public override void draw(android.graphics.Canvas canvas, android.graphics.Paint paint) { canvas.save(); canvas.scale(mScaleX, mScaleY); canvas.drawPath(mPath, paint); canvas.restore(); }
public override void draw(android.graphics.Canvas canvas, android.graphics.Paint paint) { canvas.drawPath(mPath, paint); }
public override void draw(android.graphics.Canvas canvas) { if (!ensureValidRect()) { // nothing to draw return; } // remember the alpha values, in case we temporarily overwrite them // when we modulate them with mAlpha int prevFillAlpha = mFillPaint.getAlpha(); int prevStrokeAlpha = mStrokePaint != null ? mStrokePaint.getAlpha() : 0; // compute the modulate alpha values int currFillAlpha = modulateAlpha(prevFillAlpha); int currStrokeAlpha = modulateAlpha(prevStrokeAlpha); bool haveStroke = currStrokeAlpha > 0 && mStrokePaint.getStrokeWidth() > 0; bool haveFill = currFillAlpha > 0; android.graphics.drawable.GradientDrawable.GradientState st = mGradientState; bool useLayer = haveStroke && haveFill && st.mShape != LINE && currStrokeAlpha < 255 && (mAlpha < 255 || mColorFilter != null); if (useLayer) { if (mLayerPaint == null) { mLayerPaint = new android.graphics.Paint(); } mLayerPaint.setDither(mDither); mLayerPaint.setAlpha(mAlpha); mLayerPaint.setColorFilter(mColorFilter); float rad = mStrokePaint.getStrokeWidth(); canvas.saveLayer(mRect.left - rad, mRect.top - rad, mRect.right + rad, mRect.bottom + rad, mLayerPaint, android.graphics.Canvas.HAS_ALPHA_LAYER_SAVE_FLAG); // don't perform the filter in our individual paints // since the layer will do it for us mFillPaint.setColorFilter(null); mStrokePaint.setColorFilter(null); } else { mFillPaint.setAlpha(currFillAlpha); mFillPaint.setDither(mDither); mFillPaint.setColorFilter(mColorFilter); if (haveStroke) { mStrokePaint.setAlpha(currStrokeAlpha); mStrokePaint.setDither(mDither); mStrokePaint.setColorFilter(mColorFilter); } } switch (st.mShape) { case RECTANGLE: { if (st.mRadiusArray != null) { if (mPathIsDirty || mRectIsDirty) { mPath.reset(); mPath.addRoundRect(mRect, st.mRadiusArray, android.graphics.Path.Direction.CW); mPathIsDirty = mRectIsDirty = false; } canvas.drawPath(mPath, mFillPaint); if (haveStroke) { canvas.drawPath(mPath, mStrokePaint); } } else { if (st.mRadius > 0.0f) { // since the caller is only giving us 1 value, we will force // it to be square if the rect is too small in one dimension // to show it. If we did nothing, Skia would clamp the rad // independently along each axis, giving us a thin ellipse // if the rect were very wide but not very tall float rad = st.mRadius; float r = System.Math.Min(mRect.width(), mRect.height()) * 0.5f; if (rad > r) { rad = r; } canvas.drawRoundRect(mRect, rad, rad, mFillPaint); if (haveStroke) { canvas.drawRoundRect(mRect, rad, rad, mStrokePaint); } } else { canvas.drawRect(mRect, mFillPaint); if (haveStroke) { canvas.drawRect(mRect, mStrokePaint); } } } break; } case OVAL: { canvas.drawOval(mRect, mFillPaint); if (haveStroke) { canvas.drawOval(mRect, mStrokePaint); } break; } case LINE: { android.graphics.RectF r = mRect; float y = r.centerY(); canvas.drawLine(r.left, y, r.right, y, mStrokePaint); break; } case RING: { android.graphics.Path path = buildRing(st); canvas.drawPath(path, mFillPaint); if (haveStroke) { canvas.drawPath(path, mStrokePaint); } break; } } if (useLayer) { canvas.restore(); } else { mFillPaint.setAlpha(prevFillAlpha); if (haveStroke) { mStrokePaint.setAlpha(prevStrokeAlpha); } } }