52 lines
1.5 KiB
C++
52 lines
1.5 KiB
C++
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//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2022
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#include "td/telegram/Dimensions.h"
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#include "td/utils/logging.h"
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#include "td/utils/misc.h"
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namespace td {
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static uint16 get_dimension(int32 size, const char *source) {
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if (size < 0 || size > 65535) {
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if (source != nullptr) {
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LOG(ERROR) << "Wrong image dimension = " << size << " from " << source;
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}
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return 0;
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}
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return narrow_cast<uint16>(size);
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}
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Dimensions get_dimensions(int32 width, int32 height, const char *source) {
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Dimensions result;
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result.width = get_dimension(width, source);
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result.height = get_dimension(height, source);
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if (result.width == 0 || result.height == 0) {
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result.width = 0;
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result.height = 0;
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}
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return result;
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}
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uint32 get_dimensions_pixel_count(const Dimensions &dimensions) {
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return static_cast<uint32>(dimensions.width) * static_cast<uint32>(dimensions.height);
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}
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bool operator==(const Dimensions &lhs, const Dimensions &rhs) {
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return lhs.width == rhs.width && lhs.height == rhs.height;
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}
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bool operator!=(const Dimensions &lhs, const Dimensions &rhs) {
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return !(lhs == rhs);
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}
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StringBuilder &operator<<(StringBuilder &string_builder, const Dimensions &dimensions) {
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return string_builder << "(" << dimensions.width << ", " << dimensions.height << ")";
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}
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} // namespace td
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