public override void Load()
{
//draw 1
FormTestWinGLControl form = new FormTestWinGLControl();
CanvasGL2d canvas = new CanvasGL2d(this.Width, this.Height);
GLBitmap hwBmp = null;
form.SetGLPaintHandler((o, s) =>
{
canvas.Clear(PixelFarm.Drawing.Color.White);
canvas.StrokeColor = PixelFarm.Drawing.Color.DeepPink;
canvas.DrawLine(0, 300, 500, 300);
//if (hwBmp == null)
//{
// string app = Application.ExecutablePath;
// hwBmp = GLBitmapTextureHelper.CreateBitmapTexture(new Bitmap("../../../Data/Textures/logo-dark.jpg"));
//}
////canvas.DrawImage(hwBmp, 10, 10);
//canvas.DrawImage(hwBmp, 300, 300, hwBmp.Width / 4, hwBmp.Height / 4);
//-----------------------------------------------------
canvas.StrokeColor = PixelFarm.Drawing.Color.Magenta;
//draw line test
canvas.DrawLine(20, 20, 600, 200);
//-----------------------------------------------------
var color = new PixelFarm.Drawing.Color(50, 255, 0, 0); // PixelFarm.Drawing.Color.Red;
//rect polygon
var polygonCoords = new float[] {
5, 300,
40, 300,
50, 340,
10f, 340
};
canvas.DrawPolygon(polygonCoords, 4);
//fill polygon test
canvas.FillPolygon(color, polygonCoords);
var polygonCoords2 = new float[] {
5 + 10, 300,
40 + 10, 300,
50 + 10, 340,
10f + 10, 340
};
canvas.SmoothMode = CanvasSmoothMode.AggSmooth;
canvas.StrokeColor = new PixelFarm.Drawing.Color(100, 0, 255, 0); // L
canvas.DrawPolygon(polygonCoords2, 4);
int strkW = 10;
canvas.StrokeColor = PixelFarm.Drawing.Color.LightGray;
for (int i = 1; i < 90; i += 10)
{
canvas.StrokeWidth = strkW;
double angle = OpenTK.MathHelper.DegreesToRadians(i);
canvas.DrawLine(20, 400, (float)(600 * Math.Cos(angle)), (float)(600 * Math.Sin(angle)));
strkW--;
if (strkW < 1)
{
strkW = 1;
}
}
canvas.StrokeColor = PixelFarm.Drawing.Color.FromArgb(150, PixelFarm.Drawing.Color.Green);
//////---------------------------------------------
//////draw ellipse and circle
canvas.StrokeWidth = 0.75f;
canvas.DrawCircle(400, 500, 50);
canvas.FillCircle(PixelFarm.Drawing.Color.FromArgb(150, PixelFarm.Drawing.Color.Green), 450, 550, 25);
canvas.StrokeWidth = 3;
canvas.DrawRoundRect(500, 450, 100, 100, 10, 10);
canvas.StrokeWidth = 3;
canvas.StrokeColor = PixelFarm.Drawing.Color.FromArgb(150, PixelFarm.Drawing.Color.Blue);
//canvas.DrawBezierCurve(0, 0, 500, 500, 0, 250, 500, 250);
canvas.DrawBezierCurve(120, 500 - 160, 220, 500 - 40, 35, 500 - 200, 220, 500 - 260);
canvas.SmoothMode = CanvasSmoothMode.No;
//canvas.DrawArc(150, 200, 300, 50, 0, 150, 150, SvgArcSize.Large, SvgArcSweep.Negative);
canvas.DrawArc(100, 200, 300, 200, 30, 30, 50, SvgArcSize.Large, SvgArcSweep.Negative);
canvas.StrokeColor = PixelFarm.Drawing.Color.FromArgb(150, PixelFarm.Drawing.Color.Green);
// canvas.DrawArc(100, 200, 300, 200, 0, 100, 100, SvgArcSize.Large, SvgArcSweep.Negative);
canvas.StrokeColor = PixelFarm.Drawing.Color.FromArgb(150, PixelFarm.Drawing.Color.Black);
canvas.DrawLine(100, 200, 300, 200);
//////load font data
////var font = PixelFarm.Agg.Fonts.NativeFontStore.LoadFont("c:\\Windows\\Fonts\\Tahoma.ttf", 64);
////var fontGlyph = font.GetGlyph('{');
//////PixelFarm.Font2.MyFonts.SetShapingEngine();
////canvas.FillVxs(PixelFarm.Drawing.Color.FromArgb(150, PixelFarm.Drawing.Color.Black), fontGlyph.flattenVxs);
////canvas.StrokeColor = PixelFarm.Drawing.Color.White;
////canvas.CurrentFont = font;
////canvas.StrokeColor = PixelFarm.Drawing.Color.Black;
////canvas.DrawLine(0, 200, 500, 200);
//////test Thai words
////canvas.DrawString("ดุดีดำด่าด่ำญญู", 80, 200);
////canvas.DrawString("1234567890", 80, 200);
////GLBitmap bmp = new GLBitmap(new LazyAggBitmapBufferProvider(fontGlyph.glyphImage32));
////canvas.DrawImage(bmp, 50, 50);
////bmp.Dispose();
});
form.Show();
}
protected override void OnSetVarsBeforeRenderer()
{
PixelFarm.Drawing.Color fgColor = ForegroundColor;
_fgColor.SetValue((float)fgColor.R / 255f, (float)fgColor.G / 255f, (float)fgColor.B / 255f, (float)fgColor.A / 255f);
}
/// <summary>
/// Converts a System.Drawing.Color to a System.Int32.
/// </summary>
/// <param name="c">The System.Drawing.Color to convert.</param>
/// <returns>A System.Int32 containing the R, G, B, A values of the
/// given System.Drawing.Color in the Rbga32 format.</returns>
public static int ColorToRgba32(PixelFarm.Drawing.Color c)
{
return((int)((c.A << 24) | (c.B << 16) | (c.G << 8) | c.R));
}
public override void ClearSurface(PixelFarm.Drawing.Color c)
{
painter1.Clear(c);
}
//----------------------------------------------------------------------------
public static void CalculateLinearGradientVxs2(
float x1, float y1,
float x2, float y2,
PixelFarm.Drawing.Color c1,
PixelFarm.Drawing.Color c2,
out float[] v2f,
out float[] colors)
{
//1. gradient distance
float dx = x2 - x1;
float dy = y2 - y1;
float distance = (float)Math.Pow(dx * dx + dy * dy, 0.5f);
//find angle
double angleRad = Math.Atan2(dy, dx);
if (dx < 0)
{
//swap
float tmpx = x2;
x2 = x1;
x1 = tmpx;
float tmpy = y2;
y2 = y1;
y1 = tmpy;
PixelFarm.Drawing.Color tmpc = c2;
c2 = c1;
c1 = tmpc;
}
ArrayList <VertexC4V3f> vrx = new ArrayList <VertexC4V3f>();
//left solid rect pane
AddRect(vrx,
c1.ToABGR(), c1.ToABGR(),
-600, -800,
x1 + 600, 1800);
//color gradient pane
AddRect(vrx,
c1.ToABGR(), c2.ToABGR(),
x1, -800,
distance, 1800);
//right solid pane
if (1200 - (x1 + distance) > 0)
{
AddRect(vrx,
c2.ToABGR(), c2.ToABGR(),
(x1 + distance), -800,
1200 - (x1 + distance), 1800);
}
//----------------------------------------------
//translate vertex around x1,y1
PixelFarm.Agg.Transform.AffinePlan[] affPlans =
new PixelFarm.Agg.Transform.AffinePlan[] {
PixelFarm.Agg.Transform.AffinePlan.Translate(-x1, -y1),
PixelFarm.Agg.Transform.AffinePlan.Rotate(angleRad),
PixelFarm.Agg.Transform.AffinePlan.Translate(x1, y1)
};
var txMatrix = PixelFarm.Agg.Transform.Affine.NewMatix(affPlans);
int j = vrx.Count;
List <float> v2fList = new List <float>();
List <float> colorList = new List <float>();
for (int i = 0; i < j; ++i)
{
VertexC4V3f v = vrx[i];
double v_x = v.x;
double v_y = v.y;
txMatrix.Transform(ref v_x, ref v_y);
//vrx[i] = new VertexC4V3f(v.color, (float)v_x, (float)v_y);
v2fList.Add((float)v_x);
v2fList.Add((float)v_y);
var color = v.color;
//a,b,g,r
colorList.Add((color & 0xff) / 255f); //r
colorList.Add(((color >> 8) & 0xff) / 255f); //g
colorList.Add(((color >> 16) & 0xff) / 255f); //b
colorList.Add(((color >> 24) & 0xff) / 255f); //a
}
v2f = v2fList.ToArray();
colors = colorList.ToArray();
}
public static int ColorToWin32(PixelFarm.Drawing.Color c)
{
return((c.R | (c.G << 8)) | (c.B << 0x10));
}
public static ArrayList <VertexC4V3f> CalculateLinearGradientVxs(
float x1, float y1,
float x2, float y2,
PixelFarm.Drawing.Color c1,
PixelFarm.Drawing.Color c2)
{
//1. gradient distance
float dx = x2 - x1;
float dy = y2 - y1;
float distance = (float)Math.Pow(dx * dx + dy * dy, 0.5f);
//find angle
double angleRad = Math.Atan2(dy, dx);
if (dx < 0)
{
//swap
float tmpx = x2;
x2 = x1;
x1 = tmpx;
float tmpy = y2;
y2 = y1;
y1 = tmpy;
PixelFarm.Drawing.Color tmpc = c2;
c2 = c1;
c1 = tmpc;
}
ArrayList <VertexC4V3f> vrx = new ArrayList <VertexC4V3f>();
//left solid rect pane
AddRect(vrx,
c1.ToABGR(), c1.ToABGR(),
-600, -800,
x1 + 600, 1800);
//color gradient pane
AddRect(vrx,
c1.ToABGR(), c2.ToABGR(),
x1, -800,
distance, 1800);
//right solid pane
if (1200 - (x1 + distance) > 0)
{
AddRect(vrx,
c2.ToABGR(), c2.ToABGR(),
(x1 + distance), -800,
1200 - (x1 + distance), 1800);
}
//----------------------------------------------
//translate vertex around x1,y1
PixelFarm.Agg.Transform.AffinePlan[] affPlans =
new PixelFarm.Agg.Transform.AffinePlan[] {
PixelFarm.Agg.Transform.AffinePlan.Translate(-x1, -y1),
PixelFarm.Agg.Transform.AffinePlan.Rotate(angleRad),
PixelFarm.Agg.Transform.AffinePlan.Translate(x1, y1)
};
var txMatrix = PixelFarm.Agg.Transform.Affine.NewMatix(affPlans);
int j = vrx.Count;
for (int i = j - 1; i >= 0; --i)
{
VertexC4V3f v = vrx[i];
double v_x = v.x;
double v_y = v.y;
txMatrix.Transform(ref v_x, ref v_y);
vrx[i] = new VertexC4V3f(v.color, (float)v_x, (float)v_y);
}
return(vrx);
}
public void DrawMarker(float x, float y, PixelFarm.Drawing.Color color, float sizeInPx = 8)
{
painter.FillRect(x, y, sizeInPx, sizeInPx, color);
}
//ActualBitmap GetTransformedBilinearInterpolation()
//{
// //4 points sampling
// //weight between four point
// ActualBitmap destCB = new ActualBitmap(rect.Width, rect.Height);
// MyBitmapBlender destWriter = new MyBitmapBlender(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;
// Vector ab_vec = this.AB;
// Vector bc_vec = this.BC;
// Vector cd_vec = this.CD;
// Vector 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(MyVectorHelper.NewFromTwoPoints(_p0, srcPt).CrossProduct(ab_vec));
// dbc = Math.Abs(MyVectorHelper.NewFromTwoPoints(_p1, srcPt).CrossProduct(bc_vec));
// dcd = Math.Abs(MyVectorHelper.NewFromTwoPoints(_p2, srcPt).CrossProduct(cd_vec));
// dda = Math.Abs(MyVectorHelper.NewFromTwoPoints(_p3, 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 - x1;
// if (dx1 < 0) dx1 = 0;
// dx1 = 1f - dx1;
// dx2 = 1f - dx1;
// dy1 = ptInPlane.Y - 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));
// }
// }
// }
// return destCB;
//}
unsafe ActualBitmap 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 destRectWidth = _destBounds.Width;
int dectRectHeight = _destBounds.Height;
Vector ab_vec = this.AB;
Vector bc_vec = this.BC;
Vector cd_vec = this.CD;
Vector da_vec = this.DA;
TempMemPtr bufferPtr = _srcBmp.GetBufferPtr();
BufferReader4 reader = new BufferReader4((int *)bufferPtr.Ptr, _srcBmp.Width, _srcBmp.Height);
ActualBitmap destCB = new ActualBitmap(_destBounds.Width, _destBounds.Height);
MyBitmapBlender destWriter = new MyBitmapBlender(destCB);
int rectLeft = this._destBounds.Left;
int rectTop = this._destBounds.Top;
//***
PixelFarm.Drawing.Color[] colors = new PixelFarm.Drawing.Color[16];
int srcW_lim = srcW - 2;
int srcH_lim = srcH - 2;
for (int y = 0; y < dectRectHeight; ++y)
{
for (int x = 0; x < destRectWidth; ++x)
{
PointF srcPt = new PointF(x, y);
srcPt.Offset(rectLeft, 0);
if (!IsOnPlaneABCD(srcPt))
{
continue;
}
//-------------------------------------
dab = Math.Abs(MyVectorHelper.NewFromTwoPoints(_p0, srcPt).CrossProduct(ab_vec));
dbc = Math.Abs(MyVectorHelper.NewFromTwoPoints(_p1, srcPt).CrossProduct(bc_vec));
dcd = Math.Abs(MyVectorHelper.NewFromTwoPoints(_p2, srcPt).CrossProduct(cd_vec));
dda = Math.Abs(MyVectorHelper.NewFromTwoPoints(_p3, 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_lim &&
y1 >= 2 && y1 < srcH_lim)
{
reader.SetStartPixel(x1, y1);
//reader.Read16(pixelBuffer);
//do interpolate
//find src pixel and approximate
destWriter.SetPixel(x, y,
GetApproximateColor_Bicubic(reader,
colors,
ptInPlane.X,
ptInPlane.Y)); //TODO:review here blue switch to red channel
}
}
//newline
// startLine += stride2;
//targetPixelIndex = startLine;
}
bufferPtr.Release();
//------------------------
//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);
}
protected override void OnGLRender(object sender, EventArgs args)
{
_pcx.SmoothMode = SmoothMode.Smooth;
_pcx.StrokeColor = PixelFarm.Drawing.Color.Blue;
_pcx.ClearColorBuffer();
_pcx.Clear(PixelFarm.Drawing.Color.White);
#if DEBUG
//test only
GLBitmapGlyphTextPrinter.s_dbugDrawTechnique = DrawTextTechnique;
GLBitmapGlyphTextPrinter.s_dbugUseVBO = UseVbo;
GLBitmapGlyphTextPrinter.s_dbugShowGlyphTexture = ShowGlyphTexture;
GLBitmapGlyphTextPrinter.s_dbugShowMarkers = ShowMarkers;
#endif
//-------------------------------
PixelFarm.Drawing.Color fillColor = PixelFarm.Drawing.Color.Black;
switch (DrawTextColor)
{
case T110_DrawTextColor.Blue:
fillColor = PixelFarm.Drawing.Color.Blue;
break;
case T110_DrawTextColor.Green:
fillColor = PixelFarm.Drawing.Color.Green;
break;
case T110_DrawTextColor.Magenta:
fillColor = PixelFarm.Drawing.Color.Magenta;
break;
case T110_DrawTextColor.Red:
fillColor = PixelFarm.Drawing.Color.Red;
break;
case T110_DrawTextColor.Yellow:
fillColor = PixelFarm.Drawing.Color.Yellow;
break;
}
int line_top = 500;
_painter.FontFillColor = fillColor;
_painter.DrawString("aftjypqkx", 0, line_top);
//
line_top = 550;
_painter.DrawString("1234567890 ABCD", 0, line_top);
//-------------------------------
line_top = 570;
if (!string.IsNullOrEmpty(UserText))
{
_painter.DrawString(UserText, 0, line_top);
}
SwapBuffers();
}
static SKColor ConvToSkColor(PixelFarm.Drawing.Color c)
{
return(new SKColor(c.R, c.G, c.B, c.A));
}
