iup-stack/ftgl/include/FTGL/FTBuffer.h

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2023-02-20 16:44:45 +00:00
/*
* FTGL - OpenGL font library
*
* Copyright (c) 2008 Sam Hocevar <sam@zoy.org>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef __ftgl__
# warning Please use <FTGL/ftgl.h> instead of <FTBuffer.h>.
# include <FTGL/ftgl.h>
#endif
#ifndef __FTBuffer__
#define __FTBuffer__
#ifdef __cplusplus
/**
* FTBuffer is a helper class for pixel buffers.
*
* It provides the interface between FTBufferFont and FTBufferGlyph to
* optimise rendering operations.
*
* @see FTBufferGlyph
* @see FTBufferFont
*/
class FTGL_EXPORT FTBuffer
{
public:
/**
* Default constructor.
*/
FTBuffer();
/**
* Destructor
*/
~FTBuffer();
/**
* Get the pen's position in the buffer.
*
* @return The pen's position as an FTPoint object.
*/
inline FTPoint Pos() const
{
return pos;
}
/**
* Set the pen's position in the buffer.
*
* @param arg An FTPoint object with the desired pen's position.
*/
inline void Pos(FTPoint arg)
{
pos = arg;
}
/**
* Set the buffer's size.
*
* @param w The buffer's desired width, in pixels.
* @param h The buffer's desired height, in pixels.
*/
void Size(int w, int h);
/**
* Get the buffer's width.
*
* @return The buffer's width, in pixels.
*/
inline int Width() const { return width; }
/**
* Get the buffer's height.
*
* @return The buffer's height, in pixels.
*/
inline int Height() const { return height; }
/**
* Get the buffer's direct pixel buffer.
*
* @return A read-write pointer to the buffer's pixels.
*/
inline unsigned char *Pixels() const { return pixels; }
private:
/**
* Buffer's width and height.
*/
int width, height;
/**
* Buffer's pixel buffer.
*/
unsigned char *pixels;
/**
* Buffer's internal pen position.
*/
FTPoint pos;
};
#endif //__cplusplus
#endif // __FTBuffer__