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 "SkANP.h"
28 #include "SkStream.h"
29 #include <stdlib.h>
30
anp_createFromName(const char name[],ANPTypefaceStyle s)31 static ANPTypeface* anp_createFromName(const char name[], ANPTypefaceStyle s) {
32 sk_sp<SkTypeface> tf = SkTypeface::MakeFromName(name,
33 SkFontStyle::FromOldStyle(s));
34 return reinterpret_cast<ANPTypeface*>(tf.release());
35 }
36
anp_createFromTypeface(const ANPTypeface * family,ANPTypefaceStyle s)37 static ANPTypeface* anp_createFromTypeface(const ANPTypeface* family,
38 ANPTypefaceStyle s) {
39 sk_sp<SkTypeface> tf = SkTypeface::MakeFromTypeface(const_cast<ANPTypeface*>(family),
40 static_cast<SkTypeface::Style>(s));
41 return reinterpret_cast<ANPTypeface*>(tf.release());
42 }
43
anp_getRefCount(const ANPTypeface * tf)44 static int32_t anp_getRefCount(const ANPTypeface* tf) {
45 return tf ? tf->getRefCnt() : 0;
46 }
47
anp_ref(ANPTypeface * tf)48 static void anp_ref(ANPTypeface* tf) {
49 SkSafeRef(tf);
50 }
51
anp_unref(ANPTypeface * tf)52 static void anp_unref(ANPTypeface* tf) {
53 SkSafeUnref(tf);
54 }
55
anp_getStyle(const ANPTypeface * tf)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
anp_getFontPath(const ANPTypeface * tf,char fileName[],int32_t length,int32_t * index)61 static int32_t anp_getFontPath(const ANPTypeface* tf, char fileName[],
62 int32_t length, int32_t* index) {
63 return 0;
64 /*
65 SkStream* stream = tf->openStream(index);
66 if (stream->getFileName()) {
67 strcpy(fileName, stream->getFileName());
68 } else {
69 return 0;
70 }
71
72 return strlen(fileName);
73 */
74 }
75
76 static const char* gFontDir;
77 #define FONT_DIR_SUFFIX "/fonts/"
78
anp_getFontDirectoryPath()79 static const char* anp_getFontDirectoryPath() {
80 if (NULL == gFontDir) {
81 const char* root = getenv("ANDROID_ROOT");
82 size_t len = strlen(root);
83 char* storage = (char*)malloc(len + sizeof(FONT_DIR_SUFFIX));
84 if (NULL == storage) {
85 return NULL;
86 }
87 memcpy(storage, root, len);
88 memcpy(storage + len, FONT_DIR_SUFFIX, sizeof(FONT_DIR_SUFFIX));
89 // save this assignment for last, so that if multiple threads call us
90 // (which should never happen), we never return an incomplete global.
91 // At worst, we would allocate storage for the path twice.
92 gFontDir = storage;
93 }
94 return gFontDir;
95 }
96
97 ///////////////////////////////////////////////////////////////////////////////
98
99 #define ASSIGN(obj, name) (obj)->name = anp_##name
100
InitTypeFaceInterface(ANPTypefaceInterfaceV0 * i)101 void InitTypeFaceInterface(ANPTypefaceInterfaceV0* i) {
102 ASSIGN(i, createFromName);
103 ASSIGN(i, createFromTypeface);
104 ASSIGN(i, getRefCount);
105 ASSIGN(i, ref);
106 ASSIGN(i, unref);
107 ASSIGN(i, getStyle);
108 ASSIGN(i, getFontPath);
109 ASSIGN(i, getFontDirectoryPath);
110 }
111