kotatogram/lib_ui
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Lock access to IconMasks.

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This commit is contained in:
John Preston 2021-09-24 19:09:58 +04:00
parent 29cfdad44c
commit d5fb147f2c
1 changed files with 31 additions and 15 deletions
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46
ui/style/style_core_icon.cpp
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@ -10,6 +10,7 @@
#include "ui/style/style_core.h"
#include "base/basic_types.h"
#include <QtCore/QMutex>
#include <QtGui/QPainter>
namespace style {
@ -20,11 +21,15 @@ uint32 colorKey(QColor c) {
return (((((uint32(c.red()) << 8) | uint32(c.green())) << 8) | uint32(c.blue())) << 8) | uint32(c.alpha());
}
base::flat_map<const IconMask*, QImage> iconMasks;
base::flat_map<const IconMask*, QImage> IconMasks;
QMutex IconMasksMutex;
base::flat_map<QPair<const IconMask*, uint32>, QPixmap> iconPixmaps;
base::flat_set<IconData*> iconData;
QImage createIconMask(const IconMask *mask, int scale) {
[[nodiscard]] QImage CreateIconMask(
not_null<const IconMask*> mask,
int scale) {
auto maskImage = QImage::fromData(mask->data(), mask->size(), "PNG");
maskImage.setDevicePixelRatio(DevicePixelRatio());
Assert(!maskImage.isNull());
@ -55,6 +60,17 @@ QImage createIconMask(const IconMask *mask, int scale) {
Qt::SmoothTransformation);
}
[[nodiscard]] QImage ResolveIconMask(not_null<const IconMask*> mask) {
QMutexLocker lock(&IconMasksMutex);
if (const auto i = IconMasks.find(mask); i != end(IconMasks)) {
return i->second;
}
return IconMasks.emplace(
mask,
CreateIconMask(mask, Scale())
).first->second;
}
QSize readGeneratedSize(const IconMask *mask, int scale) {
auto data = mask->data();
auto size = mask->size();
@ -181,7 +197,7 @@ void MonoIcon::paint(
auto size = readGeneratedSize(_mask, Scale());
auto maskImage = QImage();
if (size.isEmpty()) {
maskImage = createIconMask(_mask, Scale());
maskImage = CreateIconMask(_mask, Scale());
size = maskImage.size() / DevicePixelRatio();
}
@ -209,7 +225,7 @@ void MonoIcon::fill(
auto size = readGeneratedSize(_mask, Scale());
auto maskImage = QImage();
if (size.isEmpty()) {
maskImage = createIconMask(_mask, Scale());
maskImage = CreateIconMask(_mask, Scale());
size = maskImage.size() / DevicePixelRatio();
}
if (!maskImage.isNull()) {
@ -242,7 +258,7 @@ QImage MonoIcon::instance(QColor colorOverride, int scale) const {
result.fill(colorOverride);
return result;
}
auto mask = createIconMask(_mask, scale);
auto mask = CreateIconMask(_mask, scale);
auto result = QImage(mask.size(), QImage::Format_ARGB32_Premultiplied);
result.setDevicePixelRatio(DevicePixelRatio());
colorizeImage(mask, colorOverride, &result);
@ -252,26 +268,24 @@ QImage MonoIcon::instance(QColor colorOverride, int scale) const {
void MonoIcon::ensureLoaded() const {
if (_size.isValid()) {
return;
}
if (!_maskImage.isNull()) {
} else if (!_maskImage.isNull()) {
createCachedPixmap();
return;
}
_size = readGeneratedSize(_mask, Scale());
if (_size.isEmpty()) {
auto i = iconMasks.find(_mask);
if (i == iconMasks.cend()) {
i = iconMasks.emplace(_mask, createIconMask(_mask, Scale())).first;
}
_maskImage = i->second;
_maskImage = ResolveIconMask(_mask);
createCachedPixmap();
}
}
void MonoIcon::ensureColorizedImage(QColor color) const {
if (_colorizedImage.isNull()) _colorizedImage = QImage(_maskImage.size(), QImage::Format_ARGB32_Premultiplied);
if (_colorizedImage.isNull()) {
_colorizedImage = QImage(
_maskImage.size(),
QImage::Format_ARGB32_Premultiplied);
}
colorizeImage(_maskImage, color, &_colorizedImage);
}
@ -373,7 +387,9 @@ void resetIcons() {
void destroyIcons() {
iconData.clear();
iconPixmaps.clear();
iconMasks.clear();
QMutexLocker lock(&IconMasksMutex);
IconMasks.clear();
}
} // namespace internal