90 lines
2.4 KiB
C
90 lines
2.4 KiB
C
|
#pragma once
|
||
|
|
#include<hgl/2d/Bitmap.h>
|
||
|
|
#include<hgl/io/FileInputStream.h>
|
||
|
|
|
||
|
|
namespace hgl
|
||
|
|
{
|
||
|
|
namespace bitmap
|
||
|
|
{
|
||
|
|
struct BitmapLoader
|
||
|
|
{
|
||
|
|
virtual const uint OnChannels()const=0;
|
||
|
|
virtual const uint OnChannelBits()const=0;
|
||
|
|
|
||
|
|
const uint OnPixelBits()const
|
||
|
|
{
|
||
|
|
return OnChannelBits()*OnChannels();
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual void *OnRecvBitmap(uint w,uint h)=0;
|
||
|
|
|
||
|
|
virtual void OnLoadFailed()=0;
|
||
|
|
virtual void OnFlip()=0;
|
||
|
|
};
|
||
|
|
|
||
|
|
template<typename T> struct BitmapLoaderImpl:public BitmapLoader
|
||
|
|
{
|
||
|
|
T *bmp;
|
||
|
|
|
||
|
|
public:
|
||
|
|
|
||
|
|
BitmapLoaderImpl()
|
||
|
|
{
|
||
|
|
bmp=nullptr;
|
||
|
|
}
|
||
|
|
|
||
|
|
const uint OnChannels()const override{return bmp->GetChannels();}
|
||
|
|
const uint OnChannelBits()const override{return bmp->GetChannelBits();}
|
||
|
|
|
||
|
|
void *OnRecvBitmap(uint w,uint h) override
|
||
|
|
{
|
||
|
|
if(!bmp)
|
||
|
|
bmp=new T;
|
||
|
|
|
||
|
|
bmp->Create(w,h);
|
||
|
|
return bmp->GetData();
|
||
|
|
}
|
||
|
|
|
||
|
|
void OnLoadFailed() override
|
||
|
|
{
|
||
|
|
SAFE_CLEAR(bmp);
|
||
|
|
}
|
||
|
|
|
||
|
|
void OnFlip() override
|
||
|
|
{
|
||
|
|
if(bmp)
|
||
|
|
bmp->Flip();
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
bool LoadBitmapFromTGAStream(io::InputStream *,BitmapLoader *);
|
||
|
|
|
||
|
|
template<typename T>
|
||
|
|
inline T *LoadBitmapFromTGA(io::InputStream *is)
|
||
|
|
{
|
||
|
|
BitmapLoaderImpl<T> bli;
|
||
|
|
|
||
|
|
if(LoadBitmapFromTGAStream(is,&bli))
|
||
|
|
return bli.bmp;
|
||
|
|
|
||
|
|
return(nullptr);
|
||
|
|
}
|
||
|
|
|
||
|
|
inline BitmapRGB8 *LoadBitmapRGB8FromTGA(io::InputStream *is){return LoadBitmapFromTGA<BitmapRGB8>(is);}
|
||
|
|
inline BitmapRGBA8 *LoadBitmapRGBA8FromTGA(io::InputStream *is){return LoadBitmapFromTGA<BitmapRGBA8>(is);}
|
||
|
|
|
||
|
|
template<typename T>
|
||
|
|
inline T *LoadBitmapFromTGA(const OSString &filename)
|
||
|
|
{
|
||
|
|
io::OpenFileInputStream fis(filename);
|
||
|
|
|
||
|
|
if(!fis)
|
||
|
|
return(false);
|
||
|
|
|
||
|
|
return LoadBitmapFromTGA<T>(&fis);
|
||
|
|
}
|
||
|
|
|
||
|
|
inline BitmapRGB8 *LoadBitmapRGB8FromTGA(const OSString &filename){return LoadBitmapFromTGA<BitmapRGB8>(filename);}
|
||
|
|
inline BitmapRGBA8 *LoadBitmapRGBA8FromTGA(const OSString &filename){return LoadBitmapFromTGA<BitmapRGBA8>(filename);}
|
||
|
|
}//namespace bitmap
|
||
|
|
}//namespace hgl
|