149 lines
4.2 KiB
C++
149 lines
4.2 KiB
C++
#include"TextureFileCreater.h"
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#include"ILImage.h"
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#include<hgl/log/LogInfo.h>
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class TextureFileCreaterRGBA:public TextureFileCreater
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{
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ILuint type;
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public:
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using TextureFileCreater::TextureFileCreater;
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bool InitFormat() override
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{
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if(pixel_format->format==ColorFormat::RGBA8
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||pixel_format->format==ColorFormat::RGBA16
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||pixel_format->format==ColorFormat::RGBA16F
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||pixel_format->format==ColorFormat::RGBA32U
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||pixel_format->format==ColorFormat::RGBA32I
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||pixel_format->format==ColorFormat::RGBA32F)
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{
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if(!ToILType(type,pixel_format->bits[0],pixel_format->type))
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return(nullptr);
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}
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else if(pixel_format->format==ColorFormat::BGRA4)
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{
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type=IL_UNSIGNED_BYTE;
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}
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else if(pixel_format->format==ColorFormat::A1RGB5)
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{
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type=IL_UNSIGNED_BYTE;
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}
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else if(pixel_format->format==ColorFormat::A2BGR10)
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{
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type=IL_UNSIGNED_SHORT;
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}
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else
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{
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LOG_ERROR(OS_TEXT("Don't support this RGBA format"));
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return(false);
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}
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return image->ConvertToRGBA(type);
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}
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void RGBA8toRGBA4(uint16 *target,uint8 *src,uint size)
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{
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for(uint i=0;i<size;i++)
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{
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*target=((src[0]<<8)&0xF000)
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|((src[1]<<4)&0xF00)
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|((src[2] )&0xF0)
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| (src[3]>>4);
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++target;
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src+=4;
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}
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}
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void RGBA8toA1RGB5(uint16 *target,uint8 *src,uint size)
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{
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for(uint i=0;i<size;i++)
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{
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*target=((src[3]<<8)&0x8000)
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|((src[0]<<7)&0x7C00)
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|((src[1]<<2)&0x3E0)
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| (src[2]>>3);
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++target;
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src+=4;
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}
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}
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void RGBA16toA2BGR10(uint32 *target,uint16 *src,uint size)
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{
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for(uint i=0;i<size;i++)
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{
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*target=((src[3]<<16)&0xC0000000)
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|((src[2]<<14)&0x3FF00000)
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|((src[1]<< 4)&0xFFC00)
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| (src[0]>> 6);
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++target;
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src+=4;
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}
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}
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public:
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uint32 Write() override
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{
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const uint total_bytes=(pixel_format->total_bits*image->pixel_total())>>3;
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std::cout<<"Convert Image To: "<<image->width()<<"x"<<image->height()<<" "<<total_bytes<<" bytes."<<std::endl;
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if(pixel_format->format==ColorFormat::RGBA8
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||pixel_format->format==ColorFormat::RGBA16
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||pixel_format->format==ColorFormat::RGBA16F
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||pixel_format->format==ColorFormat::RGBA32U
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||pixel_format->format==ColorFormat::RGBA32I
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||pixel_format->format==ColorFormat::RGBA32F)
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{
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void *origin_rgba=image->GetRGBA(type);
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return TextureFileCreater::Write(origin_rgba,total_bytes);
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}
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else if(pixel_format->format==ColorFormat::BGRA4)
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{
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void *origin_rgba=image->GetRGBA(IL_UNSIGNED_BYTE);
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AutoDeleteArray<uint16> bgra4(image->pixel_total());
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RGBA8toRGBA4(bgra4,(uint8 *)origin_rgba,image->pixel_total());
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return TextureFileCreater::Write(bgra4,total_bytes);
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}
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else if(pixel_format->format==ColorFormat::A1RGB5)
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{
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void *origin_rgba=image->GetRGBA(IL_UNSIGNED_BYTE);
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AutoDeleteArray<uint16> a1_rgb5(image->pixel_total());
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RGBA8toA1RGB5(a1_rgb5,(uint8 *)origin_rgba,image->pixel_total());
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return TextureFileCreater::Write(a1_rgb5,total_bytes);
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}
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else if(pixel_format->format==ColorFormat::A2BGR10)
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{
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void *origin_rgba=image->GetRGBA(IL_UNSIGNED_SHORT);
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AutoDeleteArray<uint32> a2_bgr10(image->pixel_total());
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RGBA16toA2BGR10(a2_bgr10,(uint16 *)origin_rgba,image->pixel_total());
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return TextureFileCreater::Write(a2_bgr10,total_bytes);
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}
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else
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{
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LOG_ERROR(OS_TEXT("Don't support this RGBA format"));
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return(0);
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}
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}
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};//class TextureFileCreaterRGB:public TextureFileCreater
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TextureFileCreater *CreateTextureFileCreaterRGBA(const PixelFormat *pf,ILImage *image)
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{
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return(new TextureFileCreaterRGBA(pf,image));
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}
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