1 files changed, 79 insertions, 0 deletions
diff --git a/gfx/skia/skia/src/encode/SkJPEGWriteUtility.cpp b/gfx/skia/skia/src/encode/SkJPEGWriteUtility.cpp
new file mode 100644
index 0000000000..024242d545
--- /dev/null
+++ b/gfx/skia/skia/src/encode/SkJPEGWriteUtility.cpp
@@ -0,0 +1,79 @@
+/*
+ * Copyright 2010 The Android Open Source Project
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+
+#include "src/encode/SkJPEGWriteUtility.h"
+
+#include "include/core/SkStream.h"
+#include "include/private/base/SkTArray.h"
+#include "src/codec/SkJpegPriv.h"
+
+#include <csetjmp>
+#include <cstddef>
+
+extern "C" {
+    #include "jerror.h"
+    #include "jmorecfg.h"
+}
+
+///////////////////////////////////////////////////////////////////////////////
+
+static void sk_init_destination(j_compress_ptr cinfo) {
+    skjpeg_destination_mgr* dest = (skjpeg_destination_mgr*)cinfo->dest;
+
+    dest->next_output_byte = dest->fBuffer;
+    dest->free_in_buffer = skjpeg_destination_mgr::kBufferSize;
+}
+
+static boolean sk_empty_output_buffer(j_compress_ptr cinfo) {
+    skjpeg_destination_mgr* dest = (skjpeg_destination_mgr*)cinfo->dest;
+
+//  if (!dest->fStream->write(dest->fBuffer, skjpeg_destination_mgr::kBufferSize - dest->free_in_buffer))
+    if (!dest->fStream->write(dest->fBuffer,
+            skjpeg_destination_mgr::kBufferSize)) {
+        ERREXIT(cinfo, JERR_FILE_WRITE);
+        return FALSE;
+    }
+
+    dest->next_output_byte = dest->fBuffer;
+    dest->free_in_buffer = skjpeg_destination_mgr::kBufferSize;
+    return TRUE;
+}
+
+static void sk_term_destination (j_compress_ptr cinfo) {
+    skjpeg_destination_mgr* dest = (skjpeg_destination_mgr*)cinfo->dest;
+
+    size_t size = skjpeg_destination_mgr::kBufferSize - dest->free_in_buffer;
+    if (size > 0) {
+        if (!dest->fStream->write(dest->fBuffer, size)) {
+            ERREXIT(cinfo, JERR_FILE_WRITE);
+            return;
+        }
+    }
+
+    dest->fStream->flush();
+}
+
+skjpeg_destination_mgr::skjpeg_destination_mgr(SkWStream* stream) : fStream(stream) {
+    this->init_destination = sk_init_destination;
+    this->empty_output_buffer = sk_empty_output_buffer;
+    this->term_destination = sk_term_destination;
+}
+
+void skjpeg_error_exit(j_common_ptr cinfo) {
+    skjpeg_error_mgr* error = (skjpeg_error_mgr*)cinfo->err;
+
+    (*error->output_message) (cinfo);
+
+    /* Let the memory manager delete any temp files before we die */
+    jpeg_destroy(cinfo);
+
+    if (error->fJmpBufStack.empty()) {
+        SK_ABORT("JPEG error with no jmp_buf set.");
+    }
+    longjmp(*error->fJmpBufStack.back(), -1);
+}