1 files changed, 0 insertions, 375 deletions
diff --git a/WebCore/rendering/SVGTextLayoutUtilities.cpp b/WebCore/rendering/SVGTextLayoutUtilities.cpp
deleted file mode 100644
index 2debf28..0000000
--- a/WebCore/rendering/SVGTextLayoutUtilities.cpp
+++ /dev/null
@@ -1,375 +0,0 @@
-/*
-    Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
-    Copyright (C) Research In Motion Limited 2010. All rights reserved.
-
-    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"
-#include "SVGTextLayoutUtilities.h"
-
-#if ENABLE(SVG)
-#include "FloatPoint.h"
-#include "InlineTextBox.h"
-#include "RenderObject.h"
-#include "SVGCharacterData.h"
-#include "SVGCharacterLayoutInfo.h"
-#include "SVGFontElement.h"
-#include "SVGRenderStyle.h"
-#include "SVGTextChunkLayoutInfo.h"
-#include "TextRun.h"
-#include "UnicodeRange.h"
-
-#include <float.h>
-
-namespace WebCore {
-
-bool isVerticalWritingMode(const SVGRenderStyle* style)
-{
-    return style->writingMode() == WM_TBRL || style->writingMode() == WM_TB; 
-}
-
-static inline EAlignmentBaseline dominantBaselineToShift(bool isVerticalText, const RenderObject* text, const Font& font)
-{
-    ASSERT(text);
-
-    const SVGRenderStyle* style = text->style() ? text->style()->svgStyle() : 0;
-    ASSERT(style);
-
-    const SVGRenderStyle* parentStyle = text->parent() && text->parent()->style() ? text->parent()->style()->svgStyle() : 0;
-
-    EDominantBaseline baseline = style->dominantBaseline();
-    if (baseline == DB_AUTO) {
-        if (isVerticalText)
-            baseline = DB_CENTRAL;
-        else
-            baseline = DB_ALPHABETIC;
-    }
-
-    switch (baseline) {
-    case DB_USE_SCRIPT:
-        // TODO: The dominant-baseline and the baseline-table components are set by
-        //       determining the predominant script of the character data content.
-        return AB_ALPHABETIC;
-    case DB_NO_CHANGE:
-        {
-            if (parentStyle)
-                return dominantBaselineToShift(isVerticalText, text->parent(), font);
-
-            ASSERT_NOT_REACHED();
-            return AB_AUTO;
-        }
-    case DB_RESET_SIZE:
-        {
-            if (parentStyle)
-                return dominantBaselineToShift(isVerticalText, text->parent(), font);
-
-            ASSERT_NOT_REACHED();
-            return AB_AUTO;    
-        }
-    case DB_IDEOGRAPHIC:
-        return AB_IDEOGRAPHIC;
-    case DB_ALPHABETIC:
-        return AB_ALPHABETIC;
-    case DB_HANGING:
-        return AB_HANGING;
-    case DB_MATHEMATICAL:
-        return AB_MATHEMATICAL;
-    case DB_CENTRAL:
-        return AB_CENTRAL;
-    case DB_MIDDLE:
-        return AB_MIDDLE;
-    case DB_TEXT_AFTER_EDGE:
-        return AB_TEXT_AFTER_EDGE;
-    case DB_TEXT_BEFORE_EDGE:
-        return AB_TEXT_BEFORE_EDGE;
-    default:
-        ASSERT_NOT_REACHED();
-        return AB_AUTO;
-    }
-}
-
-float alignmentBaselineToShift(bool isVerticalText, const RenderObject* text, const Font& font)
-{
-    ASSERT(text);
-
-    const SVGRenderStyle* style = text->style() ? text->style()->svgStyle() : 0;
-    ASSERT(style);
-
-    const SVGRenderStyle* parentStyle = text->parent() && text->parent()->style() ? text->parent()->style()->svgStyle() : 0;
-
-    EAlignmentBaseline baseline = style->alignmentBaseline();
-    if (baseline == AB_AUTO) {
-        if (parentStyle && style->dominantBaseline() == DB_AUTO)
-            baseline = dominantBaselineToShift(isVerticalText, text->parent(), font);
-        else
-            baseline = dominantBaselineToShift(isVerticalText, text, font);
-
-        ASSERT(baseline != AB_AUTO);    
-    }
-
-    // Note: http://wiki.apache.org/xmlgraphics-fop/LineLayout/AlignmentHandling
-    switch (baseline) {
-    case AB_BASELINE:
-        {
-            if (parentStyle)
-                return dominantBaselineToShift(isVerticalText, text->parent(), font);
-
-            return 0.0f;
-        }
-    case AB_BEFORE_EDGE:
-    case AB_TEXT_BEFORE_EDGE:
-        return font.ascent();
-    case AB_MIDDLE:
-        return font.xHeight() / 2.0f;
-    case AB_CENTRAL:
-        // Not needed, we're taking this into account already for vertical text!
-        // return (font.ascent() - font.descent()) / 2.0f;
-        return 0.0f;
-    case AB_AFTER_EDGE:
-    case AB_TEXT_AFTER_EDGE:
-    case AB_IDEOGRAPHIC:
-        return font.descent();
-    case AB_ALPHABETIC:
-        return 0.0f;
-    case AB_HANGING:
-        return font.ascent() * 8.0f / 10.0f;
-    case AB_MATHEMATICAL:
-        return font.ascent() / 2.0f;
-    default:
-        ASSERT_NOT_REACHED();
-        return 0.0f;
-    }
-}
-
-float glyphOrientationToAngle(const SVGRenderStyle* svgStyle, bool isVerticalText, const UChar& character)
-{
-    switch (isVerticalText ? svgStyle->glyphOrientationVertical() : svgStyle->glyphOrientationHorizontal()) {
-    case GO_AUTO:
-        {
-            // Spec: Fullwidth ideographic and fullwidth Latin text will be set with a glyph-orientation of 0-degrees.
-            // Text which is not fullwidth will be set with a glyph-orientation of 90-degrees.
-            unsigned int unicodeRange = findCharUnicodeRange(character);
-            if (unicodeRange == cRangeSetLatin || unicodeRange == cRangeArabic)
-                return 90.0f;
-
-            return 0.0f;
-        }
-    case GO_90DEG:
-        return 90.0f;
-    case GO_180DEG:
-        return 180.0f;
-    case GO_270DEG:
-        return 270.0f;
-    case GO_0DEG:
-    default:
-        return 0.0f;
-    }
-}
-
-static inline bool glyphOrientationIsMultiplyOf180Degrees(float orientationAngle)
-{
-    return fabsf(fmodf(orientationAngle, 180.0f)) == 0.0f;
-}
-
-float applyGlyphAdvanceAndShiftRespectingOrientation(bool isVerticalText, float orientationAngle, float glyphWidth, float glyphHeight, const Font& font, SVGChar& svgChar, float& xOrientationShift, float& yOrientationShift)
-{
-    bool orientationIsMultiplyOf180Degrees = glyphOrientationIsMultiplyOf180Degrees(orientationAngle);
-
-    // The function is based on spec requirements:
-    //
-    // Spec: If the 'glyph-orientation-horizontal' results in an orientation angle that is not a multiple of
-    // of 180 degrees, then the current text position is incremented according to the vertical metrics of the glyph.
-    //
-    // Spec: If if the 'glyph-orientation-vertical' results in an orientation angle that is not a multiple of
-    // 180 degrees,then the current text position is incremented according to the horizontal metrics of the glyph.
-
-    // vertical orientation handling
-    if (isVerticalText) {
-        if (orientationAngle == 0.0f) {
-            xOrientationShift = -glyphWidth / 2.0f;
-            yOrientationShift = font.ascent();
-        } else if (orientationAngle == 90.0f) {
-            xOrientationShift = -glyphHeight;
-            yOrientationShift = font.descent();
-            svgChar.orientationShiftY = -font.ascent();
-        } else if (orientationAngle == 270.0f) {
-            xOrientationShift = glyphHeight;
-            yOrientationShift = font.descent();
-            svgChar.orientationShiftX = -glyphWidth;
-            svgChar.orientationShiftY = -font.ascent();
-        } else if (orientationAngle == 180.0f) {
-            yOrientationShift = font.ascent();
-            svgChar.orientationShiftX = -glyphWidth / 2.0f;
-            svgChar.orientationShiftY = font.ascent() - font.descent();
-        }
-
-        // vertical advance calculation
-        if (orientationAngle != 0.0f && !orientationIsMultiplyOf180Degrees)
-            return glyphWidth;
-
-        return glyphHeight; 
-    }
-
-    // horizontal orientation handling
-    if (orientationAngle == 90.0f) {
-        xOrientationShift = glyphWidth / 2.0f;
-        yOrientationShift = -font.descent();
-        svgChar.orientationShiftX = -glyphWidth / 2.0f - font.descent(); 
-        svgChar.orientationShiftY = font.descent();
-    } else if (orientationAngle == 270.0f) {
-        xOrientationShift = -glyphWidth / 2.0f;
-        yOrientationShift = -font.descent();
-        svgChar.orientationShiftX = -glyphWidth / 2.0f + font.descent();
-        svgChar.orientationShiftY = glyphHeight;
-    } else if (orientationAngle == 180.0f) {
-        xOrientationShift = glyphWidth / 2.0f;
-        svgChar.orientationShiftX = -glyphWidth / 2.0f;
-        svgChar.orientationShiftY = font.ascent() - font.descent();
-    }
-
-    // horizontal advance calculation
-    if (orientationAngle != 0.0f && !orientationIsMultiplyOf180Degrees)
-        return glyphHeight;
-
-    return glyphWidth;
-}
-
-FloatPoint topLeftPositionOfCharacterRange(Vector<SVGChar>::iterator it, Vector<SVGChar>::iterator end)
-{
-    float lowX = FLT_MAX, lowY = FLT_MAX;
-    for (; it != end; ++it) {
-        if (it->isHidden())
-            continue;
-
-        float x = (*it).x;
-        float y = (*it).y;
-
-        if (x < lowX)
-            lowX = x;
-
-        if (y < lowY)
-            lowY = y;
-    }
-
-    return FloatPoint(lowX, lowY);
-}
-
-float cummulatedWidthOfInlineBoxCharacterRange(SVGInlineBoxCharacterRange& range)
-{
-    ASSERT(!range.isOpen());
-    ASSERT(range.isClosed());
-    ASSERT(range.box->isSVGInlineTextBox());
-
-    InlineTextBox* textBox = static_cast<InlineTextBox*>(range.box);
-    RenderText* text = textBox->textRenderer();
-    RenderStyle* style = text->style();
-    return style->font().floatWidth(svgTextRunForInlineTextBox(text->characters() + textBox->start() + range.startOffset, range.endOffset - range.startOffset, style, textBox));
-}
-
-float cummulatedHeightOfInlineBoxCharacterRange(SVGInlineBoxCharacterRange& range)
-{
-    ASSERT(!range.isOpen());
-    ASSERT(range.isClosed());
-    ASSERT(range.box->isSVGInlineTextBox());
-
-    InlineTextBox* textBox = static_cast<InlineTextBox*>(range.box);
-    return (range.endOffset - range.startOffset) * textBox->textRenderer()->style()->font().height();
-}
-
-TextRun svgTextRunForInlineTextBox(const UChar* characters, int length, const RenderStyle* style, const InlineTextBox* textBox)
-{
-    ASSERT(textBox);
-    ASSERT(style);
-
-    TextRun run(characters
-                , length
-                , false /* allowTabs */
-                , 0 /* xPos, only relevant with allowTabs=true */
-                , 0 /* padding, only relevant for justified text, not relevant for SVG */
-                , textBox->direction() == RTL
-                , textBox->m_dirOverride || style->visuallyOrdered() /* directionalOverride */);
-
-#if ENABLE(SVG_FONTS)
-    run.setReferencingRenderObject(textBox->textRenderer()->parent());
-#endif
-
-    // Disable any word/character rounding.
-    run.disableRoundingHacks();
-
-    // We handle letter & word spacing ourselves.
-    run.disableSpacing();
-    return run;
-}
-
-float calculateCSSKerning(SVGElement* context, const RenderStyle* style)
-{
-    const Font& font = style->font();
-    const SVGRenderStyle* svgStyle = style->svgStyle();
-
-    SVGLength kerningLength = svgStyle->kerning();
-    if (kerningLength.unitType() == LengthTypePercentage)
-        return kerningLength.valueAsPercentage() * font.pixelSize();
-
-    return kerningLength.value(context);
-}
-
-bool applySVGKerning(SVGCharacterLayoutInfo& info, const RenderStyle* style, SVGLastGlyphInfo& lastGlyph, const String& unicodeString, const String& glyphName, bool isVerticalText)
-{
-#if ENABLE(SVG_FONTS)
-    float kerning = 0.0f;
-
-    const Font& font = style->font();
-    if (!font.isSVGFont()) {
-        lastGlyph.isValid = false;
-        return false;
-    }
-
-    SVGFontElement* svgFont = font.svgFont();
-    ASSERT(svgFont);
-
-    if (lastGlyph.isValid) {
-        if (isVerticalText)
-            kerning = svgFont->verticalKerningForPairOfStringsAndGlyphs(lastGlyph.unicode, lastGlyph.glyphName, unicodeString, glyphName);
-        else
-            kerning = svgFont->horizontalKerningForPairOfStringsAndGlyphs(lastGlyph.unicode, lastGlyph.glyphName, unicodeString, glyphName);
-    }
-
-    lastGlyph.unicode = unicodeString;
-    lastGlyph.glyphName = glyphName;
-    lastGlyph.isValid = true;
-    kerning *= style->font().size() / style->font().primaryFont()->unitsPerEm();
-
-    if (kerning != 0.0f) {
-        if (isVerticalText)
-            info.cury -= kerning;
-        else
-            info.curx -= kerning;
-        return true;
-    }
-#else
-    UNUSED_PARAM(info);
-    UNUSED_PARAM(item);
-    UNUSED_PARAM(lastGlyph);
-    UNUSED_PARAM(unicodeString);
-    UNUSED_PARAM(glyphName);
-#endif
-    return false;
-}
-
-}
-
-#endif