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      1 /*
      2  * Copyright 2016 Google Inc.
      3  *
      4  * Use of this source code is governed by a BSD-style license that can be
      5  * found in the LICENSE file.
      6  */
      7 
      8 #include "SkStream.h"
      9 
     10 #if defined(SK_BUILD_FOR_MAC)
     11 #include <ApplicationServices/ApplicationServices.h>
     12 #elif defined(SK_BUILD_FOR_WIN)
     13 #include <windows.h>
     14 #endif
     15 
     16 int main(int argc, char** argv) {
     17 #if defined(SK_BUILD_FOR_MAC)
     18     CGColorSpaceRef cs = CGDisplayCopyColorSpace(CGMainDisplayID());
     19     CFDataRef dataRef = CGColorSpaceCopyICCProfile(cs);
     20     const uint8_t* data = CFDataGetBytePtr(dataRef);
     21     size_t size = CFDataGetLength(dataRef);
     22 
     23     SkFILEWStream file("monitor_0.icc");
     24     file.write(data, size);
     25 
     26     CFRelease(cs);
     27     CFRelease(dataRef);
     28     return 0;
     29 #elif defined(SK_BUILD_FOR_WIN)
     30     DISPLAY_DEVICE dd = { sizeof(DISPLAY_DEVICE) };
     31     SkString outputFilename;
     32 
     33     // Chrome's code for this currently just gets the primary monitor's profile. This code iterates
     34     // over all attached monitors, so it's "better" in that sense. Making intelligent use of this
     35     // information (via things like MonitorFromWindow or MonitorFromRect to pick the correct
     36     // profile for a particular window or region of a window), is an exercise left to the reader.
     37     for (int i = 0; EnumDisplayDevices(NULL, i, &dd, 0); ++i) {
     38         if (dd.StateFlags & DISPLAY_DEVICE_ATTACHED_TO_DESKTOP) {
     39             // There are other helpful things in dd at this point:
     40             // dd.DeviceString has a longer name for the adapter
     41             // dd.StateFlags indicates primary display, mirroring, etc...
     42             HDC dc = CreateDC(NULL, dd.DeviceName, NULL, NULL);
     43             if (dc) {
     44                 char icmPath[MAX_PATH + 1];
     45                 DWORD pathLength = MAX_PATH;
     46                 if (GetICMProfile(dc, &pathLength, icmPath)) {
     47                     // GetICMProfile just returns the path to the installed profile (not the data)
     48                     outputFilename = SkStringPrintf("monitor_%d.icc", i);
     49                     CopyFile(icmPath, outputFilename.c_str(), FALSE);
     50                 }
     51                 DeleteDC(dc);
     52             }
     53         }
     54     }
     55 
     56     return 0;
     57 #else
     58     SkDebugf("ERROR: Unsupported platform\n");
     59     return 1;
     60 #endif
     61 }
     62