Delete the legacy SVG parser

src/svg/parser/SkSVGGradient.cpp

-/*
- * Copyright 2006 The Android Open Source Project
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-
-#include "SkSVGGradient.h"
-#include "SkSVGParser.h"
-#include "SkSVGStop.h"
-
-SkSVGGradient::SkSVGGradient() {
-}
-
-SkSVGElement* SkSVGGradient::getGradient() {
-    return this;
-}
-
-bool SkSVGGradient::isDef() {
-    return true;
-}
-
-bool SkSVGGradient::isNotDef() {
-    return false;
-}
-
-void SkSVGGradient::translate(SkSVGParser& parser, bool defState) {
-    INHERITED::translate(parser, defState);
-    // !!! no support for 'objectBoundingBox' yet
-    bool first = true;
-    bool addedFirst = false;
-    bool addedLast = false;
-    SkString offsets("[");
-    SkString* lastOffset = nullptr;
-    for (SkSVGElement** ptr = fChildren.begin(); ptr < fChildren.end(); ptr++) {
-        SkASSERT((*ptr)->getType() == SkSVGType_Stop);
-        SkSVGStop* stop = (SkSVGStop*) *ptr;
-        if (first && stop->f_offset.equals("0") == false) {
-            addedFirst = true;
-            offsets.append("0,");
-        }
-        SkString* thisOffset = &stop->f_offset;
-        if (lastOffset && thisOffset->equals(*lastOffset)) {
-            if (thisOffset->equals("1")) {
-                offsets.remove(offsets.size() - 2, 2);
-                offsets.append(".999,");
-            } else {
-                SkASSERT(0); // !!! need to write this case
-            }
-        }
-        offsets.append(*thisOffset);
-        if (ptr == fChildren.end() - 1) { // last
-            if (stop->f_offset.equals("1") == false) {
-                offsets.append(",1");
-                addedLast = true;
-            }
-        } else
-            offsets.appendUnichar(',');
-        first = false;
-        lastOffset = thisOffset;
-    }
-    offsets.appendUnichar(']');
-    parser._addAttribute("offsets", offsets);
-    if (addedFirst)
-        parser.translate(*fChildren.begin(), defState);
-    for (SkSVGElement** ptr = fChildren.begin(); ptr < fChildren.end(); ptr++)
-        parser.translate(*ptr, defState);
-    if (addedLast)
-        parser.translate(*(fChildren.end() - 1), defState);
-}
-
-void SkSVGGradient::translateGradientUnits(SkString& units) {
-    // !!! no support for 'objectBoundingBox' yet
-    SkASSERT(strcmp(units.c_str(), "userSpaceOnUse") == 0);
-}
-
-void SkSVGGradient::write(SkSVGParser& parser, SkString& baseColor) {
-    if (baseColor.c_str()[0] != '#')
-        return;
-    SkSVGPaint* saveHead = parser.fHead;
-    parser.fHead = &fPaintState;
-    parser.fSuppressPaint = true;
-    SkString originalID(f_id);
-    f_id.set("mask"); // write out gradient named given name + color (less initial #)
-    f_id.append(baseColor.c_str() + 1);
-    SkString originalColors;
-    for (SkSVGElement** ptr = fChildren.begin(); ptr < fChildren.end(); ptr++) {
-        SkSVGStop* colorElement = (SkSVGStop*) *ptr;
-        SkString& color = colorElement->fPaintState.f_stopColor;
-        originalColors.append(color);
-        originalColors.appendUnichar(',');
-        SkASSERT(color.c_str()[0] == '#');
-        SkString replacement;
-        replacement.set("0x");
-        replacement.append(color.c_str() + 1, 2); // add stop colors using given color, turning existing stop color into alpha
-        SkASSERT(baseColor.c_str()[0] == '#');
-        SkASSERT(baseColor.size() == 7);
-        replacement.append(baseColor.c_str() + 1);
-        color.set(replacement);
-    }
-    translate(parser, true);
-    const char* originalPtr = originalColors.c_str(); // restore original gradient values
-    for (SkSVGElement** ptr = fChildren.begin(); ptr < fChildren.end(); ptr++) {
-        SkSVGStop* color = (SkSVGStop*) *ptr;
-        const char* originalEnd = strchr(originalPtr, ',');
-        color->fPaintState.f_stopColor.set(originalPtr, originalEnd - originalPtr);
-        originalPtr = originalEnd + 1;
-    }
-    f_id.set(originalID);
-    parser.fSuppressPaint = false;
-    parser.fHead = saveHead;
-}