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1 |
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2 /* |
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3 * Copyright 2006 The Android Open Source Project |
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4 * |
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5 * Use of this source code is governed by a BSD-style license that can be |
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6 * found in the LICENSE file. |
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7 */ |
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8 |
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9 |
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10 #ifndef SkDisplayAdd_DEFINED |
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11 #define SkDisplayAdd_DEFINED |
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12 |
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13 #include "SkDrawable.h" |
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14 #include "SkMemberInfo.h" |
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15 |
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16 class SkAdd : public SkDrawable { |
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17 DECLARE_MEMBER_INFO(Add); |
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18 SkAdd(); |
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19 |
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20 enum Mode { |
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21 kMode_indirect, |
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22 kMode_immediate |
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23 }; |
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24 |
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25 virtual SkDisplayable* deepCopy(SkAnimateMaker* ); |
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26 virtual bool draw(SkAnimateMaker& ); |
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27 #ifdef SK_DUMP_ENABLED |
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28 virtual void dump(SkAnimateMaker* ); |
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29 #endif |
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30 virtual bool enable(SkAnimateMaker& ); |
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31 virtual bool hasEnable() const; |
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32 virtual void initialize(); |
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33 virtual bool isDrawable() const; |
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34 protected: |
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35 // struct _A { |
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36 Mode mode; |
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37 int32_t offset; |
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38 SkDrawable* use; |
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39 SkDrawable* where; // if NULL, offset becomes index |
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40 // } A; |
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41 private: |
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42 typedef SkDrawable INHERITED; |
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43 }; |
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44 |
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45 class SkClear : public SkDisplayable { |
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46 virtual bool enable(SkAnimateMaker& ); |
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47 }; |
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48 |
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49 class SkMove : public SkAdd { |
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50 DECLARE_MEMBER_INFO(Move); |
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51 private: |
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52 typedef SkAdd INHERITED; |
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53 }; |
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54 |
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55 class SkRemove : public SkAdd { |
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56 DECLARE_MEMBER_INFO(Remove); |
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57 SkRemove(); |
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58 protected: |
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59 SkBool fDelete; |
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60 private: |
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61 friend class SkAdd; |
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62 typedef SkAdd INHERITED; |
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63 }; |
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64 |
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65 class SkReplace : public SkAdd { |
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66 DECLARE_MEMBER_INFO(Replace); |
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67 private: |
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68 typedef SkAdd INHERITED; |
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69 }; |
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70 |
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71 #endif // SkDisplayAdd_DEFINED |