/usr/include/qgis/qgsrasterdrawer.h is in libqgis-dev 2.18.17+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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qgsrasterdrawer.h
-------------------
begin : June 2012
copyright : (C) 2012 by Radim Blazek
email : radim dot blazek at gmail.com
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#ifndef QGSRASTERDRAWER_H
#define QGSRASTERDRAWER_H
#include "qgsrasterinterface.h"
#include <QMap>
class QPainter;
class QImage;
class QgsMapToPixel;
class QgsRenderContext;
struct QgsRasterViewPort;
class QgsRasterBlockFeedback;
class QgsRasterIterator;
/** \ingroup core
* The drawing pipe for raster layers.
*/
class CORE_EXPORT QgsRasterDrawer
{
public:
QgsRasterDrawer( QgsRasterIterator *iterator );
/** Draws raster data.
* @param p destination QPainter
* @param viewPort viewport to render
* @param theQgsMapToPixel map to pixel converter
* @param ctx render context
* @param feedback optional raster feedback object for cancellation/preview. Added in QGIS 2.18.
*/
void draw( QPainter* p, QgsRasterViewPort* viewPort, const QgsMapToPixel* theQgsMapToPixel, const QgsRenderContext *ctx = nullptr, QgsRasterBlockFeedback* feedback = nullptr );
protected:
/** Draws raster part
* @param p the painter to draw to
* @param viewPort view port to draw to
* @param img image to draw
* @param topLeftCol Left position relative to left border of viewport
* @param topLeftRow Top position relative to top border of viewport
* @param mapToPixel map to device coordinate transformation info
* @note not available in python bindings
*/
void drawImage( QPainter* p, QgsRasterViewPort* viewPort, const QImage& img, int topLeftCol, int topLeftRow, const QgsMapToPixel* mapToPixel = nullptr ) const;
private:
QgsRasterIterator* mIterator;
};
#endif // QGSRASTERDRAWER_H
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