96fcdcc219
DOCS_PREVIEW= https://skia.org/?cl=1316233002 Review URL: https://codereview.chromium.org/1316233002
83 lines
2.7 KiB
C++
83 lines
2.7 KiB
C++
// Copyright 2013 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "SkCanvas.h"
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#include "SkFlattenableSerialization.h"
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#include "SkImageFilter.h"
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#include "SkOSFile.h"
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#include "SkString.h"
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static const int kBitmapSize = 24;
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static bool read_test_case(const char* filename, SkString* testdata) {
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SkFILE* file = sk_fopen(filename, kRead_SkFILE_Flag);
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if (!file) {
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SkDebugf("couldn't open file %s\n", filename);
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return false;
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}
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size_t len = sk_fgetsize(file);
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if (!len) {
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SkDebugf("couldn't read file %s\n", filename);
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return false;
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}
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testdata->resize(len);
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(void) sk_fread(testdata->writable_str(), len, file);
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return true;
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}
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static void run_test_case(const SkString& testdata, const SkBitmap& bitmap,
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SkCanvas* canvas) {
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// This call shouldn't crash or cause ASAN to flag any memory issues
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// If nothing bad happens within this call, everything is fine
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SkFlattenable* flattenable = SkValidatingDeserializeFlattenable(
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testdata.c_str(), testdata.size(), SkImageFilter::GetFlattenableType());
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// Adding some info, but the test passed if we got here without any trouble
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if (flattenable != nullptr) {
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SkDebugf("Valid stream detected.\n");
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// Let's see if using the filters can cause any trouble...
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SkPaint paint;
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paint.setImageFilter(static_cast<SkImageFilter*>(flattenable))->unref();
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canvas->save();
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canvas->clipRect(SkRect::MakeXYWH(
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0, 0, SkIntToScalar(kBitmapSize), SkIntToScalar(kBitmapSize)));
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// This call shouldn't crash or cause ASAN to flag any memory issues
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// If nothing bad happens within this call, everything is fine
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canvas->drawBitmap(bitmap, 0, 0, &paint);
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SkDebugf("Filter DAG rendered successfully.\n");
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canvas->restore();
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} else {
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SkDebugf("Invalid stream detected.\n");
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}
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}
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static bool read_and_run_test_case(const char* filename, const SkBitmap& bitmap,
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SkCanvas* canvas) {
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SkString testdata;
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SkDebugf("Test case: %s\n", filename);
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// read_test_case will print a useful error message if it fails.
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if (!read_test_case(filename, &testdata))
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return false;
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run_test_case(testdata, bitmap, canvas);
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return true;
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}
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int main(int argc, char** argv) {
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int ret = 0;
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SkBitmap bitmap;
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bitmap.allocN32Pixels(kBitmapSize, kBitmapSize);
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SkCanvas canvas(bitmap);
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canvas.clear(0x00000000);
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for (int i = 1; i < argc; i++)
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if (!read_and_run_test_case(argv[i], bitmap, &canvas))
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ret = 2;
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// Cluster-Fuzz likes "#EOF" as the last line of output to help distinguish
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// successful runs from crashes.
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SkDebugf("#EOF\n");
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return ret;
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}
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