auto import from //depot/cupcake/@135843

1 files changed, 0 insertions, 535 deletions

diff --git a/WebCore/rendering/SVGCharacterLayoutInfo.cpp b/WebCore/rendering/SVGCharacterLayoutInfo.cpp
deleted file mode 100644
index 287aeac..0000000
--- a/WebCore/rendering/SVGCharacterLayoutInfo.cpp
+++ /dev/null
@@ -1,535 +0,0 @@
-/*
- * This file is part of the WebKit project.
- *
- * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- *
- */
-
-#include "config.h"
-
-#if ENABLE(SVG)
-#include "SVGCharacterLayoutInfo.h"
-
-#include "InlineFlowBox.h"
-#include "InlineTextBox.h"
-#include "SVGLengthList.h"
-#include "SVGNumberList.h"
-#include "SVGTextPositioningElement.h"
-#include "RenderSVGTextPath.h"
-
-#include <float.h>
-
-namespace WebCore {
-
-// Helper function
-static float calculateBaselineShift(RenderObject* item)
-{
-    const Font& font = item->style()->font();
-    const SVGRenderStyle* svgStyle = item->style()->svgStyle();
-
-    float baselineShift = 0.0f;
-    if (svgStyle->baselineShift() == BS_LENGTH) {
-        CSSPrimitiveValue* primitive = static_cast<CSSPrimitiveValue*>(svgStyle->baselineShiftValue());
-        baselineShift = primitive->getFloatValue();
-
-        if (primitive->primitiveType() == CSSPrimitiveValue::CSS_PERCENTAGE)
-            baselineShift = baselineShift / 100.0f * font.pixelSize();
-    } else {
-        float baselineAscent = font.ascent() + font.descent();
-
-        switch (svgStyle->baselineShift()) {
-        case BS_BASELINE:
-            break;
-        case BS_SUB:
-            baselineShift = -baselineAscent / 2.0f;
-            break;
-        case BS_SUPER:
-            baselineShift = baselineAscent / 2.0f;
-            break;
-        default:
-            ASSERT_NOT_REACHED();
-        }
-    }
-
-    return baselineShift;
-}
-
-SVGCharacterLayoutInfo::SVGCharacterLayoutInfo(Vector<SVGChar>& chars)
-    : curx(0.0f)
-    , cury(0.0f)
-    , angle(0.0f)
-    , dx(0.0f)
-    , dy(0.0f)
-    , shiftx(0.0f)
-    , shifty(0.0f)
-    , pathExtraAdvance(0.0f)
-    , pathTextLength(0.0f)
-    , pathChunkLength(0.0f)
-    , svgChars(chars)
-    , nextDrawnSeperated(false)
-    , xStackChanged(false)
-    , yStackChanged(false)
-    , dxStackChanged(false)
-    , dyStackChanged(false)
-    , angleStackChanged(false)
-    , baselineShiftStackChanged(false)
-    , pathLayout(false)
-    , currentOffset(0.0f)
-    , startOffset(0.0f)
-    , layoutPathLength(0.0f)
-{
-}
-
-bool SVGCharacterLayoutInfo::xValueAvailable() const
-{
-    return xStack.isEmpty() ? false : xStack.last().position() < xStack.last().size();
-}
-
-bool SVGCharacterLayoutInfo::yValueAvailable() const
-{
-    return yStack.isEmpty() ? false : yStack.last().position() < yStack.last().size();
-}
-
-bool SVGCharacterLayoutInfo::dxValueAvailable() const
-{
-    return dxStack.isEmpty() ? false : dxStack.last().position() < dxStack.last().size();
-}
-
-bool SVGCharacterLayoutInfo::dyValueAvailable() const
-{
-    return dyStack.isEmpty() ? false : dyStack.last().position() < dyStack.last().size();
-}
-
-bool SVGCharacterLayoutInfo::angleValueAvailable() const
-{
-    return angleStack.isEmpty() ? false : angleStack.last().position() < angleStack.last().size();
-}
-
-bool SVGCharacterLayoutInfo::baselineShiftValueAvailable() const
-{
-    return !baselineShiftStack.isEmpty();
-}
-
-float SVGCharacterLayoutInfo::xValueNext() const
-{
-    ASSERT(!xStack.isEmpty());
-    return xStack.last().valueAtCurrentPosition();
-}
-
-float SVGCharacterLayoutInfo::yValueNext() const
-{
-    ASSERT(!yStack.isEmpty());
-    return yStack.last().valueAtCurrentPosition();
-}
-
-float SVGCharacterLayoutInfo::dxValueNext() const
-{
-    ASSERT(!dxStack.isEmpty());
-    return dxStack.last().valueAtCurrentPosition();
-}
-
-float SVGCharacterLayoutInfo::dyValueNext() const
-{
-    ASSERT(!dyStack.isEmpty());
-    return dyStack.last().valueAtCurrentPosition();
-}
-
-float SVGCharacterLayoutInfo::angleValueNext() const
-{
-    ASSERT(!angleStack.isEmpty());
-    return angleStack.last().valueAtCurrentPosition();
-}
-
-float SVGCharacterLayoutInfo::baselineShiftValueNext() const
-{
-    ASSERT(!baselineShiftStack.isEmpty());
-    return baselineShiftStack.last();
-}
-
-void SVGCharacterLayoutInfo::processedSingleCharacter()
-{
-    xStackWalk();
-    yStackWalk();
-    dxStackWalk();
-    dyStackWalk();
-    angleStackWalk();
-    baselineShiftStackWalk();
-}
-
-void SVGCharacterLayoutInfo::processedChunk(float savedShiftX, float savedShiftY)
-{
-    // baseline-shift doesn't span across ancestors, unlike dx/dy.
-    curx += savedShiftX - shiftx;
-    cury += savedShiftY - shifty;
-
-    if (inPathLayout()) {
-        shiftx = savedShiftX;
-        shifty = savedShiftY;
-    }
-
-    // rotation also doesn't span
-    angle = 0.0f;
-
-    if (xStackChanged) {
-        ASSERT(!xStack.isEmpty());
-        xStack.removeLast();
-        xStackChanged = false;
-    }
-
-    if (yStackChanged) {
-        ASSERT(!yStack.isEmpty());
-        yStack.removeLast();
-        yStackChanged = false;
-    }
-
-    if (dxStackChanged) {
-        ASSERT(!dxStack.isEmpty());
-        dxStack.removeLast();
-        dxStackChanged = false;
-    }
-
-    if (dyStackChanged) {
-        ASSERT(!dyStack.isEmpty());
-        dyStack.removeLast();
-        dyStackChanged = false;
-    }
-
-    if (angleStackChanged) {
-        ASSERT(!angleStack.isEmpty());
-        angleStack.removeLast();
-        angleStackChanged = false;
-    }
-
-    if (baselineShiftStackChanged) {
-        ASSERT(!baselineShiftStack.isEmpty());
-        baselineShiftStack.removeLast();
-        baselineShiftStackChanged = false;
-    }
-}
-
-bool SVGCharacterLayoutInfo::nextPathLayoutPointAndAngle(float glyphAdvance, float extraAdvance, float newOffset)
-{
-    if (layoutPathLength <= 0.0f)
-        return false;
-
-    if (newOffset != FLT_MIN)
-        currentOffset = startOffset + newOffset;
-
-    // Respect translation along path (extraAdvance is orthogonal to the path)
-    currentOffset += extraAdvance;
-
-    float offset = currentOffset + glyphAdvance / 2.0f;
-    currentOffset += glyphAdvance + pathExtraAdvance;
-
-    if (offset < 0.0f || offset > layoutPathLength)
-        return false;
-
-    bool ok = false; 
-    FloatPoint point = layoutPath.pointAtLength(offset, ok);
-    ASSERT(ok);
-
-    curx = point.x();
-    cury = point.y();
-
-    angle = layoutPath.normalAngleAtLength(offset, ok);
-    ASSERT(ok);
-
-    // fprintf(stderr, "t: %f, x: %f, y: %f, angle: %f, glyphAdvance: %f\n", currentOffset, x, y, angle, glyphAdvance);
-    return true;
-}
-
-bool SVGCharacterLayoutInfo::inPathLayout() const
-{
-    return pathLayout;
-}
-
-void SVGCharacterLayoutInfo::setInPathLayout(bool value)
-{
-    pathLayout = value;
-
-    pathExtraAdvance = 0.0f;
-    pathTextLength = 0.0f;
-    pathChunkLength = 0.0f;
-}
-
-void SVGCharacterLayoutInfo::addLayoutInformation(InlineFlowBox* flowBox, float textAnchorStartOffset)
-{
-    bool isInitialLayout = xStack.isEmpty() && yStack.isEmpty() &&
-                           dxStack.isEmpty() && dyStack.isEmpty() &&
-                           angleStack.isEmpty() && baselineShiftStack.isEmpty() &&
-                           curx == 0.0f && cury == 0.0f;
-
-    RenderSVGTextPath* textPath = static_cast<RenderSVGTextPath*>(flowBox->object());
-    Path path = textPath->layoutPath();
-
-    float baselineShift = calculateBaselineShift(textPath);
-
-    layoutPath = path;
-    layoutPathLength = path.length();
-
-    if (layoutPathLength <= 0.0f)
-        return;
-
-    startOffset = textPath->startOffset();
-
-    if (textPath->startOffset() >= 0.0f && textPath->startOffset() <= 1.0f)
-        startOffset *= layoutPathLength;
-
-    startOffset += textAnchorStartOffset;
-    currentOffset = startOffset;
-
-    // Only baseline-shift is handled through the normal layout system
-    addStackContent(BaselineShiftStack, baselineShift);
-
-    if (isInitialLayout) {
-        xStackChanged = false;
-        yStackChanged = false;
-        dxStackChanged = false;
-        dyStackChanged = false;
-        angleStackChanged = false;
-        baselineShiftStackChanged = false;
-    }
-}
-
-void SVGCharacterLayoutInfo::addLayoutInformation(SVGTextPositioningElement* element)
-{
-    bool isInitialLayout = xStack.isEmpty() && yStack.isEmpty() &&
-                           dxStack.isEmpty() && dyStack.isEmpty() &&
-                           angleStack.isEmpty() && baselineShiftStack.isEmpty() &&
-                           curx == 0.0f && cury == 0.0f;
-
-    float baselineShift = calculateBaselineShift(element->renderer());
-
-    addStackContent(XStack, element->x(), element);
-    addStackContent(YStack, element->y(), element);
-    addStackContent(DxStack, element->dx(), element);
-    addStackContent(DyStack, element->dy(), element);
-    addStackContent(AngleStack, element->rotate());
-    addStackContent(BaselineShiftStack, baselineShift);
-
-    if (isInitialLayout) {
-        xStackChanged = false;
-        yStackChanged = false;
-        dxStackChanged = false;
-        dyStackChanged = false;
-        angleStackChanged = false;
-        baselineShiftStackChanged = false;
-    }
-}
-
-void SVGCharacterLayoutInfo::addStackContent(StackType type, SVGNumberList* list)
-{
-    unsigned length = list->numberOfItems();
-    if (!length)
-        return;
-
-    PositionedFloatVector newLayoutInfo;
-
-    // TODO: Convert more efficiently!
-    ExceptionCode ec = 0;
-    for (unsigned i = 0; i < length; ++i) {
-        float value = list->getItem(i, ec);
-        ASSERT(ec == 0);
-
-        newLayoutInfo.append(value);
-    }
-
-    addStackContent(type, newLayoutInfo);
-}
-
-void SVGCharacterLayoutInfo::addStackContent(StackType type, SVGLengthList* list, const SVGElement* context)
-{
-    unsigned length = list->numberOfItems();
-    if (!length)
-        return;
-
-    PositionedFloatVector newLayoutInfo;
-
-    ExceptionCode ec = 0;
-    for (unsigned i = 0; i < length; ++i) {
-        float value = list->getItem(i, ec).value(context);
-        ASSERT(ec == 0);
-
-        newLayoutInfo.append(value);
-    }
-
-    addStackContent(type, newLayoutInfo);
-}
-
-void SVGCharacterLayoutInfo::addStackContent(StackType type, const PositionedFloatVector& list)
-{
-    switch (type) {
-    case XStack:
-        xStackChanged = true;
-        xStack.append(list);
-        break;
-    case YStack:
-        yStackChanged = true;
-        yStack.append(list);
-        break;
-    case DxStack:
-        dxStackChanged = true;
-        dxStack.append(list);
-        break;
-    case DyStack:
-        dyStackChanged = true;
-        dyStack.append(list);
-        break;
-   case AngleStack:
-        angleStackChanged = true;
-        angleStack.append(list);
-        break; 
-   default:
-        ASSERT_NOT_REACHED();
-    }
-}
-
-void SVGCharacterLayoutInfo::addStackContent(StackType type, float value)
-{
-    if (value == 0.0f)
-        return;
-
-    switch (type) {
-    case BaselineShiftStack:
-        baselineShiftStackChanged = true;
-        baselineShiftStack.append(value);
-        break;
-    default:
-        ASSERT_NOT_REACHED();
-    }
-}
-
-void SVGCharacterLayoutInfo::xStackWalk()
-{
-    unsigned i = 1;
-
-    while (!xStack.isEmpty()) {
-        PositionedFloatVector& cur = xStack.last();
-        if (i + cur.position() < cur.size()) {
-            cur.advance(i);
-            break;
-        }
-
-        i += cur.position();
-        xStack.removeLast();
-        xStackChanged = false;
-    }
-}
-
-void SVGCharacterLayoutInfo::yStackWalk()
-{
-    unsigned i = 1;
-
-    while (!yStack.isEmpty()) {
-        PositionedFloatVector& cur = yStack.last();
-        if (i + cur.position() < cur.size()) {
-            cur.advance(i);
-            break;
-        }
-
-        i += cur.position();
-        yStack.removeLast();
-        yStackChanged = false;
-    }
-}
-
-void SVGCharacterLayoutInfo::dxStackWalk()
-{
-    unsigned i = 1;
-
-    while (!dxStack.isEmpty()) {
-        PositionedFloatVector& cur = dxStack.last();
-        if (i + cur.position() < cur.size()) {
-            cur.advance(i);
-            break;
-        }
-
-        i += cur.position();
-        dxStack.removeLast();
-        dxStackChanged = false;
-    }
-}
-
-void SVGCharacterLayoutInfo::dyStackWalk()
-{
-    unsigned i = 1;
-
-    while (!dyStack.isEmpty()) {
-        PositionedFloatVector& cur = dyStack.last();
-        if (i + cur.position() < cur.size()) {
-            cur.advance(i);
-            break;
-        }
-
-        i += cur.position();
-        dyStack.removeLast();
-        dyStackChanged = false;
-    }
-}
-
-void SVGCharacterLayoutInfo::angleStackWalk()
-{
-    unsigned i = 1;
-
-    while (!angleStack.isEmpty()) {
-        PositionedFloatVector& cur = angleStack.last();
-        if (i + cur.position() < cur.size()) {
-            cur.advance(i);
-            break;
-        }
-
-        i += cur.position();
-        angleStack.removeLast();
-        angleStackChanged = false;
-    }
-}
-
-void SVGCharacterLayoutInfo::baselineShiftStackWalk()
-{
-    if (!baselineShiftStack.isEmpty()) {
-        baselineShiftStack.removeLast();
-        baselineShiftStackChanged = false;
-    }
-}
-
-bool SVGChar::isHidden() const
-{
-    return pathData && pathData->hidden;
-}
-
-AffineTransform SVGChar::characterTransform() const
-{
-    AffineTransform ctm;
-
-    // Rotate character around angle, and possibly scale.
-    ctm.translate(x, y);
-    ctm.rotate(angle);
-
-    if (pathData) {
-        ctm.scale(pathData->xScale, pathData->yScale);
-        ctm.translate(pathData->xShift, pathData->yShift);
-        ctm.rotate(pathData->orientationAngle);
-    }
-
-    ctm.translate(orientationShiftX - x, orientationShiftY - y);
-    return ctm;
-}
-
-} // namespace WebCore
-
-#endif // ENABLE(SVG)