64 lines
2.4 KiB
C++
64 lines
2.4 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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#include <QtWidgets/QWidget>
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namespace Test {
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// In-process render of the widget itself — immune to occlusion by floating
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// elements, other windows, or a locked desktop session.
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[[nodiscard]] QImage GrabWidget(not_null<QWidget*> widget);
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// Renders only |logicalRect| (widget-local logical coordinates) out of the
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// widget, clamped to its bounds, handling device pixel ratio. The grab
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// renders the widget itself, so a rect outside the visible area is still
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// produced.
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[[nodiscard]] QImage GrabRect(
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not_null<QWidget*> widget,
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const QRect &logicalRect);
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// Near-uniform images are capture failures, never evidence.
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[[nodiscard]] bool LooksBlank(const QImage &image);
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// Saves under ScreenshotsDir(), appends .png when missing, emits the
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// SCREENSHOT marker, and returns the absolute path (empty on failure).
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QString SaveImage(const QImage &image, const QString &name);
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// Grab + blank-check + save as one evidence-grade capture: a hidden widget,
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// an empty grab, or a blank image is a logged FAIL, never a silent pass.
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// CaptureRect's rect must lie fully inside the grabbed widget; a rect that
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// leaves it is a logged FAIL naming the overlap, never a silently reframed
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// image.
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bool CaptureWidget(not_null<QWidget*> widget, const QString &name);
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bool CaptureRect(
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not_null<QWidget*> widget,
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const QRect &logicalRect,
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const QString &name);
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// Captures |logicalRect|, expressed in |rectOrigin| coordinates, by grabbing
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// |widget| — the rect is mapped into |widget| first. A grab renders the
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// widget itself, so a row scrolled out of view is captured by passing the
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// scrolled content widget as |widget|; the window that clips it holds no
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// pixels for that row.
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bool CaptureMappedRect(
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not_null<QWidget*> widget,
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not_null<QWidget*> rectOrigin,
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const QRect &logicalRect,
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const QString &name);
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[[nodiscard]] QImage Crop(const QImage &image, const QRect &pixelRect);
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// Nearest-neighbor upscale for readable small-target evidence.
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[[nodiscard]] QImage Zoom(const QImage &image, int factor);
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// Lays the images out side by side at their native pixel sizes (no
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// rescaling), for same-scale comparisons.
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[[nodiscard]] QImage ContactSheet(const std::vector<QImage> &images);
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} // namespace Test
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