예제 #1
0
static void paintTextWithShadows(GraphicsContext* context, const Font& font, const TextRun& textRun, const AtomicString& emphasisMark,
    int emphasisMarkOffset, int startOffset, int endOffset, int truncationPoint, const FloatPoint& textOrigin, const FloatRect& boxRect,
    const ShadowData* shadow, bool stroked, bool horizontal)
{
    Color fillColor = context->fillColor();
    ColorSpace fillColorSpace = context->fillColorSpace();
    bool opaque = !fillColor.hasAlpha();
    if (!opaque)
        context->setFillColor(Color::black, fillColorSpace);

    do {
        if (isEmptyShadow(shadow)) {
            shadow = shadow->next();
            continue;
        }

        IntSize extraOffset;
        bool didSaveContext = false;
        if (shadow)
            extraOffset = roundedIntSize(InlineTextBox::applyShadowToGraphicsContext(context, shadow, boxRect, stroked, opaque, horizontal, didSaveContext));
        else if (!opaque)
            context->setFillColor(fillColor, fillColorSpace);

        if (startOffset <= endOffset)
            drawTextOrEmphasisMarks(*context, font, textRun, emphasisMark, emphasisMarkOffset, textOrigin + extraOffset, startOffset, endOffset);
        else {
            if (endOffset > 0)
                drawTextOrEmphasisMarks(*context, font, textRun, emphasisMark, emphasisMarkOffset, textOrigin + extraOffset, 0, endOffset);
            if (startOffset < truncationPoint)
                drawTextOrEmphasisMarks(*context, font, textRun, emphasisMark, emphasisMarkOffset, textOrigin + extraOffset, startOffset, truncationPoint);
        }

        if (!shadow)
            break;

        if (didSaveContext)
            context->restore();
        else
            context->clearShadow();

        shadow = shadow->next();
    } while (shadow || stroked || !opaque);
}
예제 #2
0
static void paintTextWithShadows(GraphicsContext& context, const FontCascade& font, const TextRun& textRun, const AtomicString& emphasisMark,
    int emphasisMarkOffset, int startOffset, int endOffset, int truncationPoint, const FloatPoint& textOrigin, const FloatRect& boxRect,
    const ShadowData* shadow, bool stroked, bool horizontal)
{
    Color fillColor = context.fillColor();
    ColorSpace fillColorSpace = context.fillColorSpace();
    bool opaque = !fillColor.hasAlpha();
    bool lastShadowIterationShouldDrawText = !stroked && opaque;
    if (!opaque)
        context.setFillColor(Color::black, fillColorSpace);

    do {
        ShadowApplier shadowApplier(context, shadow, boxRect, lastShadowIterationShouldDrawText, opaque, horizontal ? Horizontal : Vertical);
        if (shadowApplier.nothingToDraw()) {
            shadow = shadow->next();
            continue;
        }

        IntSize extraOffset = roundedIntSize(shadowApplier.extraOffset());
        if (!shadow && !opaque)
            context.setFillColor(fillColor, fillColorSpace);

        if (startOffset <= endOffset)
            drawTextOrEmphasisMarks(context, font, textRun, emphasisMark, emphasisMarkOffset, textOrigin + extraOffset, startOffset, endOffset);
        else {
            if (endOffset > 0)
                drawTextOrEmphasisMarks(context, font, textRun, emphasisMark, emphasisMarkOffset, textOrigin + extraOffset, 0, endOffset);
            if (startOffset < truncationPoint)
                drawTextOrEmphasisMarks(context, font, textRun, emphasisMark, emphasisMarkOffset, textOrigin + extraOffset, startOffset, truncationPoint);
        }

        if (!shadow)
            break;

        shadow = shadow->next();
    } while (shadow || !lastShadowIterationShouldDrawText);
}