ui::LayerWidget*> layer,
not_null<PhotoEditor*> editor,
Fn<void(PhotoModifications)> doneCallback) {
editor->cancelRequests(
) | rpl::start_with_next([=] {
layer->closeLayer();
}, editor->lifetime());
const auto weak = Ui::MakeWeak(layer.get());
editor->doneRequests(
) | rpl::start_with_next([=, done = std::move(doneCallback)](
const PhotoModifications &mods) {
done(mods);
if (const auto strong = weak.data()) {
strong->closeLayer();
}
}, editor->lifetime());
}
} // namespace Editor
|
