author | koda |
Wed, 02 May 2012 08:07:17 +0100 | |
changeset 6986 | 409dd3851309 |
parent 6952 | 7f70f37bbf08 |
child 7146 | a822413207c9 |
permissions | -rw-r--r-- |
4976 | 1 |
/* |
2 |
* Hedgewars, a free turn based strategy game |
|
6952 | 3 |
* Copyright (c) 2004-2012 Andrey Korotaev <unC0Rr@gmail.com> |
4976 | 4 |
* |
5 |
* This program is free software; you can redistribute it and/or modify |
|
6 |
* it under the terms of the GNU General Public License as published by |
|
7 |
* the Free Software Foundation; version 2 of the License |
|
8 |
* |
|
9 |
* This program is distributed in the hope that it will be useful, |
|
10 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
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* GNU General Public License for more details. |
|
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* |
|
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* You should have received a copy of the GNU General Public License |
|
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* along with this program; if not, write to the Free Software |
|
16 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
|
17 |
*/ |
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18 |
||
4423 | 19 |
#include <QGraphicsSceneMouseEvent> |
4426 | 20 |
#include <QGraphicsPathItem> |
4427 | 21 |
#include <QtEndian> |
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#include <QDebug> |
4423 | 23 |
|
24 |
#include "drawmapscene.h" |
|
25 |
||
4434 | 26 |
template <class T> T sqr(const T & x) |
27 |
{ |
|
28 |
return x*x; |
|
29 |
} |
|
30 |
||
4423 | 31 |
DrawMapScene::DrawMapScene(QObject *parent) : |
4424 | 32 |
QGraphicsScene(parent), |
4426 | 33 |
m_pen(Qt::yellow), |
6934
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Cursor for DrawMapScene. Feel free to ajust its look.
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|
34 |
m_brush(Qt::yellow), |
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Cursor for DrawMapScene. Feel free to ajust its look.
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|
35 |
m_cursor(new QGraphicsEllipseItem(-0.5, -0.5, 1, 1)) |
4423 | 36 |
{ |
37 |
setSceneRect(0, 0, 4096, 2048); |
|
4424 | 38 |
|
39 |
QLinearGradient gradient(0, 0, 0, 2048); |
|
4426 | 40 |
gradient.setColorAt(0, QColor(60, 60, 155)); |
41 |
gradient.setColorAt(1, QColor(155, 155, 60)); |
|
6873 | 42 |
|
43 |
m_eraser = QBrush(gradient); |
|
44 |
setBackgroundBrush(m_eraser); |
|
45 |
m_isErasing = false; |
|
4424 | 46 |
|
6784 | 47 |
m_pen.setWidth(76); |
4426 | 48 |
m_pen.setJoinStyle(Qt::RoundJoin); |
49 |
m_pen.setCapStyle(Qt::RoundCap); |
|
50 |
m_currPath = 0; |
|
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Cursor for DrawMapScene. Feel free to ajust its look.
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51 |
|
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Cursor for DrawMapScene. Feel free to ajust its look.
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52 |
m_isCursorShown = false; |
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Cursor for DrawMapScene. Feel free to ajust its look.
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53 |
m_cursor->setPen(QPen(Qt::green)); |
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Cursor for DrawMapScene. Feel free to ajust its look.
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54 |
m_cursor->setZValue(1); |
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55 |
m_cursor->setScale(m_pen.width()); |
4423 | 56 |
} |
57 |
||
58 |
void DrawMapScene::mouseMoveEvent(QGraphicsSceneMouseEvent * mouseEvent) |
|
59 |
{ |
|
4426 | 60 |
if(m_currPath && (mouseEvent->buttons() & Qt::LeftButton)) |
61 |
{ |
|
62 |
QPainterPath path = m_currPath->path(); |
|
4937 | 63 |
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use ctrl instead of alt to avoid colliding with linux window positioning
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if(mouseEvent->modifiers() & Qt::ControlModifier) |
4937 | 65 |
{ |
66 |
int c = path.elementCount(); |
|
67 |
QPointF pos = mouseEvent->scenePos(); |
|
68 |
path.setElementPositionAt(c - 1, pos.x(), pos.y()); |
|
69 |
||
6616
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astyle -C -S -L -N --style=allman --recursive "QTfrontend/*.cpp" "QTfrontend/*.h"
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70 |
} |
f77bb02b669f
astyle -C -S -L -N --style=allman --recursive "QTfrontend/*.cpp" "QTfrontend/*.h"
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71 |
else |
4937 | 72 |
{ |
73 |
path.lineTo(mouseEvent->scenePos()); |
|
6873 | 74 |
paths.first().points.append(mouseEvent->scenePos().toPoint()); |
4937 | 75 |
} |
4426 | 76 |
m_currPath->setPath(path); |
4427 | 77 |
|
78 |
emit pathChanged(); |
|
4426 | 79 |
} |
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Cursor for DrawMapScene. Feel free to ajust its look.
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Cursor for DrawMapScene. Feel free to ajust its look.
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if(!m_isCursorShown) |
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showCursor(); |
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m_cursor->setPos(mouseEvent->scenePos()); |
4423 | 84 |
} |
85 |
||
86 |
void DrawMapScene::mousePressEvent(QGraphicsSceneMouseEvent * mouseEvent) |
|
87 |
{ |
|
4426 | 88 |
m_currPath = addPath(QPainterPath(), m_pen); |
89 |
||
90 |
QPainterPath path = m_currPath->path(); |
|
91 |
QPointF p = mouseEvent->scenePos(); |
|
92 |
p += QPointF(0.01, 0.01); |
|
93 |
path.moveTo(p); |
|
94 |
path.lineTo(mouseEvent->scenePos()); |
|
6873 | 95 |
|
96 |
PathParams params; |
|
97 |
params.width = serializePenWidth(m_pen.width()); |
|
98 |
params.erasing = m_isErasing; |
|
99 |
params.points = QList<QPoint>() << mouseEvent->scenePos().toPoint(); |
|
100 |
paths.prepend(params); |
|
4426 | 101 |
m_currPath->setPath(path); |
102 |
||
4427 | 103 |
emit pathChanged(); |
4423 | 104 |
} |
105 |
||
106 |
void DrawMapScene::mouseReleaseEvent(QGraphicsSceneMouseEvent * mouseEvent) |
|
107 |
{ |
|
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b7483e29ea8c
Fixing issue 211. Check to see if m_currPath is NULL before doing anything in mouseReleaseEvent. Multiple mouse release events can occur after a mouse press and before the next mouse press if you mouse-click really fast.
Zorg <zorgiepoo@gmail.com>
parents:
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108 |
if (m_currPath) |
b7483e29ea8c
Fixing issue 211. Check to see if m_currPath is NULL before doing anything in mouseReleaseEvent. Multiple mouse release events can occur after a mouse press and before the next mouse press if you mouse-click really fast.
Zorg <zorgiepoo@gmail.com>
parents:
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109 |
{ |
b7483e29ea8c
Fixing issue 211. Check to see if m_currPath is NULL before doing anything in mouseReleaseEvent. Multiple mouse release events can occur after a mouse press and before the next mouse press if you mouse-click really fast.
Zorg <zorgiepoo@gmail.com>
parents:
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|
110 |
QPainterPath path = m_currPath->path(); |
b7483e29ea8c
Fixing issue 211. Check to see if m_currPath is NULL before doing anything in mouseReleaseEvent. Multiple mouse release events can occur after a mouse press and before the next mouse press if you mouse-click really fast.
Zorg <zorgiepoo@gmail.com>
parents:
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|
111 |
path.lineTo(mouseEvent->scenePos()); |
6873 | 112 |
paths.first().points.append(mouseEvent->scenePos().toPoint()); |
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Fixing issue 211. Check to see if m_currPath is NULL before doing anything in mouseReleaseEvent. Multiple mouse release events can occur after a mouse press and before the next mouse press if you mouse-click really fast.
Zorg <zorgiepoo@gmail.com>
parents:
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113 |
m_currPath->setPath(path); |
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|
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Fixing issue 211. Check to see if m_currPath is NULL before doing anything in mouseReleaseEvent. Multiple mouse release events can occur after a mouse press and before the next mouse press if you mouse-click really fast.
Zorg <zorgiepoo@gmail.com>
parents:
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115 |
simplifyLast(); |
4439 | 116 |
|
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b7483e29ea8c
Fixing issue 211. Check to see if m_currPath is NULL before doing anything in mouseReleaseEvent. Multiple mouse release events can occur after a mouse press and before the next mouse press if you mouse-click really fast.
Zorg <zorgiepoo@gmail.com>
parents:
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117 |
m_currPath = 0; |
b7483e29ea8c
Fixing issue 211. Check to see if m_currPath is NULL before doing anything in mouseReleaseEvent. Multiple mouse release events can occur after a mouse press and before the next mouse press if you mouse-click really fast.
Zorg <zorgiepoo@gmail.com>
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118 |
} |
4423 | 119 |
} |
4424 | 120 |
|
6781 | 121 |
void DrawMapScene::wheelEvent(QGraphicsSceneWheelEvent * wheelEvent) |
122 |
{ |
|
6784 | 123 |
if(wheelEvent->delta() > 0 && m_pen.width() < 516) |
6781 | 124 |
m_pen.setWidth(m_pen.width() + 10); |
6784 | 125 |
else if(wheelEvent->delta() < 0 && m_pen.width() >= 16) |
6781 | 126 |
m_pen.setWidth(m_pen.width() - 10); |
127 |
||
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m_cursor->setScale(m_pen.width()); |
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129 |
|
6781 | 130 |
if(m_currPath) |
131 |
{ |
|
132 |
m_currPath->setPen(m_pen); |
|
6873 | 133 |
paths.first().width = serializePenWidth(m_pen.width()); |
6781 | 134 |
} |
135 |
} |
|
136 |
||
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Cursor for DrawMapScene. Feel free to ajust its look.
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void DrawMapScene::showCursor() |
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Cursor for DrawMapScene. Feel free to ajust its look.
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{ |
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Cursor for DrawMapScene. Feel free to ajust its look.
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qDebug() << "show cursor"; |
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Cursor for DrawMapScene. Feel free to ajust its look.
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if(!m_isCursorShown) |
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Cursor for DrawMapScene. Feel free to ajust its look.
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addItem(m_cursor); |
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Cursor for DrawMapScene. Feel free to ajust its look.
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|
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Cursor for DrawMapScene. Feel free to ajust its look.
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m_isCursorShown = true; |
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Cursor for DrawMapScene. Feel free to ajust its look.
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} |
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Cursor for DrawMapScene. Feel free to ajust its look.
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145 |
|
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Cursor for DrawMapScene. Feel free to ajust its look.
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void DrawMapScene::hideCursor() |
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Cursor for DrawMapScene. Feel free to ajust its look.
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{ |
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Cursor for DrawMapScene. Feel free to ajust its look.
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qDebug() << "hide cursor"; |
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Cursor for DrawMapScene. Feel free to ajust its look.
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if(m_isCursorShown) |
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Cursor for DrawMapScene. Feel free to ajust its look.
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removeItem(m_cursor); |
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Cursor for DrawMapScene. Feel free to ajust its look.
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|
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Cursor for DrawMapScene. Feel free to ajust its look.
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m_isCursorShown = false; |
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Cursor for DrawMapScene. Feel free to ajust its look.
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153 |
} |
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Cursor for DrawMapScene. Feel free to ajust its look.
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154 |
|
4426 | 155 |
void DrawMapScene::undo() |
4424 | 156 |
{ |
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Cursor for DrawMapScene. Feel free to ajust its look.
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157 |
// cursor is a part of items() |
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Cursor for DrawMapScene. Feel free to ajust its look.
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if(m_isCursorShown) |
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Cursor for DrawMapScene. Feel free to ajust its look.
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159 |
return; |
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160 |
|
4426 | 161 |
if(items().size()) |
4427 | 162 |
{ |
4426 | 163 |
removeItem(items().first()); |
4439 | 164 |
paths.removeFirst(); |
4427 | 165 |
|
166 |
emit pathChanged(); |
|
167 |
} |
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168 |
else if(oldItems.size()) |
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169 |
{ |
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170 |
while(oldItems.size()) |
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171 |
addItem(oldItems.takeFirst()); |
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172 |
paths = oldPaths; |
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173 |
|
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174 |
emit pathChanged(); |
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|
175 |
} |
4424 | 176 |
} |
4427 | 177 |
|
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178 |
void DrawMapScene::clearMap() |
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{ |
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Cursor for DrawMapScene. Feel free to ajust its look.
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// cursor is a part of items() |
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181 |
if(m_isCursorShown) |
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Cursor for DrawMapScene. Feel free to ajust its look.
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182 |
return; |
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|
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184 |
// don't clear if already cleared |
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185 |
if(!items().size()) |
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186 |
return; |
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187 |
|
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188 |
oldItems.clear(); |
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189 |
|
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190 |
// do this since clear() would _destroy_ all items |
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while(items().size()) |
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192 |
{ |
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193 |
oldItems.push_front(items().first()); |
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194 |
removeItem(items().first()); |
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195 |
} |
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196 |
|
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197 |
oldPaths = paths; |
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198 |
|
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199 |
paths.clear(); |
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200 |
|
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|
201 |
emit pathChanged(); |
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|
202 |
} |
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|
203 |
|
6873 | 204 |
|
205 |
void DrawMapScene::setErasing(bool erasing) |
|
206 |
{ |
|
207 |
m_isErasing = erasing; |
|
208 |
if(erasing) |
|
209 |
m_pen.setBrush(m_eraser); |
|
210 |
else |
|
211 |
m_pen.setBrush(m_brush); |
|
212 |
} |
|
213 |
||
4427 | 214 |
QByteArray DrawMapScene::encode() |
215 |
{ |
|
216 |
QByteArray b; |
|
217 |
||
4666 | 218 |
for(int i = paths.size() - 1; i >= 0; --i) |
4427 | 219 |
{ |
220 |
int cnt = 0; |
|
6873 | 221 |
PathParams params = paths.at(i); |
222 |
foreach(QPoint point, params.points) |
|
4427 | 223 |
{ |
224 |
qint16 px = qToBigEndian((qint16)point.x()); |
|
225 |
qint16 py = qToBigEndian((qint16)point.y()); |
|
6781 | 226 |
quint8 flags = 0; |
6873 | 227 |
if(!cnt) flags = 0x80 + params.width; |
228 |
if(params.erasing) flags |= 0x40; |
|
4427 | 229 |
b.append((const char *)&px, 2); |
230 |
b.append((const char *)&py, 2); |
|
4457 | 231 |
b.append((const char *)&flags, 1); |
4427 | 232 |
|
233 |
++cnt; |
|
234 |
} |
|
235 |
||
236 |
} |
|
237 |
||
238 |
return b; |
|
239 |
} |
|
4434 | 240 |
|
4442 | 241 |
void DrawMapScene::decode(QByteArray data) |
242 |
{ |
|
6873 | 243 |
bool erasing = m_isErasing; |
244 |
||
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hand drawn map editor: allow "undo" after "clear"
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|
245 |
oldItems.clear(); |
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changeset
|
246 |
oldPaths.clear(); |
4442 | 247 |
clear(); |
248 |
paths.clear(); |
|
249 |
||
6873 | 250 |
PathParams params; |
4442 | 251 |
|
252 |
while(data.size() >= 5) |
|
253 |
{ |
|
254 |
qint16 px = qFromBigEndian(*(qint16 *)data.data()); |
|
255 |
data.remove(0, 2); |
|
256 |
qint16 py = qFromBigEndian(*(qint16 *)data.data()); |
|
257 |
data.remove(0, 2); |
|
4457 | 258 |
quint8 flags = *(quint8 *)data.data(); |
259 |
data.remove(0, 1); |
|
4442 | 260 |
|
6781 | 261 |
if(flags & 0x80) |
4442 | 262 |
{ |
6873 | 263 |
if(params.points.size()) |
6781 | 264 |
{ |
6873 | 265 |
addPath(pointsToPath(params.points), m_pen); |
6781 | 266 |
|
6873 | 267 |
paths.prepend(params); |
4666 | 268 |
|
6873 | 269 |
params.points.clear(); |
6781 | 270 |
} |
271 |
||
6873 | 272 |
quint8 penWidth = flags & 0x3f; |
6781 | 273 |
m_pen.setWidth(deserializePenWidth(penWidth)); |
6873 | 274 |
if(flags & 0x40) |
275 |
m_pen.setBrush(m_eraser); |
|
276 |
else |
|
277 |
m_pen.setBrush(m_brush); |
|
278 |
params.width = penWidth; |
|
4666 | 279 |
} |
4442 | 280 |
|
6873 | 281 |
params.points.append(QPoint(px, py)); |
4666 | 282 |
} |
283 |
||
6873 | 284 |
if(params.points.size()) |
4666 | 285 |
{ |
6873 | 286 |
addPath(pointsToPath(params.points), m_pen); |
287 |
paths.prepend(params); |
|
4442 | 288 |
} |
4560
5d6c7f88db73
- Some work on drawMap widget and scene to allow undo, clear, save and load operations
unc0rr
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diff
changeset
|
289 |
|
5d6c7f88db73
- Some work on drawMap widget and scene to allow undo, clear, save and load operations
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diff
changeset
|
290 |
emit pathChanged(); |
6873 | 291 |
|
292 |
setErasing(erasing); |
|
4442 | 293 |
} |
294 |
||
4439 | 295 |
void DrawMapScene::simplifyLast() |
4434 | 296 |
{ |
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- Some work on drawMap widget and scene to allow undo, clear, save and load operations
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parents:
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diff
changeset
|
297 |
if(!paths.size()) return; |
5d6c7f88db73
- Some work on drawMap widget and scene to allow undo, clear, save and load operations
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parents:
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diff
changeset
|
298 |
|
6873 | 299 |
QList<QPoint> points = paths.at(0).points; |
4439 | 300 |
|
301 |
QPoint prevPoint = points.first(); |
|
302 |
int i = 1; |
|
303 |
while(i < points.size()) |
|
4434 | 304 |
{ |
4471 | 305 |
if( (i != points.size() - 1) |
6616
f77bb02b669f
astyle -C -S -L -N --style=allman --recursive "QTfrontend/*.cpp" "QTfrontend/*.h"
nemo
parents:
5858
diff
changeset
|
306 |
&& (sqr(prevPoint.x() - points[i].x()) + sqr(prevPoint.y() - points[i].y()) < 1000) |
4471 | 307 |
) |
4439 | 308 |
points.removeAt(i); |
309 |
else |
|
310 |
{ |
|
311 |
prevPoint = points[i]; |
|
312 |
++i; |
|
313 |
} |
|
314 |
} |
|
4434 | 315 |
|
6873 | 316 |
paths[0].points = points; |
4439 | 317 |
|
318 |
||
319 |
// redraw path |
|
320 |
{ |
|
6934
14a230552c2e
Cursor for DrawMapScene. Feel free to ajust its look.
unc0rr
parents:
6873
diff
changeset
|
321 |
QGraphicsPathItem * pathItem = static_cast<QGraphicsPathItem *>(items()[m_isCursorShown ? 1 : 0]); |
6873 | 322 |
pathItem->setPath(pointsToPath(paths[0].points)); |
4434 | 323 |
} |
324 |
||
325 |
emit pathChanged(); |
|
326 |
} |
|
4442 | 327 |
|
6935 | 328 |
int DrawMapScene::pointsCount() |
329 |
{ |
|
330 |
int cnt = 0; |
|
331 |
foreach(PathParams p, paths) |
|
332 |
cnt += p.points.size(); |
|
333 |
||
334 |
return cnt; |
|
335 |
} |
|
336 |
||
4442 | 337 |
QPainterPath DrawMapScene::pointsToPath(const QList<QPoint> points) |
338 |
{ |
|
339 |
QPainterPath path; |
|
340 |
||
341 |
if(points.size()) |
|
342 |
{ |
|
343 |
QPointF p = points[0] + QPointF(0.01, 0.01); |
|
344 |
path.moveTo(p); |
|
345 |
||
346 |
foreach(QPoint p, points) |
|
6616
f77bb02b669f
astyle -C -S -L -N --style=allman --recursive "QTfrontend/*.cpp" "QTfrontend/*.h"
nemo
parents:
5858
diff
changeset
|
347 |
path.lineTo(p); |
4442 | 348 |
} |
349 |
||
350 |
return path; |
|
351 |
} |
|
6781 | 352 |
|
353 |
quint8 DrawMapScene::serializePenWidth(int width) |
|
354 |
{ |
|
355 |
return (width - 6) / 10; |
|
356 |
} |
|
357 |
||
358 |
int DrawMapScene::deserializePenWidth(quint8 width) |
|
359 |
{ |
|
360 |
return width * 10 + 6; |
|
361 |
} |