1058 lines
31 KiB
C++
1058 lines
31 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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#include "ui/chat/chat_theme.h"
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#include "ui/image/image_prepare.h"
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#include "ui/ui_utility.h"
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#include "ui/chat/message_bubble.h"
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#include "ui/chat/chat_style.h"
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#include "ui/style/style_core_palette.h"
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#include "ui/style/style_palette_colorizer.h"
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#include <crl/crl_async.h>
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#include <QtGui/QGuiApplication>
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namespace Ui {
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namespace {
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constexpr auto kMaxChatEntryHistorySize = 50;
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constexpr auto kCacheBackgroundTimeout = 1 * crl::time(1000);
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constexpr auto kCacheBackgroundFastTimeout = crl::time(200);
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constexpr auto kBackgroundFadeDuration = crl::time(200);
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constexpr auto kMinimumTiledSize = 512;
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constexpr auto kMaxSize = 2960;
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constexpr auto kMaxContrastValue = 21.;
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constexpr auto kMinAcceptableContrast = 1.14;// 4.5;
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[[nodiscard]] QColor DefaultBackgroundColor() {
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return QColor(213, 223, 233);
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}
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[[nodiscard]] int ComputeRealRotation(const CacheBackgroundRequest &request) {
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if (request.background.colors.size() < 3) {
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return request.background.gradientRotation;
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}
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const auto doubled = (request.background.gradientRotation
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+ request.gradientRotationAdd) % 720;
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return (((doubled % 2) ? (doubled - 45) : doubled) / 2) % 360;
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}
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[[nodiscard]] double ComputeRealProgress(
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const CacheBackgroundRequest &request) {
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if (request.background.colors.size() < 3) {
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return 1.;
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}
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const auto doubled = (request.background.gradientRotation
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+ request.gradientRotationAdd) % 720;
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return (doubled % 2) ? 0.5 : 1.;
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}
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[[nodiscard]] CacheBackgroundResult CacheBackground(
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const CacheBackgroundRequest &request) {
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Expects(!request.area.isEmpty());
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const auto gradient = request.background.gradientForFill.isNull()
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? QImage()
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: (request.gradientRotationAdd != 0)
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? Images::GenerateGradient(
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request.background.gradientForFill.size(),
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request.background.colors,
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ComputeRealRotation(request),
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ComputeRealProgress(request))
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: request.background.gradientForFill;
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if (request.background.isPattern
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|| request.background.tile
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|| request.background.prepared.isNull()) {
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auto result = gradient.isNull()
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? QImage(
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request.area * style::DevicePixelRatio(),
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QImage::Format_ARGB32_Premultiplied)
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: gradient.scaled(
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request.area * style::DevicePixelRatio(),
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Qt::IgnoreAspectRatio,
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Qt::SmoothTransformation);
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result.setDevicePixelRatio(style::DevicePixelRatio());
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if (!request.background.prepared.isNull()) {
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QPainter p(&result);
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if (!gradient.isNull()) {
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if (request.background.patternOpacity >= 0.) {
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p.setCompositionMode(QPainter::CompositionMode_SoftLight);
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p.setOpacity(request.background.patternOpacity);
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} else {
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p.setCompositionMode(
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QPainter::CompositionMode_DestinationIn);
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}
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}
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const auto tiled = request.background.isPattern
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? request.background.prepared.scaled(
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request.area.height() * style::DevicePixelRatio(),
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request.area.height() * style::DevicePixelRatio(),
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Qt::KeepAspectRatio,
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Qt::SmoothTransformation)
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: request.background.preparedForTiled;
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const auto w = tiled.width() / float(style::DevicePixelRatio());
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const auto h = tiled.height() / float(style::DevicePixelRatio());
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const auto cx = int(std::ceil(request.area.width() / w));
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const auto cy = int(std::ceil(request.area.height() / h));
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const auto rows = cy;
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const auto cols = request.background.isPattern
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? (((cx / 2) * 2) + 1)
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: cx;
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const auto xshift = request.background.isPattern
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? (request.area.width() - cols * w) / 2
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: 0;
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for (auto y = 0; y != rows; ++y) {
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for (auto x = 0; x != cols; ++x) {
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p.drawImage(QPointF(xshift + x * w, y * h), tiled);
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}
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}
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if (!gradient.isNull()
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&& request.background.patternOpacity < 0.
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&& request.background.patternOpacity > -1.) {
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p.setCompositionMode(QPainter::CompositionMode_SourceOver);
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p.setOpacity(1. + request.background.patternOpacity);
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p.fillRect(QRect(QPoint(), request.area), Qt::black);
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}
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}
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return {
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.image = std::move(result).convertToFormat(
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QImage::Format_ARGB32_Premultiplied),
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.gradient = gradient,
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.area = request.area,
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.waitingForNegativePattern
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= request.background.waitingForNegativePattern()
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};
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} else {
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const auto rects = ComputeChatBackgroundRects(
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request.area,
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request.background.prepared.size());
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auto result = request.background.prepared.copy(rects.from).scaled(
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rects.to.width() * style::DevicePixelRatio(),
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rects.to.height() * style::DevicePixelRatio(),
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Qt::IgnoreAspectRatio,
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Qt::SmoothTransformation);
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result.setDevicePixelRatio(style::DevicePixelRatio());
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return {
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.image = std::move(result).convertToFormat(
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QImage::Format_ARGB32_Premultiplied),
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.gradient = gradient,
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.area = request.area,
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.x = rects.to.x(),
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.y = rects.to.y(),
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};
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}
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}
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[[nodiscard]] QImage PrepareBubblesBackground(
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const ChatThemeBubblesData &data) {
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if (data.colors.size() < 2) {
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return QImage();
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}
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constexpr auto kSize = 512;
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return Images::GenerateLinearGradient(QSize(kSize, kSize), data.colors);
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}
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// https://stackoverflow.com/a/9733420
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[[nodiscard]] float64 CountContrast(const QColor &a, const QColor &b) {
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const auto luminance = [](const QColor &c) {
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const auto map = [](double value) {
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return (value <= 0.03928)
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? (value / 12.92)
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: std::pow((value + 0.055) / 1.055, 2.4);
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};
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return map(c.redF()) * 0.2126
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+ map(c.greenF()) * 0.7152
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+ map(c.blueF()) * 0.0722;
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};
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const auto luminance1 = luminance(a);
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const auto luminance2 = luminance(b);
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const auto brightest = std::max(luminance1, luminance2);
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const auto darkest = std::min(luminance1, luminance2);
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return (brightest + 0.05) / (darkest + 0.05);
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}
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} // namespace
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bool operator==(const ChatThemeBackground &a, const ChatThemeBackground &b) {
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return (a.prepared.cacheKey() == b.prepared.cacheKey())
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&& (a.gradientForFill.cacheKey() == b.gradientForFill.cacheKey())
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&& (a.tile == b.tile)
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&& (a.patternOpacity == b.patternOpacity);
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}
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bool operator!=(const ChatThemeBackground &a, const ChatThemeBackground &b) {
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return !(a == b);
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}
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bool operator==(
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const CacheBackgroundRequest &a,
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const CacheBackgroundRequest &b) {
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return (a.background == b.background)
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&& (a.area == b.area)
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&& (a.gradientRotationAdd == b.gradientRotationAdd)
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&& (a.gradientProgress == b.gradientProgress);
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}
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bool operator!=(
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const CacheBackgroundRequest &a,
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const CacheBackgroundRequest &b) {
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return !(a == b);
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}
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CachedBackground::CachedBackground(CacheBackgroundResult &&result)
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: pixmap(PixmapFromImage(std::move(result.image)))
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, area(result.area)
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, x(result.x)
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, y(result.y)
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, waitingForNegativePattern(result.waitingForNegativePattern) {
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}
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ChatTheme::ChatTheme() {
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}
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// Runs from background thread.
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ChatTheme::ChatTheme(ChatThemeDescriptor &&descriptor)
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: _id(descriptor.id)
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, _palette(std::make_unique<style::palette>()) {
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descriptor.preparePalette(*_palette);
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setBackground(PrepareBackgroundImage(descriptor.backgroundData));
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setBubblesBackground(PrepareBubblesBackground(descriptor.bubblesData));
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adjustPalette(descriptor);
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}
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ChatTheme::~ChatTheme() = default;
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void ChatTheme::adjustPalette(const ChatThemeDescriptor &descriptor) {
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auto &p = *_palette;
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const auto overrideOutBg = (descriptor.bubblesData.colors.size() == 1);
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if (overrideOutBg) {
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set(p.msgOutBg(), descriptor.bubblesData.colors.front());
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}
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const auto &background = descriptor.backgroundData.colors;
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if (!background.empty()) {
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const auto average = CountAverageColor(background);
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adjust(p.msgServiceBg(), average);
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adjust(p.msgServiceBgSelected(), average);
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adjust(p.historyScrollBg(), average);
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adjust(p.historyScrollBgOver(), average);
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adjust(p.historyScrollBarBg(), average);
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adjust(p.historyScrollBarBgOver(), average);
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}
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const auto bubblesAccent = descriptor.bubblesData.accent
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? descriptor.bubblesData.accent
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: (!descriptor.bubblesData.colors.empty())
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? ThemeAdjustedColor(
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p.msgOutReplyBarColor()->c,
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CountAverageColor(descriptor.bubblesData.colors))
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: std::optional<QColor>();
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if (bubblesAccent) {
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// First set hue/saturation the same for all those colors from accent.
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const auto by = *bubblesAccent;
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if (!overrideOutBg) {
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adjust(p.msgOutBg(), by);
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}
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adjust(p.msgOutShadow(), by);
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adjust(p.msgOutServiceFg(), by);
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adjust(p.msgOutDateFg(), by);
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adjust(p.msgFileThumbLinkOutFg(), by);
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adjust(p.msgFileOutBg(), by);
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adjust(p.msgOutReplyBarColor(), by);
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adjust(p.msgWaveformOutActive(), by);
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adjust(p.msgWaveformOutInactive(), by);
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adjust(p.historyFileOutRadialFg(), by); // historyFileOutIconFg
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adjust(p.mediaOutFg(), by);
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adjust(p.historyLinkOutFg(), by);
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adjust(p.msgOutMonoFg(), by);
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adjust(p.historyOutIconFg(), by);
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adjust(p.historySendingOutIconFg(), by);
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adjust(p.historyCallArrowOutFg(), by);
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adjust(p.historyFileOutIconFg(), by); // msgOutBg
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// After make msgFileOutBg exact accent and adjust some others.
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const auto colorizer = bubblesAccentColorizer(by);
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adjust(p.msgOutServiceFg(), colorizer);
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adjust(p.msgOutDateFg(), colorizer);
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adjust(p.msgFileThumbLinkOutFg(), colorizer);
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adjust(p.msgFileOutBg(), colorizer);
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adjust(p.msgOutReplyBarColor(), colorizer);
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adjust(p.msgWaveformOutActive(), colorizer);
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adjust(p.msgWaveformOutInactive(), colorizer);
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adjust(p.mediaOutFg(), colorizer);
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adjust(p.historyLinkOutFg(), colorizer);
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adjust(p.historyOutIconFg(), colorizer);
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adjust(p.historySendingOutIconFg(), colorizer);
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adjust(p.historyCallArrowOutFg(), colorizer);
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if (!descriptor.basedOnDark) {
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adjust(p.msgOutBgSelected(), by);
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adjust(p.msgOutShadowSelected(), by);
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adjust(p.msgOutServiceFgSelected(), by);
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adjust(p.msgOutDateFgSelected(), by);
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adjust(p.msgFileThumbLinkOutFgSelected(), by);
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adjust(p.msgFileOutBgSelected(), by);
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adjust(p.msgOutReplyBarSelColor(), by);
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adjust(p.msgWaveformOutActiveSelected(), by);
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adjust(p.msgWaveformOutInactiveSelected(), by);
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adjust(p.historyFileOutRadialFgSelected(), by);
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adjust(p.mediaOutFgSelected(), by);
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adjust(p.historyLinkOutFgSelected(), by);
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adjust(p.msgOutMonoFgSelected(), by);
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adjust(p.historyOutIconFgSelected(), by);
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// adjust(p.historySendingOutIconFgSelected(), by);
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adjust(p.historyCallArrowOutFgSelected(), by);
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adjust(p.historyFileOutIconFgSelected(), by); // msgOutBg
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adjust(p.msgOutServiceFgSelected(), colorizer);
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adjust(p.msgOutDateFgSelected(), colorizer);
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adjust(p.msgFileThumbLinkOutFgSelected(), colorizer);
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adjust(p.msgFileOutBgSelected(), colorizer);
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adjust(p.msgOutReplyBarSelColor(), colorizer);
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adjust(p.msgWaveformOutActiveSelected(), colorizer);
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adjust(p.msgWaveformOutInactiveSelected(), colorizer);
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adjust(p.mediaOutFgSelected(), colorizer);
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adjust(p.historyLinkOutFgSelected(), colorizer);
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adjust(p.historyOutIconFgSelected(), colorizer);
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//adjust(p.historySendingOutIconFgSelected(), colorizer);
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adjust(p.historyCallArrowOutFgSelected(), colorizer);
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}
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}
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auto outBgColors = descriptor.bubblesData.colors;
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if (outBgColors.empty()) {
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outBgColors.push_back(p.msgOutBg()->c);
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}
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const auto colors = {
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p.msgOutServiceFg(),
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p.msgOutDateFg(),
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p.msgFileThumbLinkOutFg(),
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p.msgFileOutBg(),
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p.msgOutReplyBarColor(),
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p.msgWaveformOutActive(),
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p.historyTextOutFg(),
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p.mediaOutFg(),
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p.historyLinkOutFg(),
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p.msgOutMonoFg(),
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p.historyOutIconFg(),
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p.historyCallArrowOutFg(),
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};
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const auto minimal = [&](const QColor &with) {
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auto result = kMaxContrastValue;
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for (const auto &color : colors) {
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result = std::min(result, CountContrast(color->c, with));
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}
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return result;
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};
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const auto withBg = [&](auto &&count) {
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auto result = kMaxContrastValue;
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for (const auto &bg : outBgColors) {
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result = std::min(result, count(bg));
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}
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return result;
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};
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//const auto singleWithBg = [&](const QColor &c) {
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// return withBg([&](const QColor &with) {
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// return CountContrast(c, with);
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// });
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//};
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if (withBg(minimal) < kMinAcceptableContrast) {
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const auto white = QColor(255, 255, 255);
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const auto black = QColor(0, 0, 0);
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// This one always gives black :)
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//const auto now = (singleWithBg(white) >= singleWithBg(black))
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// ? white
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// : black;
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const auto now = descriptor.basedOnDark ? white : black;
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for (const auto &color : colors) {
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set(color, now);
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}
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}
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}
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style::colorizer ChatTheme::bubblesAccentColorizer(
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const QColor &accent) const {
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const auto color = [](const QColor &value) {
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auto hue = 0;
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auto saturation = 0;
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auto lightness = 0;
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value.getHsv(&hue, &saturation, &lightness);
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return style::colorizer::Color{ hue, saturation, lightness };
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};
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return {
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.hueThreshold = 255,
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.was = color(_palette->msgFileOutBg()->c),
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.now = color(accent),
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};
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}
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void ChatTheme::set(const style::color &my, const QColor &color) {
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auto r = 0, g = 0, b = 0, a = 0;
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color.getRgb(&r, &g, &b, &a);
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my.set(uchar(r), uchar(g), uchar(b), uchar(a));
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}
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void ChatTheme::adjust(const style::color &my, const QColor &by) {
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set(my, ThemeAdjustedColor(my->c, by));
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}
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void ChatTheme::adjust(const style::color &my, const style::colorizer &by) {
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if (const auto adjusted = style::colorize(my->c, by)) {
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set(my, *adjusted);
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}
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}
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void ChatTheme::setBackground(ChatThemeBackground &&background) {
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_mutableBackground = std::move(background);
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_backgroundState = {};
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_backgroundNext = {};
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_backgroundFade.stop();
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if (_cacheBackgroundTimer) {
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_cacheBackgroundTimer->cancel();
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}
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_repaintBackgroundRequests.fire({});
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}
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void ChatTheme::updateBackgroundImageFrom(ChatThemeBackground &&background) {
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_mutableBackground.prepared = std::move(background.prepared);
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_mutableBackground.preparedForTiled = std::move(
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background.preparedForTiled);
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if (!_backgroundState.now.pixmap.isNull()) {
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if (_cacheBackgroundTimer) {
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_cacheBackgroundTimer->cancel();
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}
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cacheBackgroundNow();
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} else {
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_repaintBackgroundRequests.fire({});
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}
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}
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uint64 ChatTheme::key() const {
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return _id;
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}
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void ChatTheme::setBubblesBackground(QImage image) {
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if (image.isNull() && _bubblesBackgroundPrepared.isNull()) {
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return;
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}
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_bubblesBackgroundPrepared = std::move(image);
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if (_bubblesBackgroundPrepared.isNull()) {
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_bubblesBackgroundPattern = nullptr;
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_repaintBackgroundRequests.fire({});
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return;
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}
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_bubblesBackground = CacheBackground({
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.background = {
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.prepared = _bubblesBackgroundPrepared,
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},
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.area = (_bubblesBackground.area.isEmpty()
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? _bubblesBackgroundPrepared.size()
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: _bubblesBackground.area),
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});
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if (!_bubblesBackgroundPattern) {
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_bubblesBackgroundPattern = PrepareBubblePattern(palette());
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}
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_bubblesBackgroundPattern->pixmap = _bubblesBackground.pixmap;
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_repaintBackgroundRequests.fire({});
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}
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ChatPaintContext ChatTheme::preparePaintContext(
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not_null<const ChatStyle*> st,
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QRect viewport,
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QRect clip) {
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const auto area = viewport.size();
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if (!_bubblesBackgroundPrepared.isNull()
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&& _bubblesBackground.area != area) {
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if (!_cacheBubblesTimer) {
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_cacheBubblesTimer.emplace([=] { cacheBubbles(); });
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}
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if (_cacheBubblesArea != area
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|| (!_cacheBubblesTimer->isActive()
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&& !_bubblesCachingRequest)) {
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_cacheBubblesArea = area;
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_lastBubblesAreaChangeTime = crl::now();
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_cacheBubblesTimer->callOnce(kCacheBackgroundFastTimeout);
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}
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}
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return {
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.st = st,
|
|
.bubblesPattern = _bubblesBackgroundPattern.get(),
|
|
.viewport = viewport,
|
|
.clip = clip,
|
|
.now = crl::now(),
|
|
};
|
|
}
|
|
|
|
const BackgroundState &ChatTheme::backgroundState(QSize area) {
|
|
if (!_cacheBackgroundTimer) {
|
|
_cacheBackgroundTimer.emplace([=] { cacheBackground(); });
|
|
}
|
|
_backgroundState.shown = _backgroundFade.value(1.);
|
|
if (_backgroundState.now.pixmap.isNull()
|
|
&& !background().gradientForFill.isNull()) {
|
|
// We don't support direct painting of patterned gradients.
|
|
// So we need to sync-generate cache image here.
|
|
_cacheBackgroundArea = area;
|
|
setCachedBackground(CacheBackground(cacheBackgroundRequest(area)));
|
|
_cacheBackgroundTimer->cancel();
|
|
} else if (_backgroundState.now.area != area) {
|
|
if (_cacheBackgroundArea != area
|
|
|| (!_cacheBackgroundTimer->isActive()
|
|
&& !_backgroundCachingRequest)) {
|
|
_cacheBackgroundArea = area;
|
|
_lastBackgroundAreaChangeTime = crl::now();
|
|
_cacheBackgroundTimer->callOnce(kCacheBackgroundFastTimeout);
|
|
}
|
|
}
|
|
generateNextBackgroundRotation();
|
|
return _backgroundState;
|
|
}
|
|
|
|
void ChatTheme::clearBackgroundState() {
|
|
_backgroundState = BackgroundState();
|
|
_backgroundFade.stop();
|
|
}
|
|
|
|
bool ChatTheme::readyForBackgroundRotation() const {
|
|
Expects(_cacheBackgroundTimer.has_value());
|
|
|
|
return !anim::Disabled()
|
|
&& !_backgroundFade.animating()
|
|
&& !_cacheBackgroundTimer->isActive()
|
|
&& !_backgroundState.now.pixmap.isNull();
|
|
}
|
|
|
|
void ChatTheme::generateNextBackgroundRotation() {
|
|
if (_backgroundCachingRequest
|
|
|| !_backgroundNext.image.isNull()
|
|
|| !readyForBackgroundRotation()) {
|
|
return;
|
|
}
|
|
if (background().colors.size() < 3) {
|
|
return;
|
|
}
|
|
constexpr auto kAddRotationDoubled = (720 - 45);
|
|
const auto request = cacheBackgroundRequest(
|
|
_backgroundState.now.area,
|
|
kAddRotationDoubled);
|
|
if (!request) {
|
|
return;
|
|
}
|
|
cacheBackgroundAsync(request, [=](CacheBackgroundResult &&result) {
|
|
const auto forRequest = base::take(_backgroundCachingRequest);
|
|
if (!readyForBackgroundRotation()) {
|
|
return;
|
|
}
|
|
const auto request = cacheBackgroundRequest(
|
|
_backgroundState.now.area,
|
|
kAddRotationDoubled);
|
|
if (forRequest == request) {
|
|
_mutableBackground.gradientRotation
|
|
= (_mutableBackground.gradientRotation
|
|
+ kAddRotationDoubled) % 720;
|
|
_backgroundNext = std::move(result);
|
|
}
|
|
});
|
|
}
|
|
|
|
auto ChatTheme::cacheBackgroundRequest(QSize area, int addRotation) const
|
|
-> CacheBackgroundRequest {
|
|
if (background().colorForFill) {
|
|
return {};
|
|
}
|
|
return {
|
|
.background = background(),
|
|
.area = area,
|
|
.gradientRotationAdd = addRotation,
|
|
};
|
|
}
|
|
|
|
void ChatTheme::cacheBackground() {
|
|
Expects(_cacheBackgroundTimer.has_value());
|
|
|
|
const auto now = crl::now();
|
|
if (now - _lastBackgroundAreaChangeTime < kCacheBackgroundTimeout
|
|
&& QGuiApplication::mouseButtons() != 0) {
|
|
_cacheBackgroundTimer->callOnce(kCacheBackgroundFastTimeout);
|
|
return;
|
|
}
|
|
cacheBackgroundNow();
|
|
}
|
|
|
|
void ChatTheme::cacheBackgroundNow() {
|
|
if (!_backgroundCachingRequest) {
|
|
if (const auto request = cacheBackgroundRequest(
|
|
_cacheBackgroundArea)) {
|
|
cacheBackgroundAsync(request);
|
|
}
|
|
}
|
|
}
|
|
|
|
void ChatTheme::cacheBackgroundAsync(
|
|
const CacheBackgroundRequest &request,
|
|
Fn<void(CacheBackgroundResult&&)> done) {
|
|
_backgroundCachingRequest = request;
|
|
const auto weak = base::make_weak(this);
|
|
crl::async([=] {
|
|
if (!weak) {
|
|
return;
|
|
}
|
|
crl::on_main(weak, [=, result = CacheBackground(request)]() mutable {
|
|
if (done) {
|
|
done(std::move(result));
|
|
} else if (const auto request = cacheBackgroundRequest(
|
|
_cacheBackgroundArea)) {
|
|
if (_backgroundCachingRequest != request) {
|
|
cacheBackgroundAsync(request);
|
|
} else {
|
|
_backgroundCachingRequest = {};
|
|
setCachedBackground(std::move(result));
|
|
}
|
|
}
|
|
});
|
|
});
|
|
}
|
|
|
|
void ChatTheme::setCachedBackground(CacheBackgroundResult &&cached) {
|
|
_backgroundNext = {};
|
|
|
|
if (background().gradientForFill.isNull()
|
|
|| _backgroundState.now.pixmap.isNull()
|
|
|| anim::Disabled()) {
|
|
_backgroundFade.stop();
|
|
_backgroundState.shown = 1.;
|
|
_backgroundState.now = std::move(cached);
|
|
return;
|
|
}
|
|
// #TODO themes compose several transitions.
|
|
_backgroundState.was = std::move(_backgroundState.now);
|
|
_backgroundState.now = std::move(cached);
|
|
_backgroundState.shown = 0.;
|
|
const auto callback = [=] {
|
|
if (!_backgroundFade.animating()) {
|
|
_backgroundState.was = {};
|
|
_backgroundState.shown = 1.;
|
|
}
|
|
_repaintBackgroundRequests.fire({});
|
|
};
|
|
_backgroundFade.start(
|
|
callback,
|
|
0.,
|
|
1.,
|
|
kBackgroundFadeDuration);
|
|
}
|
|
|
|
auto ChatTheme::cacheBubblesRequest(QSize area) const
|
|
-> CacheBackgroundRequest {
|
|
if (_bubblesBackgroundPrepared.isNull()) {
|
|
return {};
|
|
}
|
|
return {
|
|
.background = {
|
|
.gradientForFill = _bubblesBackgroundPrepared,
|
|
},
|
|
.area = area,
|
|
};
|
|
}
|
|
|
|
void ChatTheme::cacheBubbles() {
|
|
Expects(_cacheBubblesTimer.has_value());
|
|
|
|
const auto now = crl::now();
|
|
if (now - _lastBubblesAreaChangeTime < kCacheBackgroundTimeout
|
|
&& QGuiApplication::mouseButtons() != 0) {
|
|
_cacheBubblesTimer->callOnce(kCacheBackgroundFastTimeout);
|
|
return;
|
|
}
|
|
cacheBubblesNow();
|
|
}
|
|
|
|
void ChatTheme::cacheBubblesNow() {
|
|
if (!_bubblesCachingRequest) {
|
|
if (const auto request = cacheBackgroundRequest(
|
|
_cacheBubblesArea)) {
|
|
cacheBubblesAsync(request);
|
|
}
|
|
}
|
|
}
|
|
|
|
void ChatTheme::cacheBubblesAsync(
|
|
const CacheBackgroundRequest &request) {
|
|
_bubblesCachingRequest = request;
|
|
const auto weak = base::make_weak(this);
|
|
crl::async([=] {
|
|
if (!weak) {
|
|
return;
|
|
}
|
|
crl::on_main(weak, [=, result = CacheBackground(request)]() mutable {
|
|
if (const auto request = cacheBubblesRequest(
|
|
_cacheBubblesArea)) {
|
|
if (_bubblesCachingRequest != request) {
|
|
cacheBubblesAsync(request);
|
|
} else {
|
|
_bubblesCachingRequest = {};
|
|
_bubblesBackground = std::move(result);
|
|
_bubblesBackgroundPattern->pixmap
|
|
= _bubblesBackground.pixmap;
|
|
}
|
|
}
|
|
});
|
|
});
|
|
}
|
|
|
|
rpl::producer<> ChatTheme::repaintBackgroundRequests() const {
|
|
return _repaintBackgroundRequests.events();
|
|
}
|
|
|
|
void ChatTheme::rotateComplexGradientBackground() {
|
|
if (!_backgroundFade.animating() && !_backgroundNext.image.isNull()) {
|
|
if (_mutableBackground.gradientForFill.size()
|
|
== _backgroundNext.gradient.size()) {
|
|
_mutableBackground.gradientForFill
|
|
= std::move(_backgroundNext.gradient);
|
|
}
|
|
setCachedBackground(base::take(_backgroundNext));
|
|
}
|
|
}
|
|
|
|
ChatBackgroundRects ComputeChatBackgroundRects(
|
|
QSize fillSize,
|
|
QSize imageSize) {
|
|
if (uint64(imageSize.width()) * fillSize.height()
|
|
> uint64(imageSize.height()) * fillSize.width()) {
|
|
const auto pxsize = fillSize.height() / float64(imageSize.height());
|
|
auto takewidth = int(std::ceil(fillSize.width() / pxsize));
|
|
if (takewidth > imageSize.width()) {
|
|
takewidth = imageSize.width();
|
|
} else if ((imageSize.width() % 2) != (takewidth % 2)) {
|
|
++takewidth;
|
|
}
|
|
return {
|
|
.from = QRect(
|
|
(imageSize.width() - takewidth) / 2,
|
|
0,
|
|
takewidth,
|
|
imageSize.height()),
|
|
.to = QRect(
|
|
int((fillSize.width() - takewidth * pxsize) / 2.),
|
|
0,
|
|
int(std::ceil(takewidth * pxsize)),
|
|
fillSize.height()),
|
|
};
|
|
} else {
|
|
const auto pxsize = fillSize.width() / float64(imageSize.width());
|
|
auto takeheight = int(std::ceil(fillSize.height() / pxsize));
|
|
if (takeheight > imageSize.height()) {
|
|
takeheight = imageSize.height();
|
|
} else if ((imageSize.height() % 2) != (takeheight % 2)) {
|
|
++takeheight;
|
|
}
|
|
return {
|
|
.from = QRect(
|
|
0,
|
|
(imageSize.height() - takeheight) / 2,
|
|
imageSize.width(),
|
|
takeheight),
|
|
.to = QRect(
|
|
0,
|
|
int((fillSize.height() - takeheight * pxsize) / 2.),
|
|
fillSize.width(),
|
|
int(std::ceil(takeheight * pxsize))),
|
|
};
|
|
}
|
|
}
|
|
|
|
QColor CountAverageColor(const QImage &image) {
|
|
Expects(image.format() == QImage::Format_ARGB32_Premultiplied
|
|
|| image.format() == QImage::Format_RGB32);
|
|
|
|
uint64 components[3] = { 0 };
|
|
const auto w = image.width();
|
|
const auto h = image.height();
|
|
const auto size = w * h;
|
|
if (const auto pix = image.constBits()) {
|
|
for (auto i = 0, l = size * 4; i != l; i += 4) {
|
|
components[2] += pix[i + 0];
|
|
components[1] += pix[i + 1];
|
|
components[0] += pix[i + 2];
|
|
}
|
|
}
|
|
if (size) {
|
|
for (auto &component : components) {
|
|
component /= size;
|
|
}
|
|
}
|
|
return QColor(components[0], components[1], components[2]);
|
|
}
|
|
|
|
QColor CountAverageColor(const std::vector<QColor> &colors) {
|
|
Expects(colors.size() < (std::numeric_limits<int>::max() / 256));
|
|
|
|
int components[3] = { 0 };
|
|
auto r = 0;
|
|
auto g = 0;
|
|
auto b = 0;
|
|
for (const auto &color : colors) {
|
|
color.getRgb(&r, &g, &b);
|
|
components[0] += r;
|
|
components[1] += g;
|
|
components[2] += b;
|
|
}
|
|
if (const auto size = colors.size()) {
|
|
for (auto &component : components) {
|
|
component /= size;
|
|
}
|
|
}
|
|
return QColor(components[0], components[1], components[2]);
|
|
}
|
|
|
|
bool IsPatternInverted(
|
|
const std::vector<QColor> &background,
|
|
float64 patternOpacity) {
|
|
return (patternOpacity > 0.)
|
|
&& (CountAverageColor(background).toHsv().valueF() <= 0.3);
|
|
}
|
|
|
|
QColor ThemeAdjustedColor(QColor original, QColor background) {
|
|
return QColor::fromHslF(
|
|
background.hslHueF(),
|
|
background.hslSaturationF(),
|
|
original.lightnessF(),
|
|
original.alphaF()
|
|
).toRgb();
|
|
}
|
|
|
|
QImage PreprocessBackgroundImage(QImage image) {
|
|
if (image.isNull()) {
|
|
return image;
|
|
}
|
|
if (image.format() != QImage::Format_ARGB32_Premultiplied) {
|
|
image = std::move(image).convertToFormat(
|
|
QImage::Format_ARGB32_Premultiplied);
|
|
}
|
|
if (image.width() > 40 * image.height()) {
|
|
const auto width = 40 * image.height();
|
|
const auto height = image.height();
|
|
image = image.copy((image.width() - width) / 2, 0, width, height);
|
|
} else if (image.height() > 40 * image.width()) {
|
|
const auto width = image.width();
|
|
const auto height = 40 * image.width();
|
|
image = image.copy(0, (image.height() - height) / 2, width, height);
|
|
}
|
|
if (image.width() > kMaxSize || image.height() > kMaxSize) {
|
|
image = image.scaled(
|
|
kMaxSize,
|
|
kMaxSize,
|
|
Qt::KeepAspectRatio,
|
|
Qt::SmoothTransformation);
|
|
}
|
|
return image;
|
|
}
|
|
|
|
std::optional<QColor> CalculateImageMonoColor(const QImage &image) {
|
|
Expects(image.bytesPerLine() == 4 * image.width());
|
|
|
|
if (image.isNull()) {
|
|
return std::nullopt;
|
|
}
|
|
const auto bits = reinterpret_cast<const uint32*>(image.constBits());
|
|
const auto first = bits[0];
|
|
for (auto i = 0; i < image.width() * image.height(); i++) {
|
|
if (first != bits[i]) {
|
|
return std::nullopt;
|
|
}
|
|
}
|
|
return image.pixelColor(QPoint());
|
|
}
|
|
|
|
QImage PrepareImageForTiled(const QImage &prepared) {
|
|
const auto width = prepared.width();
|
|
const auto height = prepared.height();
|
|
const auto isSmallForTiled = (width > 0 && height > 0)
|
|
&& (width < kMinimumTiledSize || height < kMinimumTiledSize);
|
|
if (!isSmallForTiled) {
|
|
return prepared;
|
|
}
|
|
const auto repeatTimesX = (kMinimumTiledSize + width - 1) / width;
|
|
const auto repeatTimesY = (kMinimumTiledSize + height - 1) / height;
|
|
auto result = QImage(
|
|
width * repeatTimesX,
|
|
height * repeatTimesY,
|
|
QImage::Format_ARGB32_Premultiplied);
|
|
result.setDevicePixelRatio(prepared.devicePixelRatio());
|
|
auto imageForTiledBytes = result.bits();
|
|
auto bytesInLine = width * sizeof(uint32);
|
|
for (auto timesY = 0; timesY != repeatTimesY; ++timesY) {
|
|
auto imageBytes = prepared.constBits();
|
|
for (auto y = 0; y != height; ++y) {
|
|
for (auto timesX = 0; timesX != repeatTimesX; ++timesX) {
|
|
memcpy(imageForTiledBytes, imageBytes, bytesInLine);
|
|
imageForTiledBytes += bytesInLine;
|
|
}
|
|
imageBytes += prepared.bytesPerLine();
|
|
imageForTiledBytes += result.bytesPerLine() - (repeatTimesX * bytesInLine);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
[[nodiscard]] QImage ReadBackgroundImage(
|
|
const QString &path,
|
|
const QByteArray &content,
|
|
bool gzipSvg) {
|
|
return Images::Read({
|
|
.path = path,
|
|
.content = content,
|
|
.maxSize = QSize(kMaxSize, kMaxSize),
|
|
.gzipSvg = gzipSvg,
|
|
}).image;
|
|
}
|
|
|
|
QImage GenerateBackgroundImage(
|
|
QSize size,
|
|
const std::vector<QColor> &bg,
|
|
int gradientRotation,
|
|
float64 patternOpacity,
|
|
Fn<void(QPainter&,bool)> drawPattern) {
|
|
auto result = bg.empty()
|
|
? Images::GenerateGradient(size, { DefaultBackgroundColor() })
|
|
: Images::GenerateGradient(size, bg, gradientRotation);
|
|
if (bg.size() > 1 && (!drawPattern || patternOpacity >= 0.)) {
|
|
result = Images::DitherImage(std::move(result));
|
|
}
|
|
if (drawPattern) {
|
|
auto p = QPainter(&result);
|
|
if (patternOpacity >= 0.) {
|
|
p.setCompositionMode(QPainter::CompositionMode_SoftLight);
|
|
p.setOpacity(patternOpacity);
|
|
} else {
|
|
p.setCompositionMode(QPainter::CompositionMode_DestinationIn);
|
|
}
|
|
drawPattern(p, IsPatternInverted(bg, patternOpacity));
|
|
if (patternOpacity < 0. && patternOpacity > -1.) {
|
|
p.setCompositionMode(QPainter::CompositionMode_SourceOver);
|
|
p.setOpacity(1. + patternOpacity);
|
|
p.fillRect(QRect{ QPoint(), size }, Qt::black);
|
|
}
|
|
}
|
|
|
|
return std::move(result).convertToFormat(
|
|
QImage::Format_ARGB32_Premultiplied);
|
|
}
|
|
|
|
QImage PreparePatternImage(
|
|
QImage pattern,
|
|
const std::vector<QColor> &bg,
|
|
int gradientRotation,
|
|
float64 patternOpacity) {
|
|
auto result = GenerateBackgroundImage(
|
|
pattern.size(),
|
|
bg,
|
|
gradientRotation,
|
|
patternOpacity,
|
|
[&](QPainter &p, bool inverted) {
|
|
if (inverted) {
|
|
pattern = InvertPatternImage(std::move(pattern));
|
|
}
|
|
p.drawImage(QRect(QPoint(), pattern.size()), pattern);
|
|
});
|
|
|
|
pattern = QImage();
|
|
return result;
|
|
}
|
|
|
|
QImage InvertPatternImage(QImage pattern) {
|
|
pattern = std::move(pattern).convertToFormat(
|
|
QImage::Format_ARGB32_Premultiplied);
|
|
const auto w = pattern.bytesPerLine() / 4;
|
|
auto ints = reinterpret_cast<uint32*>(pattern.bits());
|
|
for (auto y = 0, h = pattern.height(); y != h; ++y) {
|
|
for (auto x = 0; x != w; ++x) {
|
|
const auto value = (*ints >> 24);
|
|
*ints++ = (value << 24)
|
|
| (value << 16)
|
|
| (value << 8)
|
|
| value;
|
|
}
|
|
}
|
|
return pattern;
|
|
}
|
|
|
|
QImage PrepareBlurredBackground(QImage image) {
|
|
constexpr auto kSize = 900;
|
|
constexpr auto kRadius = 24;
|
|
if (image.width() > kSize || image.height() > kSize) {
|
|
image = image.scaled(
|
|
kSize,
|
|
kSize,
|
|
Qt::KeepAspectRatio,
|
|
Qt::SmoothTransformation);
|
|
}
|
|
return Images::BlurLargeImage(image, kRadius);
|
|
}
|
|
|
|
QImage GenerateDitheredGradient(
|
|
const std::vector<QColor> &colors,
|
|
int rotation) {
|
|
constexpr auto kSize = 512;
|
|
const auto size = QSize(kSize, kSize);
|
|
if (colors.empty()) {
|
|
return Images::GenerateGradient(size, { DefaultBackgroundColor() });
|
|
}
|
|
auto result = Images::GenerateGradient(size, colors, rotation);
|
|
if (colors.size() > 1) {
|
|
result = Images::DitherImage(std::move(result));
|
|
}
|
|
return result;
|
|
}
|
|
|
|
ChatThemeBackground PrepareBackgroundImage(
|
|
const ChatThemeBackgroundData &data) {
|
|
auto prepared = (data.isPattern || data.colors.empty())
|
|
? PreprocessBackgroundImage(
|
|
ReadBackgroundImage(data.path, data.bytes, data.gzipSvg))
|
|
: QImage();
|
|
if (data.isPattern && !prepared.isNull()) {
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if (data.colors.size() < 2) {
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|
prepared = PreparePatternImage(
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|
std::move(prepared),
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|
data.colors,
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|
data.gradientRotation,
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|
data.patternOpacity);
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} else if (IsPatternInverted(data.colors, data.patternOpacity)) {
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|
prepared = InvertPatternImage(std::move(prepared));
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|
}
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|
prepared.setDevicePixelRatio(style::DevicePixelRatio());
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|
} else if (data.colors.empty()) {
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|
prepared.setDevicePixelRatio(style::DevicePixelRatio());
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|
}
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|
const auto imageMonoColor = (data.colors.size() < 2)
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|
? CalculateImageMonoColor(prepared)
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|
: std::nullopt;
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|
if (!prepared.isNull() && !data.isPattern && data.isBlurred) {
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|
prepared = PrepareBlurredBackground(std::move(prepared));
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|
}
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auto gradientForFill = (data.generateGradient && data.colors.size() > 1)
|
|
? Ui::GenerateDitheredGradient(data.colors, data.gradientRotation)
|
|
: QImage();
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|
return ChatThemeBackground{
|
|
.prepared = prepared,
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|
.preparedForTiled = PrepareImageForTiled(prepared),
|
|
.gradientForFill = std::move(gradientForFill),
|
|
.colorForFill = (!prepared.isNull()
|
|
? imageMonoColor
|
|
: (data.colors.size() > 1 || data.colors.empty())
|
|
? std::nullopt
|
|
: std::make_optional(data.colors.front())),
|
|
.colors = data.colors,
|
|
.patternOpacity = data.patternOpacity,
|
|
.gradientRotation = data.generateGradient ? data.gradientRotation : 0,
|
|
.isPattern = data.isPattern,
|
|
};
|
|
}
|
|
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} // namespace Window::Theme
|