51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
// Copyright 2016 The PDFium 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 <stdint.h>
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#include "lcms2.h"
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int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
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cmsHPROFILE srcProfile = cmsOpenProfileFromMem(data, size);
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if (!srcProfile) return 0;
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cmsHPROFILE dstProfile = cmsCreate_sRGBProfile();
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if (!dstProfile) {
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cmsCloseProfile(srcProfile);
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return 0;
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}
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cmsColorSpaceSignature srcCS = cmsGetColorSpace(srcProfile);
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cmsUInt32Number nSrcComponents = cmsChannelsOf(srcCS);
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cmsUInt32Number srcFormat;
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if (srcCS == cmsSigLabData) {
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srcFormat =
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COLORSPACE_SH(PT_Lab) | CHANNELS_SH(nSrcComponents) | BYTES_SH(0);
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} else {
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srcFormat =
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COLORSPACE_SH(PT_ANY) | CHANNELS_SH(nSrcComponents) | BYTES_SH(1);
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}
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cmsUInt32Number intent = 0;
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cmsUInt32Number flags = 0;
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cmsHTRANSFORM hTransform = cmsCreateTransform(
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srcProfile, srcFormat, dstProfile, TYPE_BGR_8, intent, flags);
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cmsCloseProfile(srcProfile);
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cmsCloseProfile(dstProfile);
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if (!hTransform) return 0;
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uint8_t output[4];
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if (T_BYTES(srcFormat) == 0) { // 0 means double
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double input[nSrcComponents];
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for (uint32_t i = 0; i < nSrcComponents; i++) input[i] = 0.5f;
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cmsDoTransform(hTransform, input, output, 1);
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} else {
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uint8_t input[nSrcComponents];
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for (uint32_t i = 0; i < nSrcComponents; i++) input[i] = 128;
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cmsDoTransform(hTransform, input, output, 1);
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}
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cmsDeleteTransform(hTransform);
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return 0;
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}
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