Experimental: EXR

tests/EXRTest.cpp

+/*
+ * Copyright 2015 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "Resources.h"
+#include "Test.h"
+
+#include "SkCodec.h"
+#include "SkImageEncoder.h"
+
+static SkStreamAsset* resource(const char path[]) {
+    SkString fullPath = GetResourcePath(path);
+    return SkStream::NewFromFile(fullPath.c_str());
+}
+
+static void test(skiatest::Reporter* r, const char* path) {
+    SkAutoTDelete<SkStream> stream(resource(path));
+    SkAutoTDelete<SkCodec> codec(SkCodec::NewFromStream(stream.release()));
+    const SkImageInfo& info = codec->getInfo();
+    SkImageInfo infoF16 = info.makeColorType(kRGBA_F16_SkColorType)
+                              .makeColorSpace(info.colorSpace()->makeLinearGamma());
+    if (kUnpremul_SkAlphaType == infoF16.alphaType()) {
+        infoF16 = infoF16.makeAlphaType(kPremul_SkAlphaType);
+    }
+
+    SkBitmap bm;
+    bm.allocPixels(infoF16);
+    SkCodec::Result result = codec->getPixels(infoF16, bm.getPixels(), bm.rowBytes());
+    REPORTER_ASSERT(r, SkCodec::kSuccess == result);
+
+    sk_sp<SkData> data(SkImageEncoder::EncodeData(bm, SkImageEncoder::kEXR_Type, 100));
+    SkFILEWStream writeStream("/usr/local/google/home/msarett/skia/mandrill_zfp.exr");
+    writeStream.write(data->data(), data->size());
+}
+
+
+DEF_TEST(EncodeEXR, r) {
+    test(r, "mandrill_512_q075.jpg");
+    //test(r, "color_alpha.png");
+}