public static void Generate(string filePathToPatch, string outputFolder, string filename)
{
using (var bitmap = new Bitmap(filePathToPatch))
{
var basicSplashNinePatch = new NinePatch();
var topAndBottomSegmentHeight = 1d / 26d;
var leftAndRightSegmentWidth = 1d / 18d;
// stretch (these values should be the same for both left and both top, to ensure that the image stays centered when resizing)
// LeftRanges represent the NinePatch lines appearing on the left side of the image, it represents the top and bottom part
// TopRanges represent the NinePatch lines appearing on the top side of the image, it represents the left and right part
basicSplashNinePatch.LeftRanges.Add(NinePatchRange.CreateFromStart(0, topAndBottomSegmentHeight));
basicSplashNinePatch.LeftRanges.Add(NinePatchRange.CreateFromEnd(1, topAndBottomSegmentHeight));
basicSplashNinePatch.TopRanges.Add(NinePatchRange.CreateFromStart(0, leftAndRightSegmentWidth));
basicSplashNinePatch.TopRanges.Add(NinePatchRange.CreateFromEnd(1, leftAndRightSegmentWidth));
// scale
basicSplashNinePatch.RightRanges.Add(NinePatchRange.CreateFromStart(topAndBottomSegmentHeight, 1d - 2 * topAndBottomSegmentHeight));
basicSplashNinePatch.BottomRanges.Add(NinePatchRange.CreateFromStart(leftAndRightSegmentWidth, 1d - 2 * leftAndRightSegmentWidth));
// output
SaveDrawable(outputFolder, filename, "xxhdpi", bitmap, basicSplashNinePatch, 1.5);
SaveDrawable(outputFolder, filename, "xhdpi", bitmap, basicSplashNinePatch, 1);
SaveDrawable(outputFolder, filename, "hdpi", bitmap, basicSplashNinePatch, .75);
SaveDrawable(outputFolder, filename, "mdpi", bitmap, basicSplashNinePatch, .5);
SaveDrawable(outputFolder, filename, "ldpi", bitmap, basicSplashNinePatch, .375);
}
}
private static void SaveDrawable(string folder, string filename, string suffix, Bitmap bitmap, NinePatch patch, double scale)
{
var newFilename = BuildFilename(folder, suffix, filename);
#if DEBUG
//Todo Fonts dont work on Mac
//TagImage(bitmap, suffix);
#endif
Directory.CreateDirectory(Path.GetDirectoryName(newFilename));
using (var newImage = Resizer.ResizeBitmap(bitmap, scale))
{
patch.DrawOn(newImage);
newImage.Save(newFilename);
}
}