grab from latest android

git-svn-id: http://skia.googlecode.com/svn/trunk@27 2bbb7eff-a529-9590-31e7-b0007b416f81

5 files changed, 305 insertions, 0 deletions

diff --git a/include/svg/SkSVGAttribute.h b/include/svg/SkSVGAttribute.h
new file mode 100644
index 0000000000..810d11c68e
--- /dev/null
+++ b/include/svg/SkSVGAttribute.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2006 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef SkSVGAttribute_DEFINED
+#define SkSVGAttribute_DEFINED
+
+#include "SkTypes.h"
+
+struct SkSVGAttribute {
+    const char* fName;
+#ifdef SK_DEBUG
+    size_t fOffset;
+#endif
+};
+
+#ifndef SK_OFFSETOF
+#define SK_OFFSETOF(a, b) (((size_t) (&(((a*) 1)->b)))-1)
+#endif
+
+#ifdef SK_DEBUG
+#define SVG_ATTRIBUTE(attr) { #attr, SK_OFFSETOF(BASE_CLASS, f_##attr) }
+#define SVG_LITERAL_ATTRIBUTE(svgAttr, cAttr) { #svgAttr, SK_OFFSETOF(BASE_CLASS, cAttr) }
+#else
+#define SVG_ATTRIBUTE(attr) { #attr }
+#define SVG_LITERAL_ATTRIBUTE(svgAttr, cAttr) { #svgAttr }
+#endif
+
+#define SVG_ADD_ATTRIBUTE(attr) \
+    if (f_##attr.size() > 0) \
+        parser._addAttributeLen(#attr, f_##attr.c_str(), f_##attr.size())
+
+#define SVG_ADD_ATTRIBUTE_ALIAS(attr, alias) \
+    if (f_##alias.size() > 0) \
+        parser._addAttributeLen(#attr, f_##alias.c_str(), f_##alias.size())
+
+#endif // SkSVGAttribute_DEFINED
diff --git a/include/svg/SkSVGBase.h b/include/svg/SkSVGBase.h
new file mode 100644
index 0000000000..4d24aed4ab
--- /dev/null
+++ b/include/svg/SkSVGBase.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2006 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef SkSVGBase_DEFINED
+#define SkSVGBase_DEFINED
+
+#include "SkSVGAttribute.h"
+
+class SkSVGParser;
+
+class SkSVGBase {
+public:
+    virtual ~SkSVGBase();
+    virtual void addAttribute(SkSVGParser& parser, int attrIndex, 
+        const char* attrValue, size_t attrLength);
+    virtual int getAttributes(const SkSVGAttribute** attrPtr) = 0;
+};
+
+#endif // SkSVGBase_DEFINEDes(const SkSVGAttribute** attrPtr) = 0;
+
diff --git a/include/svg/SkSVGPaintState.h b/include/svg/SkSVGPaintState.h
new file mode 100644
index 0000000000..f3f74e1753
--- /dev/null
+++ b/include/svg/SkSVGPaintState.h
@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2006 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef SkSVGPaintState_DEFINED
+#define SkSVGPaintState_DEFINED
+
+#include "SkSVGBase.h"
+#include "SkString.h"
+
+class SkSVGPaint : public SkSVGBase {
+public:
+    enum Field {
+        kInitial = -1,
+        kClipPath,
+        kClipRule,
+        kEnableBackground,
+        kFill,
+        kFillRule,
+        kFilter,
+        kFontFamily,
+        kFontSize,
+        kLetterSpacing,
+        kMask,
+        kOpacity,
+        kStopColor,
+        kStopOpacity,
+        kStroke,
+        kStroke_Dasharray,
+        kStroke_Linecap,
+        kStroke_Linejoin,
+        kStroke_Miterlimit,
+        kStroke_Width,
+        kStyle,
+        kTransform,
+        kTerminal
+    };
+
+    SkSVGPaint();
+    virtual void addAttribute(SkSVGParser& parser, int attrIndex, 
+        const char* attrValue, size_t attrLength);
+    bool flush(SkSVGParser& , bool isFlushable, bool isDef);
+    virtual int getAttributes(const SkSVGAttribute** attrPtr); 
+    static void Push(SkSVGPaint** head, SkSVGPaint* add);
+    static void Pop(SkSVGPaint** head);
+    SkString* operator[](int index);
+    SkString fInitial;
+    SkString f_clipPath;
+    SkString f_clipRule;
+    SkString f_enableBackground;
+    SkString f_fill;
+    SkString f_fillRule;
+    SkString f_filter;
+    SkString f_fontFamily;
+    SkString f_fontSize;
+    SkString f_letterSpacing;
+    SkString f_mask;
+    SkString f_opacity;
+    SkString f_stopColor;
+    SkString f_stopOpacity;
+    SkString f_stroke;
+    SkString f_strokeDasharray;
+    SkString f_strokeLinecap;
+    SkString f_strokeLinejoin;
+    SkString f_strokeMiterlimit;
+    SkString f_strokeWidth;
+    SkString f_style; // unused, but allows array access to the rest
+    SkString f_transform;
+#ifdef SK_DEBUG
+    SkString fTerminal;
+#endif
+    SkString fTransformID;
+    static SkSVGAttribute gAttributes[];
+    static const int kAttributesSize;
+private:
+    void setSave(SkSVGParser& );
+    bool writeChangedAttributes(SkSVGParser& , SkSVGPaint& , bool* changed);
+    bool writeChangedElements(SkSVGParser& , SkSVGPaint& , bool* changed);
+    SkSVGPaint* fNext;
+    friend class SkSVGParser;
+    typedef SkSVGPaint BASE_CLASS;
+};
+
+#endif // SkSVGPaintState_DEFINED
diff --git a/include/svg/SkSVGParser.h b/include/svg/SkSVGParser.h
new file mode 100644
index 0000000000..86ae4c28d9
--- /dev/null
+++ b/include/svg/SkSVGParser.h
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2006 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef SkSVGParser_DEFINED
+#define SkSVGParser_DEFINED
+
+#include "SkMatrix.h"
+#include "SkTDict.h"
+#include "SkTDStack.h"
+#include "SkSVGPaintState.h"
+#include "SkSVGTypes.h"
+#include "SkStream.h"
+#include "SkString.h"
+#include "SkXMLParser.h"
+#include "SkXMLWriter.h"
+
+class SkSVGBase;
+class SkSVGElement;
+
+class SkSVGParser : public SkXMLParser {
+public:
+    SkSVGParser();
+    virtual ~SkSVGParser();
+    void _addAttribute(const char* attrName, const char* attrValue) {
+        fXMLWriter.addAttribute(attrName, attrValue); }
+    void _addAttribute(const char* attrName, SkString& attrValue) {
+        fXMLWriter.addAttribute(attrName, attrValue.c_str()); }
+    void _addAttributeLen(const char* attrName, const char* attrValue, size_t len) {
+        fXMLWriter.addAttributeLen(attrName, attrValue, len); }
+    void _endElement() { fXMLWriter.endElement(); }
+    int findAttribute(SkSVGBase* , const char* attrValue, size_t len, bool isPaint);
+    const char* getFinal();
+    SkTDict<SkSVGElement*>& getIDs() { return fIDs; }
+    SkString& getPaintLast(SkSVGPaint::Field field);
+    void _startElement(const char name[]) { fXMLWriter.startElement(name); }
+    void translate(SkSVGElement*, bool isDef);
+    void translateMatrix(SkString& , SkString* id);
+    static void ConvertToArray(SkString& vals);
+protected:
+    virtual bool onAddAttribute(const char name[], const char value[]);
+    bool onAddAttributeLen(const char name[], const char value[], size_t len);
+    virtual bool onEndElement(const char elem[]);
+    virtual bool onStartElement(const char elem[]);
+    bool onStartElementLen(const char elem[], size_t len);
+    virtual bool onText(const char text[], int len);
+private:
+    bool isStrokeAndFill(SkSVGPaint** stroke, SkSVGPaint** fill);
+    static SkSVGElement* CreateElement(SkSVGTypes type, SkSVGElement* parent);
+    static void Delete(SkTDArray<SkSVGElement*>& fChildren);
+    static SkSVGTypes GetType(const char name[], size_t len);
+    SkSVGPaint* fHead;
+    SkSVGPaint fEmptyPaint; 
+    SkSVGPaint fLastFlush;
+    SkString fLastColor;
+    SkMatrix fLastTransform;
+    SkTDArray<SkSVGElement*> fChildren;
+    SkTDict<SkSVGElement*> fIDs;
+    SkTDArray<SkSVGElement*> fParents;
+    SkDynamicMemoryWStream fStream;
+    SkXMLStreamWriter fXMLWriter;
+    SkSVGElement*   fCurrElement;
+    SkBool8 fInSVG;
+    SkBool8 fSuppressPaint;
+    friend class SkSVGPaint;
+    friend class SkSVGGradient;
+};
+
+#endif // SkSVGParser_DEFINED
diff --git a/include/svg/SkSVGTypes.h b/include/svg/SkSVGTypes.h
new file mode 100644
index 0000000000..38d63cec1c
--- /dev/null
+++ b/include/svg/SkSVGTypes.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2006 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef SkSVGTypes_DEFINED
+#define SkSVGTypes_DEFINED
+
+enum SkSVGTypes {
+    SkSVGType_Circle,
+    SkSVGType_ClipPath,
+    SkSVGType_Defs,
+    SkSVGType_Ellipse,
+    SkSVGType_FeColorMatrix,
+    SkSVGType_Filter,
+    SkSVGType_G,
+    SkSVGType_Image,
+    SkSVGType_Line,
+    SkSVGType_LinearGradient,
+    SkSVGType_Mask,
+    SkSVGType_Metadata,
+    SkSVGType_Path,
+    SkSVGType_Polygon,
+    SkSVGType_Polyline,
+    SkSVGType_RadialGradient,
+    SkSVGType_Rect,
+    SkSVGType_SVG,
+    SkSVGType_Stop,
+    SkSVGType_Symbol,
+    SkSVGType_Text,
+    SkSVGType_Tspan,
+    SkSVGType_Use
+};
+
+#endif // SkSVGTypes_DEFINED