VectorDrawableCompat.java 文件源码

private void updateStateFromTypedArray(TypedArray a, XmlPullParser parser) throws XmlPullParserException {
    VectorDrawableCompatState state = this.mVectorState;
    VPathRenderer pathRenderer = state.mVPathRenderer;
    state.mTintMode = parseTintModeCompat(TypedArrayUtils.getNamedInt(a, parser, "tintMode", 6, -1), Mode.SRC_IN);
    ColorStateList tint = a.getColorStateList(1);
    if (tint != null) {
        state.mTint = tint;
    }
    state.mAutoMirrored = TypedArrayUtils.getNamedBoolean(a, parser, "autoMirrored", 5, state.mAutoMirrored);
    pathRenderer.mViewportWidth = TypedArrayUtils.getNamedFloat(a, parser, "viewportWidth", 7, pathRenderer.mViewportWidth);
    pathRenderer.mViewportHeight = TypedArrayUtils.getNamedFloat(a, parser, "viewportHeight", 8, pathRenderer.mViewportHeight);
    if (pathRenderer.mViewportWidth <= 0.0f) {
        throw new XmlPullParserException(a.getPositionDescription() + "<vector> tag requires viewportWidth > 0");
    } else if (pathRenderer.mViewportHeight <= 0.0f) {
        throw new XmlPullParserException(a.getPositionDescription() + "<vector> tag requires viewportHeight > 0");
    } else {
        pathRenderer.mBaseWidth = a.getDimension(3, pathRenderer.mBaseWidth);
        pathRenderer.mBaseHeight = a.getDimension(2, pathRenderer.mBaseHeight);
        if (pathRenderer.mBaseWidth <= 0.0f) {
            throw new XmlPullParserException(a.getPositionDescription() + "<vector> tag requires width > 0");
        } else if (pathRenderer.mBaseHeight <= 0.0f) {
            throw new XmlPullParserException(a.getPositionDescription() + "<vector> tag requires height > 0");
        } else {
            pathRenderer.setAlpha(TypedArrayUtils.getNamedFloat(a, parser, "alpha", 4, pathRenderer.getAlpha()));
            String name = a.getString(0);
            if (name != null) {
                pathRenderer.mRootName = name;
                pathRenderer.mVGTargetsMap.put(name, pathRenderer);
            }
        }
    }
}