int BeautyCompetition(YsRawPngDecoder &image1,YsRawPngDecoder &image2) {//get input from user interface
unsigned int m,n;
//calculate the grayscale of each iamge
m=GrayScale(0,0,image1.wid,image1.hei,image1.wid,image1.rgba);
n=GrayScale(0,0,image2.wid,image2.hei,image2.wid,image2.rgba);
return Compare(m,n); //compare two scales and return a value
}
void OldPhoto(TiBitmapData& bitmap)
{
//灰度化
GrayScale(bitmap);
//添加红色通道 减少蓝色通道 使得图片泛黄
BalanceColor(bitmap,34,0,-87,TINYIMAGE_TRANSFERMODE_MIDTONES,false);
}
shared_ptr<FrameState<Dtype> > Environment<Dtype>::GetFrame() {
CHECK( !GameOver() );
const ALEScreen & screen = ale_->getScreen();
CHECK_EQ( screen.height(), SCREEN_HEIGHT );
CHECK_EQ( screen.width(), SCREEN_WIDTH );
GetFrameGrayScale( screen.getArray() );
const double xRatio = (double)SCREEN_HEIGHT / CROP_HEIGHT;
const double yRatio = (double)SCREEN_WIDTH / CROP_WIDTH;
static Dtype pixels[CROP_SIZE];
for ( int i = 0; i < CROP_HEIGHT; ++i ) {
for ( int j = 0; j < CROP_WIDTH; ++j ) {
int xL = int(i * xRatio);
int xR = int((i + 1) * xRatio);
int yL = int(j * yRatio);
int yR = int((j + 1) * yRatio);
double result = 0.0;
#define GET_WEIGHT( i, x, ratio, l, r, weight ) \
weight = 1.0; \
if ( x == l ) weight = x + 1 - i * ratio; \
else if ( x == r ) weight = (i + 1) * ratio - x; \
CHECK_LE( 0.0, weight ); \
CHECK_LE( weight, 1.0 );
double xWeight, yWeight;
for ( int x = xL; x <= xR; ++x ) {
GET_WEIGHT( i, x, xRatio, xL, xR, xWeight );
for ( int y = yL; y <= yR; ++y ) {
GET_WEIGHT( j, y, yRatio, yL, yR, yWeight );
Dtype grayScale = GrayScale( x, y );
result += (xWeight / xRatio) * (yWeight / yRatio) * grayScale;
}
}
#undef GET_WEIGHT
pixels[i * CROP_WIDTH + j] = result;
}
}
FrameState<Dtype>* frame = new FrameState<Dtype>( pixels, CROP_SIZE );
//frame->inspect( "Environment::Getframe" );
return shared_ptr<FrameState<Dtype> >( frame );
}
