static void ScaleImgAndSave(string inputImgFilename, float scale, PixelFarm.CpuBlit.Imaging.FreeTransform.InterpolationMode interpolation, string outputImgFilename)
{
PixelFarm.CpuBlit.Imaging.FreeTransform freeTx = new PixelFarm.CpuBlit.Imaging.FreeTransform();
MemBitmap bmp = LoadImage(inputImgFilename);
//freeTx.Interpolation = PixelFarm.CpuBlit.Imaging.FreeTransform.InterpolationMode.Bicubic;// PixelFarm.Agg.Imaging.FreeTransform.InterpolationMode.Bilinear;
freeTx.Interpolation = interpolation;// PixelFarm.CpuBlit.Imaging.FreeTransform.InterpolationMode.Bilinear;
//freeTx.SetFourCorners(
// new PixelFarm.VectorMath.PointF(0, 0),
// new PixelFarm.VectorMath.PointF(bmp.Width / 5, 0),
// new PixelFarm.VectorMath.PointF(bmp.Width / 5, bmp.Height / 5),
// new PixelFarm.VectorMath.PointF(0, bmp.Height / 5)
//);
freeTx.SetFourCorners(
new PixelFarm.VectorMath.PointF(0, 0),
new PixelFarm.VectorMath.PointF(bmp.Width * scale, 0),
new PixelFarm.VectorMath.PointF(bmp.Width * scale, bmp.Height * scale),
new PixelFarm.VectorMath.PointF(0, bmp.Height * scale)
);
using (MemBitmap transferBmp = freeTx.GetTransformedBitmap(bmp))
{
SaveImage(transferBmp, outputImgFilename);
}
}
private void cmdFreeTransform_Click(object sender, EventArgs e)
{
PixelFarm.CpuBlit.Imaging.FreeTransform freeTx = new PixelFarm.CpuBlit.Imaging.FreeTransform();
MemBitmap bmp = LoadImage("Samples\\lion1.png");
freeTx.Interpolation = PixelFarm.CpuBlit.Imaging.FreeTransform.InterpolationMode.Bicubic;// PixelFarm.Agg.Imaging.FreeTransform.InterpolationMode.Bilinear;
//freeTx.SetFourCorners(
// new PixelFarm.VectorMath.PointF(0, 0),
// new PixelFarm.VectorMath.PointF(bmp.Width / 5, 0),
// new PixelFarm.VectorMath.PointF(bmp.Width / 5, bmp.Height / 5),
// new PixelFarm.VectorMath.PointF(0, bmp.Height / 5)
//);
freeTx.SetFourCorners(
new PixelFarm.VectorMath.PointF(0, 0),
new PixelFarm.VectorMath.PointF(bmp.Width * 3, 0),
new PixelFarm.VectorMath.PointF(bmp.Width * 3, bmp.Height * 3),
new PixelFarm.VectorMath.PointF(0, bmp.Height * 3)
);
using (MemBitmap transferBmp = freeTx.GetTransformedBitmap(bmp))
{
SaveImage(transferBmp, "test01_tx" + freeTx.Interpolation + ".png");
}
pictureBox1.Image = null;
if (_resultBmp != null)
{
_resultBmp.Dispose();
_resultBmp = null;
}
pictureBox1.Image = _resultBmp = new Bitmap("test01_tx" + freeTx.Interpolation + ".png");
}
private void cmdFreeTransform_Click(object sender, EventArgs e)
{
PixelFarm.CpuBlit.Imaging.FreeTransform freeTx = new PixelFarm.CpuBlit.Imaging.FreeTransform();
MemBitmap bmp = LoadImage("Samples\\lion1.png");
freeTx.Interpolation = PixelFarm.CpuBlit.Imaging.FreeTransform.InterpolationMode.Bicubic;// PixelFarm.Agg.Imaging.FreeTransform.InterpolationMode.Bilinear;
freeTx.SetFourCorners(
new PixelFarm.VectorMath.PointF(0, 0),
new PixelFarm.VectorMath.PointF(bmp.Width / 5, 0),
new PixelFarm.VectorMath.PointF(bmp.Width / 5, bmp.Height / 5),
new PixelFarm.VectorMath.PointF(0, bmp.Height / 5)
);
// freeTx.SetFourCorners(
// new PixelFarm.VectorMath.PointF(0, 0),
// new PixelFarm.VectorMath.PointF(bmp.Width * 4, 0),
// new PixelFarm.VectorMath.PointF(bmp.Width * 4, bmp.Height * 4),
// new PixelFarm.VectorMath.PointF(0, bmp.Height * 4)
//);
using (MemBitmap transferBmp = freeTx.GetTransformedBitmap(bmp))
{
SaveImage(transferBmp, "d:\\WImageTest\\test01_tx" + freeTx.Interpolation + ".png");
}
}