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Unified Diff: tests/CodecPriv.h

Issue 1757333002: Fix bug in SkGifCodec / Switch SkImageDec tests to use Codec (Closed) Base URL: https://skia.googlesource.com/skia.git@m50
Patch Set: Created 4 years, 10 months ago
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Index: tests/CodecPriv.h
diff --git a/tests/CodecPriv.h b/tests/CodecPriv.h
new file mode 100644
index 0000000000000000000000000000000000000000..1123a41dc9ff1c9e35359e8a54c2735166d3c567
--- /dev/null
+++ b/tests/CodecPriv.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2016 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "SkBitmap.h"
+#include "SkCodec.h"
+#include "SkData.h"
+
+inline bool decode_memory(const void* mem, size_t size, SkBitmap* bm) {
+ SkAutoTUnref<SkData> data(SkData::NewWithoutCopy(mem, size));
+
+ SkAutoTDelete<SkCodec> codec(SkCodec::NewFromData(data.get()));
+ if (!codec) {
+ return false;
+ }
+
+ // Construct a color table for the decode if necessary
+ SkAutoTUnref<SkColorTable> colorTable(nullptr);
+ SkPMColor* colorPtr = nullptr;
+ int* colorCountPtr = nullptr;
+ int maxColors = 256;
+ if (kIndex_8_SkColorType == codec->getInfo().colorType()) {
+ SkPMColor colors[256];
+ colorTable.reset(new SkColorTable(colors, maxColors));
+ colorPtr = const_cast<SkPMColor*>(colorTable->readColors());
+ colorCountPtr = &maxColors;
+ }
+
+ bm->allocPixels(codec->getInfo(), nullptr, colorTable.get());
+ const SkCodec::Result result = codec->getPixels(codec->getInfo(), bm->getPixels(),
+ bm->rowBytes(), nullptr, colorPtr, colorCountPtr);
+ return result == SkCodec::kSuccess || result == SkCodec::kIncompleteInput;
+}
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