1 files changed, 71 insertions, 0 deletions
diff --git a/krita/ui/kis_grid_drawer.h b/krita/ui/kis_grid_drawer.h
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+++ b/krita/ui/kis_grid_drawer.h
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+/*
+ * This file is part of Krita
+ *
+ *  Copyright (c) 2006 Cyrille Berger <cberger@cberger.net>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#ifndef KIS_GRID_DRAWER_H
+#define KIS_GRID_DRAWER_H
+
+#include <math.h>
+
+#include <qobject.h>
+#include <qpainter.h>
+
+#include "kis_types.h"
+#include "kis_point.h"
+
+class KisSubPerspectiveGrid;
+
+class GridDrawer {
+    public:
+        GridDrawer() {}
+        virtual ~GridDrawer() {}
+    
+    public:
+        void drawGrid(KisImageSP image, const QRect& wr);
+        void drawPerspectiveGrid(KisImageSP image, const QRect& wr, const KisSubPerspectiveGrid* grid);
+    
+        virtual void setPen(const QPen& pen) = 0;
+        virtual void drawLine(Q_INT32 x1, Q_INT32 y1, Q_INT32 x2, Q_INT32 y2) = 0;
+        inline void drawLine(const QPoint& p1, const QPoint& p2) { drawLine(p1.x(), p1.y(), p2.x(), p2.y() ); }
+        inline void drawLine(const KisPoint* p1, const KisPoint* p2) { drawLine( p1->roundQPoint(), p2->roundQPoint()); }
+    private:
+        Qt::PenStyle gs2style(Q_UINT32 s);
+};
+
+class QPainterGridDrawer : public GridDrawer {
+public:
+    QPainterGridDrawer(QPainter *p) { m_painter = p; }
+
+    virtual void setPen(const QPen& pen) { m_painter->setPen(pen); }
+    virtual void drawLine(Q_INT32 x1, Q_INT32 y1, Q_INT32 x2, Q_INT32 y2) { m_painter->drawLine(x1, y1, x2, y2); }
+
+private:
+    QPainter *m_painter;
+};
+
+class OpenGLGridDrawer : public GridDrawer {
+public:
+    OpenGLGridDrawer();
+    virtual ~OpenGLGridDrawer();
+
+    virtual void setPen(const QPen& pen);
+    virtual void drawLine(Q_INT32 x1, Q_INT32 y1, Q_INT32 x2, Q_INT32 y2);
+};
+
+#endif