1 files changed, 95 insertions, 0 deletions
diff --git a/src/canvas.h b/src/canvas.h
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+++ b/src/canvas.h
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            canvas.h
+ *
+ *  Tue Nov 10 08:37:37 CET 2009
+ *  Copyright 2009 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  This file is part of DrumGizmo.
+ *
+ *  DrumGizmo 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.
+ *
+ *  DrumGizmo 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 DrumGizmo; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+ */
+#ifndef __DRUMGIZMO_CANVAS_H__
+#define __DRUMGIZMO_CANVAS_H__
+
+#include <QWidget>
+#include <QColor>
+#include <QImage>
+
+#include "mipmap.h"
+#include "canvastool.h"
+
+class Canvas : public QWidget {
+Q_OBJECT
+public:
+  Canvas(QWidget *parent);
+  ~Canvas();
+
+  void load(QString file);
+  
+  void addTool(CanvasTool *tool);
+
+  float mapX(float x);
+  float unmapX(float x);
+  float mapY(float y);
+  float unmapY(float y);
+
+public slots:
+  void setXScale(float scale);
+  void setYScale(float scale);
+  void setXOffset(float scroll);
+  void setYOffset(float scroll);
+
+protected:
+  void mouseMoveEvent(QMouseEvent *event);
+  void mousePressEvent(QMouseEvent *event);
+  void mouseReleaseEvent(QMouseEvent *event);
+  void resizeEvent(QResizeEvent *event);
+  void paintEvent(QPaintEvent *event);
+  void keyReleaseEvent(QKeyEvent *event);
+
+private:
+  MipMap *mipmap;
+
+  void updateWav();
+  void getWavValues(int last, int lx, float *vu, float *vl,
+                    float *avgu, float *avgl);
+
+  QImage wav;
+
+public:
+  float *data;
+  size_t size;
+
+  QVector<CanvasTool*> tools;
+
+private:
+  float xscale;
+  float yscale;
+  float xoffset;
+  float yoffset;
+
+  QColor colBg;
+  QColor colSec;
+  QColor colMax;
+  QColor colHalf;
+  QColor colWavMax;
+  QColor colWavAvg;
+};
+
+#endif/*__DRUMGIZMO_CANVAS_H__*/