private void bannerSaveFileDialog_FileOk(object sender, CancelEventArgs e)
{
byte[] fntData = findFile(fontTextBox.Text);
if (fntData == null)
{
MessageBox.Show(this, "Cannot find the given font", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
string text = textTextBox.Text;
LibDescent.Data.Font font = MainForm.LoadFont(new MemoryStream(fntData));
FNTRenderer frend = new FNTRenderer(font);
Bitmap result;
if (testing)
{
int cw = Math.Max(8, font.GetCharWidth('\0')) * 2;
result = new Bitmap(cw * 16, (font.Height + 3) * 16);
Graphics gdi = Graphics.FromImage(result);
int x = 0, lx, ly, lw;
Pen pen = new Pen(Color.Red);
for (int c = 0; c < 256; ++c)
{
lx = (c % 16) * cw;
ly = (font.Height + 3) * (c / 16);
x = lx;
frend.Reset();
frend.DrawCharacterRaw(result, (char)c, Color.Green, ref x, ly);
x = lx;
ly += font.Height;
lw = font.GetCharWidth((char)c);
gdi.DrawLine(pen, lx, ly, lx + lw, ly);
}
}
else
{
result = new Bitmap(font.MeasureWidth(text), font.Height);
int x = 0;
foreach (char c in text)
{
frend.DrawCharacterRaw(result, c, Color.Green, ref x, 0);
}
}
result.Save(bannerSaveFileDialog.FileName);
}
public virtual void DrawCharacterRaw(Bitmap b, char c, Color clr, ref int x, int y)
{
int thisWidth = font.GetCharWidth(c);
if (font.GetCharacterOffset(c, out int offset, out int size))
{
//byte[] charData = font.fontData[c - minchar];
if (x < -thisWidth || x > b.Width || y < -this.font.Height || y > b.Height)
{
return;
}
bufferGraphics.Clear(Color.Transparent);
BitmapData data = buffer.LockBits(bufferRect, System.Drawing.Imaging.ImageLockMode.ReadWrite, buffer.PixelFormat);
byte cr = clr.R;
byte cg = clr.G;
byte cb = clr.B;
int cptr = offset;
IntPtr ptr = data.Scan0;
int bytes = data.Stride * data.Height;
byte[] rgbValues = new byte[bytes];
System.Runtime.InteropServices.Marshal.Copy(ptr, rgbValues, 0, bytes);
for (int yo = 0; yo < font.Height; ++yo)
{
int p = yo * data.Stride;
if ((font.Flags & LibDescent.Data.Font.FT_COLOR) != 0)
{
for (int xo = 0; xo < thisWidth; ++xo)
{
byte color = font.FontData[cptr++];
if (color < 255)
{
rgbValues[p + xo * 4] = (byte)(font.Palette[color * 3 + 2] << 2);
rgbValues[p + xo * 4 + 1] = (byte)(font.Palette[color * 3 + 1] << 2);
rgbValues[p + xo * 4 + 2] = (byte)(font.Palette[color * 3] << 2);
rgbValues[p + xo * 4 + 3] = 255;
}
}
}
else
{
for (int xo = 0; xo < thisWidth; xo += 8)
{
byte sliver = font.FontData[cptr++];
for (int xs = 0; xs < 8; ++xs)
{
if (xo + xs >= thisWidth)
{
break;
}
if ((sliver & 0x80) != 0)
{
rgbValues[p + (xo + xs) * 4] = cb;
rgbValues[p + (xo + xs) * 4 + 1] = cg;
rgbValues[p + (xo + xs) * 4 + 2] = cr;
rgbValues[p + (xo + xs) * 4 + 3] = 255;
}
sliver <<= 1;
}
}
}
}
System.Runtime.InteropServices.Marshal.Copy(rgbValues, 0, ptr, bytes);
buffer.UnlockBits(data);
// blit
Graphics.FromImage(b).DrawImage(buffer, x, y);
}
x += thisWidth;
x += font.GetKernOffset(c, prevChar);
prevChar = c;
}