int
SOIL_save_image
(
const char *filename,
int image_type,
int width, int height, int channels,
const unsigned char *const data
)
{
int save_result;
/* error check */
if( (width < 1) || (height < 1) ||
(channels < 1) || (channels > 4) ||
(data == NULL) ||
(filename == NULL) )
{
return 0;
}
if( image_type == SOIL_SAVE_TYPE_BMP )
{
save_result = stbi_write_bmp( filename,
width, height, channels, (void*)data );
} else
if( image_type == SOIL_SAVE_TYPE_TGA )
{
save_result = stbi_write_tga( filename,
width, height, channels, (void*)data );
} else
if( image_type == SOIL_SAVE_TYPE_DDS )
{
save_result = save_image_as_DDS( filename,
width, height, channels, (const unsigned char *const)data );
} else
{
save_result = 0;
}
if( save_result == 0 )
{
result_string_pointer = "Saving the image failed";
} else
{
result_string_pointer = "Image saved";
}
return save_result;
}
WHITEBOX_BEGIN
void CTextureExporter::Export( const String& assetFolder, const String& resourceFolder, const String& filePath )
{
#ifdef EXPORT_TO_PNG
const char* extension = ".png";
#else
const char* extension = ".dds";
#endif
String completeFilePath = assetFolder + filePath;
String outFilePath = resourceFolder + filePath.get_path_base() + filePath.get_path_name() + extension;
if ( gVars->pFileSystem->DoesFileExist( outFilePath ) )
{
return;
}
// Load image with FreeImage
FREE_IMAGE_FORMAT format = FreeImage_GetFileType( completeFilePath.c_str(), 0 );
FIBITMAP* freeImage = FreeImage_Load( format, completeFilePath.c_str() );
FIBITMAP* freeImage32bits = freeImage;
freeImage = FreeImage_ConvertTo32Bits( freeImage );
FreeImage_Unload( freeImage32bits );
int width = FreeImage_GetWidth( freeImage );
int height = FreeImage_GetHeight( freeImage );
BYTE* freeImagePixels = FreeImage_GetBits( freeImage );
// From BGRA to RGBA
unsigned char* pixels = new unsigned char[ width * height * 4 ];
for (int i = 0; i < width; ++i)
{
for (int j = 0; j < height; ++j)
{
pixels[ (i + j*width) * 4 + 0 ] = freeImagePixels[ (i + (height - 1 - j)*width) * 4 + 2 ];
pixels[ (i + j*width) * 4 + 1 ] = freeImagePixels[ (i + (height - 1 - j)*width) * 4 + 1 ];
pixels[ (i + j*width) * 4 + 2 ] = freeImagePixels[ (i + (height - 1 - j)*width) * 4 + 0 ];
pixels[ (i + j*width) * 4 + 3 ] = freeImagePixels[ (i + (height - 1 - j)*width) * 4 + 3 ];
}
}
#ifdef EXPORT_TO_PNG
// Save to PNG
unsigned char* pngData = nullptr;
size_t pngSize = 0;
lodepng_encode_memory( &pngData, &pngSize, pixels, width, height, LodePNGColorType::LCT_RGBA, 8 );
gVars->pFileSystem->CreateFileDir( outFilePath );
TFileHandle pngFile = gVars->pFileSystem->OpenFile( outFilePath.c_str(), false, true );
gVars->pFileSystem->Write( pngFile, sizeof(char), pngSize, pngData );
gVars->pFileSystem->CloseFile( pngFile );
#else
// Save to DDS
gVars->pFileSystem->CreateFileDir( outFilePath );
save_image_as_DDS( outFilePath.c_str(), width, height, 4, pixels );
#endif
delete[] pixels;
FreeImage_Unload( freeImage );
}
