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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef UI_DISPLAY_UTIL_EDID_PARSER_H_ | 5 #ifndef UI_DISPLAY_UTIL_EDID_PARSER_H_ |
| 6 #define UI_DISPLAY_UTIL_EDID_PARSER_H_ | 6 #define UI_DISPLAY_UTIL_EDID_PARSER_H_ |
| 7 | 7 |
| 8 #include <stdint.h> | 8 #include <stdint.h> |
| 9 | 9 |
| 10 #include <string> | 10 #include <string> |
| 11 #include <vector> | 11 #include <vector> |
| 12 | 12 |
| 13 #include "ui/display/util/display_util_export.h" | 13 #include "ui/display/util/display_util_export.h" |
| 14 | 14 |
| 15 namespace gfx { |
| 16 class Size; |
| 17 } |
| 18 |
| 15 // EDID (Extended Display Identification Data) is a format for monitor | 19 // EDID (Extended Display Identification Data) is a format for monitor |
| 16 // metadata. This provides a parser for the data. | 20 // metadata. This provides a parser for the data. |
| 17 | 21 |
| 18 namespace ui { | 22 namespace ui { |
| 19 | 23 |
| 20 // Generates the display id for the pair of |edid| and |index|, and store in | 24 // Generates the display id and product id for the pair of |edid| and |index|, |
| 21 // |display_id_out|. Returns true if the display id is successfully generated, | 25 // and store in |display_id_out| and |product_id_out|. Returns true if the |
| 22 // or false otherwise. | 26 // display id is successfully generated, or false otherwise. |
| 23 DISPLAY_UTIL_EXPORT bool GetDisplayIdFromEDID(const std::vector<uint8_t>& edid, | 27 DISPLAY_UTIL_EXPORT bool GetDisplayIdFromEDID(const std::vector<uint8_t>& edid, |
| 24 uint8_t index, | 28 uint8_t index, |
| 25 int64_t* display_id_out); | 29 int64_t* display_id_out, |
| 30 int64_t* product_id_out); |
| 26 | 31 |
| 27 // Parses |edid| as EDID data and stores extracted data into |manufacturer_id| | 32 // Parses |edid| as EDID data and stores extracted data into |manufacturer_id|, |
| 28 // and |human_readable_name| and returns true. NULL can be passed for unwanted | 33 // |product_code|, |human_readable_name|, |active_pixel_out| and |
| 29 // output parameters. Some devices (especially internal displays) may not have | 34 // |physical_display_size_out|, then returns true. nullptr can be passed for |
| 30 // the field for |human_readable_name|, and it will return true in that case. | 35 // unwanted output parameters. Some devices (especially internal displays) may |
| 36 // not have the field for |human_readable_name|, and it will return true in |
| 37 // that case. |
| 31 DISPLAY_UTIL_EXPORT bool ParseOutputDeviceData( | 38 DISPLAY_UTIL_EXPORT bool ParseOutputDeviceData( |
| 32 const std::vector<uint8_t>& edid, | 39 const std::vector<uint8_t>& edid, |
| 33 uint16_t* manufacturer_id, | 40 uint16_t* manufacturer_id, |
| 34 std::string* human_readable_name); | 41 uint16_t* product_code, |
| 42 std::string* human_readable_name, |
| 43 gfx::Size* active_pixel_out, |
| 44 gfx::Size* physical_display_size_out); |
| 35 | 45 |
| 36 DISPLAY_UTIL_EXPORT bool ParseOutputOverscanFlag( | 46 DISPLAY_UTIL_EXPORT bool ParseOutputOverscanFlag( |
| 37 const std::vector<uint8_t>& edid, | 47 const std::vector<uint8_t>& edid, |
| 38 bool* flag); | 48 bool* flag); |
| 39 | 49 |
| 40 } // namespace ui | 50 } // namespace ui |
| 41 | 51 |
| 42 #endif // UI_DISPLAY_UTIL_EDID_PARSER_H_ | 52 #endif // UI_DISPLAY_UTIL_EDID_PARSER_H_ |
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