TexConv/ConvertImage.cpp

#include<hgl/log/LogInfo.h>
#include"ILImage.h"
#include"TextureFileCreater.h"

TextureFileCreater *CreateTextureFileCreaterR(const PixelFormat *,ILImage *);
TextureFileCreater *CreateTextureFileCreaterRG(const PixelFormat *,ILImage *);
TextureFileCreater *CreateTextureFileCreaterRGB(const PixelFormat *,ILImage *);
TextureFileCreater *CreateTextureFileCreaterRGBA(const PixelFormat *,ILImage *);

bool ConvertImage(const OSString &filename,const PixelFormat **pf)
{
    ILImage image;

    if(!image.LoadFile(filename))
        return(false);

    image.Bind();

    const uint channels=image.channels();

    TextureFileCreater *tex_file_creater;

    if(channels==1)tex_file_creater=CreateTextureFileCreaterR(pf[0],&image);else
    if(channels==2)tex_file_creater=CreateTextureFileCreaterRG(pf[1],&image);else
    if(channels==3)tex_file_creater=CreateTextureFileCreaterRGB(pf[2],&image);else
    if(channels==4)tex_file_creater=CreateTextureFileCreaterRGBA(pf[3],&image);else
    {
        LOG_ERROR(OS_TEXT("image format don't support "));
        return(false);
    }

    if(!tex_file_creater->WriteFileHeader(filename))
    {
        tex_file_creater->Delete();
        LOG_ERROR(OS_TEXT("Write file header failed."));
        return(false);
    }

    if(!tex_file_creater->Write())
    {
        tex_file_creater->Delete();
        return(false);
    }

    tex_file_creater->Close();

    delete tex_file_creater;
    return(true);
}