private void button1_Click(object sender, EventArgs e)
{
//msdfgen: see more https://github.com/Chlumsky/msdfgen
//sdf – generates a conventional monochrome signed distance field.
//psdf – generates a monochrome signed pseudo - distance field.
//msdf(default) – generates a multi - channel signed distance field using my new method.
//char[] fontChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".ToCharArray();
char[] fontChars = new char[] { (char)'X' };
int j = fontChars.Length;
for (int i = 0; i < j; ++i)
{
char c = fontChars[i];
//msdf
//string args = @"msdfgen msdf -font C:\Windows\Fonts\tahoma.ttf 'A' -o msdf.png -size 32 32 -pxrange 4 -autoframe -testrender render_msdf.png 1024 1024";
//MsdfParameters pars = new MsdfParameters(@"C:\Windows\Fonts\tahoma.ttf", c);
MsdfParameters pars = new MsdfParameters(@"d:\\WImageTest\\shardailes.ttf", c);
pars.enableRenderTestFile = false;
string[] splitStr = pars.GetArgs();
MyFtLib.MyFtMSDFGEN(splitStr.Length, splitStr);
}
//for (int i = 0; i < j; ++i)
//{
// char c = fontChars[i];
// MsdfParameters pars = new MsdfParameters(@"C:\Windows\Fonts\tahoma.ttf", c);
// pars.enableRenderTestFile = false;
// pars.useClassicSdf = true;
// string[] splitStr = pars.GetArgs();
// MyFtLib.MyFtMSDFGEN(splitStr.Length, pars.GetArgs());
//}
}
private void button2_Click(object sender, EventArgs e)
{
int version = MyFtLib.MyFtLibGetVersion();
IntPtr shape = MyFtLib.CreateShape();
IntPtr cnt = MyFtLib.ShapeAddBlankContour(shape);
//MyFtLib.ContourAddLinearSegment(cnt, 10, 10, 25, 25);
//MyFtLib.ContourAddLinearSegment(cnt, 25, 25, 15, 10);
//MyFtLib.ContourAddLinearSegment(cnt, 15, 10, 10, 10);
MyFtLib.ContourAddLinearSegment(cnt, 3.84f, 0, 1.64f, 0);
MyFtLib.ContourAddLinearSegment(cnt, 1.64f, 0, 1.64f, 18.23f);
MyFtLib.ContourAddLinearSegment(cnt, 1.64f, 18.23f, 3.84f, 18.23f);
MyFtLib.ContourAddLinearSegment(cnt, 3.84f, 18.23f, 3.84f, 0);
double s_left, s_bottom, s_right, s_top;
MyFtLib.ShapeFindBounds(shape, out s_left, out s_bottom, out s_right, out s_top);
//then create msdf texture
if (!MyFtLib.ShapeValidate(shape))
{
throw new NotSupportedException();
}
MyFtLib.ShapeNormalize(shape);
unsafe
{
int w = 32, h = 32;
int[] output = new int[w * h];
fixed(int *output_h = &output[0])
{
MyFtLib.MyFtGenerateMsdf(shape, w, h, 2, 1, 1, 1, -1, 3, output_h);
}
//save to bmp
using (Bitmap bmp = new Bitmap(w, h, System.Drawing.Imaging.PixelFormat.Format32bppArgb))
{
var bmpdata = bmp.LockBits(new System.Drawing.Rectangle(0, 0, w, h), System.Drawing.Imaging.ImageLockMode.ReadWrite, bmp.PixelFormat);
System.Runtime.InteropServices.Marshal.Copy(output, 0, bmpdata.Scan0, output.Length);
bmp.UnlockBits(bmpdata);
bmp.Save("d:\\WImageTest\\a001_x1.png");
}
}
MyFtLib.DeleteUnmanagedObj(shape);
}
internal unsafe static GlyphImage BuildMsdfFontImage()
{
IntPtr shape = MyFtLib.CreateShape();
IntPtr cnt = MyFtLib.ShapeAddBlankContour(shape);
//MyFtLib.ContourAddLinearSegment(cnt, 10, 10, 25, 25);
//MyFtLib.ContourAddLinearSegment(cnt, 25, 25, 15, 10);
//MyFtLib.ContourAddLinearSegment(cnt, 15, 10, 10, 10);
//
MyFtLib.ContourAddLinearSegment(cnt, 10, 10, 25, 25);
MyFtLib.ContourAddQuadraticSegment(cnt, 25, 25, 15, 30, 10, 15);
MyFtLib.ContourAddLinearSegment(cnt, 10, 15, 10, 10);
double s_left, s_bottom, s_right, s_top;
MyFtLib.ShapeFindBounds(shape, out s_left, out s_bottom, out s_right, out s_top);
var glyphBounds = new PixelFarm.Drawing.RectangleF((float)s_left, (float)s_top, (float)(s_right - s_left), (float)(s_top - s_bottom));
//then create msdf texture
if (!MyFtLib.ShapeValidate(shape))
{
throw new NotSupportedException();
}
MyFtLib.ShapeNormalize(shape);
int borderXY = 0;
int w = (int)Math.Ceiling(glyphBounds.Width) + (borderXY + borderXY);
int h = (int)(Math.Ceiling(glyphBounds.Height)) + (borderXY + borderXY);
if (w == 0)
{
w = 5;
h = 5;
}
int[] outputBuffer = new int[w * h];
GlyphImage glyphImage = new GlyphImage(w, h);
glyphImage.BorderXY = borderXY;
glyphImage.OriginalGlyphBounds = Typography.Contours.RectangleF.FromLTRB(
glyphBounds.Left,
glyphBounds.Top,
glyphBounds.Right,
glyphBounds.Bottom);
unsafe
{
fixed(int *output_header = &outputBuffer[0])
{
float dx = 0;
float dy = 0;
if (s_left < 0)
{
//make it positive
dx = (float)-s_left;
}
else if (s_left > 0)
{
}
if (s_bottom < 0)
{
//make it positive
dy = (float)-s_bottom;
}
else if (s_bottom > 0)
{
}
//this glyph image has border (for msdf to render correctly)
MyFtLib.MyFtGenerateMsdf(shape, w, h, 4, 1, dx + borderXY, dy + borderXY, -1, 3, output_header);
MyFtLib.DeleteUnmanagedObj(shape);
}
glyphImage.SetImageBuffer(outputBuffer, true);
}
return(glyphImage);
}
