return result;
}
-static void drawSkipInkUnderline(TextPainter& textPainter, GraphicsContext& context, FloatPoint localOrigin, float underlineOffset, float width, bool isPrinting)
+static void drawSkipInkUnderline(TextPainter& textPainter, GraphicsContext& context, FloatPoint localOrigin, float underlineOffset, float width, bool isPrinting, bool doubleLines)
{
FloatPoint adjustedLocalOrigin = localOrigin;
adjustedLocalOrigin.move(0, underlineOffset);
DashArray a = translateIntersectionPointsToSkipInkBoundaries(intersections, underlineBoundingBox.height(), width);
ASSERT(!(a.size() % 2));
- context.drawLinesForText(adjustedLocalOrigin, a, isPrinting);
+ context.drawLinesForText(adjustedLocalOrigin, a, isPrinting, doubleLines);
}
#endif
context.strokePath(path);
}
-// Because finding the bounding box of an underline is structurally similar to finding
-// the bounding box of a strikethrough, we can pull out the computation and parameterize
-// by the location of the decoration (yOffset, underlineOffset, and doubleOffset).
-static FloatRect boundingBoxForSingleDecoration(GraphicsContext& context, float textDecorationThickness,
- float width, FloatPoint localOrigin, TextDecorationStyle decorationStyle,
- bool isPrinting, float yOffset, float underlineOffset, float doubleOffset)
-{
- FloatRect boundingBox;
-
- switch (decorationStyle) {
- case TextDecorationStyleWavy: {
- FloatPoint start(localOrigin.x(), localOrigin.y() + yOffset);
- FloatPoint end = start + FloatSize(width, 0);
- context.adjustLineToPixelBoundaries(start, end, textDecorationThickness, context.strokeStyle());
-
- float controlPointDistance;
- float step;
- getWavyStrokeParameters(textDecorationThickness, controlPointDistance, step);
-
- adjustStepToDecorationLength(step, controlPointDistance, width);
-
- controlPointDistance += textDecorationThickness;
- FloatPoint boundingBoxOrigin = start - FloatSize(0, controlPointDistance);
- FloatSize boundingBoxSize = FloatSize(width, 2 * controlPointDistance);
- boundingBox = FloatRect(boundingBoxOrigin, boundingBoxSize);
- break;
- }
- default:
- boundingBox = context.computeLineBoundsForText(localOrigin + FloatSize(0, underlineOffset), width, isPrinting);
- if (decorationStyle == TextDecorationStyleDouble)
- boundingBox.unite(context.computeLineBoundsForText(localOrigin + FloatSize(0, doubleOffset), width, isPrinting));
- }
- return boundingBox;
-}
-
-static FloatRect boundingBoxForAllActiveDecorations(InlineTextBox& inlineTextBox, GraphicsContext& context, TextDecoration decoration, float textDecorationThickness, float width, float doubleOffset, TextDecorationStyle decorationStyle, const FloatPoint localOrigin, const RenderStyle& lineStyle, bool isPrinting, int baseline)
-{
- FloatRect boundingBox;
- if (decoration & TextDecorationUnderline) {
- int underlineOffset = computeUnderlineOffset(lineStyle.textUnderlinePosition(), lineStyle.fontMetrics(), &inlineTextBox, textDecorationThickness);
-
- boundingBox.unite(boundingBoxForSingleDecoration(context, textDecorationThickness, width, localOrigin, decorationStyle, isPrinting, underlineOffset + doubleOffset, underlineOffset, baseline + 1));
- }
- if (decoration & TextDecorationOverline)
- boundingBox.unite(boundingBoxForSingleDecoration(context, textDecorationThickness, width, localOrigin, decorationStyle, isPrinting, -doubleOffset, 0, -doubleOffset));
- if (decoration & TextDecorationLineThrough)
- boundingBox.unite(boundingBoxForSingleDecoration(context, textDecorationThickness, width, localOrigin, decorationStyle, isPrinting, 2 * baseline / 3, 2 * baseline / 3, doubleOffset + 2 * baseline / 3));
- return boundingBox;
-}
-
void InlineTextBox::paintDecoration(GraphicsContext& context, const FloatPoint& boxOrigin, TextDecoration decoration, TextDecorationStyle decorationStyle, const ShadowData* shadow, TextPainter& textPainter)
{
// FIXME: We should improve this rule and not always just assume 1.
setShadow = true;
shadow = shadow->next();
}
-
- // Offset between lines - always non-zero, so lines never cross each other.
- float doubleOffset = textDecorationThickness + 1;
-
- bool clipDecorationToMask = false;
- GraphicsContextStateSaver stateSaver(context, false);
-
- if (clipDecorationToMask) {
- const float skipInkGapWidth = 1;
-
- stateSaver.save();
-
- FloatRect underlineRect = boundingBoxForAllActiveDecorations(*this, context, decoration, textDecorationThickness, width, doubleOffset, decorationStyle, localOrigin, lineStyle, isPrinting, baseline);
- IntRect enclosingDeviceRect = enclosingIntRect(underlineRect);
- std::unique_ptr<ImageBuffer> imageBuffer = context.createCompatibleBuffer(enclosingDeviceRect.size());
-
- if (imageBuffer.get()) {
- GraphicsContext& maskContext = *imageBuffer->context();
- maskContext.setFillColor(Color::black, ColorSpaceDeviceRGB);
- maskContext.setLineJoin(RoundJoin);
- maskContext.translate(FloatPoint() - enclosingDeviceRect.location());
-
- maskContext.fillRect(enclosingDeviceRect);
- maskContext.setCompositeOperation(CompositeClear);
-
- textPainter.paintTextInContext(maskContext, skipInkGapWidth);
+ float wavyOffset = 2.f;
- context.clipToImageBuffer(imageBuffer.get(), enclosingDeviceRect);
- }
- }
context.setStrokeStyle(textDecorationStyleToStrokeStyle(decorationStyle));
if (decoration & TextDecorationUnderline) {
context.setStrokeColor(underline, colorSpace);
switch (decorationStyle) {
case TextDecorationStyleWavy: {
- FloatPoint start(localOrigin.x(), localOrigin.y() + underlineOffset + doubleOffset);
- FloatPoint end(localOrigin.x() + width, localOrigin.y() + underlineOffset + doubleOffset);
+ FloatPoint start(localOrigin.x(), localOrigin.y() + underlineOffset + wavyOffset);
+ FloatPoint end(localOrigin.x() + width, localOrigin.y() + underlineOffset + wavyOffset);
strokeWavyTextDecoration(context, start, end, textDecorationThickness);
break;
}
#if ENABLE(CSS3_TEXT_DECORATION_SKIP_INK)
if ((lineStyle.textDecorationSkip() == TextDecorationSkipInk || lineStyle.textDecorationSkip() == TextDecorationSkipAuto) && isHorizontal()) {
if (!context.paintingDisabled()) {
- drawSkipInkUnderline(textPainter, context, localOrigin, underlineOffset, width, isPrinting);
-
- if (decorationStyle == TextDecorationStyleDouble)
- drawSkipInkUnderline(textPainter, context, localOrigin, underlineOffset + doubleOffset, width, isPrinting);
+ drawSkipInkUnderline(textPainter, context, localOrigin, underlineOffset, width, isPrinting, decorationStyle == TextDecorationStyleDouble);
}
- } else {
+ } else
// FIXME: Need to support text-decoration-skip: none.
#endif // CSS3_TEXT_DECORATION_SKIP_INK
- context.drawLineForText(FloatPoint(localOrigin.x(), localOrigin.y() + underlineOffset), width, isPrinting);
-
- if (decorationStyle == TextDecorationStyleDouble)
- context.drawLineForText(FloatPoint(localOrigin.x(), localOrigin.y() + underlineOffset + doubleOffset), width, isPrinting);
-#if ENABLE(CSS3_TEXT_DECORATION_SKIP_INK)
- }
-#endif
+ context.drawLineForText(FloatPoint(localOrigin.x(), localOrigin.y() + underlineOffset), width, isPrinting, decorationStyle == TextDecorationStyleDouble);
}
}
if (decoration & TextDecorationOverline) {
context.setStrokeColor(overline, colorSpace);
switch (decorationStyle) {
case TextDecorationStyleWavy: {
- FloatPoint start(localOrigin.x(), localOrigin.y() - doubleOffset);
- FloatPoint end(localOrigin.x() + width, localOrigin.y() - doubleOffset);
+ FloatPoint start(localOrigin.x(), localOrigin.y() - wavyOffset);
+ FloatPoint end(localOrigin.x() + width, localOrigin.y() - wavyOffset);
strokeWavyTextDecoration(context, start, end, textDecorationThickness);
break;
}
default:
#if ENABLE(CSS3_TEXT_DECORATION_SKIP_INK)
if ((lineStyle.textDecorationSkip() == TextDecorationSkipInk || lineStyle.textDecorationSkip() == TextDecorationSkipAuto) && isHorizontal()) {
- if (!context.paintingDisabled()) {
- drawSkipInkUnderline(textPainter, context, localOrigin, 0, width, isPrinting);
-
- if (decorationStyle == TextDecorationStyleDouble)
- drawSkipInkUnderline(textPainter, context, localOrigin, -doubleOffset, width, isPrinting);
- }
- } else {
+ if (!context.paintingDisabled())
+ drawSkipInkUnderline(textPainter, context, localOrigin, 0, width, isPrinting, decorationStyle == TextDecorationStyleDouble);
+ } else
// FIXME: Need to support text-decoration-skip: none.
#endif // CSS3_TEXT_DECORATION_SKIP_INK
- context.drawLineForText(localOrigin, width, isPrinting);
- if (decorationStyle == TextDecorationStyleDouble)
- context.drawLineForText(FloatPoint(localOrigin.x(), localOrigin.y() - doubleOffset), width, isPrinting);
-#if ENABLE(CSS3_TEXT_DECORATION_SKIP_INK)
- }
-#endif
+ context.drawLineForText(localOrigin, width, isPrinting, decorationStyle == TextDecorationStyleDouble);
}
}
- if (clipDecorationToMask)
- stateSaver.restore();
if (decoration & TextDecorationLineThrough) {
context.setStrokeColor(linethrough, colorSpace);
switch (decorationStyle) {
break;
}
default:
- context.drawLineForText(FloatPoint(localOrigin.x(), localOrigin.y() + 2 * baseline / 3), width, isPrinting);
- if (decorationStyle == TextDecorationStyleDouble)
- context.drawLineForText(FloatPoint(localOrigin.x(), localOrigin.y() + doubleOffset + 2 * baseline / 3), width, isPrinting);
+ context.drawLineForText(FloatPoint(localOrigin.x(), localOrigin.y() + 2 * baseline / 3), width, isPrinting, decorationStyle == TextDecorationStyleDouble);
}
}
} while (shadow);
git://git.webkit.org / WebKit-https.git / commitdiff