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godot/thirdparty/etcpak/Bitmap.hpp

51 lines
1.0 KiB
C++

#ifndef __DARKRL__BITMAP_HPP__
#define __DARKRL__BITMAP_HPP__
#include <future>
#include <memory>
#include <mutex>
#include <stdint.h>
#include "Semaphore.hpp"
#include "Vector.hpp"
enum class Channels
{
RGB,
Alpha
};
class Bitmap
{
public:
Bitmap( const char* fn, unsigned int lines, bool bgr );
Bitmap( const v2i& size );
virtual ~Bitmap();
void Write( const char* fn );
uint32_t* Data() { if( m_load.valid() ) m_load.wait(); return m_data; }
const uint32_t* Data() const { if( m_load.valid() ) m_load.wait(); return m_data; }
const v2i& Size() const { return m_size; }
bool Alpha() const { return m_alpha; }
const uint32_t* NextBlock( unsigned int& lines, bool& done );
protected:
Bitmap( const Bitmap& src, unsigned int lines );
uint32_t* m_data;
uint32_t* m_block;
unsigned int m_lines;
unsigned int m_linesLeft;
v2i m_size;
bool m_alpha;
Semaphore m_sema;
std::mutex m_lock;
std::future<void> m_load;
};
typedef std::shared_ptr<Bitmap> BitmapPtr;
#endif