Chris Burel
77 lines
2.4 KiB
Plaintext
77 lines
2.4 KiB
Plaintext
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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*/
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#include <CoreFoundation/CoreFoundation.h>
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#include <AppKit/AppKit.h>
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#include <QImage>
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#include <QPixmap>
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#include <QtMac>
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#include <AzQtComponents/Components/Widgets/Eyedropper.h>
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#include <AzQtComponents/Utilities/ScreenGrabber.h>
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namespace AzQtComponents
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{
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class ScreenGrabber::Internal
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{};
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ScreenGrabber::ScreenGrabber(const QSize size, Eyedropper* parent /* = nullptr */)
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: QObject(parent)
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, m_size(size)
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, m_owner(parent)
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{
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}
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ScreenGrabber::~ScreenGrabber()
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{
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}
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QImage ScreenGrabber::grab(const QPoint& point) const
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{
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WId magnifier = m_owner->effectiveWinId();
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NSView* view = reinterpret_cast<NSView*>(magnifier);
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CGWindowID windowId = (CGWindowID)[[view window] windowNumber];
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CFArrayRef allWindows = CGWindowListCreate(kCGWindowListOptionAll | kCGWindowListOptionOnScreenOnly, kCGNullWindowID);
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CFMutableArrayRef windows = CFArrayCreateMutableCopy(nullptr, 0, allWindows);
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for (int i = 0; i < CFArrayGetCount(windows); i++)
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{
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CGWindowID window = static_cast<CGWindowID>(reinterpret_cast<uint64_t>(CFArrayGetValueAtIndex(windows, i)));
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if (window == windowId)
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{
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CFArrayRemoveValueAtIndex(windows, i);
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break;
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}
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}
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CFRelease(allWindows);
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// The part of the screen we want to scale up
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QRect region({}, m_size);
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region.moveCenter(point);
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CGRect bounds = CGRectMake(region.x(), region.y(), region.width(), region.height());
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CGImageRef cgImage = CGWindowListCreateImageFromArray(bounds, windows, kCGWindowImageNominalResolution);
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CFRelease(windows);
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QImage result = QtMac::fromCGImageRef(cgImage).toImage();
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CGImageRelease(cgImage);
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return result;
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}
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} // namespace AzQtComponents
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#include "Utilities/moc_ScreenGrabber.cpp"
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