void _drawTextDrawMeshCallback(uiPaint p, uiMeshMesh fillMesh, uiMeshMesh strokeMesh, bool convex, float alpha,
float strokeMult, Texture tex,
uiRect textBlobBounds, TextBlobMesh textMesh, bool notEmoji)
{
if (!this._applyClip(textBlobBounds))
{
ObjectPool <TextBlobMesh> .release(textMesh);
return;
}
var layer = this._currentLayer;
if (notEmoji)
{
layer.draws.Add(CanvasShader.texAlpha(layer, p, textMesh, tex));
}
else
{
uiPaint paintWithWhite = new uiPaint(p);
paintWithWhite.color = uiColor.white;
if (EmojiUtils.image == null)
{
ObjectPool <TextBlobMesh> .release(textMesh);
return;
}
var raw_mesh = textMesh.resolveMesh();
var meshmesh = raw_mesh.duplicate();
ObjectPool <TextBlobMesh> .release(textMesh);
layer.draws.Add(CanvasShader.tex(layer, paintWithWhite, meshmesh, EmojiUtils.image));
}
}
void _drawTextBlob(TextBlob textBlob, Offset offset, Paint paint)
{
D.assert(textBlob != null);
D.assert(offset != null);
D.assert(paint != null);
var state = this._currentLayer.currentState;
var scale = state.scale * this._devicePixelRatio;
var matrix = new Matrix3(state.matrix);
matrix.preTranslate(offset.dx, offset.dy);
var mesh = new TextBlobMesh(textBlob, scale, matrix);
// request font texture so text mesh could be generated correctly
var font = FontManager.instance.getOrCreate(textBlob.style.fontFamily).font;
var style = textBlob.style;
var fontSizeToLoad = Mathf.CeilToInt(style.UnityFontSize * scale);
var subText = textBlob.text.Substring(textBlob.textOffset, textBlob.textSize);
font.RequestCharactersInTexture(subText, fontSizeToLoad, style.UnityFontStyle);
var tex = font.material.mainTexture;
Action <Paint> drawMesh = (Paint p) => {
if (!this._applyClip(textBlob.bounds))
{
return;
}
var layer = this._currentLayer;
layer.draws.Add(CanvasShader.texAlpha(layer, p, mesh, tex));
};
if (paint.maskFilter != null && paint.maskFilter.sigma != 0)
{
this._drawWithMaskFilter(textBlob.bounds, drawMesh, paint, paint.maskFilter);
return;
}
drawMesh(paint);
}
void _drawTextBlob(TextBlob textBlob, Offset offset, Paint paint)
{
D.assert(textBlob != null);
D.assert(offset != null);
D.assert(paint != null);
var state = this._currentLayer.currentState;
var scale = state.scale * this._devicePixelRatio;
var matrix = new Matrix3(state.matrix);
matrix.preTranslate(offset.dx, offset.dy);
var mesh = MeshGenerator.generateMesh(textBlob, scale)?.transform(matrix);
if (mesh == null)
{
return;
}
var font = FontManager.instance.getOrCreate(textBlob.style.fontFamily).font;
var tex = font.material.mainTexture;
Action <Paint> drawMesh = (Paint p) => {
if (!this._applyClip(mesh.bounds))
{
return;
}
var layer = this._currentLayer;
layer.draws.Add(CanvasShader.texAlpha(layer, p, mesh, tex));
};
if (paint.maskFilter != null && paint.maskFilter.sigma != 0)
{
this._drawWithMaskFilter(mesh.bounds, drawMesh, paint, paint.maskFilter);
return;
}
drawMesh(paint);
}