public CustomScanlineRasToBmp_EnlargedV2(double size, ActualImage destImage)
{
this.ScanlineRenderMode = Agg.ScanlineRenderMode.Custom;
m_size = size;
m_square = new Square(size);
gfx = new AggRenderSurface(destImage);
}
protected override void OnDrawSample(SKCanvas canvas, int width, int height)
{
if (!buildVxs)
{
destImg = new ActualImage(400, 300, PixelFarm.Agg.PixelFormat.ARGB32);
imgGfx2d = new ImageGraphics2D(destImg); //no platform
p = new AggCanvasPainter(imgGfx2d);
buildVxs = true;
ReadAndRender("tahoma.ttf", "A");
}
canvas.Clear(SKColors.White);
using (SKBitmap bitmap = new SKBitmap(destImg.Width, destImg.Height, false))
{
//IntPtr pixelHeader = bitmap.GetPixels();
//byte[] srcBuffer = ActualImage.GetBuffer(destImg);
bitmap.LockPixels();
//System.Runtime.InteropServices.Marshal.Copy(
// srcBuffer, 0,
// pixelHeader, srcBuffer.Length);
//bitmap.UnlockPixels();
PixelFarm.Agg.Imaging.BitmapHelper.CopyToGdiPlusBitmapSameSize(
destImg, destImg.Width, destImg.Height,
destImg.Stride, bitmap.GetPixels());
bitmap.UnlockPixels();
canvas.DrawBitmap(bitmap, 10, 10);
}
}
public CustomScanlineRasToBmp_EnlargedV3(double size, ActualImage destImage)
{
this.ScanlineRenderMode = Agg.ScanlineRenderMode.Custom;
m_size = size;
m_square = new Square(size);
gfx = Graphics2D.CreateFromImage(destImage);
}
public override void DrawImage(ActualImage actualImage, params AffinePlan[] affinePlans)
{
//1. create special graphics
throw new NotSupportedException();
//using (System.Drawing.Bitmap srcBmp = CreateBmpBRGA(actualImage))
//{
// var bmp = _bmpStore.GetFreeBmp();
// using (var g2 = System.Drawing.Graphics.FromImage(bmp))
// {
// //we can use recycle tmpVxsStore
// Affine destRectTransform = Affine.NewMatix(affinePlans);
// double x0 = 0, y0 = 0, x1 = bmp.Width, y1 = bmp.Height;
// destRectTransform.Transform(ref x0, ref y0);
// destRectTransform.Transform(ref x0, ref y1);
// destRectTransform.Transform(ref x1, ref y1);
// destRectTransform.Transform(ref x1, ref y0);
// var matrix = new System.Drawing.Drawing2D.Matrix(
// (float)destRectTransform.m11, (float)destRectTransform.m12,
// (float)destRectTransform.m21, (float)destRectTransform.m22,
// (float)destRectTransform.dx, (float)destRectTransform.dy);
// g2.Clear(System.Drawing.Color.Transparent);
// g2.Transform = matrix;
// //------------------------
// g2.DrawImage(srcBmp, new System.Drawing.PointF(0, 0));
// this._gfx.DrawImage(bmp, new System.Drawing.Point(0, 0));
// }
// _bmpStore.RelaseBmp(bmp);
//}
}
void RenderWithMsdfImg(Typeface typeface, char testChar, float sizeInPoint)
{
p.FillColor = PixelFarm.Drawing.Color.Black;
//p.UseSubPixelRendering = chkLcdTechnique.Checked;
p.Clear(PixelFarm.Drawing.Color.White);
//----------------------------------------------------
var builder = new MyGlyphPathBuilder(typeface);
var hintTech = (HintTechnique)cmbHintTechnique.SelectedItem;
builder.UseTrueTypeInstructions = false; //reset
builder.UseVerticalHinting = false; //reset
switch (hintTech)
{
case HintTechnique.TrueTypeInstruction:
builder.UseTrueTypeInstructions = true;
break;
case HintTechnique.TrueTypeInstruction_VerticalOnly:
builder.UseTrueTypeInstructions = true;
builder.UseVerticalHinting = true;
break;
case HintTechnique.CustomAutoFit:
//custom agg autofit
break;
}
//----------------------------------------------------
builder.Build(testChar, sizeInPoint);
//----------------------------------------------------
var msdfGlyphGen = new MsdfGlyphGen();
GlyphImage2 glyphImg = msdfGlyphGen.CreateMsdfImage(
builder.GetOutputPoints(),
builder.GetOutputContours(),
builder.GetPixelScale());
var actualImg = ActualImage.CreateFromBuffer(glyphImg.Width, glyphImg.Height, PixelFormat.ARGB32, glyphImg.GetImageBuffer());
p.DrawImage(actualImg, 0, 0);
//using (Bitmap bmp = new Bitmap(w, h, System.Drawing.Imaging.PixelFormat.Format32bppArgb))
//{
// var bmpdata = bmp.LockBits(new Rectangle(0, 0, w, h), System.Drawing.Imaging.ImageLockMode.ReadWrite, bmp.PixelFormat);
// System.Runtime.InteropServices.Marshal.Copy(buffer, 0, bmpdata.Scan0, buffer.Length);
// bmp.UnlockBits(bmpdata);
// bmp.Save("d:\\WImageTest\\a001_xn2_" + n + ".png");
//}
if (chkShowGrid.Checked)
{
//render grid
RenderGrid(800, 600, _gridSize, p);
}
//6. use this util to copy image from Agg actual image to System.Drawing.Bitmap
PixelFarm.Agg.Imaging.BitmapHelper.CopyToGdiPlusBitmapSameSize(destImg, winBmp);
//---------------
//7. just render our bitmap
g.Clear(Color.White);
g.DrawImage(winBmp, new Point(30, 20));
}
public static void CopyFromGdiPlusBitmapSameSize(
Bitmap windowsBitmap,
ActualImage actualImage)
{
int h = windowsBitmap.Height;
int w = windowsBitmap.Width;
//byte[] targetBuffer = ActualImage.GetBuffer(actualImage);
BitmapData bitmapData1 = windowsBitmap.LockBits(
new Rectangle(0, 0,
w,
h),
System.Drawing.Imaging.ImageLockMode.ReadWrite,
windowsBitmap.PixelFormat);
IntPtr scan0 = bitmapData1.Scan0;
int stride = bitmapData1.Stride;
//TODO: review here
//use buffer copy
unsafe
{
TempMemPtr targetPtr = ActualImage.GetBufferPtr(actualImage);
//target
int startRowAt = ((h - 1) * stride);
byte *src = (byte *)scan0;
byte *targetBuffer = (byte *)targetPtr.Ptr;
for (int y = h; y > 0; --y)
{
// byte* target = targetH + ((y - 1) * stride);
//System.Runtime.InteropServices.Marshal.Copy(
// (IntPtr)src,//src
// targetBuffer, startRowAt, stride);
AggMemMx.memcpy(targetBuffer + startRowAt, src, stride);
startRowAt -= stride;
src += stride;
}
//////////////////////////////////////////////////////////////////
//fixed (byte* targetH = &targetBuffer[0])
//{
// byte* src = (byte*)scan0;
// for (int y = h; y > 0; --y)
// {
// byte* target = targetH + ((y - 1) * stride);
// for (int n = stride - 1; n >= 0; --n)
// {
// *target = *src;
// target++;
// src++;
// }
// }
//}
}
windowsBitmap.UnlockBits(bitmapData1);
}
public CustomScanlineRasToBmp_EnlargedSubPixelRendering(double size, ActualImage destImage)
{
this.ScanlineRenderMode = Agg.ScanlineRenderMode.Custom;
m_size = size;
m_square = new Square(size);
gfx = new AggRenderSurface(destImage);
lcdLut = new Sample_AADemoTest3.AggLcdDistributionLookupTable(primary, 2.0 / 9, 1.0 / 9);
}
public override void DrawImage(ActualImage actualImage, params AffinePlan[] affinePlans)
{
//create gl bmp
GLBitmap glBmp = new GLBitmap(actualImage.Width, actualImage.Height, ActualImage.GetBuffer(actualImage), false);
_canvas.DrawImage(glBmp, 0, 0);
glBmp.Dispose();
}
void generate_alpha_mask(ScanlineRasToDestBitmapRenderer sclineRasToBmp, ScanlinePacked8 sclnPack, ScanlineRasterizer rasterizer, int width, int height)
{
alphaBitmap = new ActualImage(width, height, PixelFormat.GrayScale8);
var bmpReaderWrtier = new MyImageReaderWriter(alphaBitmap);
alphaMaskImageBuffer = new ChildImage(bmpReaderWrtier, new PixelBlenderGray(1));
alphaMask = new AlphaMaskByteClipped(alphaMaskImageBuffer, 1, 0);
#if USE_CLIPPING_ALPHA_MASK
//alphaMaskImageBuffer.AttachBuffer(alphaBitmap.GetBuffer(), 20 * width + 20, width - 40, height - 40, width, 8, 1);
#else
alphaMaskImageBuffer.attach(alphaByteArray, (int)cx, (int)cy, cx, 1);
#endif
var image = new ChildImage(alphaMaskImageBuffer, new PixelBlenderGray(1), 1, 0, 8);
ClipProxyImage clippingProxy = new ClipProxyImage(image);
clippingProxy.Clear(ColorRGBA.Black);
VertexSource.Ellipse ellipseForMask = new PixelFarm.Agg.VertexSource.Ellipse();
System.Random randGenerator = new Random(1432);
int i;
int num = (int)maskAlphaSliderValue;
for (i = 0; i < num; i++)
{
if (i == num - 1)
{
ellipseForMask.Reset(Width / 2, Height / 2, 110, 110, 100);
rasterizer.AddPath(ellipseForMask.MakeVertexSnap());
sclineRasToBmp.RenderWithColor(clippingProxy, rasterizer, sclnPack, new ColorRGBA(0, 0, 0, 255));
ellipseForMask.Reset(ellipseForMask.originX, ellipseForMask.originY, ellipseForMask.radiusX - 10, ellipseForMask.radiusY - 10, 100);
rasterizer.AddPath(ellipseForMask.MakeVertexSnap());
sclineRasToBmp.RenderWithColor(clippingProxy, rasterizer, sclnPack, new ColorRGBA(255, 0, 0, 255));
}
else
{
ellipseForMask.Reset(randGenerator.Next() % width,
randGenerator.Next() % height,
randGenerator.Next() % 100 + 20,
randGenerator.Next() % 100 + 20,
100);
// set the color to draw into the alpha channel.
// there is not very much reason to set the alpha as you will get the amount of
// transparency based on the color you draw. (you might want some type of different edeg effect but it will be minor).
rasterizer.AddPath(ellipseForMask.MakeVxs());
sclineRasToBmp.RenderWithColor(clippingProxy, rasterizer, sclnPack,
ColorRGBA.Make((int)((float)i / (float)num * 255), 0, 0, 255));
}
}
}
void BlendScanline(ActualImage destImg, byte[] expandGreyBuffer,
PixelFarm.Drawing.Color color, int x, int y, int width)
{
byte[] rgb = new byte[3] {
color.R,
color.G,
color.B
};
//-------------------------
//destination
byte[] destImgBuffer = ActualImage.GetBuffer(destImg);
//start pixel
int destImgIndex = (x * 4) + (destImg.Stride * y);
//start img src
int srcImgIndex = x + (width * y);
int colorIndex = 0;
int round = 0;
byte color_a = color.alpha;
while (width > 3)
{
//try
//{
int a0 = expandGreyBuffer[srcImgIndex] * color_a;
int a1 = expandGreyBuffer[srcImgIndex + 1] * color_a;
int a2 = expandGreyBuffer[srcImgIndex + 2] * color_a;
byte ec0 = destImgBuffer[destImgIndex]; //existing color
byte ec1 = destImgBuffer[destImgIndex + 1]; //existing color
byte ec2 = destImgBuffer[destImgIndex + 2]; //existing color
//------------------------------------------------------
//please note that we swap a2 and a0 on the fly****
//------------------------------------------------------
byte n0 = (byte)((((rgb[colorIndex] - ec0) * a2) + (ec0 << 16)) >> 16);
byte n1 = (byte)((((rgb[colorIndex + 1] - ec1) * a1) + (ec1 << 16)) >> 16);
byte n2 = (byte)((((rgb[colorIndex + 2] - ec2) * a0) + (ec2 << 16)) >> 16);
destImgBuffer[destImgIndex] = n0;
destImgBuffer[destImgIndex + 1] = n1;
destImgBuffer[destImgIndex + 2] = n2;
destImgIndex += 4;
round = 0;
colorIndex = 0;
srcImgIndex += 3;
width -= 3;
//}
//catch (Exception ex)
//{
//}
}
}
/// <summary>
/// copy from actual image direct to hBmpScan0
/// </summary>
/// <param name="actualImage"></param>
/// <param name="hBmpScan0"></param>
public static void CopyToWindowsBitmapSameSize(
ActualImage actualImage,
IntPtr hBmpScan0)
{
//1st, fast
int[] rawBuffer = ActualImage.GetBuffer(actualImage);
System.Runtime.InteropServices.Marshal.Copy(rawBuffer, 0,
hBmpScan0, rawBuffer.Length);
}
public MiniAggCanvasRenderElement(RootGraphic rootgfx, int width, int height)
: base(rootgfx, width, height)
{
this.actualImage = new ActualImage(width, height, PixelFarm.Agg.PixelFormat.ARGB32);
this._aggsx = new AggRenderSurface(actualImage);
this.painter = new AggPainter((AggRenderSurface)_aggsx);
needUpdate = true;
this.BackColor = Color.White;
}
public void BindHostGraphics(Graphics hostControlGraphics)
{
g = hostControlGraphics;
//
destImg = new ActualImage(400, 300, PixelFormat.ARGB32);
imgGfx2d = new ImageGraphics2D(destImg); //no platform
p = new AggCanvasPainter(imgGfx2d);
winBmp = new Bitmap(400, 300, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
}
/// <summary>
/// copy from actual image direct to hBmpScan0
/// </summary>
/// <param name="actualImage"></param>
/// <param name="hBmpScan0"></param>
public static void CopyToWindowsBitmapSameSize(
ActualImage actualImage,
IntPtr hBmpScan0)
{
//1st, fast
byte[] rawBuffer = ActualImage.GetBuffer(actualImage);
System.Runtime.InteropServices.Marshal.Copy(rawBuffer, 0,
hBmpScan0, rawBuffer.Length);
}
void Blend(ActualImage destImg, byte[] greyBuff, int greyBufferWidth, int greyBufferHeight)
{
PixelFarm.Drawing.Color color = PixelFarm.Drawing.Color.Black;
for (int y = 0; y < greyBufferHeight; ++y)
{
BlendScanline(destImg, greyBuff, color, 0, y, greyBufferWidth);
}
//SwapRB(destImg);
}
public MiniAggCanvasRenderElement(RootGraphic rootgfx, int width, int height)
: base(rootgfx, width, height)
{
this.actualImage = new ActualImage(width, height, PixelFarm.Agg.PixelFormat.ARGB32);
this.gfx2d = Graphics2D.CreateFromImage(actualImage);
this.painter = new AggCanvasPainter((ImageGraphics2D)gfx2d);
needUpdate = true;
this.BackColor = Color.White;
}
public static void CopyFromWindowsBitmapSameSize(
Bitmap windowsBitmap,
ActualImage actualImage)
{
int h = windowsBitmap.Height;
int w = windowsBitmap.Width;
byte[] buffer = actualImage.GetBuffer();
BitmapData bitmapData1 = windowsBitmap.LockBits(
new Rectangle(0, 0,
w,
h),
System.Drawing.Imaging.ImageLockMode.ReadWrite,
windowsBitmap.PixelFormat);
IntPtr scan0 = bitmapData1.Scan0;
int stride = bitmapData1.Stride;
//unsafe
//{
// fixed (byte* bufferH = &buffer[0])
// {
// byte* target = (byte*)scan0;
// for (int y = h; y > 0; --y)
// {
// byte* src = bufferH + ((y - 1) * stride);
// for (int n = stride - 1; n >= 0; --n)
// {
// *target = *src;
// target++;
// src++;
// }
// }
// }
//}
unsafe
{
//target
fixed(byte *targetH = &buffer[0])
{
byte *src = (byte *)scan0;
for (int y = h; y > 0; --y)
{
byte *target = targetH + ((y - 1) * stride);
for (int n = stride - 1; n >= 0; --n)
{
*target = *src;
target++;
src++;
}
}
}
}
windowsBitmap.UnlockBits(bitmapData1);
}
private void Form1_Load(object sender, EventArgs e)
{
if (DesignMode)
{
return;
}
//
_basicOptions = basicFontOptionsUserControl1.Options;
_basicOptions.TypefaceChanged += (s, e2) =>
{
if (_devVxsTextPrinter != null)
{
_devVxsTextPrinter.Typeface = e2.SelectedTypeface;
}
};
_basicOptions.UpdateRenderOutput += (s, e2) =>
{
UpdateRenderOutput();
};
//
//----------
_renderOptions = glyphRenderOptionsUserControl1.Options;
_renderOptions.UpdateRenderOutput += (s, e2) =>
{
UpdateRenderOutput();
};
//share text printer to our sample textbox
//but you can create another text printer that specific to text textbox control
destImg = new ActualImage(800, 600);
aggsx = new AggRenderSurface(destImg); //no platform
painter = new AggPainter(aggsx);
winBmp = new Bitmap(destImg.Width, destImg.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
g = this.sampleTextBox1.CreateGraphics();
painter.CurrentFont = new PixelFarm.Drawing.RequestFont("tahoma", 14);
var openFontStore = new Typography.TextServices.OpenFontStore();
_devVxsTextPrinter = new VxsTextPrinter(painter, openFontStore);
_devVxsTextPrinter.ScriptLang = _basicOptions.ScriptLang;
_devVxsTextPrinter.PositionTechnique = Typography.TextLayout.PositionTechnique.OpenFont;
_devVxsTextPrinter.FontSizeInPoints = 10;
_controllerForPixelFarm.BindHostGraphics(g);
_controllerForPixelFarm.TextPrinter = _devVxsTextPrinter;
this.sampleTextBox1.SetController(_controllerForPixelFarm);
_readyToRender = true;
_basicOptions.UpdateRenderOutput += (s, e2) => UpdateRenderOutput();
//----------
//txtInputChar.TextChanged += (s, e2) => UpdateRenderOutput();
//----------
}
public override void DrawImage(ActualImage actualImage, double x, double y)
{
//create Gdi bitmap from actual image
int w = actualImage.Width;
int h = actualImage.Height;
switch (actualImage.PixelFormat)
{
case Agg.PixelFormat.ARGB32:
{
using (SKBitmap newBmp = new SKBitmap(actualImage.Width, actualImage.Height))
{
newBmp.LockPixels();
byte[] actualImgBuffer = ActualImage.GetBuffer(actualImage);
System.Runtime.InteropServices.Marshal.Copy(
actualImgBuffer,
0,
newBmp.GetPixels(),
actualImgBuffer.Length);
newBmp.UnlockPixels();
}
//newBmp.internalBmp.LockPixels();
//byte[] actualImgBuffer = ActualImage.GetBuffer(actualImage);
//System.Runtime.InteropServices.Marshal.Copy(
// actualImgBuffer,
// 0,
// newBmp.internalBmp.GetPixels(),
// actualImgBuffer.Length);
//newBmp.internalBmp.UnlockPixels();
//return newBmp;
//copy data from acutal buffer to internal representation bitmap
//using (MySkBmp bmp = MySkBmp.CopyFrom(actualImage))
//{
// _skCanvas.DrawBitmap(bmp.internalBmp, (float)x, (float)y);
//}
}
break;
case Agg.PixelFormat.RGB24:
{
}
break;
case Agg.PixelFormat.GrayScale8:
{
}
break;
default:
throw new NotSupportedException();
}
}
private void button3_Click(object sender, EventArgs e)
{
//----------------------
//1. test gdi+ font path
char testChar = 'b';
float fontSize = 20;
using (System.Drawing.Font ff = new Font("tahoma", fontSize))
using (Graphics g = this.pictureBox1.CreateGraphics())
{
g.SmoothingMode = SmoothingMode.HighQuality;
g.Clear(Color.White);
var winFont = PixelFarm.Agg.Fonts.GdiPathFontStore.LoadFont("tahoma", (int)fontSize);
var winFontGlyph = winFont.GetGlyph(testChar);
//convert Agg vxs to bitmap
int bmpW = 50;
int bmpH = 50;
using (Bitmap bufferBmp = new Bitmap(bmpW, bmpH))
{
ActualImage actualImage = new ActualImage(bmpW, bmpH, PixelFarm.Agg.Image.PixelFormat.Rgba32);
Graphics2D gfx = Graphics2D.CreateFromImage(actualImage);
var vxs = winFontGlyph.originalVxs;
gfx.Render(vxs, ColorRGBA.Black);
//test subpixel rendering
vxs = PixelFarm.Agg.Transform.Affine.TranslateToVxs(vxs, 15, 0);
gfx.UseSubPixelRendering = true;
gfx.Render(vxs, ColorRGBA.Black);
PixelFarm.Agg.Image.BitmapHelper.CopyToWindowsBitmap(
actualImage, //src from actual img buffer
bufferBmp, //dest to buffer bmp
new RectInt(0, 0, bmpW, bmpH));
//-----------------------------------------
bufferBmp.RotateFlip(RotateFlipType.RotateNoneFlipY);
g.DrawImage(bufferBmp, new Point(0, 30));
}
//----------------------------------------------
//----------------------------------------------
//compare with GraphicsPath's Font
using (GraphicsPath gpath = new GraphicsPath())
{
gpath.AddString(testChar.ToString(), ff.FontFamily, 1, ff.Size,
new Point(0, 0), null);
g.FillPath(Brushes.Black, gpath);
//g.DrawPath(Pens.Black, gpath);
}
//-------------------------------------------------
//Compare with Gdi+ Font
g.DrawString(testChar.ToString(), ff, Brushes.Black, new PointF(0, 50));
}
}
public override void Init()
{
UseBitmapExt = false;
string imgFileName = "d:\\WImageTest\\lion1.png";
if (System.IO.File.Exists(imgFileName))
{
lionImg = DemoHelper.LoadImage(imgFileName);
}
}
public static void CopyToWindowsBitmap(ActualImage backingImageBufferByte,
Bitmap windowsBitmap,
RectInt rect)
{
int offset = 0;
byte[] buffer = backingImageBufferByte.GetBuffer();
BitmapHelper.CopyToWindowsBitmap(buffer, offset,
backingImageBufferByte.Stride, backingImageBufferByte.Height,
backingImageBufferByte.BitDepth,
windowsBitmap, rect);
}
void UpdateRenderOutput()
{
if (g == null)
{
destImg = new ActualImage(400, 300, PixelFormat.ARGB32);
imgGfx2d = new ImageGraphics2D(destImg); //no platform
p = new AggCanvasPainter(imgGfx2d);
winBmp = new Bitmap(400, 300, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
g = this.CreateGraphics();
}
ReadAndRender(_currentSelectedFontFile);
}
private void button4_Click(object sender, EventArgs e)
{
//----------------------
//1. test gdi+ font path
char testChar = 'b';
float fontSize = 20;
using (Graphics g = this.pictureBox1.CreateGraphics())
{
g.SmoothingMode = SmoothingMode.HighQuality;
g.Clear(Color.White);
//convert Agg vxs to bitmap
int bmpW = 500;
int bmpH = 500;
using (Bitmap bufferBmp = new Bitmap(bmpW, bmpH))
{
ActualImage actualImage = new ActualImage(bmpW, bmpH, PixelFarm.Agg.Image.PixelFormat.Rgba32);
Graphics2D gfx = Graphics2D.CreateFromImage(actualImage);
var vxs = new VertexStore();
//vxs.AddMoveTo(0, 0);
////vxs.AddP3c(100, 0);
////vxs.AddP3c(100,150);
////vxs.AddLineTo(0,0);
//vxs.AddLineTo(0, 0);
//vxs.AddP3c(100, 0);
////vxs.AddLineTo(100, 0);
////vxs.AddLineTo(100, 150);
//vxs.AddP3c(100, 150);
//vxs.AddLineTo(0, 150);
//vxs.AddCloseFigure();
//PixelFarm.Agg.VertexSource.CurveFlattener cflat = new PixelFarm.Agg.VertexSource.CurveFlattener();
//vxs = cflat.MakeVxs(vxs);
gfx.Render(vxs, ColorRGBA.Black);
//test subpixel rendering
vxs = PixelFarm.Agg.Transform.Affine.TranslateToVxs(vxs, 15, 0);
gfx.UseSubPixelRendering = true;
gfx.Render(vxs, ColorRGBA.Black);
PixelFarm.Agg.Image.BitmapHelper.CopyToWindowsBitmap(
actualImage, //src from actual img buffer
bufferBmp, //dest to buffer bmp
new RectInt(0, 0, bmpW, bmpH));
//-----------------------------------------
bufferBmp.RotateFlip(RotateFlipType.RotateNoneFlipY);
g.DrawImage(bufferBmp, new Point(0, 30));
}
}
}
static byte[] CreateGreyScaleBuffer(ActualImage img)
{
//assume img is 32 rgba img
int imgW = img.Width;
int height = img.Height;
//56 level grey scale buffer
TempMemPtr srcMemPtr = ActualImage.GetBufferPtr(img);
int greyScaleBufferLen = imgW * height;
byte[] greyScaleBuffer = new byte[greyScaleBufferLen];
int destIndex = 0;
int srcImgIndex = 0;
int srcImgStride = img.Stride;
unsafe
{
byte *srcImgBuffer = (byte *)srcMemPtr.Ptr;
for (int y = 0; y < height; ++y)
{
srcImgIndex = srcImgStride * y;
destIndex = imgW * y;
for (int x = 0; x < imgW; ++x)
{
byte r = srcImgBuffer[srcImgIndex];
byte g = srcImgBuffer[srcImgIndex + 1];
byte b = srcImgBuffer[srcImgIndex + 2];
byte a = srcImgBuffer[srcImgIndex + 3];
if (r != 0 || g != 0 || b != 0)
{
}
if (a != 255)
{
}
//skip alpha
//byte greyScaleValue =
// (byte)((0.333f * (float)r) + (0.5f * (float)g) + (0.1666f * (float)b));
greyScaleBuffer[destIndex] = (byte)(((a + 1) / 256f) * 64f);
destIndex++;
srcImgIndex += 4;
}
}
}
srcMemPtr.Release();
return(greyScaleBuffer);
}
static ActualImage LoadImage(string filename)
{
//read sample image
using (System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(filename))
{
//read to image buffer
int bmpW = bmp.Width;
int bmpH = bmp.Height;
ActualImage img = new ActualImage(bmpW, bmpH);
BitmapHelper.CopyFromGdiPlusBitmapSameSizeTo32BitsBuffer(bmp, img);
return(img);
}
}
static ActualImage LoadImage(string filename)
{
//read sample image
using (System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(filename))
{
//read to image buffer
int bmpW = bmp.Width;
int bmpH = bmp.Height;
ActualImage actualImage = new ActualImage(bmpW, bmpH, PixelFormat.ARGB32);
BitmapHelper.CopyFromGdiPlusBitmapSameSize(bmp, actualImage);
return(actualImage);
}
}
public void Initialize(int width, int height, int bitDepth, ActualImage actualImage)
{
if (width > 0 && height > 0)
{
this.width = width;
this.height = height;
nativeWin32Dc = new Win32.NativeWin32MemoryDc(width, height, false);
this.actualImage = actualImage;
return;
}
throw new NotSupportedException();
}
private void button4_Click(object sender, EventArgs e)
{
//----------------------
//1. test gdi+ font path
char testChar = 'b';
float fontSize = 20;
using (Graphics g = this.pictureBox1.CreateGraphics())
{
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
g.Clear(System.Drawing.Color.White);
//convert Agg vxs to bitmap
int bmpW = 500;
int bmpH = 500;
using (Bitmap bufferBmp = new Bitmap(bmpW, bmpH))
{
ActualImage actualImage = new ActualImage(bmpW, bmpH);
AggRenderSurface gfx = new AggRenderSurface(actualImage);
var vxs = new PixelFarm.Drawing.VertexStore();
//vxs.AddMoveTo(0, 0);
////vxs.AddP3c(100, 0);
////vxs.AddP3c(100,150);
////vxs.AddLineTo(0,0);
//vxs.AddLineTo(0, 0);
//vxs.AddP3c(100, 0);
////vxs.AddLineTo(100, 0);
////vxs.AddLineTo(100, 150);
//vxs.AddP3c(100, 150);
//vxs.AddLineTo(0, 150);
//vxs.AddCloseFigure();
//PixelFarm.Agg.VertexSource.CurveFlattener cflat = new PixelFarm.Agg.VertexSource.CurveFlattener();
//vxs = cflat.MakeVxs(vxs);
gfx.Render(vxs, PixelFarm.Drawing.Color.Black);
//test subpixel rendering
vxs = vxs.TranslateToNewVxs(15, 0, new PixelFarm.Drawing.VertexStore());
gfx.UseSubPixelRendering = true;
gfx.Render(vxs, PixelFarm.Drawing.Color.Black);
PixelFarm.Agg.Imaging.BitmapHelper.CopyToGdiPlusBitmapSameSize(
actualImage, //src from actual img buffer
bufferBmp //dest to buffer bmp
);
//-----------------------------------------
bufferBmp.RotateFlip(RotateFlipType.RotateNoneFlipY);
g.DrawImage(bufferBmp, new System.Drawing.Point(0, 30));
}
}
}
public void BindHostGraphics(Graphics hostControlGraphics)
{
g = hostControlGraphics;
//
destImg = new ActualImage(400, 300, PixelFormat.ARGB32);
imgGfx2d = new ImageGraphics2D(destImg); //no platform
p = new AggCanvasPainter(imgGfx2d);
winBmp = new Bitmap(400, 300, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
_printer = new VxsTextPrinter(p, null);
_visualLine = new VisualLine();
_visualLine.BindLine(_line);
_visualLine.Y = 100;
}
static ActualImage LoadImage(string filename)
{
//read sample image
using (System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(filename))
{
//read to image buffer
int bmpW = bmp.Width;
int bmpH = bmp.Height;
PixelFormat pixFormat = PixelFormat.Rgba32;
ActualImage actualImage = new ActualImage(bmpW, bmpH, pixFormat);
PixelFarm.Agg.Image.BitmapHelper.CopyFromWindowsBitmapSameSize(bmp, actualImage);
return(actualImage);
}
}
public void Initialize(int width, int height, int bitDepth, ActualImage actualImage)
{
if (width > 0 && height > 0)
{
this.width = width;
this.height = height;
//if (bitDepth != 32)
//{
// throw new NotImplementedException("Don't support this bit depth yet.");
//}
//else
//{
// actualImage = new ActualImage(width, height, PixelFormat.ARGB32);
this.actualImage = actualImage;
nativeWin32Dc = new Win32.NativeWin32MemoryDc(width, height, true);
// return Graphics2D.CreateFromImage(actualImage);
//}
return;
}
throw new NotSupportedException();
}
/////////////////////////////////////////////////////////////////////////////////////
public static void CopyToGdiPlusBitmapSameSize(
ActualImage actualImage,
Bitmap bitmap)
{
//agg store image buffer head-down
//when copy to window bmp we here to flip
//style1: copy row by row *** (fastest)***
{
//System.GC.Collect();
//System.Diagnostics.Stopwatch sss = new System.Diagnostics.Stopwatch();
//sss.Start();
//for (int i = 0; i < 1000; ++i)
//{
int h = bitmap.Height;
int w = bitmap.Width;
BitmapData bitmapData1 = bitmap.LockBits(
new Rectangle(0, 0,
w,
h),
System.Drawing.Imaging.ImageLockMode.ReadWrite,
bitmap.PixelFormat);
IntPtr scan0 = bitmapData1.Scan0;
int stride = bitmapData1.Stride;
byte[] srcBuffer = ActualImage.GetBuffer(actualImage);
unsafe
{
fixed (byte* bufferH = &srcBuffer[0])
{
byte* target = (byte*)scan0;
int startRowAt = ((h - 1) * stride);
for (int y = h; y > 0; --y)
{
//byte* src = bufferH + ((y - 1) * stride);
System.Runtime.InteropServices.Marshal.Copy(
srcBuffer,//src
startRowAt,
(IntPtr)target,
stride);
startRowAt -= stride;
target += stride;
}
}
}
bitmap.UnlockBits(bitmapData1);
//}
//sss.Stop();
//long ms = sss.ElapsedMilliseconds;
}
//-----------------------------------
//style2: copy all, then flip again
//{
// System.GC.Collect();
// System.Diagnostics.Stopwatch sss = new System.Diagnostics.Stopwatch();
// sss.Start();
// for (int i = 0; i < 1000; ++i)
// {
// byte[] rawBuffer = ActualImage.GetBuffer(actualImage);
// var bmpdata = bitmap.LockBits(new System.Drawing.Rectangle(0, 0, bitmap.Width, bitmap.Height),
// System.Drawing.Imaging.ImageLockMode.ReadOnly,
// bitmap.PixelFormat);
// System.Runtime.InteropServices.Marshal.Copy(rawBuffer, 0,
// bmpdata.Scan0, rawBuffer.Length);
// bitmap.UnlockBits(bmpdata);
// bitmap.RotateFlip(RotateFlipType.RotateNoneFlipY);
// }
// sss.Stop();
// long ms = sss.ElapsedMilliseconds;
//}
//-----------------------------------
//-----------------------------------
//style3: copy row by row +
//{
// System.GC.Collect();
// System.Diagnostics.Stopwatch sss = new System.Diagnostics.Stopwatch();
// sss.Start();
// for (int i = 0; i < 1000; ++i)
// {
// int h = bitmap.Height;
// int w = bitmap.Width;
// BitmapData bitmapData1 = bitmap.LockBits(
// new Rectangle(0, 0,
// w,
// h),
// System.Drawing.Imaging.ImageLockMode.ReadWrite,
// bitmap.PixelFormat);
// IntPtr scan0 = bitmapData1.Scan0;
// int stride = bitmapData1.Stride;
// byte[] buffer = ActualImage.GetBuffer(actualImage);
// unsafe
// {
// fixed (byte* bufferH = &buffer[0])
// {
// byte* target = (byte*)scan0;
// for (int y = h; y > 0; --y)
// {
// byte* src = bufferH + ((y - 1) * stride);
// for (int n = stride - 1; n >= 0; --n)
// {
// *target = *src;
// target++;
// src++;
// }
// }
// }
// }
// bitmap.UnlockBits(bitmapData1);
// }
// sss.Stop();
// long ms = sss.ElapsedMilliseconds;
//}
}
public static void CopyFromGdiPlusBitmapSameSize(
Bitmap windowsBitmap,
ActualImage actualImage)
{
int h = windowsBitmap.Height;
int w = windowsBitmap.Width;
byte[] targetBuffer = ActualImage.GetBuffer(actualImage);
BitmapData bitmapData1 = windowsBitmap.LockBits(
new Rectangle(0, 0,
w,
h),
System.Drawing.Imaging.ImageLockMode.ReadWrite,
windowsBitmap.PixelFormat);
IntPtr scan0 = bitmapData1.Scan0;
int stride = bitmapData1.Stride;
//TODO: review here
//use buffer copy
unsafe
{
//target
int startRowAt = ((h - 1) * stride);
byte* src = (byte*)scan0;
for (int y = h; y > 0; --y)
{
// byte* target = targetH + ((y - 1) * stride);
System.Runtime.InteropServices.Marshal.Copy(
(IntPtr)src,//src
targetBuffer, startRowAt, stride);
startRowAt -= stride;
src += stride;
}
//////////////////////////////////////////////////////////////////
//fixed (byte* targetH = &targetBuffer[0])
//{
// byte* src = (byte*)scan0;
// for (int y = h; y > 0; --y)
// {
// byte* target = targetH + ((y - 1) * stride);
// for (int n = stride - 1; n >= 0; --n)
// {
// *target = *src;
// target++;
// src++;
// }
// }
//}
}
windowsBitmap.UnlockBits(bitmapData1);
}
ActualImage GetTransformedBitmapNoInterpolation()
{
var destCB = new ActualImage(rect.Width, rect.Height, PixelFormat.ARGB32);
var destWriter = new MyImageReaderWriter();
destWriter.ReloadImage(destCB);
PointF ptInPlane = new PointF();
int x1, x2, y1, y2;
double dab, dbc, dcd, dda;
float dx1, dx2, dy1, dy2, dx1y1, dx1y2, dx2y1, dx2y2;
int rectWidth = rect.Width;
int rectHeight = rect.Height;
var ab_vec = this.AB;
var bc_vec = this.BC;
var cd_vec = this.CD;
var da_vec = this.DA;
int rectLeft = this.rect.Left;
int rectTop = this.rect.Top;
for (int y = 0; y < rectHeight; ++y)
{
for (int x = 0; x < rectWidth; ++x)
{
PointF srcPt = new PointF(x, y);
srcPt.Offset(rectLeft, rectTop);
if (!IsOnPlaneABCD(srcPt))
{
continue;
}
x1 = (int)ptInPlane.X;
y1 = (int)ptInPlane.Y;
destWriter.SetPixel(x, y, srcCB.GetPixel(x1, y1));
//-------------------------------------
dab = Math.Abs((new Vector(vertex[0], srcPt)).CrossProduct(ab_vec));
dbc = Math.Abs((new Vector(vertex[1], srcPt)).CrossProduct(bc_vec));
dcd = Math.Abs((new Vector(vertex[2], srcPt)).CrossProduct(cd_vec));
dda = Math.Abs((new Vector(vertex[3], srcPt)).CrossProduct(da_vec));
ptInPlane.X = (float)(srcW * (dda / (dda + dbc)));
ptInPlane.Y = (float)(srcH * (dab / (dab + dcd)));
}
}
return destCB;
}
ActualImage GetTransformedBilinearInterpolation()
{
//4 points sampling
//weight between four point
ActualImage destCB = new ActualImage(rect.Width, rect.Height, PixelFormat.ARGB32);
MyImageReaderWriter destWriter = new MyImageReaderWriter();
destWriter.ReloadImage(destCB);
PointF ptInPlane = new PointF();
int x1, x2, y1, y2;
double dab, dbc, dcd, dda;
float dx1, dx2, dy1, dy2, dx1y1, dx1y2, dx2y1, dx2y2;
int rectWidth = rect.Width;
int rectHeight = rect.Height;
var ab_vec = this.AB;
var bc_vec = this.BC;
var cd_vec = this.CD;
var da_vec = this.DA;
int rectLeft = this.rect.Left;
int rectTop = this.rect.Top;
for (int y = 0; y < rectHeight; ++y)
{
for (int x = 0; x < rectWidth; ++x)
{
PointF srcPt = new PointF(x, y);
srcPt.Offset(rectLeft, rectTop);
if (!IsOnPlaneABCD(srcPt))
{
continue;
}
//-------------------------------------
dab = Math.Abs(new Vector(vertex[0], srcPt).CrossProduct(ab_vec));
dbc = Math.Abs(new Vector(vertex[1], srcPt).CrossProduct(bc_vec));
dcd = Math.Abs(new Vector(vertex[2], srcPt).CrossProduct(cd_vec));
dda = Math.Abs(new Vector(vertex[3], srcPt).CrossProduct(da_vec));
ptInPlane.X = (float)(srcW * (dda / (dda + dbc)));
ptInPlane.Y = (float)(srcH * (dab / (dab + dcd)));
x1 = (int)ptInPlane.X;
y1 = (int)ptInPlane.Y;
if (x1 >= 0 && x1 < srcW && y1 >= 0 && y1 < srcH)
{
//bilinear interpolation ***
x2 = (x1 == srcW - 1) ? x1 : x1 + 1;
y2 = (y1 == srcH - 1) ? y1 : y1 + 1;
dx1 = ptInPlane.X - (float)x1;
if (dx1 < 0) dx1 = 0;
dx1 = 1f - dx1;
dx2 = 1f - dx1;
dy1 = ptInPlane.Y - (float)y1;
if (dy1 < 0) dy1 = 0;
dy1 = 1f - dy1;
dy2 = 1f - dy1;
dx1y1 = dx1 * dy1;
dx1y2 = dx1 * dy2;
dx2y1 = dx2 * dy1;
dx2y2 = dx2 * dy2;
//use 4 points
Drawing.Color x1y1Color = srcCB.GetPixel(x1, y1);
Drawing.Color x2y1Color = srcCB.GetPixel(x2, y1);
Drawing.Color x1y2Color = srcCB.GetPixel(x1, y2);
Drawing.Color x2y2Color = srcCB.GetPixel(x2, y2);
float a = (x1y1Color.alpha * dx1y1) + (x2y1Color.alpha * dx2y1) + (x1y2Color.alpha * dx1y2) + (x2y2Color.alpha * dx2y2);
float b = (x1y1Color.blue * dx1y1) + (x2y1Color.blue * dx2y1) + (x1y2Color.blue * dx1y2) + (x2y2Color.blue * dx2y2);
float g = (x1y1Color.green * dx1y1) + (x2y1Color.green * dx2y1) + (x1y2Color.green * dx1y2) + (x2y2Color.green * dx2y2);
float r = (x1y1Color.red * dx1y1) + (x2y1Color.red * dx2y1) + (x1y2Color.red * dx1y2) + (x2y2Color.red * dx2y2);
destWriter.SetPixel(x, y, new Drawing.Color((byte)a, (byte)b, (byte)g, (byte)r));
//destCB.SetColorPixel(x, y, new ColorRGBA((byte)b, (byte)g, (byte)r, (byte)a));
}
}
}
return destCB;
}
ActualImage GetTransformedBicubicInterpolation()
{
//4 points sampling
//weight between four point
PointF ptInPlane = new PointF();
int x1, x2, y1, y2;
double dab, dbc, dcd, dda;
float dx1, dx2, dy1, dy2, dx1y1, dx1y2, dx2y1, dx2y2;
int rectWidth = rect.Width;
int rectHeight = rect.Height;
var ab_vec = this.AB;
var bc_vec = this.BC;
var cd_vec = this.CD;
var da_vec = this.DA;
byte[] buffer = srcCB.GetBuffer();
int stride = srcCB.Stride;
int bmpWidth = srcCB.Width;
int bmpHeight = srcCB.Height;
BufferReader4 reader = new BufferReader4(buffer, stride, bmpWidth, bmpHeight);
MyColor[] pixelBuffer = new MyColor[16];
byte[] sqPixs = new byte[16];
//Bitmap outputbmp = new Bitmap(rectWidth, rectHeight, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
////-----------------------------------------------
//var bmpdata2 = outputbmp.LockBits(new Rectangle(0, 0, rectWidth, rectHeight),
// System.Drawing.Imaging.ImageLockMode.ReadWrite, outputbmp.PixelFormat);
////-----------------------------------------
ActualImage destCB = new ActualImage(rect.Width, rect.Height, PixelFormat.ARGB32);
MyImageReaderWriter destWriter = new MyImageReaderWriter();
destWriter.ReloadImage(destCB);
//PointF ptInPlane = new PointF();
//int stride2 = bmpdata2.Stride;
//byte[] outputBuffer = new byte[stride2 * outputbmp.Height];
// int targetPixelIndex = 0;
// int startLine = 0;
int rectLeft = this.rect.Left;
int rectTop = this.rect.Top;
for (int y = 0; y < rectHeight; ++y)
{
for (int x = 0; x < rectWidth; ++x)
{
PointF srcPt = new PointF(x, y);
srcPt.Offset(rectLeft, rectTop);
if (!IsOnPlaneABCD(srcPt))
{
continue;
}
//-------------------------------------
dab = Math.Abs(new Vector(vertex[0], srcPt).CrossProduct(ab_vec));
dbc = Math.Abs(new Vector(vertex[1], srcPt).CrossProduct(bc_vec));
dcd = Math.Abs(new Vector(vertex[2], srcPt).CrossProduct(cd_vec));
dda = Math.Abs(new Vector(vertex[3], srcPt).CrossProduct(da_vec));
ptInPlane.X = (float)(srcW * (dda / (dda + dbc)));
ptInPlane.Y = (float)(srcH * (dab / (dab + dcd)));
x1 = (int)ptInPlane.X;
y1 = (int)ptInPlane.Y;
if (x1 >= 2 && x1 < srcW - 2 && y1 >= 2 && y1 < srcH - 2)
{
reader.SetStartPixel(x1, y1);
reader.Read16(pixelBuffer);
//do interpolate
//find src pixel and approximate
MyColor color = GetApproximateColor_Bicubic(reader,
ptInPlane.X,
ptInPlane.Y);
//outputBuffer[targetPixelIndex] = (byte)color.b;
//outputBuffer[targetPixelIndex + 1] = (byte)color.g;
//outputBuffer[targetPixelIndex + 2] = (byte)color.r;
//outputBuffer[targetPixelIndex + 3] = (byte)color.a;
//targetPixelIndex += 4;
destWriter.SetPixel(x, y, new Drawing.Color(color.a, color.b, color.g, color.r)); //TODO:review here blue switch to red channel
}
}
//newline
// startLine += stride2;
//targetPixelIndex = startLine;
}
//------------------------
//System.Runtime.InteropServices.Marshal.Copy(
//outputBuffer, 0,
//bmpdata2.Scan0, outputBuffer.Length);
//outputbmp.UnlockBits(bmpdata2);
////outputbmp.Save("d:\\WImageTest\\n_lion_bicubic.png");
//return outputbmp;
return destCB;
}
