308 lines
9.6 KiB
C++
308 lines
9.6 KiB
C++
/*
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This file is part of Telegram Desktop,
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an unofficial desktop messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014 John Preston, https://tdesktop.com
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*/
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#include "stdafx.h"
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#include "style.h"
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#include "lang.h"
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#include "app.h"
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#include "application.h"
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#include "mainwidget.h"
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#include "photocropbox.h"
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#include "fileuploader.h"
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PhotoCropBox::PhotoCropBox(const QImage &img, const PeerId &peer) : _downState(0),
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_sendButton(this, lang(lng_settings_save), st::btnSelectDone),
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_cancelButton(this, lang(lng_cancel), st::btnSelectCancel),
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_img(img), _peerId(peer), a_opacity(0, 1) {
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connect(&_sendButton, SIGNAL(clicked()), this, SLOT(onSend()));
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connect(&_cancelButton, SIGNAL(clicked()), this, SLOT(onCancel()));
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if (_peerId) {
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connect(this, SIGNAL(ready(const QImage &)), this, SLOT(onReady(const QImage &)));
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}
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int32 s = st::cropBoxWidth - st::boxPadding.left() - st::boxPadding.right();
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_thumb = QPixmap::fromImage(img.scaled(s, s, Qt::KeepAspectRatio, Qt::SmoothTransformation));
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_thumbw = _thumb.width();
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_thumbh = _thumb.height();
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if (_thumbw > _thumbh) {
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_cropw = _thumbh - 20;
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} else {
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_cropw = _thumbw - 20;
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}
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_cropx = (_thumbw - _cropw) / 2;
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_cropy = (_thumbh - _cropw) / 2;
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_width = st::cropBoxWidth;
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_height = _thumbh + st::boxPadding.top() + st::boxFont->height + st::boxPadding.top() + st::boxPadding.bottom() + _sendButton.height();
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_thumbx = (_width - _thumbw) / 2;
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_thumby = st::boxPadding.top() * 2 + st::boxFont->height;
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setMouseTracking(true);
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resize(_width, _height);
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}
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void PhotoCropBox::mousePressEvent(QMouseEvent *e) {
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if (e->button() != Qt::LeftButton) return;
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_downState = mouseState(e->pos());
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_fromposx = e->pos().x();
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_fromposy = e->pos().y();
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_fromcropx = _cropx;
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_fromcropy = _cropy;
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_fromcropw = _cropw;
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}
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int32 PhotoCropBox::mouseState(QPoint p) {
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p -= QPoint(_thumbx, _thumby);
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int32 delta = st::cropPointSize, mdelta(-delta / 2);
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if (QRect(_cropx + mdelta, _cropy + mdelta, delta, delta).contains(p)) {
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return 1;
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} else if (QRect(_cropx + _cropw + mdelta, _cropy + mdelta, delta, delta).contains(p)) {
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return 2;
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} else if (QRect(_cropx + _cropw + mdelta, _cropy + _cropw + mdelta, delta, delta).contains(p)) {
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return 3;
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} else if (QRect(_cropx + mdelta, _cropy + _cropw + mdelta, delta, delta).contains(p)) {
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return 4;
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} else if (QRect(_cropx, _cropy, _cropw, _cropw).contains(p)) {
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return 5;
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}
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return 0;
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}
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void PhotoCropBox::mouseReleaseEvent(QMouseEvent *e) {
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if (_downState) {
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_downState = 0;
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mouseMoveEvent(e);
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}
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}
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void PhotoCropBox::mouseMoveEvent(QMouseEvent *e) {
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if (_downState && !(e->buttons() & Qt::LeftButton)) {
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mouseReleaseEvent(e);
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}
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if (_downState) {
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if (_downState == 1) {
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int32 dx = e->pos().x() - _fromposx, dy = e->pos().y() - _fromposy, d = (dx < dy) ? dx : dy;
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if (_fromcropx + d < 0) {
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d = -_fromcropx;
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}
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if (_fromcropy + d < 0) {
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d = -_fromcropy;
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}
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if (_fromcropw - d < st::cropMinSize) {
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d = _fromcropw - st::cropMinSize;
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}
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if (_cropx != _fromcropx + d || _cropy != _fromcropy + d || _cropw != _fromcropw - d) {
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_cropx = _fromcropx + d;
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_cropy = _fromcropy + d;
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_cropw = _fromcropw - d;
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update();
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}
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} else if (_downState == 2) {
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int32 dx = _fromposx - e->pos().x(), dy = e->pos().y() - _fromposy, d = (dx < dy) ? dx : dy;
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if (_fromcropx + _fromcropw - d > _thumbw) {
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d = _fromcropx + _fromcropw - _thumbw;
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}
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if (_fromcropy + d < 0) {
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d = -_fromcropy;
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}
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if (_fromcropw - d < st::cropMinSize) {
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d = _fromcropw - st::cropMinSize;
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}
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if (_cropy != _fromcropy + d || _cropw != _fromcropw - d) {
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_cropy = _fromcropy + d;
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_cropw = _fromcropw - d;
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update();
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}
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} else if (_downState == 3) {
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int32 dx = _fromposx - e->pos().x(), dy = _fromposy - e->pos().y(), d = (dx < dy) ? dx : dy;
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if (_fromcropx + _fromcropw - d > _thumbw) {
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d = _fromcropx + _fromcropw - _thumbw;
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}
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if (_fromcropy + _fromcropw - d > _thumbh) {
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d = _fromcropy + _fromcropw - _thumbh;
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}
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if (_fromcropw - d < st::cropMinSize) {
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d = _fromcropw - st::cropMinSize;
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}
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if (_cropw != _fromcropw - d) {
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_cropw = _fromcropw - d;
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update();
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}
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} else if (_downState == 4) {
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int32 dx = e->pos().x() - _fromposx, dy = _fromposy - e->pos().y(), d = (dx < dy) ? dx : dy;
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if (_fromcropx + d < 0) {
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d = -_fromcropx;
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}
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if (_fromcropy + _fromcropw - d > _thumbh) {
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d = _fromcropy + _fromcropw - _thumbh;
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}
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if (_fromcropw - d < st::cropMinSize) {
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d = _fromcropw - st::cropMinSize;
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}
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if (_cropx != _fromcropx + d || _cropw != _fromcropw - d) {
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_cropx = _fromcropx + d;
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_cropw = _fromcropw - d;
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update();
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}
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} else if (_downState == 5) {
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int32 dx = e->pos().x() - _fromposx, dy = e->pos().y() - _fromposy;
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if (_fromcropx + dx < 0) {
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dx = -_fromcropx;
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} else if (_fromcropx + _fromcropw + dx > _thumbw) {
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dx = _thumbw - _fromcropx - _fromcropw;
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}
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if (_fromcropy + dy < 0) {
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dy = -_fromcropy;
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} else if (_fromcropy + _fromcropw + dy > _thumbh) {
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dy = _thumbh - _fromcropy - _fromcropw;
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}
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if (_cropx != _fromcropx + dx || _cropy != _fromcropy + dy) {
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_cropx = _fromcropx + dx;
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_cropy = _fromcropy + dy;
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update();
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}
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}
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}
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int32 cursorState = _downState ? _downState : mouseState(e->pos());
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QCursor cur(style::cur_default);
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if (cursorState == 1 || cursorState == 3) {
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cur = style::cur_sizefdiag;
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} else if (cursorState == 2 || cursorState == 4) {
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cur = style::cur_sizebdiag;
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} else if (cursorState == 5) {
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cur = style::cur_sizeall;
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}
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setCursor(cur);
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}
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void PhotoCropBox::keyPressEvent(QKeyEvent *e) {
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if (e->key() == Qt::Key_Enter || e->key() == Qt::Key_Return) {
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onSend();
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} else if (e->key() == Qt::Key_Escape) {
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onCancel();
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}
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}
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void PhotoCropBox::parentResized() {
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QSize s = parentWidget()->size();
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setGeometry((s.width() - _width) / 2, (s.height() - _height) / 2, _width, _height);
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_sendButton.move(_width - _sendButton.width(), _height - _sendButton.height());
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_cancelButton.move(0, _height - _cancelButton.height());
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update();
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}
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void PhotoCropBox::paintEvent(QPaintEvent *e) {
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QPainter p(this);
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p.setOpacity(a_opacity.current());
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// fill bg
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p.fillRect(QRect(QPoint(0, 0), size()), st::boxBG->b);
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// paint shadows
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p.fillRect(0, _height - st::btnSelectCancel.height - st::scrollDef.bottomsh, _width, st::scrollDef.bottomsh, st::scrollDef.shColor->b);
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// paint button sep
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p.fillRect(st::btnSelectCancel.width, _height - st::btnSelectCancel.height, st::lineWidth, st::btnSelectCancel.height, st::btnSelectSep->b);
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p.setFont(st::boxFont->f);
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p.setPen(st::boxGrayTitle->p);
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p.drawText(QRect(st::boxPadding.left(), st::boxPadding.top(), _width - st::boxPadding.left() - st::boxPadding.right(), st::boxFont->height), lang(lng_settings_crop_profile), style::al_center);
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p.translate(_thumbx, _thumby);
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p.drawPixmap(0, 0, _thumb);
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p.setOpacity(a_opacity.current() * 0.5);
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if (_cropy > 0) {
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p.fillRect(QRect(0, 0, _cropx + _cropw, _cropy), st::black->b);
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}
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if (_cropx + _cropw < _thumbw) {
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p.fillRect(QRect(_cropx + _cropw, 0, _thumbw - _cropx - _cropw, _cropy + _cropw), st::black->b);
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}
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if (_cropy + _cropw < _thumbh) {
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p.fillRect(QRect(_cropx, _cropy + _cropw, _thumbw - _cropx, _thumbh - _cropy - _cropw), st::black->b);
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}
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if (_cropx > 0) {
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p.fillRect(QRect(0, _cropy, _cropx, _thumbh - _cropy), st::black->b);
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}
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int32 delta = st::cropPointSize, mdelta(-delta / 2);
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p.fillRect(QRect(_cropx + mdelta, _cropy + mdelta, delta, delta), st::white->b);
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p.fillRect(QRect(_cropx + _cropw + mdelta, _cropy + mdelta, delta, delta), st::white->b);
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p.fillRect(QRect(_cropx + _cropw + mdelta, _cropy + _cropw + mdelta, delta, delta), st::white->b);
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p.fillRect(QRect(_cropx + mdelta, _cropy + _cropw + mdelta, delta, delta), st::white->b);
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}
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void PhotoCropBox::animStep(float64 ms) {
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if (ms >= 1) {
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a_opacity.finish();
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} else {
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a_opacity.update(ms, anim::linear);
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}
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_sendButton.setOpacity(a_opacity.current());
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_cancelButton.setOpacity(a_opacity.current());
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update();
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}
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void PhotoCropBox::onSend() {
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QImage from(_img);
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if (_img.width() < _thumb.width()) {
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from = _thumb.toImage();
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}
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float64 x = float64(_cropx) / _thumbw, y = float64(_cropy) / _thumbh, w = float64(_cropw) / _thumbw;
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int32 ix = int32(x * from.width()), iy = int32(y * from.height()), iw = int32(w * from.width());
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if (ix < 0) {
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ix = 0;
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}
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if (ix + iw > from.width()) {
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iw = from.width() - ix;
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}
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if (iy < 0) {
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iy = 0;
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}
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if (iy + iw > from.height()) {
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iw = from.height() - iy;
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}
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int32 offset = ix * from.depth() / 8 + iy * from.bytesPerLine();
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QImage cropped(from.bits() + offset, iw, iw, from.bytesPerLine(), from.format()), tosend;
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if (cropped.width() > 1280) {
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tosend = cropped.scaled(1280, 1280, Qt::KeepAspectRatio, Qt::SmoothTransformation);
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} else if (cropped.width() < 320) {
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tosend = cropped.scaled(320, 320, Qt::KeepAspectRatio, Qt::SmoothTransformation);
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} else {
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tosend = cropped.copy();
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}
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emit ready(tosend);
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}
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void PhotoCropBox::onReady(const QImage &tosend) {
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App::app()->uploadProfilePhoto(tosend, _peerId);
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emit closed();
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}
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void PhotoCropBox::onCancel() {
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emit closed();
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}
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void PhotoCropBox::startHide() {
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_hiding = true;
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a_opacity.start(0);
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}
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PhotoCropBox::~PhotoCropBox() {
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}
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