QTfrontend/drawmapscene.cpp
author unc0rr
Fri, 13 Apr 2012 00:08:46 +0400
changeset 6883 70aec33185e2
parent 6873 30840365af0a
child 6934 14a230552c2e
permissions -rw-r--r--
Support string constants
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
4976
088d40d8aba2 Happy 2011 :)
koda
parents: 4938
diff changeset
     1
/*
088d40d8aba2 Happy 2011 :)
koda
parents: 4938
diff changeset
     2
 * Hedgewars, a free turn based strategy game
6700
e04da46ee43c the most important commit of the year
koda
parents: 6616
diff changeset
     3
 * Copyright (c) 2012 Andrey Korotaev <unC0Rr@gmail.com>
4976
088d40d8aba2 Happy 2011 :)
koda
parents: 4938
diff changeset
     4
 *
088d40d8aba2 Happy 2011 :)
koda
parents: 4938
diff changeset
     5
 * This program is free software; you can redistribute it and/or modify
088d40d8aba2 Happy 2011 :)
koda
parents: 4938
diff changeset
     6
 * it under the terms of the GNU General Public License as published by
088d40d8aba2 Happy 2011 :)
koda
parents: 4938
diff changeset
     7
 * the Free Software Foundation; version 2 of the License
088d40d8aba2 Happy 2011 :)
koda
parents: 4938
diff changeset
     8
 *
088d40d8aba2 Happy 2011 :)
koda
parents: 4938
diff changeset
     9
 * This program is distributed in the hope that it will be useful,
088d40d8aba2 Happy 2011 :)
koda
parents: 4938
diff changeset
    10
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
088d40d8aba2 Happy 2011 :)
koda
parents: 4938
diff changeset
    11
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
088d40d8aba2 Happy 2011 :)
koda
parents: 4938
diff changeset
    12
 * GNU General Public License for more details.
088d40d8aba2 Happy 2011 :)
koda
parents: 4938
diff changeset
    13
 *
088d40d8aba2 Happy 2011 :)
koda
parents: 4938
diff changeset
    14
 * You should have received a copy of the GNU General Public License
088d40d8aba2 Happy 2011 :)
koda
parents: 4938
diff changeset
    15
 * along with this program; if not, write to the Free Software
088d40d8aba2 Happy 2011 :)
koda
parents: 4938
diff changeset
    16
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
088d40d8aba2 Happy 2011 :)
koda
parents: 4938
diff changeset
    17
 */
088d40d8aba2 Happy 2011 :)
koda
parents: 4938
diff changeset
    18
4423
4391526e436e Initial commit of the Draw Map Scene
unc0rr
parents:
diff changeset
    19
#include <QGraphicsSceneMouseEvent>
4426
969e411c72aa Improve map editor a bit
unc0rr
parents: 4424
diff changeset
    20
#include <QGraphicsPathItem>
4427
c5193713055f Basic encoding of drawn map
unc0rr
parents: 4426
diff changeset
    21
#include <QtEndian>
4937
55b9145fea94 Draw straight lines while holding Alt key
unc0rr
parents: 4666
diff changeset
    22
#include <QDebug>
4423
4391526e436e Initial commit of the Draw Map Scene
unc0rr
parents:
diff changeset
    23
4391526e436e Initial commit of the Draw Map Scene
unc0rr
parents:
diff changeset
    24
#include "drawmapscene.h"
4391526e436e Initial commit of the Draw Map Scene
unc0rr
parents:
diff changeset
    25
4434
34c305fbc63c Simple simplify() function
unc0rr
parents: 4427
diff changeset
    26
template <class T> T sqr(const T & x)
34c305fbc63c Simple simplify() function
unc0rr
parents: 4427
diff changeset
    27
{
34c305fbc63c Simple simplify() function
unc0rr
parents: 4427
diff changeset
    28
    return x*x;
34c305fbc63c Simple simplify() function
unc0rr
parents: 4427
diff changeset
    29
}
34c305fbc63c Simple simplify() function
unc0rr
parents: 4427
diff changeset
    30
4423
4391526e436e Initial commit of the Draw Map Scene
unc0rr
parents:
diff changeset
    31
DrawMapScene::DrawMapScene(QObject *parent) :
4424
3225ea34e415 Some basic functionality
unc0rr
parents: 4423
diff changeset
    32
    QGraphicsScene(parent),
4426
969e411c72aa Improve map editor a bit
unc0rr
parents: 4424
diff changeset
    33
    m_pen(Qt::yellow),
969e411c72aa Improve map editor a bit
unc0rr
parents: 4424
diff changeset
    34
    m_brush(Qt::yellow)
4423
4391526e436e Initial commit of the Draw Map Scene
unc0rr
parents:
diff changeset
    35
{
4391526e436e Initial commit of the Draw Map Scene
unc0rr
parents:
diff changeset
    36
    setSceneRect(0, 0, 4096, 2048);
4424
3225ea34e415 Some basic functionality
unc0rr
parents: 4423
diff changeset
    37
3225ea34e415 Some basic functionality
unc0rr
parents: 4423
diff changeset
    38
    QLinearGradient gradient(0, 0, 0, 2048);
4426
969e411c72aa Improve map editor a bit
unc0rr
parents: 4424
diff changeset
    39
    gradient.setColorAt(0, QColor(60, 60, 155));
969e411c72aa Improve map editor a bit
unc0rr
parents: 4424
diff changeset
    40
    gradient.setColorAt(1, QColor(155, 155, 60));
6873
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
    41
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
    42
    m_eraser = QBrush(gradient);
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
    43
    setBackgroundBrush(m_eraser);
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
    44
    m_isErasing = false;
4424
3225ea34e415 Some basic functionality
unc0rr
parents: 4423
diff changeset
    45
6784
2c02ccb8f4ec Oops, fix range (2 is too small value)
unc0rr
parents: 6781
diff changeset
    46
    m_pen.setWidth(76);
4426
969e411c72aa Improve map editor a bit
unc0rr
parents: 4424
diff changeset
    47
    m_pen.setJoinStyle(Qt::RoundJoin);
969e411c72aa Improve map editor a bit
unc0rr
parents: 4424
diff changeset
    48
    m_pen.setCapStyle(Qt::RoundCap);
969e411c72aa Improve map editor a bit
unc0rr
parents: 4424
diff changeset
    49
    m_currPath = 0;
4423
4391526e436e Initial commit of the Draw Map Scene
unc0rr
parents:
diff changeset
    50
}
4391526e436e Initial commit of the Draw Map Scene
unc0rr
parents:
diff changeset
    51
4391526e436e Initial commit of the Draw Map Scene
unc0rr
parents:
diff changeset
    52
void DrawMapScene::mouseMoveEvent(QGraphicsSceneMouseEvent * mouseEvent)
4391526e436e Initial commit of the Draw Map Scene
unc0rr
parents:
diff changeset
    53
{
4426
969e411c72aa Improve map editor a bit
unc0rr
parents: 4424
diff changeset
    54
    if(m_currPath && (mouseEvent->buttons() & Qt::LeftButton))
969e411c72aa Improve map editor a bit
unc0rr
parents: 4424
diff changeset
    55
    {
969e411c72aa Improve map editor a bit
unc0rr
parents: 4424
diff changeset
    56
        QPainterPath path = m_currPath->path();
4937
55b9145fea94 Draw straight lines while holding Alt key
unc0rr
parents: 4666
diff changeset
    57
4938
0985edac2ad7 use ctrl instead of alt to avoid colliding with linux window positioning
nemo
parents: 4937
diff changeset
    58
        if(mouseEvent->modifiers() & Qt::ControlModifier)
4937
55b9145fea94 Draw straight lines while holding Alt key
unc0rr
parents: 4666
diff changeset
    59
        {
55b9145fea94 Draw straight lines while holding Alt key
unc0rr
parents: 4666
diff changeset
    60
            int c = path.elementCount();
55b9145fea94 Draw straight lines while holding Alt key
unc0rr
parents: 4666
diff changeset
    61
            QPointF pos = mouseEvent->scenePos();
55b9145fea94 Draw straight lines while holding Alt key
unc0rr
parents: 4666
diff changeset
    62
            path.setElementPositionAt(c - 1, pos.x(), pos.y());
55b9145fea94 Draw straight lines while holding Alt key
unc0rr
parents: 4666
diff changeset
    63
6616
f77bb02b669f astyle -C -S -L -N --style=allman --recursive "QTfrontend/*.cpp" "QTfrontend/*.h"
nemo
parents: 5858
diff changeset
    64
        }
f77bb02b669f astyle -C -S -L -N --style=allman --recursive "QTfrontend/*.cpp" "QTfrontend/*.h"
nemo
parents: 5858
diff changeset
    65
        else
4937
55b9145fea94 Draw straight lines while holding Alt key
unc0rr
parents: 4666
diff changeset
    66
        {
55b9145fea94 Draw straight lines while holding Alt key
unc0rr
parents: 4666
diff changeset
    67
            path.lineTo(mouseEvent->scenePos());
6873
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
    68
            paths.first().points.append(mouseEvent->scenePos().toPoint());
4937
55b9145fea94 Draw straight lines while holding Alt key
unc0rr
parents: 4666
diff changeset
    69
        }
4426
969e411c72aa Improve map editor a bit
unc0rr
parents: 4424
diff changeset
    70
        m_currPath->setPath(path);
4427
c5193713055f Basic encoding of drawn map
unc0rr
parents: 4426
diff changeset
    71
c5193713055f Basic encoding of drawn map
unc0rr
parents: 4426
diff changeset
    72
        emit pathChanged();
4426
969e411c72aa Improve map editor a bit
unc0rr
parents: 4424
diff changeset
    73
    }
4423
4391526e436e Initial commit of the Draw Map Scene
unc0rr
parents:
diff changeset
    74
}
4391526e436e Initial commit of the Draw Map Scene
unc0rr
parents:
diff changeset
    75
4391526e436e Initial commit of the Draw Map Scene
unc0rr
parents:
diff changeset
    76
void DrawMapScene::mousePressEvent(QGraphicsSceneMouseEvent * mouseEvent)
4391526e436e Initial commit of the Draw Map Scene
unc0rr
parents:
diff changeset
    77
{
4426
969e411c72aa Improve map editor a bit
unc0rr
parents: 4424
diff changeset
    78
    m_currPath = addPath(QPainterPath(), m_pen);
969e411c72aa Improve map editor a bit
unc0rr
parents: 4424
diff changeset
    79
969e411c72aa Improve map editor a bit
unc0rr
parents: 4424
diff changeset
    80
    QPainterPath path = m_currPath->path();
969e411c72aa Improve map editor a bit
unc0rr
parents: 4424
diff changeset
    81
    QPointF p = mouseEvent->scenePos();
969e411c72aa Improve map editor a bit
unc0rr
parents: 4424
diff changeset
    82
    p += QPointF(0.01, 0.01);
969e411c72aa Improve map editor a bit
unc0rr
parents: 4424
diff changeset
    83
    path.moveTo(p);
969e411c72aa Improve map editor a bit
unc0rr
parents: 4424
diff changeset
    84
    path.lineTo(mouseEvent->scenePos());
6873
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
    85
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
    86
    PathParams params;
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
    87
    params.width = serializePenWidth(m_pen.width());
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
    88
    params.erasing = m_isErasing;
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
    89
    params.points = QList<QPoint>() << mouseEvent->scenePos().toPoint();
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
    90
    paths.prepend(params);
4426
969e411c72aa Improve map editor a bit
unc0rr
parents: 4424
diff changeset
    91
    m_currPath->setPath(path);
969e411c72aa Improve map editor a bit
unc0rr
parents: 4424
diff changeset
    92
4427
c5193713055f Basic encoding of drawn map
unc0rr
parents: 4426
diff changeset
    93
    emit pathChanged();
4423
4391526e436e Initial commit of the Draw Map Scene
unc0rr
parents:
diff changeset
    94
}
4391526e436e Initial commit of the Draw Map Scene
unc0rr
parents:
diff changeset
    95
4391526e436e Initial commit of the Draw Map Scene
unc0rr
parents:
diff changeset
    96
void DrawMapScene::mouseReleaseEvent(QGraphicsSceneMouseEvent * mouseEvent)
4391526e436e Initial commit of the Draw Map Scene
unc0rr
parents:
diff changeset
    97
{
5108
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: 5040
diff changeset
    98
    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: 5040
diff changeset
    99
    {
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: 5040
diff changeset
   100
        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: 5040
diff changeset
   101
        path.lineTo(mouseEvent->scenePos());
6873
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   102
        paths.first().points.append(mouseEvent->scenePos().toPoint());
5108
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: 5040
diff changeset
   103
        m_currPath->setPath(path);
4560
5d6c7f88db73 - Some work on drawMap widget and scene to allow undo, clear, save and load operations
unc0rr
parents: 4520
diff changeset
   104
5108
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: 5040
diff changeset
   105
        simplifyLast();
4439
27a896207aae Some more improvements
unC0Rr
parents: 4434
diff changeset
   106
5108
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: 5040
diff changeset
   107
        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>
parents: 5040
diff changeset
   108
    }
4423
4391526e436e Initial commit of the Draw Map Scene
unc0rr
parents:
diff changeset
   109
}
4424
3225ea34e415 Some basic functionality
unc0rr
parents: 4423
diff changeset
   110
6781
23f627ba8ee9 Variable pen width
unc0rr
parents: 6700
diff changeset
   111
void DrawMapScene::wheelEvent(QGraphicsSceneWheelEvent * wheelEvent)
23f627ba8ee9 Variable pen width
unc0rr
parents: 6700
diff changeset
   112
{
6784
2c02ccb8f4ec Oops, fix range (2 is too small value)
unc0rr
parents: 6781
diff changeset
   113
    if(wheelEvent->delta() > 0 && m_pen.width() < 516)
6781
23f627ba8ee9 Variable pen width
unc0rr
parents: 6700
diff changeset
   114
        m_pen.setWidth(m_pen.width() + 10);
6784
2c02ccb8f4ec Oops, fix range (2 is too small value)
unc0rr
parents: 6781
diff changeset
   115
    else if(wheelEvent->delta() < 0 && m_pen.width() >= 16)
6781
23f627ba8ee9 Variable pen width
unc0rr
parents: 6700
diff changeset
   116
        m_pen.setWidth(m_pen.width() - 10);
23f627ba8ee9 Variable pen width
unc0rr
parents: 6700
diff changeset
   117
23f627ba8ee9 Variable pen width
unc0rr
parents: 6700
diff changeset
   118
    if(m_currPath)
23f627ba8ee9 Variable pen width
unc0rr
parents: 6700
diff changeset
   119
    {
23f627ba8ee9 Variable pen width
unc0rr
parents: 6700
diff changeset
   120
        m_currPath->setPen(m_pen);
6873
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   121
        paths.first().width = serializePenWidth(m_pen.width());
6781
23f627ba8ee9 Variable pen width
unc0rr
parents: 6700
diff changeset
   122
    }
23f627ba8ee9 Variable pen width
unc0rr
parents: 6700
diff changeset
   123
}
23f627ba8ee9 Variable pen width
unc0rr
parents: 6700
diff changeset
   124
4426
969e411c72aa Improve map editor a bit
unc0rr
parents: 4424
diff changeset
   125
void DrawMapScene::undo()
4424
3225ea34e415 Some basic functionality
unc0rr
parents: 4423
diff changeset
   126
{
4426
969e411c72aa Improve map editor a bit
unc0rr
parents: 4424
diff changeset
   127
    if(items().size())
4427
c5193713055f Basic encoding of drawn map
unc0rr
parents: 4426
diff changeset
   128
    {
4426
969e411c72aa Improve map editor a bit
unc0rr
parents: 4424
diff changeset
   129
        removeItem(items().first());
4439
27a896207aae Some more improvements
unC0Rr
parents: 4434
diff changeset
   130
        paths.removeFirst();
4427
c5193713055f Basic encoding of drawn map
unc0rr
parents: 4426
diff changeset
   131
c5193713055f Basic encoding of drawn map
unc0rr
parents: 4426
diff changeset
   132
        emit pathChanged();
c5193713055f Basic encoding of drawn map
unc0rr
parents: 4426
diff changeset
   133
    }
5858
1f4a8cf9efcb hand drawn map editor: allow "undo" after "clear"
sheepluva
parents: 5108
diff changeset
   134
    else if(oldItems.size())
1f4a8cf9efcb hand drawn map editor: allow "undo" after "clear"
sheepluva
parents: 5108
diff changeset
   135
    {
1f4a8cf9efcb hand drawn map editor: allow "undo" after "clear"
sheepluva
parents: 5108
diff changeset
   136
        while(oldItems.size())
1f4a8cf9efcb hand drawn map editor: allow "undo" after "clear"
sheepluva
parents: 5108
diff changeset
   137
            addItem(oldItems.takeFirst());
1f4a8cf9efcb hand drawn map editor: allow "undo" after "clear"
sheepluva
parents: 5108
diff changeset
   138
        paths = oldPaths;
1f4a8cf9efcb hand drawn map editor: allow "undo" after "clear"
sheepluva
parents: 5108
diff changeset
   139
1f4a8cf9efcb hand drawn map editor: allow "undo" after "clear"
sheepluva
parents: 5108
diff changeset
   140
        emit pathChanged();
1f4a8cf9efcb hand drawn map editor: allow "undo" after "clear"
sheepluva
parents: 5108
diff changeset
   141
    }
4424
3225ea34e415 Some basic functionality
unc0rr
parents: 4423
diff changeset
   142
}
4427
c5193713055f Basic encoding of drawn map
unc0rr
parents: 4426
diff changeset
   143
4560
5d6c7f88db73 - Some work on drawMap widget and scene to allow undo, clear, save and load operations
unc0rr
parents: 4520
diff changeset
   144
void DrawMapScene::clearMap()
5d6c7f88db73 - Some work on drawMap widget and scene to allow undo, clear, save and load operations
unc0rr
parents: 4520
diff changeset
   145
{
5858
1f4a8cf9efcb hand drawn map editor: allow "undo" after "clear"
sheepluva
parents: 5108
diff changeset
   146
    // don't clear if already cleared
1f4a8cf9efcb hand drawn map editor: allow "undo" after "clear"
sheepluva
parents: 5108
diff changeset
   147
    if(!items().size())
1f4a8cf9efcb hand drawn map editor: allow "undo" after "clear"
sheepluva
parents: 5108
diff changeset
   148
        return;
1f4a8cf9efcb hand drawn map editor: allow "undo" after "clear"
sheepluva
parents: 5108
diff changeset
   149
1f4a8cf9efcb hand drawn map editor: allow "undo" after "clear"
sheepluva
parents: 5108
diff changeset
   150
    oldItems.clear();
1f4a8cf9efcb hand drawn map editor: allow "undo" after "clear"
sheepluva
parents: 5108
diff changeset
   151
1f4a8cf9efcb hand drawn map editor: allow "undo" after "clear"
sheepluva
parents: 5108
diff changeset
   152
    // do this since clear() would _destroy_ all items
6616
f77bb02b669f astyle -C -S -L -N --style=allman --recursive "QTfrontend/*.cpp" "QTfrontend/*.h"
nemo
parents: 5858
diff changeset
   153
    while(items().size())
f77bb02b669f astyle -C -S -L -N --style=allman --recursive "QTfrontend/*.cpp" "QTfrontend/*.h"
nemo
parents: 5858
diff changeset
   154
    {
5858
1f4a8cf9efcb hand drawn map editor: allow "undo" after "clear"
sheepluva
parents: 5108
diff changeset
   155
        oldItems.push_front(items().first());
1f4a8cf9efcb hand drawn map editor: allow "undo" after "clear"
sheepluva
parents: 5108
diff changeset
   156
        removeItem(items().first());
1f4a8cf9efcb hand drawn map editor: allow "undo" after "clear"
sheepluva
parents: 5108
diff changeset
   157
    }
1f4a8cf9efcb hand drawn map editor: allow "undo" after "clear"
sheepluva
parents: 5108
diff changeset
   158
1f4a8cf9efcb hand drawn map editor: allow "undo" after "clear"
sheepluva
parents: 5108
diff changeset
   159
    oldPaths = paths;
1f4a8cf9efcb hand drawn map editor: allow "undo" after "clear"
sheepluva
parents: 5108
diff changeset
   160
4560
5d6c7f88db73 - Some work on drawMap widget and scene to allow undo, clear, save and load operations
unc0rr
parents: 4520
diff changeset
   161
    paths.clear();
5d6c7f88db73 - Some work on drawMap widget and scene to allow undo, clear, save and load operations
unc0rr
parents: 4520
diff changeset
   162
5d6c7f88db73 - Some work on drawMap widget and scene to allow undo, clear, save and load operations
unc0rr
parents: 4520
diff changeset
   163
    emit pathChanged();
5d6c7f88db73 - Some work on drawMap widget and scene to allow undo, clear, save and load operations
unc0rr
parents: 4520
diff changeset
   164
}
5d6c7f88db73 - Some work on drawMap widget and scene to allow undo, clear, save and load operations
unc0rr
parents: 4520
diff changeset
   165
6873
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   166
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   167
void DrawMapScene::setErasing(bool erasing)
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   168
{
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   169
    m_isErasing = erasing;
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   170
    if(erasing)
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   171
        m_pen.setBrush(m_eraser);
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   172
    else
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   173
        m_pen.setBrush(m_brush);
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   174
}
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   175
4427
c5193713055f Basic encoding of drawn map
unc0rr
parents: 4426
diff changeset
   176
QByteArray DrawMapScene::encode()
c5193713055f Basic encoding of drawn map
unc0rr
parents: 4426
diff changeset
   177
{
c5193713055f Basic encoding of drawn map
unc0rr
parents: 4426
diff changeset
   178
    QByteArray b;
c5193713055f Basic encoding of drawn map
unc0rr
parents: 4426
diff changeset
   179
4666
34551d8639cf - Fix encoding function to iterate reversed list
unc0rr
parents: 4658
diff changeset
   180
    for(int i = paths.size() - 1; i >= 0; --i)
4427
c5193713055f Basic encoding of drawn map
unc0rr
parents: 4426
diff changeset
   181
    {
c5193713055f Basic encoding of drawn map
unc0rr
parents: 4426
diff changeset
   182
        int cnt = 0;
6873
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   183
        PathParams params = paths.at(i);
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   184
        foreach(QPoint point, params.points)
4427
c5193713055f Basic encoding of drawn map
unc0rr
parents: 4426
diff changeset
   185
        {
c5193713055f Basic encoding of drawn map
unc0rr
parents: 4426
diff changeset
   186
            qint16 px = qToBigEndian((qint16)point.x());
c5193713055f Basic encoding of drawn map
unc0rr
parents: 4426
diff changeset
   187
            qint16 py = qToBigEndian((qint16)point.y());
6781
23f627ba8ee9 Variable pen width
unc0rr
parents: 6700
diff changeset
   188
            quint8 flags = 0;
6873
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   189
            if(!cnt) flags = 0x80 + params.width;
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   190
            if(params.erasing) flags |= 0x40;
4427
c5193713055f Basic encoding of drawn map
unc0rr
parents: 4426
diff changeset
   191
            b.append((const char *)&px, 2);
c5193713055f Basic encoding of drawn map
unc0rr
parents: 4426
diff changeset
   192
            b.append((const char *)&py, 2);
4457
ffb766e85150 - Change painted map file format
unc0rr
parents: 4442
diff changeset
   193
            b.append((const char *)&flags, 1);
4427
c5193713055f Basic encoding of drawn map
unc0rr
parents: 4426
diff changeset
   194
c5193713055f Basic encoding of drawn map
unc0rr
parents: 4426
diff changeset
   195
            ++cnt;
c5193713055f Basic encoding of drawn map
unc0rr
parents: 4426
diff changeset
   196
        }
c5193713055f Basic encoding of drawn map
unc0rr
parents: 4426
diff changeset
   197
c5193713055f Basic encoding of drawn map
unc0rr
parents: 4426
diff changeset
   198
    }
c5193713055f Basic encoding of drawn map
unc0rr
parents: 4426
diff changeset
   199
c5193713055f Basic encoding of drawn map
unc0rr
parents: 4426
diff changeset
   200
    return b;
c5193713055f Basic encoding of drawn map
unc0rr
parents: 4426
diff changeset
   201
}
4434
34c305fbc63c Simple simplify() function
unc0rr
parents: 4427
diff changeset
   202
4442
f8424e1bc936 - Implement decode() function.
unc0rr
parents: 4439
diff changeset
   203
void DrawMapScene::decode(QByteArray data)
f8424e1bc936 - Implement decode() function.
unc0rr
parents: 4439
diff changeset
   204
{
6873
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   205
    bool erasing = m_isErasing;
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   206
5858
1f4a8cf9efcb hand drawn map editor: allow "undo" after "clear"
sheepluva
parents: 5108
diff changeset
   207
    oldItems.clear();
1f4a8cf9efcb hand drawn map editor: allow "undo" after "clear"
sheepluva
parents: 5108
diff changeset
   208
    oldPaths.clear();
4442
f8424e1bc936 - Implement decode() function.
unc0rr
parents: 4439
diff changeset
   209
    clear();
f8424e1bc936 - Implement decode() function.
unc0rr
parents: 4439
diff changeset
   210
    paths.clear();
f8424e1bc936 - Implement decode() function.
unc0rr
parents: 4439
diff changeset
   211
6873
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   212
    PathParams params;
4442
f8424e1bc936 - Implement decode() function.
unc0rr
parents: 4439
diff changeset
   213
f8424e1bc936 - Implement decode() function.
unc0rr
parents: 4439
diff changeset
   214
    while(data.size() >= 5)
f8424e1bc936 - Implement decode() function.
unc0rr
parents: 4439
diff changeset
   215
    {
f8424e1bc936 - Implement decode() function.
unc0rr
parents: 4439
diff changeset
   216
        qint16 px = qFromBigEndian(*(qint16 *)data.data());
f8424e1bc936 - Implement decode() function.
unc0rr
parents: 4439
diff changeset
   217
        data.remove(0, 2);
f8424e1bc936 - Implement decode() function.
unc0rr
parents: 4439
diff changeset
   218
        qint16 py = qFromBigEndian(*(qint16 *)data.data());
f8424e1bc936 - Implement decode() function.
unc0rr
parents: 4439
diff changeset
   219
        data.remove(0, 2);
4457
ffb766e85150 - Change painted map file format
unc0rr
parents: 4442
diff changeset
   220
        quint8 flags = *(quint8 *)data.data();
ffb766e85150 - Change painted map file format
unc0rr
parents: 4442
diff changeset
   221
        data.remove(0, 1);
4442
f8424e1bc936 - Implement decode() function.
unc0rr
parents: 4439
diff changeset
   222
6781
23f627ba8ee9 Variable pen width
unc0rr
parents: 6700
diff changeset
   223
        if(flags & 0x80)
4442
f8424e1bc936 - Implement decode() function.
unc0rr
parents: 4439
diff changeset
   224
        {
6873
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   225
            if(params.points.size())
6781
23f627ba8ee9 Variable pen width
unc0rr
parents: 6700
diff changeset
   226
            {
6873
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   227
                addPath(pointsToPath(params.points), m_pen);
6781
23f627ba8ee9 Variable pen width
unc0rr
parents: 6700
diff changeset
   228
6873
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   229
                paths.prepend(params);
4666
34551d8639cf - Fix encoding function to iterate reversed list
unc0rr
parents: 4658
diff changeset
   230
6873
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   231
                params.points.clear();
6781
23f627ba8ee9 Variable pen width
unc0rr
parents: 6700
diff changeset
   232
            }
23f627ba8ee9 Variable pen width
unc0rr
parents: 6700
diff changeset
   233
6873
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   234
            quint8 penWidth = flags & 0x3f;
6781
23f627ba8ee9 Variable pen width
unc0rr
parents: 6700
diff changeset
   235
            m_pen.setWidth(deserializePenWidth(penWidth));
6873
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   236
            if(flags & 0x40)
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   237
                m_pen.setBrush(m_eraser);
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   238
            else
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   239
                m_pen.setBrush(m_brush);
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   240
            params.width = penWidth;
4666
34551d8639cf - Fix encoding function to iterate reversed list
unc0rr
parents: 4658
diff changeset
   241
        }
4442
f8424e1bc936 - Implement decode() function.
unc0rr
parents: 4439
diff changeset
   242
6873
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   243
        params.points.append(QPoint(px, py));
4666
34551d8639cf - Fix encoding function to iterate reversed list
unc0rr
parents: 4658
diff changeset
   244
    }
34551d8639cf - Fix encoding function to iterate reversed list
unc0rr
parents: 4658
diff changeset
   245
6873
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   246
    if(params.points.size())
4666
34551d8639cf - Fix encoding function to iterate reversed list
unc0rr
parents: 4658
diff changeset
   247
    {
6873
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   248
        addPath(pointsToPath(params.points), m_pen);
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   249
        paths.prepend(params);
4442
f8424e1bc936 - Implement decode() function.
unc0rr
parents: 4439
diff changeset
   250
    }
4560
5d6c7f88db73 - Some work on drawMap widget and scene to allow undo, clear, save and load operations
unc0rr
parents: 4520
diff changeset
   251
5d6c7f88db73 - Some work on drawMap widget and scene to allow undo, clear, save and load operations
unc0rr
parents: 4520
diff changeset
   252
    emit pathChanged();
6873
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   253
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   254
    setErasing(erasing);
4442
f8424e1bc936 - Implement decode() function.
unc0rr
parents: 4439
diff changeset
   255
}
f8424e1bc936 - Implement decode() function.
unc0rr
parents: 4439
diff changeset
   256
4439
27a896207aae Some more improvements
unC0Rr
parents: 4434
diff changeset
   257
void DrawMapScene::simplifyLast()
4434
34c305fbc63c Simple simplify() function
unc0rr
parents: 4427
diff changeset
   258
{
4560
5d6c7f88db73 - Some work on drawMap widget and scene to allow undo, clear, save and load operations
unc0rr
parents: 4520
diff changeset
   259
    if(!paths.size()) return;
5d6c7f88db73 - Some work on drawMap widget and scene to allow undo, clear, save and load operations
unc0rr
parents: 4520
diff changeset
   260
6873
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   261
    QList<QPoint> points = paths.at(0).points;
4439
27a896207aae Some more improvements
unC0Rr
parents: 4434
diff changeset
   262
27a896207aae Some more improvements
unC0Rr
parents: 4434
diff changeset
   263
    QPoint prevPoint = points.first();
27a896207aae Some more improvements
unC0Rr
parents: 4434
diff changeset
   264
    int i = 1;
27a896207aae Some more improvements
unC0Rr
parents: 4434
diff changeset
   265
    while(i < points.size())
4434
34c305fbc63c Simple simplify() function
unc0rr
parents: 4427
diff changeset
   266
    {
4471
220d44cb8659 Always keep last point of drawn polyline
unc0rr
parents: 4457
diff changeset
   267
        if( (i != points.size() - 1)
6616
f77bb02b669f astyle -C -S -L -N --style=allman --recursive "QTfrontend/*.cpp" "QTfrontend/*.h"
nemo
parents: 5858
diff changeset
   268
                && (sqr(prevPoint.x() - points[i].x()) + sqr(prevPoint.y() - points[i].y()) < 1000)
4471
220d44cb8659 Always keep last point of drawn polyline
unc0rr
parents: 4457
diff changeset
   269
          )
4439
27a896207aae Some more improvements
unC0Rr
parents: 4434
diff changeset
   270
            points.removeAt(i);
27a896207aae Some more improvements
unC0Rr
parents: 4434
diff changeset
   271
        else
27a896207aae Some more improvements
unC0Rr
parents: 4434
diff changeset
   272
        {
27a896207aae Some more improvements
unC0Rr
parents: 4434
diff changeset
   273
            prevPoint = points[i];
27a896207aae Some more improvements
unC0Rr
parents: 4434
diff changeset
   274
            ++i;
27a896207aae Some more improvements
unC0Rr
parents: 4434
diff changeset
   275
        }
27a896207aae Some more improvements
unC0Rr
parents: 4434
diff changeset
   276
    }
4434
34c305fbc63c Simple simplify() function
unc0rr
parents: 4427
diff changeset
   277
6873
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   278
    paths[0].points = points;
4439
27a896207aae Some more improvements
unC0Rr
parents: 4434
diff changeset
   279
27a896207aae Some more improvements
unC0Rr
parents: 4434
diff changeset
   280
27a896207aae Some more improvements
unC0Rr
parents: 4434
diff changeset
   281
    // redraw path
27a896207aae Some more improvements
unC0Rr
parents: 4434
diff changeset
   282
    {
27a896207aae Some more improvements
unC0Rr
parents: 4434
diff changeset
   283
        QGraphicsPathItem * pathItem = static_cast<QGraphicsPathItem *>(items()[0]);
6873
30840365af0a Eraser tool
unc0rr
parents: 6784
diff changeset
   284
        pathItem->setPath(pointsToPath(paths[0].points));
4434
34c305fbc63c Simple simplify() function
unc0rr
parents: 4427
diff changeset
   285
    }
34c305fbc63c Simple simplify() function
unc0rr
parents: 4427
diff changeset
   286
34c305fbc63c Simple simplify() function
unc0rr
parents: 4427
diff changeset
   287
    emit pathChanged();
34c305fbc63c Simple simplify() function
unc0rr
parents: 4427
diff changeset
   288
}
4442
f8424e1bc936 - Implement decode() function.
unc0rr
parents: 4439
diff changeset
   289
f8424e1bc936 - Implement decode() function.
unc0rr
parents: 4439
diff changeset
   290
QPainterPath DrawMapScene::pointsToPath(const QList<QPoint> points)
f8424e1bc936 - Implement decode() function.
unc0rr
parents: 4439
diff changeset
   291
{
f8424e1bc936 - Implement decode() function.
unc0rr
parents: 4439
diff changeset
   292
    QPainterPath path;
f8424e1bc936 - Implement decode() function.
unc0rr
parents: 4439
diff changeset
   293
f8424e1bc936 - Implement decode() function.
unc0rr
parents: 4439
diff changeset
   294
    if(points.size())
f8424e1bc936 - Implement decode() function.
unc0rr
parents: 4439
diff changeset
   295
    {
f8424e1bc936 - Implement decode() function.
unc0rr
parents: 4439
diff changeset
   296
        QPointF p = points[0] + QPointF(0.01, 0.01);
f8424e1bc936 - Implement decode() function.
unc0rr
parents: 4439
diff changeset
   297
        path.moveTo(p);
f8424e1bc936 - Implement decode() function.
unc0rr
parents: 4439
diff changeset
   298
f8424e1bc936 - Implement decode() function.
unc0rr
parents: 4439
diff changeset
   299
        foreach(QPoint p, points)
6616
f77bb02b669f astyle -C -S -L -N --style=allman --recursive "QTfrontend/*.cpp" "QTfrontend/*.h"
nemo
parents: 5858
diff changeset
   300
        path.lineTo(p);
4442
f8424e1bc936 - Implement decode() function.
unc0rr
parents: 4439
diff changeset
   301
    }
f8424e1bc936 - Implement decode() function.
unc0rr
parents: 4439
diff changeset
   302
f8424e1bc936 - Implement decode() function.
unc0rr
parents: 4439
diff changeset
   303
    return path;
f8424e1bc936 - Implement decode() function.
unc0rr
parents: 4439
diff changeset
   304
}
6781
23f627ba8ee9 Variable pen width
unc0rr
parents: 6700
diff changeset
   305
23f627ba8ee9 Variable pen width
unc0rr
parents: 6700
diff changeset
   306
quint8 DrawMapScene::serializePenWidth(int width)
23f627ba8ee9 Variable pen width
unc0rr
parents: 6700
diff changeset
   307
{
23f627ba8ee9 Variable pen width
unc0rr
parents: 6700
diff changeset
   308
    return (width - 6) / 10;
23f627ba8ee9 Variable pen width
unc0rr
parents: 6700
diff changeset
   309
}
23f627ba8ee9 Variable pen width
unc0rr
parents: 6700
diff changeset
   310
23f627ba8ee9 Variable pen width
unc0rr
parents: 6700
diff changeset
   311
int DrawMapScene::deserializePenWidth(quint8 width)
23f627ba8ee9 Variable pen width
unc0rr
parents: 6700
diff changeset
   312
{
23f627ba8ee9 Variable pen width
unc0rr
parents: 6700
diff changeset
   313
    return width * 10 + 6;
23f627ba8ee9 Variable pen width
unc0rr
parents: 6700
diff changeset
   314
}