зеркало из https://github.com/mozilla/gecko-dev.git
103 строки
3.8 KiB
C++
103 строки
3.8 KiB
C++
/*
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* Copyright 2008, The Android Open Source Project
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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// must include config.h first for webkit to fiddle with new/delete
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#include "SkANP.h"
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#include "SkFontHost.h"
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#include "SkStream.h"
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static ANPTypeface* anp_createFromName(const char name[], ANPTypefaceStyle s) {
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SkTypeface* tf = SkTypeface::CreateFromName(name,
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static_cast<SkTypeface::Style>(s));
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return reinterpret_cast<ANPTypeface*>(tf);
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}
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static ANPTypeface* anp_createFromTypeface(const ANPTypeface* family,
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ANPTypefaceStyle s) {
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SkTypeface* tf = SkTypeface::CreateFromTypeface(family,
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static_cast<SkTypeface::Style>(s));
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return reinterpret_cast<ANPTypeface*>(tf);
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}
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static int32_t anp_getRefCount(const ANPTypeface* tf) {
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return tf ? tf->getRefCnt() : 0;
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}
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static void anp_ref(ANPTypeface* tf) {
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SkSafeRef(tf);
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}
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static void anp_unref(ANPTypeface* tf) {
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SkSafeUnref(tf);
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}
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static ANPTypefaceStyle anp_getStyle(const ANPTypeface* tf) {
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SkTypeface::Style s = tf ? tf->style() : SkTypeface::kNormal;
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return static_cast<ANPTypefaceStyle>(s);
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}
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static int32_t anp_getFontPath(const ANPTypeface* tf, char fileName[],
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int32_t length, int32_t* index) {
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SkStream* stream = tf->openStream(index);
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strcpy(fileName, stream->getFileName());
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return strlen(fileName);
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}
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static const char* gFontDir;
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#define FONT_DIR_SUFFIX "/fonts/"
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static const char* anp_getFontDirectoryPath() {
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if (NULL == gFontDir) {
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const char* root = getenv("ANDROID_ROOT");
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size_t len = strlen(root);
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char* storage = (char*)malloc(len + sizeof(FONT_DIR_SUFFIX));
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if (NULL == storage) {
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return NULL;
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}
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memcpy(storage, root, len);
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memcpy(storage + len, FONT_DIR_SUFFIX, sizeof(FONT_DIR_SUFFIX));
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// save this assignment for last, so that if multiple threads call us
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// (which should never happen), we never return an incomplete global.
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// At worst, we would allocate storage for the path twice.
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gFontDir = storage;
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}
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return gFontDir;
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}
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///////////////////////////////////////////////////////////////////////////////
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#define ASSIGN(obj, name) (obj)->name = anp_##name
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void InitTypeFaceInterface(ANPTypefaceInterfaceV0* i) {
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ASSIGN(i, createFromName);
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ASSIGN(i, createFromTypeface);
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ASSIGN(i, getRefCount);
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ASSIGN(i, ref);
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ASSIGN(i, unref);
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ASSIGN(i, getStyle);
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ASSIGN(i, getFontPath);
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ASSIGN(i, getFontDirectoryPath);
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}
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