e6eb6c48d2
* aa * push * push * push * claude ai * push * add * add stuff * upd * rdm * fix * ci * fix * fix * fixing * feature * revert * no submodules * ci
64 lines
2.0 KiB
C++
64 lines
2.0 KiB
C++
// Copyright 2020 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <stdint.h>
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#include "lcms2.h"
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extern "C" 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++)
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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++)
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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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