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40 lines
1.5 KiB
C
40 lines
1.5 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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// https://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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#ifndef LIBPNG_WRAPPER_FUNC_H_
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#define LIBPNG_WRAPPER_FUNC_H_
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#include "png.h" // NOLINT(build/include)
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extern "C" {
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void* png_fdopen(int fd, const char* mode);
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void png_rewind(void* f);
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void png_fread(void* buffer, size_t size, size_t count, void* stream);
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void png_fclose(void* f);
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void png_setjmp(png_structrp ptr);
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png_structp png_create_read_struct_wrapper(png_const_charp user_png_ver,
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png_voidp error_ptr);
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png_structp png_create_write_struct_wrapper(png_const_charp user_png_ver,
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png_voidp error_ptr);
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void png_init_io_wrapper(png_structrp png_ptr, void* f);
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void png_read_image_wrapper(png_structrp png_ptr, png_bytep image,
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size_t height, size_t rowbytes);
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void png_write_image_wrapper(png_structrp png_ptr, png_bytep image,
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size_t height, size_t rowbytes);
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} // extern "C"
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#endif // LIBPNG_WRAPPER_FUNC_H_
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