krita/ui

kis_canvas2.h

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00001 /* This file is part of the KDE project
00002  * Copyright (C) Boudewijn Rempt <boud@valdyas.org>, (C) 2006
00003  *
00004  *  This program is free software; you can redistribute it and/or modify
00005  *  it under the terms of the GNU General Public License as published by
00006  *  the Free Software Foundation; either version 2 of the License, or
00007  *  (at your option) any later version.
00008  *
00009  *  This program is distributed in the hope that it will be useful,
00010  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012  *  GNU General Public License for more details.
00013  *
00014  *  You should have received a copy of the GNU General Public License
00015  *  along with this program; if not, write to the Free Software
00016  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00017  */
00018 
00019 #ifndef KIS_CANVAS_H
00020 #define KIS_CANVAS_H
00021 
00022 #include <QObject>
00023 #include <QWidget>
00024 #include <QSize>
00025 #include <QString>
00026 
00027 #include <KoCanvasBase.h>
00028 #include <krita_export.h>
00029 #include <kis_types.h>
00030 
00031 class KoToolProxy;
00032 class KoColorProfile;
00033 
00034 class KisCanvasDecoration;
00035 class KisView2;
00036 
00037 enum KisCanvasType {
00038     QPAINTER,
00039     OPENGL,
00040     MITSHM
00041 };
00042 
00043 class KoViewConverter;
00044 
00050 class KRITAUI_EXPORT KisCanvas2 : public QObject, public KoCanvasBase
00051 {
00052 
00053     Q_OBJECT
00054 
00055 public:
00056 
00064     KisCanvas2(KoViewConverter * viewConverter, KisView2 * view, KoShapeControllerBase * sc);
00065 
00066     virtual ~KisCanvas2();
00067 
00068     void setCanvasWidget(QWidget * widget);
00069 
00070 public: // KoCanvasBase implementation
00071 
00072     void gridSize(qreal *horizontal, qreal *vertical) const;
00073 
00074     bool snapToGrid() const;
00075 
00076     void addCommand(QUndoCommand *command);
00077 
00078     virtual void startMacro(const QString &title);
00079     virtual void stopMacro();
00080 
00081     virtual QPoint documentOrigin() const;
00082     QPoint documentOffset() const;
00083 
00090     KoShapeManager * shapeManager() const;
00091 
00095     KoShapeManager * globalShapeManager() const;
00096 
00097     void updateCanvas(const QRectF& rc);
00098 
00099     virtual void updateInputMethodInfo();
00100 
00101     virtual const KoViewConverter *viewConverter() const;
00102 
00103     virtual QWidget* canvasWidget();
00104 
00105     virtual const QWidget* canvasWidget() const;
00106 
00107     virtual KoUnit unit() const;
00108 
00109     virtual KoToolProxy* toolProxy() const;
00110 
00111     KoColorProfile* monitorProfile();
00112 
00117     void preScale();
00118 
00119     void connectCurrentImage();
00120 
00121     void disconnectCurrentImage();
00122 
00123     // Temporary! Either get the current layer and image from the
00124     // resource provider, or use this, which gets them from the
00125     // current shape selection.
00126     KisImageWSP currentImage();
00127 
00128 public: // KisCanvas2 methods
00129 
00130     KisImageWSP image();
00131     KisView2* view();
00132 
00133     bool usingHDRExposureProgram();
00134     void addDecoration(KisCanvasDecoration* deco);
00135     KisCanvasDecoration* decoration(const QString& id);
00136 
00137 signals:
00138 
00139     void documentOriginChanged();
00140 
00141     void imageChanged(KisImageWSP image);
00142 
00143     void canvasDestroyed(QWidget *);
00144 
00145 public slots:
00146 
00148     void updateCanvas();
00149 
00152     void updateCanvasProjection(const QRect & rc);
00153 
00154     void setImageSize(qint32 w, qint32 h);
00155 
00157     void adjustOrigin();
00158 
00160     void updateRulers();
00161 
00162 private slots:
00163 
00170     void documentOffsetMoved(const QPoint &documentOffset);
00171 
00175     void slotConfigChanged();
00176 
00180     void slotSetDisplayProfile(const KoColorProfile * profile);
00181 
00182 private:
00183 
00184     friend class KisView2;
00185 
00186     void resetCanvas();
00187 
00188     KisCanvas2(const KisCanvas2&);
00189 
00190     void createCanvas();
00191     void createQPainterCanvas();
00192     void createOpenGLCanvas();
00193 
00199     QRect viewRectFromDoc(const QRectF & docRect);
00200 
00201 private:
00202 
00203     class KisCanvas2Private;
00204     KisCanvas2Private * const m_d;
00205 };
00206 
00207 #endif