C++ (Cpp) GraphicsContextStateSaver::context 예제들

예제 #1

파일: SVGLayoutSupport.cpp 프로젝트: kingysu/blink-crosswalk

bool SVGLayoutSupport::updateGraphicsContext(const PaintInfo& paintInfo, GraphicsContextStateSaver& stateSaver, const ComputedStyle& style, LayoutObject& layoutObject, LayoutSVGResourceMode resourceMode, const AffineTransform* additionalPaintServerTransform)
{
    ASSERT(paintInfo.context == stateSaver.context());

    GraphicsContext& context = *paintInfo.context;
    if (paintInfo.isRenderingClipPathAsMaskImage()) {
        if (resourceMode == ApplyToStrokeMode)
            return false;
        context.setFillColor(SVGComputedStyle::initialFillPaintColor());
        return true;
    }

    SVGPaintServer paintServer = SVGPaintServer::requestForLayoutObject(layoutObject, style, resourceMode);
    if (!paintServer.isValid())
        return false;

    if (additionalPaintServerTransform && paintServer.isTransformDependent())
        paintServer.prependTransform(*additionalPaintServerTransform);

    const SVGComputedStyle& svgStyle = style.svgStyle();
    float paintAlpha = resourceMode == ApplyToFillMode ? svgStyle.fillOpacity() : svgStyle.strokeOpacity();
    paintServer.apply(context, resourceMode, paintAlpha, stateSaver);

    if (resourceMode == ApplyToFillMode)
        context.setFillRule(svgStyle.fillRule());
    else
        applyStrokeStyleToContext(context, style, layoutObject);

    return true;
}

예제 #2

파일: SVGRenderSupport.cpp 프로젝트: kjthegod/WebKit

bool SVGRenderSupport::updateGraphicsContext(const PaintInfo& paintInfo, GraphicsContextStateSaver& stateSaver, RenderStyle* style, RenderObject& renderer, RenderSVGResourceMode resourceMode, const AffineTransform* additionalPaintServerTransform)
{
    ASSERT(style);
    ASSERT(paintInfo.context == stateSaver.context());

    GraphicsContext* context = paintInfo.context;
    if (paintInfo.isRenderingClipPathAsMaskImage()) {
        if (resourceMode == ApplyToStrokeMode)
            return false;
        context->setAlphaAsFloat(1);
        context->setFillColor(SVGRenderStyle::initialFillPaintColor());
        return true;
    }

    SVGPaintServer paintServer = SVGPaintServer::requestForRenderer(renderer, style, resourceMode);
    if (!paintServer.isValid())
        return false;

    if (additionalPaintServerTransform && paintServer.isTransformDependent())
        paintServer.prependTransform(*additionalPaintServerTransform);

    paintServer.apply(*context, resourceMode, &stateSaver);

    const SVGRenderStyle& svgStyle = style->svgStyle();

    if (resourceMode == ApplyToFillMode) {
        context->setAlphaAsFloat(svgStyle.fillOpacity());
        context->setFillRule(svgStyle.fillRule());
    } else {
        context->setAlphaAsFloat(svgStyle.strokeOpacity());
        applyStrokeStyleToContext(context, style, &renderer);
    }
    return true;
}

예제 #3

파일: SVGShapePainter.cpp 프로젝트: astojilj/chromium-crosswalk

static bool setupNonScalingStrokeContext(AffineTransform& strokeTransform, GraphicsContextStateSaver& stateSaver)
{
    if (!strokeTransform.isInvertible())
        return false;

    stateSaver.save();
    stateSaver.context().concatCTM(strokeTransform.inverse());
    return true;
}

예제 #4

파일: RenderSVGShape.cpp 프로젝트: kamihouse/webkit

bool RenderSVGShape::setupNonScalingStrokeContext(AffineTransform& strokeTransform, GraphicsContextStateSaver& stateSaver)
{
    Optional<AffineTransform> inverse = strokeTransform.inverse();
    if (!inverse)
        return false;

    stateSaver.save();
    stateSaver.context()->concatCTM(inverse.value());
    return true;
}