skia2/tools/get_current_monitor_profile.cpp
John Stiles 3e6e29cf2e Convert 0 and NULL to nullptr.
The goal was to enable -Wzero-as-null-pointer-constant. Unfortunately,
this was thwarted by VK_NULL_HANDLE which is defined as 0ULL in the
Vulkan headers. It might be possible to enable the warning for a subset
of Skia, but not for the parts which interface with Vulkan.

Change-Id: Id27f5f57d9b2676d18f319f443fdf8bb5d4fb89d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/505801
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: John Stiles <johnstiles@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
2022-02-09 14:20:57 +00:00

62 lines
2.2 KiB
C++

/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "include/core/SkStream.h"
#if defined(SK_BUILD_FOR_MAC)
#include <ApplicationServices/ApplicationServices.h>
#elif defined(SK_BUILD_FOR_WIN)
#include <windows.h>
#endif
int main(int argc, char** argv) {
#if defined(SK_BUILD_FOR_MAC)
CGColorSpaceRef cs = CGDisplayCopyColorSpace(CGMainDisplayID());
CFDataRef dataRef = CGColorSpaceCopyICCProfile(cs);
const uint8_t* data = CFDataGetBytePtr(dataRef);
size_t size = CFDataGetLength(dataRef);
SkFILEWStream file("monitor_0.icc");
file.write(data, size);
CFRelease(cs);
CFRelease(dataRef);
return 0;
#elif defined(SK_BUILD_FOR_WIN)
DISPLAY_DEVICE dd = { sizeof(DISPLAY_DEVICE) };
SkString outputFilename;
// Chrome's code for this currently just gets the primary monitor's profile. This code iterates
// over all attached monitors, so it's "better" in that sense. Making intelligent use of this
// information (via things like MonitorFromWindow or MonitorFromRect to pick the correct
// profile for a particular window or region of a window), is an exercise left to the reader.
for (int i = 0; EnumDisplayDevices(nullptr, i, &dd, 0); ++i) {
if (dd.StateFlags & DISPLAY_DEVICE_ATTACHED_TO_DESKTOP) {
// There are other helpful things in dd at this point:
// dd.DeviceString has a longer name for the adapter
// dd.StateFlags indicates primary display, mirroring, etc...
HDC dc = CreateDC(nullptr, dd.DeviceName, nullptr, nullptr);
if (dc) {
char icmPath[MAX_PATH + 1];
DWORD pathLength = MAX_PATH;
if (GetICMProfile(dc, &pathLength, icmPath)) {
// GetICMProfile just returns the path to the installed profile (not the data)
outputFilename = SkStringPrintf("monitor_%d.icc", i);
CopyFile(icmPath, outputFilename.c_str(), FALSE);
}
DeleteDC(dc);
}
}
}
return 0;
#else
SkDebugf("ERROR: Unsupported platform\n");
return 1;
#endif
}