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83 lines
2.7 KiB
83 lines
2.7 KiB
// 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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#include <stdio.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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FILE* 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) 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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sk_sp<SkImageFilter> flattenable = SkValidatingDeserializeImageFilter(testdata.c_str(), |
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testdata.size()); |
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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(flattenable); |
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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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