yamf/tools/colorpicker/colorpicker.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2007 Jorge Cuadrado                                     *
   3  *   kuadrosxx@gmail.com                                                   *
   4  *                                                                         *
   5  *   This library is free software; you can redistribute it and/or         *
   6  *   modify it under the terms of the GNU Lesser General Public            *
   7  *   License as published by the Free Software Foundation; either          *
   8  *   version 2.1 of the License, or (at your option) any later version.    *
   9  *                                                                         *
  10  *   This library is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
  13  *   Lesser General Public License for more details.                       *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU Lesser General Public      *
  16  *   License along with this library; if not, write to the Free Software   *
  17  *   Foundation, Inc.,                                                     *
  18  *   51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA              *
  19  ***************************************************************************/
  20
  21 #include "colorpicker.h"
  22
  23 #include <QPointF>
  24 #include <QKeySequence>
  25 #include <QPainterPath>
  26 #include <QMatrix>
  27 #include <QGraphicsView>
  28 #include <QGraphicsSceneMouseEvent>
  29 #include <QToolBar>
  30 #include <QHBoxLayout>
  31 #include <QSpinBox>
  32 #include <QLabel>
  33
  34 #include <QImage>
  35
  36 #include <QGraphicsItem>
  37 #include <dgraphics/algorithm.h>
  38 #include <dcore/algorithm.h>
  39 #include <dcore/debug.h>
  40 #include <dgui/action.h>
  41 #include <dgui/iconloader.h>
  42
  43 #include <drawing/photogram.h>
  44 #include <drawing/brushmanager.h>
  45 #include <drawing/paintarea.h>
  46
  47 #include <model/frame.h>
  48
  49 namespace YAMF {
  50
  51 namespace Drawing {
  52
  53 namespace Tool {
  54
  55 struct ColorPicker::Private
  56 {
  57         DGui::Action *action;
  58
  59         QImage image;
  60 };
  61
  62 /**
  63  * Construye la herramienta.
  64  */
  65 ColorPicker::ColorPicker(QObject *parent) : Drawing::AbstractTool(parent), d(new Private)
  66 {
  67         d->action = new DGui::Action( DGui::IconLoader::self()->load("color-picker.svg"), tr("Color Picker"), this);
  68 }
  69
  70
  71 /**
  72  * Destructor.
  73  */
  74 ColorPicker::~ColorPicker()
  75 {
  76         delete d;
  77 }
  78
  79 /**
  80  * @~spanish
  81  * Inicializa la herramienta, evita que los items dentro de el fotograma se puedan mover o seleccionar
  82  */
  83 void ColorPicker::init(Photogram *photogram)
  84 {
  85         foreach(QGraphicsView * view, photogram->views())
  86         {
  87                 view->setDragMode ( QGraphicsView::NoDrag );
  88
  89                 if ( QGraphicsScene *photogram = qobject_cast<QGraphicsScene *>(view->scene()) )
  90                 {
  91                         foreach(QGraphicsItem *item, photogram->items() )
  92                         {
  93                                 item->setFlag(QGraphicsItem::ItemIsSelectable, false);
  94                                 item->setFlag(QGraphicsItem::ItemIsMovable, false);
  95                         }
  96                 }
  97         }
  98
  99
 100 }
 101
 102 /**
 103  * @~spanish
 104  * Retorna el id de la herramienta
 105  */
 106 QString ColorPicker::id() const
 107 {
 108         return tr("ColorPicker");
 109 }
 110
 111 /**
 112  * @~spanish
 113  * Función sobrecargada para implementar la selección del color.
 114  */
 115 void ColorPicker::press(const QGraphicsSceneMouseEvent *input)
 116 {
 117         PaintArea *paintArea = this->paintArea();
 118         QRectF rect = paintArea->photogram()->sceneRect();
 119         d->image = QImage( rect.size().toSize(), QImage::Format_ARGB32_Premultiplied );
 120         d->image.fill(0);
 121         QPainter painter(&d->image);
 122         paintArea->photogram()->render(&painter);
 123
 124         if(rect.contains(input->scenePos().toPoint()))
 125         {
 126                 paintArea->brushManager()->setBrush(QBrush(d->image.pixel(input->scenePos().toPoint())));
 127         }
 128
 129 }
 130
 131 /**
 132  * @~spanish
 133  * Función sobrecargada para implementar la selección del color.
 134  */
 135 void ColorPicker::move(const QGraphicsSceneMouseEvent *input)
 136 {
 137         PaintArea *paintArea = this->paintArea();
 138         QRectF rect = paintArea->photogram()->sceneRect();
 139         if(input->buttons() == Qt::LeftButton)
 140         {
 141                 if(rect.contains(input->scenePos().toPoint()))
 142                 {
 143                         paintArea->brushManager()->setBrush(QBrush(d->image.pixel(input->scenePos().toPoint())));
 144                 }
 145         }
 146 }
 147
 148
 149 /**
 150  * @~spanish
 151  * Función sobrecargada para implementar la selección del color.
 152  */
 153 void ColorPicker::release(const QGraphicsSceneMouseEvent *input)
 154 {
 155 }
 156
 157 /**
 158  * @~spanish
 159  * Retorna la acción que representa la herramienta.
 160  */
 161 DGui::Action *ColorPicker::action() const
 162 {
 163         return d->action;
 164 }
 165
 166 /**
 167  * @~spanish
 168  * Retorna que la herramienta es de tipo Brush.
 169  */
 170 int ColorPicker::type() const
 171 {
 172         return AbstractTool::Brush;
 173 }
 174
 175 void ColorPicker::aboutToChangeTool()
 176 {
 177
 178 }
 179
 180 void ColorPicker::setupConfigBar(QToolBar *configBar)
 181 {
 182 }
 183
 184
 185 }
 186 }
 187 }