public static bool Fill(Graphics gr, Rectangle dstrc, Rectangle srcrc, GradientColor gradientColor)
{
Color startColor = gradientColor.StartColor;
Color endColor = gradientColor.EndColor;
if (gradientColor.FillDirection == FillDirection.Horizontal)
{
if ((dstrc.X != srcrc.X) || (dstrc.Width != srcrc.Width))
{
float num = ((float)(dstrc.Left - srcrc.X)) / ((float)srcrc.Width);
float num2 = ((float)(dstrc.Right - srcrc.X)) / ((float)srcrc.Width);
int num3 = endColor.R - startColor.R;
int num4 = endColor.G - startColor.G;
int num5 = endColor.B - startColor.B;
startColor = Color.FromArgb((byte)(gradientColor.StartColor.R + (num3 * num)), (byte)(gradientColor.StartColor.G + (num4 * num)), (byte)(gradientColor.StartColor.B + (num5 * num)));
endColor = Color.FromArgb((byte)(gradientColor.StartColor.R + (num3 * num2)), (byte)(gradientColor.StartColor.G + (num4 * num2)), (byte)(gradientColor.StartColor.B + (num5 * num2)));
}
}
else if ((dstrc.Y != srcrc.Y) || (dstrc.Height != srcrc.Height))
{
float num6 = ((float)(dstrc.Top - srcrc.Y)) / ((float)srcrc.Height);
float num7 = ((float)(dstrc.Bottom - srcrc.Y)) / ((float)srcrc.Height);
int num8 = endColor.R - startColor.R;
int num9 = endColor.G - startColor.G;
int num10 = endColor.B - startColor.B;
startColor = Color.FromArgb((byte)(gradientColor.StartColor.R + (num8 * num6)), (byte)(gradientColor.StartColor.G + (num9 * num6)), (byte)(gradientColor.StartColor.B + (num10 * num6)));
endColor = Color.FromArgb((byte)(gradientColor.StartColor.R + (num8 * num7)), (byte)(gradientColor.StartColor.G + (num9 * num7)), (byte)(gradientColor.StartColor.B + (num10 * num7)));
}
if (Environment.OSVersion.Platform != PlatformID.WinCE)
{
return(FillManaged(gr, dstrc, startColor, endColor, gradientColor.FillDirection));
}
Win32Helper.TRIVERTEX[] pVertex = new Win32Helper.TRIVERTEX[] { new Win32Helper.TRIVERTEX(dstrc.X, dstrc.Y, startColor), new Win32Helper.TRIVERTEX(dstrc.Right, dstrc.Bottom, endColor) };
Win32Helper.GRADIENT_RECT[] pMesh = new Win32Helper.GRADIENT_RECT[] { new Win32Helper.GRADIENT_RECT(0, 1) };
IntPtr hdc = gr.GetHdc();
bool flag = false;
try
{
flag = Win32Helper.GradientFill(hdc, pVertex, (uint)pVertex.Length, pMesh, (uint)pMesh.Length, (uint)gradientColor.FillDirection);
gr.ReleaseHdc(hdc);
}
catch (Exception)
{
gr.ReleaseHdc(hdc);
flag = FillManaged(gr, dstrc, startColor, endColor, gradientColor.FillDirection);
}
return(flag);
}
public static bool Fill(Graphics gr, Rectangle dstrc, Rectangle srcrc, GradientColor gradientColor)
{
Color startColor = gradientColor.StartColor;
Color endColor = gradientColor.EndColor;
if (gradientColor.FillDirection == FillDirection.Horizontal)
{
if ((dstrc.X != srcrc.X) || (dstrc.Width != srcrc.Width))
{
float num = ((float) (dstrc.Left - srcrc.X)) / ((float) srcrc.Width);
float num2 = ((float) (dstrc.Right - srcrc.X)) / ((float) srcrc.Width);
int num3 = endColor.R - startColor.R;
int num4 = endColor.G - startColor.G;
int num5 = endColor.B - startColor.B;
startColor = Color.FromArgb((byte) (gradientColor.StartColor.R + (num3 * num)), (byte) (gradientColor.StartColor.G + (num4 * num)), (byte) (gradientColor.StartColor.B + (num5 * num)));
endColor = Color.FromArgb((byte) (gradientColor.StartColor.R + (num3 * num2)), (byte) (gradientColor.StartColor.G + (num4 * num2)), (byte) (gradientColor.StartColor.B + (num5 * num2)));
}
}
else if ((dstrc.Y != srcrc.Y) || (dstrc.Height != srcrc.Height))
{
float num6 = ((float) (dstrc.Top - srcrc.Y)) / ((float) srcrc.Height);
float num7 = ((float) (dstrc.Bottom - srcrc.Y)) / ((float) srcrc.Height);
int num8 = endColor.R - startColor.R;
int num9 = endColor.G - startColor.G;
int num10 = endColor.B - startColor.B;
startColor = Color.FromArgb((byte) (gradientColor.StartColor.R + (num8 * num6)), (byte) (gradientColor.StartColor.G + (num9 * num6)), (byte) (gradientColor.StartColor.B + (num10 * num6)));
endColor = Color.FromArgb((byte) (gradientColor.StartColor.R + (num8 * num7)), (byte) (gradientColor.StartColor.G + (num9 * num7)), (byte) (gradientColor.StartColor.B + (num10 * num7)));
}
if (Environment.OSVersion.Platform != PlatformID.WinCE)
{
return FillManaged(gr, dstrc, startColor, endColor, gradientColor.FillDirection);
}
Win32Helper.TRIVERTEX[] pVertex = new Win32Helper.TRIVERTEX[] { new Win32Helper.TRIVERTEX(dstrc.X, dstrc.Y, startColor), new Win32Helper.TRIVERTEX(dstrc.Right, dstrc.Bottom, endColor) };
Win32Helper.GRADIENT_RECT[] pMesh = new Win32Helper.GRADIENT_RECT[] { new Win32Helper.GRADIENT_RECT(0, 1) };
IntPtr hdc = gr.GetHdc();
bool flag = false;
try
{
flag = Win32Helper.GradientFill(hdc, pVertex, (uint) pVertex.Length, pMesh, (uint) pMesh.Length, (uint) gradientColor.FillDirection);
gr.ReleaseHdc(hdc);
}
catch (Exception)
{
gr.ReleaseHdc(hdc);
flag = FillManaged(gr, dstrc, startColor, endColor, gradientColor.FillDirection);
}
return flag;
}