public Size MeasureString(string str, float size, SdfFont font)
{
float sz = 1.0f / ((float)font.FontSize / (float)size);
var p = new Size(0, 0);
foreach (var c in str)
{
var chr = font.GetChar(c).Clone();
chr.Width = (int)((float)chr.Width * sz);
chr.Height = (int)((float)chr.Height * sz);
chr.X = (int)((float)chr.X * sz);
chr.Y = (int)((float)chr.Y * sz);
chr.Xadvance = (int)((float)chr.Xadvance * sz);
chr.Xoffset = (int)((float)chr.Xoffset * sz);
chr.Yoffset = (int)((float)chr.Yoffset * sz);
if (chr.Height > p.Height)
{
p.Height = chr.Height;
}
p.Width += chr.Xadvance;
}
return(p);
}
protected override void BeforeRun()
{
Console.Clear();
Screen.SetMode(VbeScreen.ScreenSize.Size800X600, VbeScreen.Bpp.Bpp32);
Screen.Clear(Colors.Blue);
_deltaT = RTC.Second;
var g = new Graphics(Canvas);
g.Clear(Colors.White);
Canvas.WriteToScreen();
terminus = new SdfFont(Terminus.Terminus_fnt,
Image.FromBytes(Terminus.Terminus_ppm, "ppm"));
g.DrawString(10, 10, "ABCDEFGHIJKLMNOPQRSTUVWXYZ", 14f, terminus, Colors.Black);
Canvas.WriteToScreen();
g.DrawString(10, 25, "abcdefghijklmnopqrstuvwxyz", 14f, terminus, Colors.Black);
Canvas.WriteToScreen();
g.DrawString(10, 44, "ABCDEFGHIJKLMNOPQRSTUVWXYZ", 30f, terminus, Colors.Black);
Canvas.WriteToScreen();
g.DrawString(10, 74, "abcdefghijklmnopqrstuvwxyz", 30f, terminus, Colors.Black);
Canvas.WriteToScreen();
}
private void Form1_Paint(object sender, PaintEventArgs e)
{
var canvas = new FormCanvas(Width, Height);
var g = new Graphics(canvas);
g.Clear(Colors.White);
// var img = Image.FromBytes(File.ReadAllBytes("Myvar Logo Solid plain.ppm"), "ppm").ResizeImage(128, 128);
// g.DrawImage(10, 10, img);
var terminus = new SdfFont(File.ReadAllText("Terminus.fnt"),
Image.FromBytes(File.ReadAllBytes("Terminus.ppm"), "ppm"));
// g.DrawString(10, 10, "ABCDEFGHIJKLMNOPQRSTUVWXYZ", 14f, terminus, Colors.Black);
// g.DrawString(10, 25, "abcdefghijklmnopqrstuvwxyz", 14f, terminus, Colors.Black);
// g.DrawString(10, 44, "ABCDEFGHIJKLMNOPQRSTUVWXYZ", 30f, terminus, Colors.Black);
// g.DrawString(10, 74, "abcdefghijklmnopqrstuvwxyz", 30f, terminus, Colors.Black);
int x = 10;
int y = 10;
var s = "Hi";
e.Graphics.Clear(System.Drawing.Color.White);
for (int i = 1; i < 158; i++)
{
g.DrawString(x, y, s, i, terminus, Colors.Black);
var size = g.MeasureString(s, i, terminus);
y += size.Height + 2;
if (y + 50 > Height)
{
y = 10;
x += size.Width;
}
e.Graphics.DrawImageUnscaled(canvas.Bitmap, 0, 0);
e.Graphics.Flush();
Update();
}
//g.DrawString(10, 100, "Hello World", 10f, terminus, Colors.Black);
e.Graphics.Clear(System.Drawing.Color.White);
e.Graphics.DrawImageUnscaled(canvas.Bitmap, 0, 0);
}
public void DrawString(int x, int y, string str, float size, SdfFont font, Color txtcolor)
{
float width = 0.5f;
float edge = 0.2f;
float borderWidth = 0.0f;
float borderEdge = 0.05f;
// ScaleTransform(sz, sz);
var atlas = font.AtlasImage;
float sz = 1.0f / ((float)font.FontSize / (float)size);
// if (size != font.FontSize)
{
atlas = atlas.ResizeImage((int)((float)atlas.Width * sz), (int)((float)atlas.Height * sz));
}
foreach (var c in str)
{
var chr = font.GetChar(c).Clone();
chr.Width = (int)((float)chr.Width * sz);
chr.Height = (int)((float)chr.Height * sz);
chr.X = (int)((float)chr.X * sz);
chr.Y = (int)((float)chr.Y * sz);
chr.Xadvance = (int)((float)chr.Xadvance * sz);
chr.Xoffset = (int)((float)chr.Xoffset * sz);
chr.Yoffset = (int)((float)chr.Yoffset * sz);
for (int x1 = chr.X; x1 < chr.X + chr.Width; x1++)
{
for (int y1 = chr.Y; y1 < chr.Y + chr.Height; y1++)
{
float distance = 1.0f - (atlas.GetPixel(x1, y1).R / 255f);
float alpha = 1.0f - Smoothstep(width, width + edge, distance);
float distance2 = 1.0f - (atlas.GetPixel(x1, y1).R / 255f);
float outlinealpha = 1.0f - Smoothstep(borderWidth, borderWidth + borderEdge, distance2);
float overallAlpha = alpha + (1.0f - alpha) * outlinealpha;
var color = txtcolor;
if (overallAlpha != 1.0f)
{
var gpx = _canvas.GetPixel(x + x1 - chr.X + chr.Xoffset, y + y1 - chr.Y + chr.Yoffset);
color = Blend(txtcolor, gpx, overallAlpha);
}
color.A = 255;
SetPixel(Offset.X + x + x1 - chr.X + chr.Xoffset, Offset.Y + y + y1 - chr.Y + chr.Yoffset,
color);
}
}
x += chr.Xadvance;
}
}
