gtkradiant/libs/imagelib.h

153 lines
3.1 KiB
C
Raw Normal View History

/*
Copyright (C) 2001-2006, William Joseph.
All Rights Reserved.
This file is part of GtkRadiant.
GtkRadiant 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.
GtkRadiant 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 GtkRadiant; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#if !defined(INCLUDED_IMAGELIB_H)
#define INCLUDED_IMAGELIB_H
#include "iimage.h"
#include "iarchive.h"
#include "idatastream.h"
#include <stdlib.h>
struct RGBAPixel
{
unsigned char red, green, blue, alpha;
};
class RGBAImage : public Image
{
RGBAImage(const RGBAImage& other);
RGBAImage& operator=(const RGBAImage& other);
public:
RGBAPixel* pixels;
unsigned int width, height;
RGBAImage(unsigned int _width, unsigned int _height)
: pixels(new RGBAPixel[_width * _height]), width(_width), height(_height)
{
}
~RGBAImage()
{
delete pixels;
}
void release()
{
delete this;
}
byte* getRGBAPixels() const
{
return reinterpret_cast<byte*>(pixels);
}
unsigned int getWidth() const
{
return width;
}
unsigned int getHeight() const
{
return height;
}
};
class RGBAImageFlags : public RGBAImage
{
public:
int m_surfaceFlags;
int m_contentFlags;
int m_value;
RGBAImageFlags(unsigned short _width, unsigned short _height, int surfaceFlags, int contentFlags, int value) :
RGBAImage(_width, _height), m_surfaceFlags(surfaceFlags), m_contentFlags(contentFlags), m_value(value)
{
}
int getSurfaceFlags() const
{
return m_surfaceFlags;
}
int getContentFlags() const
{
return m_contentFlags;
}
int getValue() const
{
return m_value;
}
};
inline InputStream::byte_type* ArchiveFile_loadBuffer(ArchiveFile& file, std::size_t& length)
{
InputStream::byte_type* buffer = (InputStream::byte_type*)malloc(file.size() + 1);
length = file.getInputStream().read(buffer, file.size());
buffer[file.size()] = 0;
return buffer;
}
inline void ArchiveFile_freeBuffer(InputStream::byte_type* buffer)
{
free(buffer);
}
class ScopedArchiveBuffer
{
public:
std::size_t length;
InputStream::byte_type* buffer;
ScopedArchiveBuffer(ArchiveFile& file)
{
buffer = ArchiveFile_loadBuffer(file, length);
}
~ScopedArchiveBuffer()
{
ArchiveFile_freeBuffer(buffer);
}
};
class PointerInputStream : public InputStream
{
const byte* m_read;
public:
PointerInputStream(const byte* pointer)
: m_read(pointer)
{
}
std::size_t read(byte* buffer, std::size_t length)
{
const byte* end = m_read + length;
while(m_read != end)
{
*buffer++ = *m_read++;
}
return length;
}
void seek(std::size_t offset)
{
m_read += offset;
}
const byte* get()
{
return m_read;
}
};
#endif