1 
2 /*
3  * Copyright 2006 The Android Open Source Project
4  *
5  * Use of this source code is governed by a BSD-style license that can be
6  * found in the LICENSE file.
7  */
8 
9 
10 #ifndef SkDisplayType_DEFINED
11 #define SkDisplayType_DEFINED
12 
13 #include "SkMath.h"
14 #include "SkScalar.h"
15 
16 #ifdef SK_DEBUG
17     #define SK_DUMP_ENABLED
18     #ifdef SK_BUILD_FOR_MAC
19         #define SK_FIND_LEAKS
20     #endif
21 #endif
22 
23 #define SK_LITERAL_STR_EQUAL(str, token, len) (sizeof(str) - 1 == len \
24     && strncmp(str, token, sizeof(str) - 1) == 0)
25 
26 class SkAnimateMaker;
27 class SkDisplayable;
28 struct SkMemberInfo;
29 
30 enum SkDisplayTypes {
31     SkType_Unknown,
32     SkType_Math, // for ecmascript compatible Math functions and constants
33     SkType_Number,  // for for ecmascript compatible Number functions and constants
34     SkType_Add,
35     SkType_AddCircle,
36     SkType_AddGeom,
37     SkType_AddMode,
38     SkType_AddOval,
39     SkType_AddPath,
40     SkType_AddRect, // path part
41     SkType_AddRoundRect,
42     SkType_Align,
43     SkType_Animate,
44     SkType_AnimateBase, // base type for animate, set
45     SkType_Apply,
46     SkType_ApplyMode,
47     SkType_ApplyTransition,
48     SkType_Array,
49     SkType_ARGB,
50     SkType_Base64,
51     SkType_BaseBitmap,
52     SkType_BaseClassInfo,
53     SkType_Bitmap,
54     SkType_BitmapEncoding,
55     SkType_BitmapFormat,
56     SkType_BitmapShader,
57     SkType_Blur,
58     SkType_Boolean, // can have values -1 (uninitialized), 0, 1
59     SkType_Boundable,
60     SkType_Bounds,
61     SkType_Cap,
62     SkType_Clear,
63     SkType_Clip,
64     SkType_Close,
65     SkType_Color,
66     SkType_CubicTo,
67     SkType_Dash,
68     SkType_DataInput,
69     SkType_Discrete,
70     SkType_Displayable,
71     SkType_Drawable,
72     SkType_DrawTo,
73     SkType_Dump,
74     SkType_DynamicString,   // evaluate at draw time
75     SkType_Emboss,
76     SkType_Event,
77     SkType_EventCode,
78     SkType_EventKind,
79     SkType_EventMode,
80     SkType_FillType,
81     SkType_FilterType,
82     SkType_Float,
83     SkType_FontStyle,
84     SkType_FromPath,
85     SkType_FromPathMode,
86     SkType_Full,
87     SkType_DrawGradient,
88     SkType_Group,
89     SkType_HitClear,
90     SkType_HitTest,
91     SkType_ImageBaseBitmap,
92     SkType_Include,
93     SkType_Input,
94     SkType_Int,
95     SkType_Join,
96     SkType_Line, // simple line primitive
97     SkType_LineTo, // used as part of path construction
98     SkType_DrawLinearGradient,
99     SkType_MaskFilter,
100     SkType_MaskFilterBlurStyle,
101     SkType_MaskFilterLight,
102     SkType_Matrix,
103     SkType_MemberFunction,
104     SkType_MemberProperty,
105     SkType_Move,
106     SkType_MoveTo,
107     SkType_Movie,
108     SkType_MSec,
109     SkType_Oval,
110     SkType_Paint,
111     SkType_Path,
112     SkType_PathDirection,
113     SkType_PathEffect,
114     SkType_Point,   // used inside other structures, no vtable
115     SkType_DrawPoint, // used to draw points, has a vtable
116     SkType_PolyToPoly,
117     SkType_Polygon,
118     SkType_Polyline,
119     SkType_Post,
120     SkType_QuadTo,
121     SkType_RCubicTo,
122     SkType_RLineTo,
123     SkType_RMoveTo,
124     SkType_RQuadTo,
125     SkType_DrawRadialGradient,
126     SkType_Random,
127     SkType_Rect,
128     SkType_RectToRect,
129     SkType_Remove,
130     SkType_Replace,
131     SkType_Rotate,
132     SkType_RoundRect,
133     SkType_Save,
134     SkType_SaveLayer,
135     SkType_Scale,
136     SkType_Screenplay,
137     SkType_Set,
138     SkType_Shader,
139     SkType_Skew,
140     SkType_3D_Camera,
141     SkType_3D_Patch,
142     SkType_3D_Point,
143     SkType_Snapshot,
144     SkType_String,  // pointer to SkString
145     SkType_Style,
146     SkType_Text,
147     SkType_TextBox,
148     SkType_TextBoxAlign,
149     SkType_TextBoxMode,
150     SkType_TextOnPath,
151     SkType_TextToPath,
152     SkType_TileMode,
153     SkType_Translate,
154     SkType_TransparentShader,
155     SkType_Typeface,
156     SkType_Xfermode,
157     kNumberOfTypes
158 };
159 
160 struct TypeNames {
161     const char* fName;
162     SkDisplayTypes fType;
163 #if defined SK_DEBUG || defined SK_BUILD_CONDENSED
164     bool fDrawPrefix;
165     bool fDisplayPrefix;
166 #endif
167 };
168 
169 #ifdef SK_DEBUG
170 typedef SkDisplayTypes SkFunctionParamType;
171 #else
172 typedef unsigned char SkFunctionParamType;
173 #endif
174 
175 extern const TypeNames gTypeNames[];
176 extern const int kTypeNamesSize;
177 
178 class SkDisplayType {
179 public:
180     static SkDisplayTypes Find(SkAnimateMaker* , const SkMemberInfo* );
181     static const SkMemberInfo* GetMember(SkAnimateMaker* , SkDisplayTypes , const char** );
182     static const SkMemberInfo* GetMembers(SkAnimateMaker* , SkDisplayTypes , int* infoCountPtr);
183     static SkDisplayTypes GetParent(SkAnimateMaker* , SkDisplayTypes );
184     static bool IsDisplayable(SkAnimateMaker* , SkDisplayTypes );
185     static bool IsEnum(SkAnimateMaker* , SkDisplayTypes );
186     static bool IsStruct(SkAnimateMaker* , SkDisplayTypes );
187     static SkDisplayTypes RegisterNewType();
188     static SkDisplayTypes Resolve(const char[] , const SkMemberInfo** );
189 #ifdef SK_DEBUG
IsAnimate(SkDisplayTypes type)190     static bool IsAnimate(SkDisplayTypes type ) { return type == SkType_Animate ||
191         type == SkType_Set; }
192     static const char* GetName(SkAnimateMaker* , SkDisplayTypes );
193 #endif
194 #ifdef SK_SUPPORT_UNITTEST
195     static void UnitTest();
196 #endif
197 #if defined SK_DEBUG || defined SK_BUILD_CONDENSED
198     static void BuildCondensedInfo(SkAnimateMaker* );
199 #endif
200     static SkDisplayTypes GetType(SkAnimateMaker* , const char[] , size_t len);
201     static SkDisplayable* CreateInstance(SkAnimateMaker* , SkDisplayTypes );
202 private:
203     static SkDisplayTypes gNewTypes;
204 };
205 
206 #endif // SkDisplayType_DEFINED
207