1 /* 2 * Copyright 2008, The Android Open Source Project 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 // must include config.h first for webkit to fiddle with new/delete 27 #include "config.h" 28 #include "SkANP.h" 29 #include "SkFontHost.h" 30 31 static ANPTypeface* anp_createFromName(const char name[], ANPTypefaceStyle s) { 32 SkTypeface* tf = SkTypeface::CreateFromName(name, 33 static_cast<SkTypeface::Style>(s)); 34 return reinterpret_cast<ANPTypeface*>(tf); 35 } 36 37 static ANPTypeface* anp_createFromTypeface(const ANPTypeface* family, 38 ANPTypefaceStyle s) { 39 SkTypeface* tf = SkTypeface::CreateFromTypeface(family, 40 static_cast<SkTypeface::Style>(s)); 41 return reinterpret_cast<ANPTypeface*>(tf); 42 } 43 44 static int32_t anp_getRefCount(const ANPTypeface* tf) { 45 return tf ? tf->getRefCnt() : 0; 46 } 47 48 static void anp_ref(ANPTypeface* tf) { 49 tf->safeRef(); 50 } 51 52 static void anp_unref(ANPTypeface* tf) { 53 tf->safeUnref(); 54 } 55 56 static ANPTypefaceStyle anp_getStyle(const ANPTypeface* tf) { 57 SkTypeface::Style s = tf ? tf->style() : SkTypeface::kNormal; 58 return static_cast<ANPTypefaceStyle>(s); 59 } 60 61 static int32_t anp_getFontPath(const ANPTypeface* tf, char fileName[], 62 int32_t length, int32_t* index) { 63 size_t size = SkFontHost::GetFileName(SkTypeface::UniqueID(tf), fileName, 64 length, index); 65 return static_cast<int32_t>(size); 66 } 67 68 static const char* gFontDir; 69 #define FONT_DIR_SUFFIX "/fonts/" 70 71 static const char* anp_getFontDirectoryPath() { 72 if (NULL == gFontDir) { 73 const char* root = getenv("ANDROID_ROOT"); 74 size_t len = strlen(root); 75 char* storage = (char*)malloc(len + sizeof(FONT_DIR_SUFFIX)); 76 if (NULL == storage) { 77 return NULL; 78 } 79 memcpy(storage, root, len); 80 memcpy(storage + len, FONT_DIR_SUFFIX, sizeof(FONT_DIR_SUFFIX)); 81 // save this assignment for last, so that if multiple threads call us 82 // (which should never happen), we never return an incomplete global. 83 // At worst, we would allocate storage for the path twice. 84 gFontDir = storage; 85 } 86 return gFontDir; 87 } 88 89 /////////////////////////////////////////////////////////////////////////////// 90 91 #define ASSIGN(obj, name) (obj)->name = anp_##name 92 93 void ANPTypefaceInterfaceV0_Init(ANPInterface* v) { 94 ANPTypefaceInterfaceV0* i = reinterpret_cast<ANPTypefaceInterfaceV0*>(v); 95 96 ASSIGN(i, createFromName); 97 ASSIGN(i, createFromTypeface); 98 ASSIGN(i, getRefCount); 99 ASSIGN(i, ref); 100 ASSIGN(i, unref); 101 ASSIGN(i, getStyle); 102 ASSIGN(i, getFontPath); 103 ASSIGN(i, getFontDirectoryPath); 104 } 105