public void DrawString( SpriteLayer spriteBatch, string text, float xPos, float yPos, Color color, int frameIndex=0, float tracking = 0, bool useBaseLine = true, bool flip = false )
{
if (text==null) {
return;
}
float x, y;
if (!flip) {
x = xPos;
y = yPos;// - fontInfo.baseLine;
if (useBaseLine) {
y -= fontInfo.baseLine;
}
} else {
x = yPos;
y = xPos;// - fontInfo.baseLine;
if (useBaseLine) {
x -= fontInfo.baseLine;
}
}
int length = text.Length;
float w = fontTexture.Width;
float h = fontTexture.Height;
for (int i=0; i<length; i++) {
char ch0 = text[i];
if (ch0 == '\n') {
y += fontInfo.lineHeight;
x = xPos;
}
char ch1 = (i+1)<length ? text[i+1] : '\0';
var chi = GetInfo(ch0);
var kerning = GetKerning( ch0, ch1 );
/*if (ch0=='^' && char.IsDigit(ch1)) {
i++;
color = EscColor(ch1);
continue;
} */
RectangleF dstRect = chi.dstRect;
RectangleF srcRect = chi.srcRect;
dstRect.X += x;
dstRect.Y += y;
/*dstRect.Right += x;
dstRect.Bottom += y;*/
if (!flip) {
x += chi.xAdvance;
x += kerning;
x += tracking;
} else {
x -= chi.xAdvance;
x -= kerning;
x -= tracking;
}
//spriteBatch.Draw( fontTexture, dstRect, srcRect, color );
var c = color;// * spriteBatch.ColorMultiplier;
if (!flip) {
var v0 = new SpriteVertex( new Vector3(dstRect.X, dstRect.Y , 0), c, new Vector2((srcRect.X ) / w, (srcRect.Y ) / h), frameIndex );
var v1 = new SpriteVertex( new Vector3(dstRect.X + dstRect.Width, dstRect.Y , 0), c, new Vector2((srcRect.X + srcRect.Width) / w, (srcRect.Y ) / h), frameIndex );
var v2 = new SpriteVertex( new Vector3(dstRect.X + dstRect.Width, dstRect.Y + dstRect.Height, 0), c, new Vector2((srcRect.X + srcRect.Width) / w, (srcRect.Y + srcRect.Height) / h), frameIndex );
var v3 = new SpriteVertex( new Vector3(dstRect.X, dstRect.Y + dstRect.Height, 0), c, new Vector2((srcRect.X ) / w, (srcRect.Y + srcRect.Height) / h), frameIndex );
spriteBatch.DrawQuad( fontTexture, v0, v1, v2, v3 );
} else {
var v0 = new SpriteVertex( new Vector3(dstRect.Y , dstRect.X , 0), c, new Vector2((srcRect.X ) / w, (srcRect.Y ) / h), frameIndex );
var v1 = new SpriteVertex( new Vector3(dstRect.Y , dstRect.X - dstRect.Width, 0), c, new Vector2((srcRect.X + srcRect.Width) / w, (srcRect.Y ) / h), frameIndex );
var v2 = new SpriteVertex( new Vector3(dstRect.Y + dstRect.Height, dstRect.X - dstRect.Width, 0), c, new Vector2((srcRect.X + srcRect.Width) / w, (srcRect.Y + srcRect.Height) / h), frameIndex );
var v3 = new SpriteVertex( new Vector3(dstRect.Y + dstRect.Height, dstRect.X , 0), c, new Vector2((srcRect.X ) / w, (srcRect.Y + srcRect.Height) / h), frameIndex );
spriteBatch.DrawQuad( fontTexture, v0, v1, v2, v3 );
}
}
}
