protected override void DrawString(float x, float y, float w, string text, System.Drawing.Size backbufferSize, Color4 color)
{
// Fonts look best when they are drawn on integer positions (so they don't have to be interpolated over multiple pixels)
float linestart = x = (float)(int)x;
y = (float)(int)y;
// Bind texture and save the size of a pixel in the texture's coordinate system
fontshader.Bind();
GL.Uniform4(fontshader_coloruniform, color);
Common.meshQuad.Bind(fontshader, texture);
/*if(sdr.InvTexSizeUniform)
* gl.uniform2f(sdr.InvTexSizeUniform, 1.0 / texture.image.width, 1.0 / texture.image.height);*/
for (int i = 0; i < text.Length; ++i)
{
char chr = text[i];
if (chr == '\n')
{
x = linestart;
y += (float)lineHeight;
}
if (!char.IsControl(chr))
{
Vector2 charsize = new Vector2((float)charBounds[(int)chr].Width, (float)charBounds[(int)chr].Height);
// Transform texture quad texture coordinates to select the letter
Matrix3 texcoordtrans = Matrix3.Identity;
texcoordtrans *= GLTextFont.Matrix3_CreateScale(charsize.X / texture.width, (charsize.Y - 2.0f) / texture.height);
texcoordtrans *= GLTextFont.Matrix3_CreateTranslation(((float)charBounds[(int)chr].X - 0.5f) / texture.width, ((float)charBounds[(int)chr].Y - 0.5f) / texture.height);
GL.UniformMatrix3(fontshader.defparams.textransform, false, ref texcoordtrans);
/*// Save character bounds so that characters can be clamped to avoid bleeding over of neighboring characters
* if(sdr.texboundsUniform)
* gl.uniform1fv(sdr.texboundsUniform, [charpos[0] / texture.image.width, (charpos[0] + charsize[0]) / texture.image.width,
* charpos[1] / texture.image.height, (charpos[1] + charsize[1]) / texture.image.height]);*/
// Transform texture quad vertices to position the letter
Matrix4 trans = Matrix4.Identity;
trans *= Matrix4.CreateScale(2.0f * charsize.X / backbufferSize.Width, (2.0f * charsize.Y - 4.0f) / backbufferSize.Height, 1.0f);
trans *= Matrix4.CreateTranslation(-1.0f + 2.0f * (x + 0.5f) / backbufferSize.Width, 1.0f - 2.0f * (y - 0.25f + charsize.Y) / backbufferSize.Height, w);
GL.UniformMatrix4(fontshader.defparams.worldviewproj, false, ref trans);
Common.meshQuad.Draw();
x += charsize.X;
}
else
{
x += blankWidth;
}
}
}
protected override void DrawString(float x, float y, float w, string strnumber, System.Drawing.Size backbufferSize, Color4 color)
{
// Fonts look best when they are drawn on integer positions (so they don't have to be interpolated over multiple pixels)
x = (float)(int)x;
y = (float)(int)y;
// Bind texture and save the size of a pixel in the texture's coordinate system
fontshader.Bind();
GL.Uniform4(fontshader_coloruniform, color);
meshquad.Bind(fontshader, texture);
/*if(sdr.InvTexSizeUniform)
* gl.uniform2f(sdr.InvTexSizeUniform, 1.0 / texture.image.width, 1.0 / texture.image.height);*/
for (int i = 0; i < strnumber.Length; ++i)
{
int digit = strnumber[i] - '0';
Vector2 digit_pos = new Vector2(fontdef.charpos_x[digit], fontdef.charpos_y[0]);
Vector2 digit_size = new Vector2(fontdef.charpos_x[digit + 1] - fontdef.charpos_x[digit], fontdef.charpos_y[1] - fontdef.charpos_y[0]);
// Transform texture quad texture coordinates to select the letter
Matrix3 texcoordtrans = Matrix3.Identity;
//texcoordtrans *= Matrix3_CreateScale(digit_size.X / texture.width, digit_size.Y / texture.height);
texcoordtrans *= GLTextFont.Matrix3_CreateScale(digit_size.X / texture.width, (digit_size.Y - 2.0f) / texture.height);
texcoordtrans *= Matrix3_CreateTranslation(digit_pos.X / texture.width, digit_pos.Y / texture.height);
GL.UniformMatrix3(fontshader.defparams.textransform, false, ref texcoordtrans);
/*// Save digit bounds so that digits can be clamped to avoid bleeding over of neighboring digits
* if(sdr.texboundsUniform)
* gl.uniform1fv(sdr.texboundsUniform, [digit_pos[0] / texture.image.width, (digit_pos[0] + digit_size[0]) / texture.image.width,
* digit_pos[1] / texture.image.height, (digit_pos[1] + digit_size[1]) / texture.image.height]);*/
if (fixedwidth != 0)
{
digit_size.X = fixedwidth;
}
// Transform texture quad vertices to position the letter
Matrix4 trans = Matrix4.Identity;
trans *= Matrix4.CreateScale(2.0f * digit_size.X / backbufferSize.Width, (2.0f * digit_size.Y - 4.0f) / backbufferSize.Height, 1.0f);
trans *= Matrix4.CreateTranslation(-1.0f + 2.0f * (x + 0.5f) / backbufferSize.Width, 1.0f - 2.0f * (y + texture.height) / backbufferSize.Height, w);
GL.UniformMatrix4(fontshader.defparams.worldviewproj, false, ref trans);
meshquad.Draw();
x += digit_size.X;
}
}
protected override void DrawString(float x, float y, float w, string text, System.Drawing.Size backbufferSize, Color4 color)
{
// Fonts look best when they are drawn on integer positions (so they don't have to be interpolated over multiple pixels)
float linestart = x = (float)(int)x;
y = (float)(int)y;
// Bind texture and save the size of a pixel in the texture's coordinate system
fontshader.Bind();
GL.Uniform4(fontshader_coloruniform, color);
meshquad.Bind(fontshader, texture);
/*if(sdr.InvTexSizeUniform)
* gl.uniform2f(sdr.InvTexSizeUniform, 1.0 / texture.image.width, 1.0 / texture.image.height);*/
for (int i = 0; i < text.Length; ++i)
{
char chr = text[i];
if (chr == '\n')
{
x = linestart;
y += charsize.Y;
}
if (chr != ' ')
{
Vector2 charpos;
switch (chr)
{
case '-': charpos = new Vector2((float)(0 * charsize.X), (float)(3 * charsize.Y)); break;
case '/': charpos = new Vector2((float)(1 * charsize.X), (float)(3 * charsize.Y)); break;
case ':': charpos = new Vector2((float)(2 * charsize.X), (float)(3 * charsize.Y)); break;
case '>': charpos = new Vector2((float)(3 * charsize.X), (float)(3 * charsize.Y)); break;
case '(': charpos = new Vector2((float)(4 * charsize.X), (float)(3 * charsize.Y)); break;
case ')': charpos = new Vector2((float)(5 * charsize.X), (float)(3 * charsize.Y)); break;
case '%': charpos = new Vector2((float)(6 * charsize.X), (float)(3 * charsize.Y)); break;
case '.': charpos = new Vector2((float)(7 * charsize.X), (float)(3 * charsize.Y)); break;
default:
if (char.IsNumber(chr))
{
charpos = new Vector2((float)(chr - '0') * charsize.X, (float)(2 * charsize.Y)); // Character is digit
}
else
{
charpos = new Vector2((float)(char.ToLower(chr) - 'a') * charsize.X, (float)(char.IsUpper(chr) ? 0 : 1) * charsize.Y); // Character is letter
}
break;
}
// Transform texture quad texture coordinates to select the letter
Matrix3 texcoordtrans = Matrix3.Identity;
//texcoordtrans *= Matrix3_CreateScale(charsize.X / texture.width, charsize.Y / texture.height);
texcoordtrans *= GLTextFont.Matrix3_CreateScale(charsize.X / texture.width, (charsize.Y - 2.0f) / texture.height);
texcoordtrans *= Matrix3_CreateTranslation((charpos.X - 0.5f) / texture.width, (charpos.Y - 0.5f) / texture.height);
GL.UniformMatrix3(fontshader.defparams.textransform, false, ref texcoordtrans);
/*// Save character bounds so that characters can be clamped to avoid bleeding over of neighboring characters
* if(sdr.texboundsUniform)
* gl.uniform1fv(sdr.texboundsUniform, [charpos[0] / texture.image.width, (charpos[0] + charsize[0]) / texture.image.width,
* charpos[1] / texture.image.height, (charpos[1] + charsize[1]) / texture.image.height]);*/
// Transform texture quad vertices to position the letter
Matrix4 trans = Matrix4.Identity;
trans *= Matrix4.CreateScale(2.0f * charsize.X / backbufferSize.Width, (2.0f * charsize.Y - 4.0f) / backbufferSize.Height, 1.0f);
trans *= Matrix4.CreateTranslation(-1.0f + 2.0f * (x + 0.5f) / backbufferSize.Width, 1.0f - 2.0f * (y + charsize.Y) / backbufferSize.Height, w);
GL.UniformMatrix4(fontshader.defparams.worldviewproj, false, ref trans);
meshquad.Draw();
}
x += charsize.X;
}
}