| OLD | NEW |
| (Empty) |
| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CHROMEOS_DISPLAY_OUTPUT_UTIL_H_ | |
| 6 #define CHROMEOS_DISPLAY_OUTPUT_UTIL_H_ | |
| 7 | |
| 8 #include <string> | |
| 9 | |
| 10 #include "base/basictypes.h" | |
| 11 #include "chromeos/chromeos_export.h" | |
| 12 | |
| 13 // Forward declarations for Xlib and Xrandr. | |
| 14 // This is so unused X definitions don't pollute the namespace. | |
| 15 typedef unsigned long XID; | |
| 16 typedef XID RRMode; | |
| 17 struct _XRRModeInfo; | |
| 18 typedef _XRRModeInfo XRRModeInfo; | |
| 19 struct _XRRScreenResources; | |
| 20 typedef _XRRScreenResources XRRScreenResources; | |
| 21 struct _XRROutputInfo; | |
| 22 typedef _XRROutputInfo XRROutputInfo; | |
| 23 | |
| 24 namespace chromeos { | |
| 25 | |
| 26 // Generates the human readable string from EDID obtained for |output|. | |
| 27 CHROMEOS_EXPORT std::string GetDisplayName(XID output); | |
| 28 | |
| 29 // Gets the overscan flag from |output| and stores to |flag|. Returns true if | |
| 30 // the flag is found. Otherwise returns false and doesn't touch |flag|. The | |
| 31 // output will produce overscan if |flag| is set to true, but the output may | |
| 32 // still produce overscan even though it returns true and |flag| is set to | |
| 33 // false. | |
| 34 CHROMEOS_EXPORT bool GetOutputOverscanFlag(XID output, bool* flag); | |
| 35 | |
| 36 // Parses |prop| as EDID data and stores the overscan flag to |flag|. Returns | |
| 37 // true if the flag is found. This is exported for x11_util_unittest.cc. | |
| 38 CHROMEOS_EXPORT bool ParseOutputOverscanFlag(const unsigned char* prop, | |
| 39 unsigned long nitems, | |
| 40 bool* flag); | |
| 41 | |
| 42 // Returns true if an output named |name| is an internal display. | |
| 43 CHROMEOS_EXPORT bool IsInternalOutputName(const std::string& name); | |
| 44 | |
| 45 // Find a XRRModeInfo that matches |mode|. | |
| 46 CHROMEOS_EXPORT const XRRModeInfo* FindXRRModeInfo( | |
| 47 const XRRScreenResources* screen_resources, | |
| 48 XID mode); | |
| 49 | |
| 50 // Find a mode that matches the given size with highest refresh | |
| 51 // rate. Non-interlaced mode takes precedence, so non-interlaced mode | |
| 52 // with a lower refresh rate will be used even if there is an interlaced | |
| 53 // mode with a higher refresh rate. | |
| 54 CHROMEOS_EXPORT RRMode FindOutputModeMatchingSize( | |
| 55 const XRRScreenResources* screen_resources, | |
| 56 const XRROutputInfo* output_info, | |
| 57 size_t width, | |
| 58 size_t height); | |
| 59 | |
| 60 namespace test { | |
| 61 | |
| 62 // Creates XRRModeInfo for unit tests. | |
| 63 CHROMEOS_EXPORT XRRModeInfo CreateModeInfo(int id, | |
| 64 int width, | |
| 65 int height, | |
| 66 bool interlaced, | |
| 67 float refresh_rate); | |
| 68 | |
| 69 } // namespace test | |
| 70 | |
| 71 } // namespace chromeos | |
| 72 | |
| 73 #endif // CHROMEOS_DISPLAY_OUTPUT_UTIL_H_ | |
| OLD | NEW |