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Code Issues Releases Wiki Activity

Animated transition on pattern-on-gradient resize.

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This commit is contained in:
John Preston
2021-08-13 21:18:06 +03:00
parent b9a9520ef5
commit 3dadcd9352
17 changed files with 213 additions and 135 deletions
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81
Telegram/SourceFiles/window/themes/window_theme.cpp
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@@ -730,8 +730,8 @@ void ChatBackground::set(const Data::WallPaper &paper, QImage image) {
Assert(colorForFill()
|| !_gradient.isNull()
|| (!_original.isNull()
&& !_pixmap.isNull()
&& !_pixmapForTiled.isNull()));
&& !_prepared.isNull()
&& !_preparedForTiled.isNull()));
_updates.fire({ BackgroundUpdate::Type::New, tile() }); // delayed?
if (needResetAdjustable) {
@@ -763,46 +763,42 @@ void ChatBackground::setPrepared(
}
_original = std::move(original);
_prepared = std::move(prepared);
_gradient = std::move(gradient);
preparePixmaps(std::move(prepared));
_imageMonoColor = _gradient.isNull()
? CalculateImageMonoColor(_prepared)
: std::nullopt;
prepareImageForTiled();
}
void ChatBackground::preparePixmaps(QImage image) {
const auto width = image.width();
const auto height = image.height();
void ChatBackground::prepareImageForTiled() {
const auto width = _prepared.width();
const auto height = _prepared.height();
const auto isSmallForTiled = (width > 0 && height > 0)
&& (width < kMinimumTiledSize || height < kMinimumTiledSize);
if (isSmallForTiled) {
const auto repeatTimesX = qCeil(kMinimumTiledSize / (1. * width));
const auto repeatTimesY = qCeil(kMinimumTiledSize / (1. * height));
auto imageForTiled = QImage(
width * repeatTimesX,
height * repeatTimesY,
QImage::Format_ARGB32_Premultiplied);
imageForTiled.setDevicePixelRatio(image.devicePixelRatio());
auto imageForTiledBytes = imageForTiled.bits();
auto bytesInLine = width * sizeof(uint32);
for (auto timesY = 0; timesY != repeatTimesY; ++timesY) {
auto imageBytes = image.constBits();
for (auto y = 0; y != height; ++y) {
for (auto timesX = 0; timesX != repeatTimesX; ++timesX) {
memcpy(imageForTiledBytes, imageBytes, bytesInLine);
imageForTiledBytes += bytesInLine;
}
imageBytes += image.bytesPerLine();
imageForTiledBytes += imageForTiled.bytesPerLine() - (repeatTimesX * bytesInLine);
}
}
_pixmapForTiled = Ui::PixmapFromImage(std::move(imageForTiled));
}
_imageMonoColor = _gradient.isNull()
? CalculateImageMonoColor(image)
: std::nullopt;
_pixmap = image.isNull()
? QPixmap()
: Ui::PixmapFromImage(std::move(image));
if (!isSmallForTiled) {
_pixmapForTiled = _pixmap;
_preparedForTiled = _prepared;
return;
}
const auto repeatTimesX = qCeil(kMinimumTiledSize / (1. * width));
const auto repeatTimesY = qCeil(kMinimumTiledSize / (1. * height));
_preparedForTiled = QImage(
width * repeatTimesX,
height * repeatTimesY,
QImage::Format_ARGB32_Premultiplied);
_preparedForTiled.setDevicePixelRatio(_prepared.devicePixelRatio());
auto imageForTiledBytes = _preparedForTiled.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 += _preparedForTiled.bytesPerLine() - (repeatTimesX * bytesInLine);
}
}
}
@@ -868,7 +864,7 @@ void ChatBackground::adjustPaletteUsingColor(QColor color) {
}
std::optional<QColor> ChatBackground::colorForFill() const {
return !_pixmap.isNull()
return !_prepared.isNull()
? imageMonoColor()
: !_gradient.isNull()
? std::nullopt
@@ -888,13 +884,12 @@ QImage ChatBackground::createCurrentImage() const {
result.fill(*fill);
return result;
} else if (_gradient.isNull()) {
return pixmap().toImage();
} else if (pixmap().isNull()) {
return _prepared;
} else if (_prepared.isNull()) {
return _gradient;
}
const auto &pattern = pixmap();
auto result = _gradient.scaled(
pattern.size(),
_prepared.size(),
Qt::IgnoreAspectRatio,
Qt::SmoothTransformation);
result.setDevicePixelRatio(1.);
@@ -902,7 +897,7 @@ QImage ChatBackground::createCurrentImage() const {
auto p = QPainter(&result);
p.setCompositionMode(QPainter::CompositionMode_SoftLight);
p.setOpacity(paper().patternOpacity());
p.drawPixmap(QRect(QPoint(), pattern.size()), pattern);
p.drawImage(QRect(QPoint(), _prepared.size()), _prepared);
}
return result;
}
@@ -1044,7 +1039,7 @@ void ChatBackground::setTestingTheme(Instance &&theme) {
saveForRevert();
set(
Data::details::TestingEditorWallPaper(),
std::move(_pixmap).toImage());
base::take(_prepared));
}
} else if (switchToThemeBackground) {
saveForRevert();