MuseScore/mscore/fotomode.cpp
2018-10-23 08:41:56 +01:00

637 lines
21 KiB
C++

//=============================================================================
// MuseScore
// Music Composition & Notation
//
// Copyright (C) 2002-2017 Werner Schweer
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2
// as published by the Free Software Foundation and appearing in
// the file LICENCE.GPL
//=============================================================================
#include "scoreview.h"
#include "musescore.h"
#include "libmscore/score.h"
#include "libmscore/lasso.h"
#include "icons.h"
#include "libmscore/page.h"
#include "preferences.h"
#include "libmscore/image.h"
#include "libmscore/mscore.h"
#include "svggenerator.h"
#include "inspector/inspector.h"
#include "fotomode.h"
namespace Ms {
//---------------------------------------------------------
// startEdit
//---------------------------------------------------------
void FotoLasso::startEdit(EditData& ed)
{
Element::startEdit(ed);
ed.grips = 8;
ed.curGrip = Grip(0);
QRectF view = ((ScoreView*)ed.view)->toLogical(QRect(0.0, 0.0, ed.view->geometry().width(), ed.view->geometry().height()));
if (bbox().isEmpty() || !view.intersects(bbox())) {
// rect not found - construct new rect with default size & relative position
qreal w = view.width();
qreal h = view.height();
QRectF rect(w * .3, h * .3, w * .4, h * .4);
// convert to absolute position
setbbox(rect.translated(view.topLeft()));
}
setVisible(false);
}
//---------------------------------------------------------
// endEdit
//---------------------------------------------------------
void FotoLasso::endEdit(EditData&)
{
setVisible(false);
}
//---------------------------------------------------------
// updateGrips
//---------------------------------------------------------
void FotoLasso::updateGrips(EditData& ed) const
{
Lasso::updateGrips(ed);
}
//---------------------------------------------------------
// drawEditMode
//---------------------------------------------------------
void FotoLasso::drawEditMode(QPainter* p, EditData& ed)
{
QPointF pos(canvasPos());
p->translate(pos);
draw(p);
p->translate(-pos);
Lasso::drawEditMode(p, ed);
}
//---------------------------------------------------------
// startFotoMode
//---------------------------------------------------------
void ScoreView::startFotomode()
{
if (!_foto)
_foto = new FotoLasso(_score);
else
_foto->setScore(_score);
QRectF view = toLogical(QRect(0.0, 0.0, width(), height()));
if (_foto->bbox().isEmpty() || !view.intersects(_foto->bbox())) {
// rect not found - construct new rect with default size & relative position
qreal w = view.width();
qreal h = view.height();
QRectF r(w * .3, h * .3, w * .4, h * .4);
// convert to absolute position
_foto->setbbox(toPhysical(r));
}
_foto->setFlag(ElementFlag::MOVABLE, true);
_foto->setVisible(true);
_score->select(_foto);
editData.element = _foto;
QAction* a = getAction("fotomode");
a->setChecked(true);
startEdit();
}
//---------------------------------------------------------
// stopFotomode
//---------------------------------------------------------
void ScoreView::stopFotomode()
{
QAction* a = getAction("fotomode");
a->setChecked(false);
_foto->setVisible(false);
endEdit();
update();
}
//---------------------------------------------------------
// startFotoDrag
//---------------------------------------------------------
void ScoreView::startFotoDrag()
{
_score->addRefresh(_foto->abbox());
_score->update();
editData.grips = 0;
}
//---------------------------------------------------------
// doDragFoto
// drag canvas in foto mode
//---------------------------------------------------------
void ScoreView::doDragFoto(QMouseEvent* ev)
{
_foto->setOffset(QPointF(0.0, 0.0));
QPointF p = toLogical(ev->pos());
QPointF sm = editData.startMove;
QRectF r;
r.setCoords(sm.x(), sm.y(), p.x(), p.y());
_foto->setbbox(r.normalized());
QRectF rr(_foto->bbox());
r = _matrix.mapRect(rr);
//QSize sz(r.size().toSize());
//mscore->statusBar()->showMessage(QString("%1 x %2").arg(sz.width()).arg(sz.height()), 3000);
update();
//mscore->showMessage("drag", 2000);
}
//---------------------------------------------------------
// endFotoDrag
//---------------------------------------------------------
void ScoreView::endFotoDrag()
{
qreal w = 8.0 / _matrix.m11();
qreal h = 8.0 / _matrix.m22();
QRectF r(-w*.5, -h*.5, w, h);
editData.grip.resize(8);
for (int i = 0; i < 8; ++i)
editData.grip[i] = r;
editData.element = _foto;
updateGrips();
_score->setUpdateAll();
_score->update();
}
//---------------------------------------------------------
// doFotoDragEdit
//---------------------------------------------------------
void ScoreView::doFotoDragEdit(QMouseEvent* ev)
{
QPointF p = toLogical(ev->pos());
QPointF delta = p - editData.startMove;
score()->addRefresh(_foto->abbox());
editData.delta = delta;
_foto->editDrag(editData);
updateGrips();
editData.startMove = p;
_score->update();
if (mscore->inspector())
mscore->inspector()->update(_foto->score());
}
//---------------------------------------------------------
// endFotoDragEdit
//---------------------------------------------------------
void ScoreView::endFotoDragEdit()
{
}
//---------------------------------------------------------
// fotoEditElementDragTransition
//---------------------------------------------------------
bool ScoreView::fotoEditElementDragTransition(QMouseEvent* ev)
{
editData.startMove = imatrix.map(QPointF(ev->pos()));
int i;
for (i = 0; i < editData.grips; ++i) {
if (editData.grip[i].contains(editData.startMove)) {
editData.curGrip = Grip(i);
switch (int(editData.curGrip)) {
case 0:
case 2:
setCursor(Qt::SizeFDiagCursor);
break;
case 1:
case 3:
setCursor(Qt::SizeBDiagCursor);
break;
case 4:
case 6:
setCursor(Qt::SizeVerCursor);
break;
case 5:
case 7:
setCursor(Qt::SizeHorCursor);
break;
}
updateGrips();
score()->update();
break;
}
}
return i != editData.grips;
}
//---------------------------------------------------------
// fotoScoreViewDragTest
//---------------------------------------------------------
bool ScoreView::fotoScoreViewDragTest(QMouseEvent* me)
{
QPointF p(imatrix.map(QPointF(me->pos())));
if (_foto->bbox().contains(p))
return false;
for (int i = 0; i < editData.grips; ++i) {
if (editData.grip[i].contains(p))
return false;
}
editData.startMove = p;
return true;
}
//---------------------------------------------------------
// fotoScoreViewDragRectTest
//---------------------------------------------------------
bool ScoreView::fotoScoreViewDragRectTest(QMouseEvent* me)
{
QPointF p(toLogical(me->pos()));
if (!_foto->bbox().contains(p))
return false;
for (int i = 0; i < editData.grips; ++i) {
if (editData.grip[i].contains(p))
return false;
}
editData.startMove = p;
return true;
}
//---------------------------------------------------------
// doDragFotoRect
//---------------------------------------------------------
void ScoreView::doDragFotoRect(QMouseEvent* ev)
{
QPointF p(toLogical(ev->pos()));
QPointF delta = p - editData.startMove;
score()->addRefresh(_foto->abbox());
_foto->setbbox(_foto->bbox().translated(delta));
score()->addRefresh(_foto->abbox());
editData.startMove = p;
updateGrips();
_score->update();
if (mscore->inspector())
mscore->inspector()->update(_foto->score());
}
//---------------------------------------------------------
// MenuEntry
//---------------------------------------------------------
struct MenuEntry {
const char* text;
const char* label;
};
static const MenuEntry resizeEntry[4] {
{ QT_TRANSLATE_NOOP("fotomode", "Resize to A"), "resizeA" },
{ QT_TRANSLATE_NOOP("fotomode", "Resize to B"), "resizeB" },
{ QT_TRANSLATE_NOOP("fotomode", "Resize to C"), "resizeC" },
{ QT_TRANSLATE_NOOP("fotomode", "Resize to D"), "resizeD" }
};
static const MenuEntry setSizeEntry[4] {
{ QT_TRANSLATE_NOOP("fotomode", "Set size A"), "setA" },
{ QT_TRANSLATE_NOOP("fotomode", "Set size B"), "setB" },
{ QT_TRANSLATE_NOOP("fotomode", "Set size C"), "setC" },
{ QT_TRANSLATE_NOOP("fotomode", "Set size D"), "setD" }
};
//---------------------------------------------------------
// fotoContextPopup
//---------------------------------------------------------
void ScoreView::fotoContextPopup(QContextMenuEvent* ev)
{
QPoint pos(ev->globalPos());
QMenu* popup = new QMenu(this);
popup->setSeparatorsCollapsible(false);
QAction* a = popup->addSeparator();
a->setText(tr("Image Capture"));
a = getAction("copy");
popup->addAction(a);
popup->addSeparator();
a = popup->addAction(tr("Resolution (%1 DPI)...").arg(preferences.getDouble(PREF_EXPORT_PNG_RESOLUTION)));
a->setData("set-res");
QAction* bgAction = popup->addAction(tr("Transparent background"));
bgAction->setCheckable(true);
bgAction->setChecked(preferences.getBool(PREF_EXPORT_PNG_USETRANSPARENCY));
bgAction->setData("set-bg");
popup->addSeparator();
a = new QAction(tr("Auto-resize to page"), this);
a->setData("resizePage");
popup->addAction(a);
for (int i = 0; i < 4; ++i) {
a = new QAction(qApp->translate("fotomode", resizeEntry[i].text), this);
a->setData(resizeEntry[i].label);
popup->addAction(a);
}
QMenu* setSize = new QMenu(tr("Set Standard Size..."));
for (int i = 0; i < 4; ++i) {
a = new QAction(qApp->translate("fotomode", setSizeEntry[i].text), this);
a->setData(setSizeEntry[i].label);
setSize->addAction(a);
}
popup->addMenu(setSize);
popup->addSeparator();
a = new QAction(tr("Save As (Print Mode)..."), this);
a->setData("print");
popup->addAction(a);
a = new QAction(tr("Save As (Screenshot Mode)..."), this);
a->setData("screenshot");
popup->addAction(a);
a = popup->exec(pos);
if (a == 0)
return;
QString cmd(a->data().toString());
if (cmd == "print")
saveFotoAs(true, _foto->canvasBoundingRect());
else if (cmd == "screenshot")
saveFotoAs(false, _foto->canvasBoundingRect());
else if (cmd == "copy")
;
else if (cmd == "set-res") {
bool ok;
double resolution = QInputDialog::getDouble(this,
tr("Set Output Resolution"),
tr("Set output resolution for PNG"),
preferences.getDouble(PREF_EXPORT_PNG_RESOLUTION),
16.0, 2400.0, 1,
&ok
);
if (ok) {
preferences.setPreference(PREF_EXPORT_PNG_RESOLUTION, resolution);
}
}
else if (cmd == "resizePage") {
QRectF r = _foto->bbox();
Page* page = point2page(r.center());
if (page) {
r = page->tbbox().translated(page->canvasPos());
_foto->setbbox(r);
updateGrips();
}
}
else if (cmd.startsWith("resize")) {
QString size = QSettings().value(QString("fotoSize%1").arg(cmd[6]), "50x40").toString();
qreal w = size.split("x")[0].toDouble();
qreal h = size.split("x")[1].toDouble();
_foto->bbox().setSize(QSizeF(w * DPMM, h * DPMM));
updateGrips();
}
else if (cmd.startsWith("set")) {
qreal w = _foto->bbox().width() / DPMM;
qreal h = _foto->bbox().height() / DPMM;
QString val(QString("%1x%2").arg(w).arg(h));
QSettings().setValue(QString("fotoSize%1").arg(cmd[3]), val);
}
if (bgAction->isChecked() != preferences.getBool(PREF_EXPORT_PNG_USETRANSPARENCY)) {
preferences.setPreference(PREF_EXPORT_PNG_USETRANSPARENCY, bgAction->isChecked());
}
}
//---------------------------------------------------------
// fotoModeCopy
//---------------------------------------------------------
void ScoreView::fotoModeCopy()
{
#if defined(Q_OS_WIN)
// See https://bugreports.qt.io/browse/QTBUG-11463
// while transparent copy/paste works fine inside musescore,
// it does not paste into other programs in Windows though
bool transparent = false; // preferences.getBool(PREF_EXPORT_PNG_USETRANSPARENCY);
#else
bool transparent = preferences.getBool(PREF_EXPORT_PNG_USETRANSPARENCY);
#endif
double convDpi = preferences.getDouble(PREF_EXPORT_PNG_RESOLUTION);
double mag = convDpi / DPI;
QRectF r(_foto->canvasBoundingRect());
int w = lrint(r.width() * mag);
int h = lrint(r.height() * mag);
QImage::Format f;
f = QImage::Format_ARGB32_Premultiplied;
QImage printer(w, h, f);
printer.setDotsPerMeterX(lrint(DPMM * 1000.0));
printer.setDotsPerMeterY(lrint(DPMM * 1000.0));
printer.fill(transparent ? 0 : 0xffffffff);
QPainter p(&printer);
paintRect(true, p, r, mag);
QApplication::clipboard()->setImage(printer);
}
//---------------------------------------------------------
// fotoRectHit
//---------------------------------------------------------
bool ScoreView::fotoRectHit(const QPoint& pos)
{
QPointF p = toLogical(pos);
for (int i = 0; i < editData.grips; ++i) {
if (editData.grip[i].contains(p))
return false;
}
editData.startMove = p;
return _foto->bbox().contains(p);
}
//---------------------------------------------------------
// saveFotoAs
// return true on success
//---------------------------------------------------------
bool ScoreView::saveFotoAs(bool printMode, const QRectF& r)
{
QStringList fl;
fl.append(tr("PNG Bitmap Graphic") + " (*.png)");
fl.append(tr("PDF File") + " (*.pdf)");
fl.append(tr("Scalable Vector Graphics") + " (*.svg)");
QString selectedFilter;
QString filter = fl.join(";;");
QString fn = mscore->getFotoFilename(filter, &selectedFilter);
if (fn.isEmpty())
return false;
QFileInfo fi(fn);
mscore->lastSaveDirectory = fi.absolutePath();
QString ext;
if (selectedFilter.isEmpty()) {
ext = fi.suffix();
}
else {
int idx = fl.indexOf(selectedFilter);
if (idx != -1) {
static const char* extensions[] = {
"png",
"pdf",
"svg"
};
ext = extensions[idx];
}
}
if (ext.isEmpty()) {
QMessageBox::critical(mscore, tr("Save As"), tr("Cannot determine file type"));
return false;
}
ext = ext.toLower();
if (fi.suffix().toLower() != ext)
fn += "." + ext;
bool transparent = preferences.getBool(PREF_EXPORT_PNG_USETRANSPARENCY);
double convDpi = preferences.getDouble(PREF_EXPORT_PNG_RESOLUTION);
double mag = convDpi / DPI;
if (ext == "svg")
mag = 1; // SVG is not scaled, it's scalable.
int w = lrint(r.width() * mag);
int h = lrint(r.height() * mag);
double pr = MScore::pixelRatio;
if (ext == "pdf") {
QPdfWriter pdfWriter(fn);
pdfWriter.setResolution(preferences.getInt(PREF_EXPORT_PDF_DPI));
mag = pdfWriter.logicalDpiX() / DPI;
QSizeF size(r.width() / DPI, r.height() / DPI);
QPageSize ps(size, QPageSize::Inch, "", QPageSize::ExactMatch);
pdfWriter.setPageSize(ps);
pdfWriter.setPageMargins(QMarginsF(0.0, 0.0, 0.0, 0.0));
pdfWriter.setCreator("MuseScore Version: " VERSION);
pdfWriter.setTitle(fn);
MScore::pixelRatio = DPI / pdfWriter.logicalDpiX();
QPainter p(&pdfWriter);
MScore::pdfPrinting = true;
paintRect(printMode, p, r, mag);
MScore::pdfPrinting = false;
}
else if (ext == "svg") {
// note that clipping is not implemented
// (as of 4.8)
SvgGenerator printer;
printer.setFileName(fn);
printer.setTitle(_score->title());
printer.setSize(QSize(w, h));
printer.setViewBox(QRect(0, 0, w, h));
MScore::pixelRatio = DPI / printer.logicalDpiX();
QPainter p(&printer);
MScore::pdfPrinting = true;
paintRect(printMode, p, r, mag);
MScore::pdfPrinting = false;
}
else if (ext == "png") {
QImage::Format f = QImage::Format_ARGB32_Premultiplied;
QImage printer(w, h, f);
printer.setDotsPerMeterX(lrint((convDpi * 1000) / INCH));
printer.setDotsPerMeterY(lrint((convDpi * 1000) / INCH));
printer.fill(transparent ? 0 : 0xffffffff);
MScore::pixelRatio = 1.0 / mag;
QPainter p(&printer);
paintRect(printMode, p, r, mag);
printer.save(fn, "png");
}
else
qDebug("unknown extension <%s>", qPrintable(ext));
MScore::pixelRatio = pr;
return true;
}
//---------------------------------------------------------
// paintRect
//---------------------------------------------------------
void ScoreView::paintRect(bool printMode, QPainter& p, const QRectF& r, double mag)
{
p.scale(mag, mag);
p.translate(-r.topLeft());
p.setRenderHint(QPainter::Antialiasing, true);
p.setRenderHint(QPainter::TextAntialiasing, true);
score()->setPrinting(printMode);
foreach (Page* page, _score->pages()) {
// QRectF pr(page->abbox());
QRectF pr(page->canvasBoundingRect());
if (pr.right() < r.left())
continue;
if (pr.left() > r.right())
break;
p.translate(page->pos());
QList<Element*> ell = page->items(r.translated(-page->pos()));
drawElements(p, ell, nullptr);
p.translate(-page->pos());
}
score()->setPrinting(false);
p.end();
}
//---------------------------------------------------------
// fotoDragDrop
//---------------------------------------------------------
void ScoreView::fotoDragDrop(QMouseEvent*)
{
bool printMode = true;
QRectF r(_foto->bbox());
QTemporaryFile tf(QDir::tempPath() + QString("/imgXXXXXX.svg"));
tf.setAutoRemove(false);
tf.open();
tf.close();
qDebug("Temp File <%s>", qPrintable(tf.fileName()));
// QString fn = "/home/ws/mops.eps";
QString fn = tf.fileName();
int w = lrint(r.width());
int h = lrint(r.height());
SvgGenerator printer;
printer.setFileName(fn);
printer.setTitle(_score->title());
printer.setSize(QSize(w, h));
printer.setViewBox(QRect(0, 0, w, h));
QPainter p(&printer);
MScore::pdfPrinting = true;
paintRect(printMode, p, r, 1);
MScore::pdfPrinting = false;
QDrag* drag = new QDrag(this);
QMimeData* mimeData = new QMimeData;
QUrl url = QUrl::fromLocalFile(fn);
QList<QUrl> ul;
ul.append(url);
mimeData->setUrls(ul);
drag->setMimeData(mimeData);
drag->start(Qt::CopyAction);
}
}