1 /*
   2  * Copyright (c) 2011, 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 #include "config.h"
  27 
  28 #include "FontCustomPlatformData.h"
  29 
  30 #include "SharedBuffer.h"
  31 #include "FontDescription.h"
  32 #include "FontPlatformData.h"
  33 
  34 namespace WebCore {
  35 
  36 FontCustomPlatformData::FontCustomPlatformData(const JLObject& data)
  37     : m_data(data)
  38 {
  39 }
  40 
  41 FontCustomPlatformData::~FontCustomPlatformData()
  42 {
  43 }
  44 
  45 FontPlatformData FontCustomPlatformData::fontPlatformData(
  46         const FontDescription& fontDescription, bool bold, bool italic)
  47 {
  48     JNIEnv* env = WebCore_GetJavaEnv();
  49 
  50     int size = fontDescription.computedPixelSize();
  51     static jmethodID mid = env->GetMethodID(
  52             PG_GetFontCustomPlatformDataClass(env),
  53             "createFont",
  54             "(IZZ)Lcom/sun/webkit/graphics/WCFont;");
  55     ASSERT(mid);
  56 
  57     JLObject font(env->CallObjectMethod(
  58             m_data,
  59             mid,
  60             size,
  61             bool_to_jbool(bold),
  62             bool_to_jbool(italic)));
  63     CheckAndClearException(env);
  64 
  65     return FontPlatformData(RQRef::create(font), size);
  66 }
  67 
  68 std::unique_ptr<FontCustomPlatformData> createFontCustomPlatformData(SharedBuffer& buffer, unsigned /* index */)
  69 {
  70     JNIEnv* env = WebCore_GetJavaEnv();
  71 
  72     static JGClass sharedBufferClass(env->FindClass(
  73             "com/sun/webkit/SharedBuffer"));
  74     ASSERT(sharedBufferClass);
  75 
  76     static jmethodID mid1 = env->GetStaticMethodID(
  77             sharedBufferClass,
  78             "fwkCreate",
  79             "(J)Lcom/sun/webkit/SharedBuffer;");
  80     ASSERT(mid1);
  81 
  82     JLObject sharedBuffer(env->CallStaticObjectMethod(
  83             sharedBufferClass,
  84             mid1,
  85             ptr_to_jlong(&buffer)));
  86     CheckAndClearException(env);
  87 
  88     static jmethodID mid2 = env->GetMethodID(
  89             PG_GetGraphicsManagerClass(env),
  90             "fwkCreateFontCustomPlatformData",
  91             "(Lcom/sun/webkit/SharedBuffer;)"
  92             "Lcom/sun/webkit/graphics/WCFontCustomPlatformData;");
  93     ASSERT(mid2);
  94 
  95     JLObject data(env->CallObjectMethod(
  96             PL_GetGraphicsManager(env),
  97             mid2,
  98             (jobject) sharedBuffer));
  99     CheckAndClearException(env);
 100 
 101     return data ? std::make_unique<FontCustomPlatformData>(data) : nullptr;
 102 }
 103 
 104 bool FontCustomPlatformData::supportsFormat(const String& format)
 105 {
 106     return equalLettersIgnoringASCIICase(format, "truetype")
 107             || equalLettersIgnoringASCIICase(format, "opentype")
 108             || equalLettersIgnoringASCIICase(format, "woff");
 109 }
 110 
 111 }