public void Test_Scale3X_UnmanagedBitmap()
{
using (var bitmapNew = new UnmanagedBitmap <Bgr32>(400, 400))
using (var bitmapOld = BitmapFactory.CreateEmpty(400, 400, PixelFormat.Format32bppRgb, Color.White))
{
using (var graphics = Graphics.FromImage(bitmapOld))
using (var pen = new SolidBrush(Color.Blue))
{
graphics.FillRectangle(pen, new Rectangle(30, 30, 340, 340));
}
bitmapNew.Span.Fill(new Bgr32 {
B = 255, G = 255, R = 255, Unused = 0
});
using (var bitmap = bitmapNew.AsBitmap())
using (var graphics = Graphics.FromImage(bitmap))
using (var pen = new SolidBrush(Color.Blue))
{
graphics.FillRectangle(pen, new Rectangle(30, 30, 340, 340));
using (var scaledUnmanagedBitmap = bitmapNew.Scale3X())
using (var scaledNewBitmap = scaledUnmanagedBitmap.AsBitmap())
using (var scaledBitmap = bitmapOld.Scale3X())
{
scaledNewBitmap.Save(@"new3x.png", ImageFormat.Png);
scaledBitmap.Save(@"old3x.png", ImageFormat.Png);
Assert.True(scaledBitmap.IsEqualTo(scaledNewBitmap), "New Scale3X doesn't compare to old.");
}
}
}
}
public MainForm()
{
InitializeComponent();
using (var stream = typeof(MainForm).Assembly.GetManifestResourceStream("FormApplication.character.png")) {
var bitmap = (Bitmap)Bitmap.FromStream(stream);
m_Bitmap = UnmanagedBitmap.FromHicon(bitmap.GetHicon());
}
}
public void CreateTestImage()
{
_unmanagedTestBitmap = new UnmanagedBitmap <Bgr32>(400, 400);
_unmanagedTestBitmap.Span.Fill(new Bgr32 {
B = 255, G = 255, R = 255, Unused = 0
});
using (var bitmap = _unmanagedTestBitmap.AsBitmap())
using (var graphics = Graphics.FromImage(bitmap))
using (var pen = new SolidBrush(Color.Blue))
{
graphics.FillRectangle(pen, new Rectangle(30, 30, 340, 340));
}
_testBitmap = _unmanagedTestBitmap.AsBitmap();
}
//[Benchmark]
public void Blur_UnmanagedBitmap()
{
using (var unmanagedBitmap = new UnmanagedBitmap <Bgr32>(400, 400))
{
unmanagedBitmap.Span.Fill(new Bgr32 {
B = 255, G = 255, R = 255
});
using (var bitmap = unmanagedBitmap.AsBitmap())
using (var graphics = Graphics.FromImage(bitmap))
using (var pen = new SolidBrush(Color.Blue))
{
graphics.FillRectangle(pen, new Rectangle(30, 30, 340, 340));
}
unmanagedBitmap.ApplyBoxBlur(10);
}
}
