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93 lines
2.1 KiB
C++
93 lines
2.1 KiB
C++
// This file is part of Desktop App Toolkit,
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// a set of libraries for developing nice desktop applications.
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//
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// For license and copyright information please follow this link:
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// https://github.com/desktop-app/legal/blob/master/LEGAL
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//
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#pragma once
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namespace Ui {
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struct ImageSubrect {
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not_null<QImage*> image;
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QRect rect;
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};
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class RoundAreaWithShadow final {
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public:
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static constexpr auto kFramesCount = 32;
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[[nodiscard]] static QImage PrepareImage(QSize size);
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[[nodiscard]] static QImage PrepareFramesCache(
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QSize frame,
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int columns = 1);
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[[nodiscard]] static QRect FrameCacheRect(
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int frameIndex,
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int column,
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QSize frame);
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// Returns center area which could be just filled with a solid color.
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static QRect FillWithImage(
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QPainter &p,
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QRect geometry,
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const ImageSubrect &pattern);
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RoundAreaWithShadow(QSize inner, QMargins shadow, int twiceRadiusMax);
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void setBackgroundColor(const QColor &background);
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void setShadowColor(const QColor &shadow);
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[[nodiscard]] ImageSubrect validateFrame(
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int frameIndex,
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float64 scale,
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float64 radius);
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[[nodiscard]] ImageSubrect validateOverlayMask(
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int frameIndex,
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QSize innerSize,
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float64 radius,
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int twiceRadius,
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float64 scale);
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[[nodiscard]] ImageSubrect validateOverlayShadow(
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int frameIndex,
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QSize innerSize,
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float64 radius,
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int twiceRadius,
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float64 scale,
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const ImageSubrect &mask);
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void overlayExpandedBorder(
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QPainter &p,
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QSize size,
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float64 expandRatio,
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float64 radiusFrom,
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float64 radiusTill,
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float64 scale);
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private:
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[[nodiscard]] QRect validateShadow(
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int frameIndex,
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float64 scale,
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float64 radius);
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QRect _inner;
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QSize _outer;
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QSize _overlay;
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std::array<bool, kFramesCount> _validBg = { { false } };
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std::array<bool, kFramesCount> _validShadow = { { false } };
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std::array<bool, kFramesCount> _validOverlayMask = { { false } };
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std::array<bool, kFramesCount> _validOverlayShadow = { { false } };
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QColor _background;
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QColor _gradient;
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QColor _shadow;
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QImage _cacheBg;
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QImage _shadowParts;
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QImage _overlayCacheParts;
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QImage _overlayMaskScaled;
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QImage _overlayShadowScaled;
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QImage _shadowBuffer;
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};
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} // namespace Ui
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