int main(int ac,char *av[])
{
if(4>ac)
{
printf("Eg. ysmakebmptile pattern.png 1024 1024 bmp1.png bmp2.png bmp3.png ...\n");
return 1;
}
const YsString outFn(av[1]);
const int allWid=atoi(av[2]);
const int allHei=atoi(av[3]);
printf("Output File Name : %s\n",outFn.Txt());
printf("Output Width : %d\n",allWid);
printf("Output Width : %d\n",allHei);
YsBitmap bmp;
bmp.PrepareBitmap(allWid,allHei);
bmp.Clear(0,0,0,0);
int curX=0,curY=0,nextY=0;
for(int i=4; i<ac; ++i)
{
YsBitmap tile;
const YsString inFn(av[i]);
YsString ext;
inFn.GetExtension(ext);
ext.Capitalize();
if(0==strcmp(ext,".PNG"))
{
tile.LoadPng(inFn);
}
else if(0==strcmp(ext,".BMP"))
{
tile.LoadBmp(inFn);
}
nextY=YsGreater(nextY,curY+tile.GetHeight());
if(allWid<curX+tile.GetWidth())
{
curX=0;
curY=nextY;
}
bmp.Copy(tile,curX,curY);
curX+=tile.GetWidth();
}
YsRawPngEncoder encoder;
encoder.EncodeToFile(outFn,bmp.GetWidth(),bmp.GetHeight(),8,6,bmp.GetRGBABitmapPointer());
return 0;
}
int main(void)
{
YsRawPngEncoder encoder;
encoder.EncodeToFile("greyscale16x16.png",16,16,8,0,greyscale16x16);
encoder.EncodeToFile("rgb16x16.png",16,16,8,2,rgb16x16);
encoder.EncodeToFile("rgba16x16.png",16,16,8,6,rgba16x16);
return 0;
}
bool _imageFile::writeBitmap( const _bitmap& source , _optValue<_mimeType> mimeType2write , _optValue<_imageFileCompression> compression )
{
if( !source.isValid() )
return false;
bool result = false;
_mimeType mime = mimeType2write.isValid() ? (_mimeType)mimeType2write : this->getRealMime();
// If file doesn't exist already, create it!
this->create();
switch( mime )
{
case _mime::image_bmp:
GenericBMPEncoder::encode( this->getFileName().c_str() , source.getWidth() , source.getHeight() , source.getBitmap() );
break;
case _mime::image_png:
{
YsRawPngEncoder* encoder = new YsRawPngEncoder();
if( compression.isValid() && (_imageFileCompression)compression == _imageFileCompression::none )
encoder->SetDontCompress(1);
_u32 numberPixels = source.getWidth()*source.getHeight();
_u8* buffer = new _u8[numberPixels*4];
_u8* tempBuffer = buffer;
_pixelArray data = source.getBitmap();
do {
_color col = _color(*data++);
tempBuffer[0] = col.getR()<<3;
tempBuffer[1] = col.getG()<<3;
tempBuffer[2] = col.getB()<<3;
tempBuffer[3] = col.getAlpha()<<7; // Expand 1bit Alpha to 8bits
tempBuffer+=4;
} while( --numberPixels > 0 );
result = encoder->EncodeToFile( this->getFileName().c_str() , source.getWidth() , source.getHeight() , 8 /*8bit per Channel*/, 6 /*True-Color with Alpha*/ , buffer );
delete[] buffer;
delete encoder;
break;
}
case _mime::image_gif:
{
// Create palette with 256 entries
_colorPalette palette = _colorPalette::fromBitmap( source );
palette.downsample( 256 );
// Open File for writing
FILE* file = fopen( this->getFileName().c_str() , "wb+" );
// Get Colors in the palette
_vector<_color> colors = palette.getColors();
_s16 transparentIndex = palette.hasTransparentColor() ? colors.size() - 1 : -1;
// Predefines...
_u16 numColors = colors.size();
_u32 numPixels = source.getWidth()*source.getHeight();
_u8* paletteBuffer = new _u8[numColors*3];
_u8* imageBuffer = new _u8[numPixels];
// Convert palette to _u8[3]
for( int i = 0 ; i < numColors ; i++ ) {
_color col = colors[i];
paletteBuffer[i*3+0] = col.getR()<<3;
paletteBuffer[i*3+1] = col.getG()<<3;
paletteBuffer[i*3+2] = col.getB()<<3;
}
// Convert image to indexed format
_pixelArray data = source.getBitmap();
for( _u32 i = 0 ; i < numPixels; i++ )
imageBuffer[i] = palette.getClosestColor(*data++);
// Save gif!
result = gif_write( file , imageBuffer , source.getWidth() , source.getHeight() , paletteBuffer , numColors , transparentIndex );
delete[] paletteBuffer;
delete[] imageBuffer;
fclose( file );
break;
}
case _mime::image_jpeg:
{
_u32 numberPixels = source.getWidth()*source.getHeight();
_u8* buffer = new _u8[numberPixels*3];
_u8* tempBuffer = buffer;
_pixelArray data = source.getBitmap();
do {
_color col = _color(*data++);
tempBuffer[0] = col.getR()<<3;
tempBuffer[1] = col.getG()<<3;
tempBuffer[2] = col.getB()<<3;
tempBuffer += 3;
} while( --numberPixels > 0 );
int quality = compression.isValid() ? (int)(_imageFileCompression)compression : 90; // Set Quality
result = jo_write_jpg( this->getFileName().c_str() , buffer , source.getWidth() , source.getHeight() , 3 , quality );
delete[] buffer;
}
default:
break;
}
return result;
}
