267 lines
8.7 KiB
C++
267 lines
8.7 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/cached_round_corners.h"
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#include "ui/painter.h"
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#include "ui/ui_utility.h"
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#include "ui/image/image_prepare.h"
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#include "styles/style_chat.h"
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#include "styles/style_layers.h"
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#include "styles/style_overview.h"
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#include "styles/style_media_view.h"
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#include "styles/style_chat_helpers.h"
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namespace Ui {
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namespace {
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constexpr auto kCachedCornerRadiusCount = int(CachedCornerRadius::kCount);
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std::vector<CornersPixmaps> Corners;
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QImage CornersMaskLarge[4], CornersMaskSmall[4];
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rpl::lifetime PaletteChangedLifetime;
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std::array<std::array<QImage, 4>, kCachedCornerRadiusCount> CachedMasks;
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[[nodiscard]] std::array<QImage, 4> PrepareCorners(int32 radius, const QBrush &brush, const style::color *shadow = nullptr) {
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int32 r = radius * style::DevicePixelRatio(), s = st::msgShadow * style::DevicePixelRatio();
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QImage rect(r * 3, r * 3 + (shadow ? s : 0), QImage::Format_ARGB32_Premultiplied);
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rect.fill(Qt::transparent);
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{
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auto p = QPainter(&rect);
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PainterHighQualityEnabler hq(p);
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p.setCompositionMode(QPainter::CompositionMode_Source);
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p.setPen(Qt::NoPen);
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if (shadow) {
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p.setBrush((*shadow)->b);
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p.drawRoundedRect(0, s, r * 3, r * 3, r, r);
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}
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p.setBrush(brush);
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p.drawRoundedRect(0, 0, r * 3, r * 3, r, r);
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}
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auto result = std::array<QImage, 4>();
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result[0] = rect.copy(0, 0, r, r);
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result[1] = rect.copy(r * 2, 0, r, r);
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result[2] = rect.copy(0, r * 2, r, r + (shadow ? s : 0));
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result[3] = rect.copy(r * 2, r * 2, r, r + (shadow ? s : 0));
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return result;
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}
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void PrepareCorners(CachedRoundCorners index, int32 radius, const QBrush &brush, const style::color *shadow = nullptr) {
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Expects(index < Corners.size());
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auto images = PrepareCorners(radius, brush, shadow);
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for (int i = 0; i < 4; ++i) {
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Corners[index].p[i] = PixmapFromImage(std::move(images[i]));
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Corners[index].p[i].setDevicePixelRatio(style::DevicePixelRatio());
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}
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}
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void CreateMaskCorners() {
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auto mask = PrepareCorners(st::roundRadiusSmall, QColor(255, 255, 255), nullptr);
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for (int i = 0; i < 4; ++i) {
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CornersMaskSmall[i] = mask[i].convertToFormat(QImage::Format_ARGB32_Premultiplied);
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CornersMaskSmall[i].setDevicePixelRatio(style::DevicePixelRatio());
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}
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mask = PrepareCorners(st::roundRadiusLarge, QColor(255, 255, 255), nullptr);
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for (int i = 0; i < 4; ++i) {
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CornersMaskLarge[i] = mask[i].convertToFormat(QImage::Format_ARGB32_Premultiplied);
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CornersMaskLarge[i].setDevicePixelRatio(style::DevicePixelRatio());
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}
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}
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void CreatePaletteCorners() {
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PrepareCorners(MenuCorners, st::roundRadiusSmall, st::menuBg);
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PrepareCorners(BoxCorners, st::boxRadius, st::boxBg);
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PrepareCorners(DateCorners, st::dateRadius, st::msgDateImgBg);
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PrepareCorners(OverviewVideoCorners, st::overviewVideoStatusRadius, st::msgDateImgBg);
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PrepareCorners(OverviewVideoSelectedCorners, st::overviewVideoStatusRadius, st::msgDateImgBgSelected);
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PrepareCorners(ForwardCorners, st::roundRadiusLarge, st::historyForwardChooseBg);
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PrepareCorners(MediaviewSaveCorners, st::mediaviewControllerRadius, st::mediaviewSaveMsgBg);
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PrepareCorners(StickerHoverCorners, st::roundRadiusSmall, st::emojiPanHover);
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PrepareCorners(BotKeyboardCorners, st::roundRadiusSmall, st::botKbBg);
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PrepareCorners(Doc1Corners, st::roundRadiusSmall, st::msgFile1Bg);
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PrepareCorners(Doc2Corners, st::roundRadiusSmall, st::msgFile2Bg);
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PrepareCorners(Doc3Corners, st::roundRadiusSmall, st::msgFile3Bg);
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PrepareCorners(Doc4Corners, st::roundRadiusSmall, st::msgFile4Bg);
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}
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} // namespace
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void StartCachedCorners() {
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Corners.resize(RoundCornersCount);
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CreateMaskCorners();
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CreatePaletteCorners();
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style::PaletteChanged(
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) | rpl::start_with_next([=] {
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CreatePaletteCorners();
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}, PaletteChangedLifetime);
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}
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void FinishCachedCorners() {
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Corners.clear();
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PaletteChangedLifetime.destroy();
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}
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void FillRoundRect(QPainter &p, int32 x, int32 y, int32 w, int32 h, style::color bg, const CornersPixmaps &corners) {
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using namespace Images;
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const auto fillBg = [&](QRect rect) {
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p.fillRect(rect, bg);
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};
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const auto fillCorner = [&](int x, int y, int index) {
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if (const auto &pix = corners.p[index]; !pix.isNull()) {
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p.drawPixmap(x, y, pix);
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}
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};
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if (corners.p[kTopLeft].isNull()
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&& corners.p[kTopRight].isNull()
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&& corners.p[kBottomLeft].isNull()
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&& corners.p[kBottomRight].isNull()) {
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p.fillRect(x, y, w, h, bg);
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return;
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}
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const auto ratio = style::DevicePixelRatio();
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const auto cornerSize = [&](int index) {
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return corners.p[index].isNull()
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? 0
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: (corners.p[index].width() / ratio);
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};
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const auto verticalSkip = [&](int left, int right) {
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return std::max(cornerSize(left), cornerSize(right));
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};
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const auto top = verticalSkip(kTopLeft, kTopRight);
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const auto bottom = verticalSkip(kBottomLeft, kBottomRight);
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if (top) {
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const auto left = cornerSize(kTopLeft);
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const auto right = cornerSize(kTopRight);
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if (left) {
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fillCorner(x, y, kTopLeft);
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if (const auto add = top - left) {
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fillBg({ x, y + left, left, add });
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}
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}
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if (const auto fill = w - left - right; fill > 0) {
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fillBg({ x + left, y, fill, top });
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}
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if (right) {
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fillCorner(x + w - right, y, kTopRight);
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if (const auto add = top - right) {
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fillBg({ x + w - right, y + right, right, add });
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}
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}
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}
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if (const auto fill = h - top - bottom; fill > 0) {
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fillBg({ x, y + top, w, fill });
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}
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if (bottom) {
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const auto left = cornerSize(kBottomLeft);
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const auto right = cornerSize(kBottomRight);
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if (left) {
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fillCorner(x, y + h - left, kBottomLeft);
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if (const auto add = bottom - left) {
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fillBg({ x, y + h - bottom, left, add });
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}
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}
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if (const auto fill = w - left - right; fill > 0) {
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fillBg({ x + left, y + h - bottom, fill, bottom });
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}
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if (right) {
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fillCorner(x + w - right, y + h - right, kBottomRight);
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if (const auto add = bottom - right) {
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fillBg({ x + w - right, y + h - bottom, right, add });
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}
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}
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}
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}
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void FillRoundRect(QPainter &p, int32 x, int32 y, int32 w, int32 h, style::color bg, CachedRoundCorners index) {
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FillRoundRect(p, x, y, w, h, bg, CachedCornerPixmaps(index));
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}
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void FillRoundShadow(QPainter &p, int32 x, int32 y, int32 w, int32 h, style::color shadow, const CornersPixmaps &corners) {
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constexpr auto kLeft = 2;
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constexpr auto kRight = 3;
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const auto ratio = style::DevicePixelRatio();
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const auto size = [&](int index) {
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const auto &pix = corners.p[index];
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return pix.isNull() ? 0 : (pix.width() / ratio);
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};
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const auto fillCorner = [&](int left, int bottom, int index) {
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const auto &pix = corners.p[index];
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if (pix.isNull()) {
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return;
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}
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const auto size = pix.width() / ratio;
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p.drawPixmap(left, bottom - size, pix);
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};
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const auto left = size(kLeft);
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const auto right = size(kRight);
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const auto from = x + left;
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fillCorner(x, y + h + st::msgShadow, kLeft);
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if (const auto width = w - left - right; width > 0) {
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p.fillRect(from, y + h, width, st::msgShadow, shadow);
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}
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fillCorner(x + w - right, y + h + st::msgShadow, kRight);
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}
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const CornersPixmaps &CachedCornerPixmaps(CachedRoundCorners index) {
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Expects(index >= 0 && index < RoundCornersCount);
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return Corners[index];
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}
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CornersPixmaps PrepareCornerPixmaps(int32 radius, style::color bg, const style::color *sh) {
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auto images = PrepareCorners(radius, bg, sh);
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auto result = CornersPixmaps();
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for (int j = 0; j < 4; ++j) {
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result.p[j] = PixmapFromImage(std::move(images[j]));
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result.p[j].setDevicePixelRatio(style::DevicePixelRatio());
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}
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return result;
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}
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CornersPixmaps PrepareCornerPixmaps(ImageRoundRadius radius, style::color bg, const style::color *sh) {
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switch (radius) {
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case ImageRoundRadius::Small:
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return PrepareCornerPixmaps(st::roundRadiusSmall, bg, sh);
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case ImageRoundRadius::Large:
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return PrepareCornerPixmaps(st::roundRadiusLarge, bg, sh);
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}
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Unexpected("Image round radius in PrepareCornerPixmaps.");
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}
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[[nodiscard]] int CachedCornerRadiusValue(CachedCornerRadius tag) {
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using Radius = CachedCornerRadius;
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switch (tag) {
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case Radius::Small: return st::roundRadiusSmall;
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case Radius::ThumbSmall: return st::msgFileThumbRadiusSmall;
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case Radius::ThumbLarge: return st::msgFileThumbRadiusLarge;
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case Radius::BubbleSmall: return st::bubbleRadiusSmall;
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case Radius::BubbleLarge: return st::bubbleRadiusLarge;
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}
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Unexpected("Radius tag in CachedCornerRadiusValue.");
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}
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[[nodiscard]] const std::array<QImage, 4> &CachedCornersMasks(
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CachedCornerRadius radius) {
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const auto index = static_cast<int>(radius);
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Assert(index >= 0 && index < kCachedCornerRadiusCount);
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if (CachedMasks[index][0].isNull()) {
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CachedMasks[index] = Images::CornersMask(
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CachedCornerRadiusValue(CachedCornerRadius(index)));
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}
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return CachedMasks[index];
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}
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} // namespace Ui
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