102 lines
2.7 KiB
C++
102 lines
2.7 KiB
C++
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/*
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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 "data/data_reply_preview.h"
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#include "data/data_file_origin.h"
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#include "data/data_document.h"
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#include "data/data_document_media.h"
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#include "data/data_photo.h"
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#include "ui/image/image.h"
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#include "ui/image/image_source.h"
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namespace Data {
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ReplyPreview::ReplyPreview(not_null<DocumentData*> document)
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: _document(document)
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, _documentMedia(_document->createMediaView()) {
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}
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ReplyPreview::ReplyPreview(not_null<PhotoData*> photo)
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: _photo(photo) {
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}
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void ReplyPreview::prepare(not_null<Image*> image, Images::Options options) {
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if (image->isNull() || !image->loaded()) {
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return;
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}
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int w = image->width(), h = image->height();
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if (w <= 0) w = 1;
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if (h <= 0) h = 1;
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auto thumbSize = (w > h)
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? QSize(
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w * st::msgReplyBarSize.height() / h,
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st::msgReplyBarSize.height())
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: QSize(
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st::msgReplyBarSize.height(),
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h * st::msgReplyBarSize.height() / w);
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thumbSize *= cIntRetinaFactor();
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const auto prepareOptions = Images::Option::Smooth
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| Images::Option::TransparentBackground
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| options;
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auto outerSize = st::msgReplyBarSize.height();
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auto bitmap = image->pixNoCache(
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FileOrigin(),
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thumbSize.width(),
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thumbSize.height(),
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prepareOptions,
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outerSize,
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outerSize);
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_image = std::make_unique<Image>(
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std::make_unique<Images::ImageSource>(
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bitmap.toImage(),
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"PNG"));
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_good = ((options & Images::Option::Blurred) == 0);
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}
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Image *ReplyPreview::image(Data::FileOrigin origin) {
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if (_document) {
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const auto thumbnail = _document->thumbnail();
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Assert(thumbnail != nullptr);
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if (!_image || (!_good && thumbnail->loaded())) {
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const auto option = _document->isVideoMessage()
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? Images::Option::Circled
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: Images::Option::None;
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if (thumbnail->loaded()) {
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prepare(thumbnail, option);
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} else {
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thumbnail->load(origin);
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if (const auto image = _documentMedia->thumbnailInline()) {
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prepare(image, option | Images::Option::Blurred);
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}
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}
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}
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} else {
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Assert(_photo != nullptr);
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const auto small = _photo->thumbnailSmall();
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const auto large = _photo->large();
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if (!_image || (!_good && (small->loaded() || large->loaded()))) {
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if (small->isDelayedStorageImage()
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&& !large->isNull()
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&& !large->isDelayedStorageImage()
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&& large->loaded()) {
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prepare(large, Images::Option(0));
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} else if (small->loaded()) {
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prepare(small, Images::Option(0));
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} else {
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small->load(origin);
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if (const auto blurred = _photo->thumbnailInline()) {
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prepare(blurred, Images::Option::Blurred);
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}
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}
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}
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}
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return _image.get();
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}
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} // namespace Data
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