private void RefreshCache(FontState state, BitmapFontCache cache)
{
if (cache.NeedsRefresh == false)
{
return;
}
// this variable counts the number of rectangles actually used to display text.
// It may be less then text.Length because carriage return characters
// don't need any rects.
GetRects(cache.SrcRects, cache.DestRects, out cache.DisplayTextLength,
state.Text, state.ScaleHeight, state.ScaleWidth);
Vector2 dest = state.Location;
if (state.TextAlignment != OriginAlignment.TopLeft)
{
Point value = Origin.Calc(state.TextAlignment,
MeasureString(state, state.Text));
dest.X -= value.X;
dest.Y -= value.Y;
}
for (int i = 0; i < cache.DisplayTextLength; i++)
{
cache.DestRects[i].X += (int)dest.X;
cache.DestRects[i].Y += (int)dest.Y;
}
cache.NeedsRefresh = false;
}
public override void DrawText(Point dest_pt, string text)
{
if (mSprite == null)
{
mSprite = new Microsoft.DirectX.Direct3D.Sprite(mD3DFont.Device);
}
Point dest = Origin.Calc(DisplayAlignment, StringDisplaySize(text));
dest_pt.X -= dest.X;
dest_pt.Y -= dest.Y;
double scalex, scaley;
GetScale(out scalex, out scaley);
mDisplay.D3D_Device.DrawBuffer.Flush();
mDisplay.D3D_Device.SetFontRenderState();
mSprite.Begin(SpriteFlags.AlphaBlend);
mSprite.Transform = Matrix.Scaling((float)scalex, (float)scaley, 1.0f)
* Matrix.Translation(dest_pt.X, dest_pt.Y, 0);
mD3DFont.DrawText(mSprite, text, new System.Drawing.Point(0, 0), Color.ToArgb());
mSprite.End();
}
private void DrawTextImpl(int destX, int destY, string text,
RectangleF[] srcRects, RectangleF[] destRects)
{
// this variable counts the number of rectangles actually used to display text.
// It may be less then text.Length because carriage return characters
// don't need any rects.
int displayTextLength;
GetRects(text, srcRects, destRects, out displayTextLength);
if (DisplayAlignment != OriginAlignment.TopLeft)
{
Point value = Origin.Calc(DisplayAlignment, StringDisplaySize(text));
destX -= value.X;
destY -= value.Y;
}
for (int i = 0; i < displayTextLength; i++)
{
destRects[i].X += destX;
destRects[i].Y += destY;
}
mSurface.DrawRects(srcRects, destRects, 0, displayTextLength);
}