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1 /* |
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2 * Copyright 2008, The Android Open Source Project |
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3 * |
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4 * Redistribution and use in source and binary forms, with or without |
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5 * modification, are permitted provided that the following conditions |
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6 * are met: |
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7 * * Redistributions of source code must retain the above copyright |
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8 * notice, this list of conditions and the following disclaimer. |
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9 * * Redistributions in binary form must reproduce the above copyright |
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10 * notice, this list of conditions and the following disclaimer in the |
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11 * documentation and/or other materials provided with the distribution. |
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12 * |
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13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY |
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14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
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17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
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21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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24 */ |
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25 |
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26 // must include config.h first for webkit to fiddle with new/delete |
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27 #include "SkANP.h" |
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28 #include "SkFontHost.h" |
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29 #include "SkStream.h" |
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30 |
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31 static ANPTypeface* anp_createFromName(const char name[], ANPTypefaceStyle s) { |
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32 SkTypeface* tf = SkTypeface::CreateFromName(name, |
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33 static_cast<SkTypeface::Style>(s)); |
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34 return reinterpret_cast<ANPTypeface*>(tf); |
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35 } |
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36 |
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37 static ANPTypeface* anp_createFromTypeface(const ANPTypeface* family, |
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38 ANPTypefaceStyle s) { |
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39 SkTypeface* tf = SkTypeface::CreateFromTypeface(family, |
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40 static_cast<SkTypeface::Style>(s)); |
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41 return reinterpret_cast<ANPTypeface*>(tf); |
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42 } |
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43 |
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44 static int32_t anp_getRefCount(const ANPTypeface* tf) { |
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45 return tf ? tf->getRefCnt() : 0; |
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46 } |
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47 |
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48 static void anp_ref(ANPTypeface* tf) { |
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49 SkSafeRef(tf); |
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50 } |
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51 |
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52 static void anp_unref(ANPTypeface* tf) { |
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53 SkSafeUnref(tf); |
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54 } |
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55 |
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56 static ANPTypefaceStyle anp_getStyle(const ANPTypeface* tf) { |
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57 SkTypeface::Style s = tf ? tf->style() : SkTypeface::kNormal; |
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58 return static_cast<ANPTypefaceStyle>(s); |
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59 } |
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60 |
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61 static int32_t anp_getFontPath(const ANPTypeface* tf, char fileName[], |
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62 int32_t length, int32_t* index) { |
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63 SkStream* stream = tf->openStream(index); |
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64 |
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65 return 0; |
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66 /* |
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67 if (stream->getFileName()) { |
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68 strcpy(fileName, stream->getFileName()); |
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69 } else { |
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70 return 0; |
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71 } |
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72 |
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73 return strlen(fileName); |
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74 */ |
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75 } |
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76 |
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77 static const char* gFontDir; |
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78 #define FONT_DIR_SUFFIX "/fonts/" |
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79 |
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80 static const char* anp_getFontDirectoryPath() { |
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81 if (NULL == gFontDir) { |
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82 const char* root = getenv("ANDROID_ROOT"); |
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83 size_t len = strlen(root); |
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84 char* storage = (char*)malloc(len + sizeof(FONT_DIR_SUFFIX)); |
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85 if (NULL == storage) { |
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86 return NULL; |
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87 } |
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88 memcpy(storage, root, len); |
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89 memcpy(storage + len, FONT_DIR_SUFFIX, sizeof(FONT_DIR_SUFFIX)); |
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90 // save this assignment for last, so that if multiple threads call us |
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91 // (which should never happen), we never return an incomplete global. |
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92 // At worst, we would allocate storage for the path twice. |
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93 gFontDir = storage; |
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94 } |
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95 return gFontDir; |
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96 } |
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97 |
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98 /////////////////////////////////////////////////////////////////////////////// |
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99 |
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100 #define ASSIGN(obj, name) (obj)->name = anp_##name |
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101 |
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102 void InitTypeFaceInterface(ANPTypefaceInterfaceV0* i) { |
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103 ASSIGN(i, createFromName); |
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104 ASSIGN(i, createFromTypeface); |
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105 ASSIGN(i, getRefCount); |
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106 ASSIGN(i, ref); |
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107 ASSIGN(i, unref); |
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108 ASSIGN(i, getStyle); |
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109 ASSIGN(i, getFontPath); |
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110 ASSIGN(i, getFontDirectoryPath); |
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111 } |