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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.
*/
#pragma once
#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;
double samplerate{44100};
QVector<CanvasTool*> tools;
private:
float xscale;
float yscale;
float xoffset;
float yoffset;
QColor colBg;
QColor colSec;
QColor colMax;
QColor colHalf;
QColor colWavMax;
QColor colWavAvg;
};
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