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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/display/util/display_util.h"
#include <stddef.h>
#include "base/logging.h"
#include "base/macros.h"
namespace display {
namespace {
// A list of bogus sizes in mm that should be ignored.
// See crbug.com/136533. The first element maintains the minimum
// size required to be valid size.
const int kInvalidDisplaySizeList[][2] = {
{40, 30},
{50, 40},
{160, 90},
{160, 100},
};
} // namespace
bool IsDisplaySizeBlackListed(const gfx::Size& physical_size) {
// Ignore if the reported display is smaller than minimum size.
if (physical_size.width() <= kInvalidDisplaySizeList[0][0] ||
physical_size.height() <= kInvalidDisplaySizeList[0][1]) {
VLOG(1) << "Smaller than minimum display size";
return true;
}
for (size_t i = 1; i < arraysize(kInvalidDisplaySizeList); ++i) {
const gfx::Size size(kInvalidDisplaySizeList[i][0],
kInvalidDisplaySizeList[i][1]);
if (physical_size == size) {
VLOG(1) << "Black listed display size detected:" << size.ToString();
return true;
}
}
return false;
}
int64_t GenerateDisplayID(uint16_t manufacturer_id,
uint32_t product_code_hash,
uint8_t output_index) {
return ((static_cast<int64_t>(manufacturer_id) << 40) |
(static_cast<int64_t>(product_code_hash) << 8) | output_index);
}
} // namespace display
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