void _drawTextBlob(TextBlob?textBlob, uiOffset offset, uiPaint paint)
{
D.assert(textBlob != null);
var state = this._currentLayer.currentState;
var scale = state.scale * this._devicePixelRatio;
var matrix = new uiMatrix3(state.matrix.Value);
matrix.preTranslate(offset.dx, offset.dy);
var mesh = TextBlobMesh.create(textBlob.Value, scale, matrix);
var textBlobBounds = matrix.mapRect(uiRectHelper.fromRect(textBlob.Value.boundsInText));
// request font texture so text mesh could be generated correctly
var style = textBlob.Value.style;
var font = FontManager.instance.getOrCreate(style.fontFamily, style.fontWeight, style.fontStyle).font;
var fontSizeToLoad = Mathf.CeilToInt(style.UnityFontSize * scale);
var subText = textBlob.Value.text.Substring(textBlob.Value.textOffset, textBlob.Value.textSize);
Texture tex = null;
bool notEmoji = !char.IsHighSurrogate(subText[0]) && !EmojiUtils.isSingleCharEmoji(subText[0]);
if (notEmoji)
{
font.RequestCharactersInTextureSafe(subText, fontSizeToLoad, style.UnityFontStyle);
tex = font.material.mainTexture;
}
if (paint.maskFilter != null && paint.maskFilter.Value.sigma != 0)
{
this._drawWithMaskFilter(textBlobBounds, paint, paint.maskFilter.Value, null, null, false, 0, 0, tex,
textBlobBounds, mesh, notEmoji, this.___drawTextDrawMeshCallback);
return;
}
this._drawTextDrawMeshCallback(paint, null, null, false, 0, 0, tex, textBlobBounds, mesh, notEmoji);
}
