lib_ui/ui/image/image_prepare.h
2021-08-11 17:53:02 +03:00

102 lines
2.6 KiB
C++

// This file is part of Desktop App Toolkit,
// a set of libraries for developing nice desktop applications.
//
// For license and copyright information please follow this link:
// https://github.com/desktop-app/legal/blob/master/LEGAL
//
#pragma once
#include "base/flags.h"
#include "ui/rect_part.h"
#include "ui/style/style_core.h"
namespace Storage {
namespace Cache {
struct Key;
} // namespace Cache
} // namespace Storage
enum class ImageRoundRadius {
None,
Large,
Small,
Ellipse,
};
namespace Images {
[[nodiscard]] QPixmap PixmapFast(QImage &&image);
[[nodiscard]] QImage BlurLargeImage(QImage image, int radius);
[[nodiscard]] const std::array<QImage, 4> &CornersMask(
ImageRoundRadius radius);
[[nodiscard]] std::array<QImage, 4> PrepareCorners(
ImageRoundRadius radius,
const style::color &color);
[[nodiscard]] std::array<QImage, 4> CornersMask(int radius);
[[nodiscard]] std::array<QImage, 4> PrepareCorners(
int radius,
const style::color &color);
// Try to read images up to 64MB.
inline constexpr auto kReadBytesLimit = 64 * 1024 * 1024;
inline constexpr auto kReadMaxArea = 12'032 * 9'024;
struct ReadArgs {
QString path;
QByteArray content;
QSize maxSize;
bool forceOpaque = false;
bool returnContent = false;
};
struct ReadResult {
QImage image;
QByteArray content;
QByteArray format;
bool animated = false;
};
[[nodiscard]] ReadResult Read(ReadArgs &&args);
QImage prepareBlur(QImage image);
void prepareRound(
QImage &image,
ImageRoundRadius radius,
RectParts corners = RectPart::AllCorners,
QRect target = QRect());
void prepareRound(
QImage &image,
QImage *cornerMasks,
RectParts corners = RectPart::AllCorners,
QRect target = QRect());
void prepareCircle(QImage &image);
QImage prepareColored(style::color add, QImage image);
QImage prepareColored(QColor add, QImage image);
QImage prepareOpaque(QImage image);
enum class Option {
None = 0,
Smooth = (1 << 0),
Blurred = (1 << 1),
Circled = (1 << 2),
RoundedLarge = (1 << 3),
RoundedSmall = (1 << 4),
RoundedTopLeft = (1 << 5),
RoundedTopRight = (1 << 6),
RoundedBottomLeft = (1 << 7),
RoundedBottomRight = (1 << 8),
RoundedAll = (None
| RoundedTopLeft
| RoundedTopRight
| RoundedBottomLeft
| RoundedBottomRight),
Colored = (1 << 9),
TransparentBackground = (1 << 10),
};
using Options = base::flags<Option>;
inline constexpr auto is_flag_type(Option) { return true; };
QImage prepare(QImage img, int w, int h, Options options, int outerw, int outerh, const style::color *colored = nullptr);
} // namespace Images