import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

other-licenses/skia-npapi/ANPTypeface.cpp

@@ -0,0 +1,110 @@
+/*
+ * Copyright 2008, The Android Open Source Project
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+// must include config.h first for webkit to fiddle with new/delete
+#include "SkANP.h"
+#include "SkStream.h"
+#include <stdlib.h>
+
+static ANPTypeface* anp_createFromName(const char name[], ANPTypefaceStyle s) {
+    sk_sp<SkTypeface> tf = SkTypeface::MakeFromName(name,
+                                        SkFontStyle::FromOldStyle(s));
+    return reinterpret_cast<ANPTypeface*>(tf.release());
+}
+
+static ANPTypeface* anp_createFromTypeface(const ANPTypeface* family,
+                                           ANPTypefaceStyle s) {
+    sk_sp<SkTypeface> tf = SkTypeface::MakeFromTypeface(const_cast<ANPTypeface*>(family),
+                                          static_cast<SkTypeface::Style>(s));
+    return reinterpret_cast<ANPTypeface*>(tf.release());
+}
+
+static int32_t anp_getRefCount(const ANPTypeface* tf) {
+    return tf ? tf->getRefCnt() : 0;
+}
+
+static void anp_ref(ANPTypeface* tf) {
+    SkSafeRef(tf);
+}
+
+static void anp_unref(ANPTypeface* tf) {
+    SkSafeUnref(tf);
+}
+
+static ANPTypefaceStyle anp_getStyle(const ANPTypeface* tf) {
+    SkTypeface::Style s = tf ? tf->style() : SkTypeface::kNormal;
+    return static_cast<ANPTypefaceStyle>(s);
+}
+
+static int32_t anp_getFontPath(const ANPTypeface* tf, char fileName[],
+                               int32_t length, int32_t* index) {
+    return 0;
+    /*
+    SkStream* stream = tf->openStream(index);
+    if (stream->getFileName()) {
+      strcpy(fileName, stream->getFileName());
+    } else {
+      return 0;
+    }
+
+    return strlen(fileName);
+    */
+}
+
+static const char* gFontDir;
+#define FONT_DIR_SUFFIX     "/fonts/"
+
+static const char* anp_getFontDirectoryPath() {
+    if (NULL == gFontDir) {
+        const char* root = getenv("ANDROID_ROOT");
+        size_t len = strlen(root);
+        char* storage = (char*)malloc(len + sizeof(FONT_DIR_SUFFIX));
+        if (NULL == storage) {
+            return NULL;
+        }
+        memcpy(storage, root, len);
+        memcpy(storage + len, FONT_DIR_SUFFIX, sizeof(FONT_DIR_SUFFIX));
+        // save this assignment for last, so that if multiple threads call us
+        // (which should never happen), we never return an incomplete global.
+        // At worst, we would allocate storage for the path twice.
+        gFontDir = storage;
+    }
+    return gFontDir;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+
+#define ASSIGN(obj, name)   (obj)->name = anp_##name
+
+void InitTypeFaceInterface(ANPTypefaceInterfaceV0* i) {
+    ASSIGN(i, createFromName);
+    ASSIGN(i, createFromTypeface);
+    ASSIGN(i, getRefCount);
+    ASSIGN(i, ref);
+    ASSIGN(i, unref);
+    ASSIGN(i, getStyle);
+    ASSIGN(i, getFontPath);
+    ASSIGN(i, getFontDirectoryPath);
+}