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/*
* GraphLCD graphics library
*
* image.h - image and animation handling
*
* based on graphlcd plugin 0.1.1 for the Video Disc Recorder
* (c) 2001-2004 Carsten Siebholz <c.siebholz AT t-online.de>
*
* This file is released under the GNU General Public License. Refer
* to the COPYING file distributed with this package.
*
* (c) 2004 Andreas Regel <andreas.regel AT powarman.de>
* (c) 2013 Wolfgang Astleitner <mrwastl AT users sourceforge net>
*/
#ifndef _GLCDGRAPHICS_IMAGE_H_
#define _GLCDGRAPHICS_IMAGE_H_
#include <stdint.h>
#include <vector>
#include <string>
namespace GLCD
{
class cBitmap;
class cImage
{
private:
unsigned int width;
unsigned int height;
unsigned int delay;
unsigned int curBitmap;
uint64_t lastChange;
std::vector <cBitmap *> bitmaps;
uint32_t Blend(uint32_t fgcol, uint32_t bgcol, uint8_t level, double antiAliasGranularity = 0.0) const;
public:
cImage();
~cImage();
unsigned int Width() const { return width; }
unsigned int Height() const { return height; }
unsigned int Count() const { return bitmaps.size(); }
unsigned int Delay() const { return delay; }
uint64_t LastChange() const { return lastChange; }
void First(uint64_t t) { lastChange = t; curBitmap = 0; }
bool Next(uint64_t t) { lastChange = t; curBitmap++; return curBitmap < bitmaps.size(); }
void SetWidth(unsigned int Width) { width = Width; }
void SetHeight(unsigned int Height) { height = Height; }
void SetDelay(unsigned int d) { delay = d; }
cBitmap * GetBitmap(unsigned int nr) const;
cBitmap * GetBitmap() const;
void AddBitmap(cBitmap * Bitmap) { bitmaps.push_back(Bitmap); }
void Clear();
bool Scale(uint16_t scalew, uint16_t scaleh, bool AntiAlias = false);
static bool LoadImage(cImage & image, const std::string & fileName);
static bool SaveImage(cImage & image, const std::string & fileName);
static const std::string GetFilenameExtension(const std::string & fileName);
};
} // end of namespace
#endif
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