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