/**
generate some small images and render them on the backgroun.
*/
static void GenSmallImage( int img_count, Gdiplus::Graphics *g, const Gdiplus::RectF &render_rect, int sel )
{
#define RAND_ALPHA ( 100 + random( 55 ) )
if( img_count < 1 )
{
return;
}
CFileListManager &file_manager = GetInst( CFileListManager );
// render without alpha value
Gdiplus::Image *img = CreateImgFromBuffer( file_manager.GetRandSmall() );
Gdiplus::PointF render_pos = GetRandPosInULRect( img->GetWidth(), img->GetHeight(), render_rect );
Gdiplus::RectF img_rect( render_pos.X, render_pos.Y, (float)img->GetWidth(), (float)img->GetHeight() );
img_alpha( g, img, render_pos.X, render_pos.Y, img_count == 1 ? 255 : RAND_ALPHA );
delete img;
// render with random alpha value and random rotation degree
g->SetClip( img_rect );
for( int i = 1; i < img_count; ++ i )
{
img = CreateImgFromBuffer( file_manager.GetRandSmall() );
img_rotate( g, img, render_pos.X, render_pos.Y, img->GetWidth() / 2, img->GetHeight() / 2,
random( 360 ), // [0-360)
RAND_ALPHA ); // [100-155)
delete img;
}
g->ResetClip();
// blend a 'X' sign onto the picture if it's not the answer
if( img_count > 1 )
{
//BlendXSign( g, img_rect );
}
// blend 'A''B''C''D' sign.
BlendSelSign( g, img_rect, sel );
}
void img_rotate_right(img_t *img) {
img_rotate(img, 1);
}
void img_rotate_left(img_t *img) {
img_rotate(img, 3);
}
