/* Copyright (c) 2003,2004,2005 Clarence Dang All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #define DEBUG_KP_TOOL_ROTATE 0 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include kpToolRotateCommand::kpToolRotateCommand (bool actOnSelection, double angle, kpMainWindow *mainWindow) : kpCommand (mainWindow), m_actOnSelection (actOnSelection), m_angle (angle), m_backgroundColor (mainWindow ? mainWindow->backgroundColor (actOnSelection) : kpColor::invalid), m_losslessRotation (kpPixmapFX::isLosslessRotation (angle)) { } kpToolRotateCommand::~kpToolRotateCommand () { } // public virtual [base kpCommand] QString kpToolRotateCommand::name () const { QString opName = i18n ("Rotate"); if (m_actOnSelection) return i18n ("Selection: %1").arg (opName); else return opName; } // public virtual [base kpCommand] int kpToolRotateCommand::size () const { return kpPixmapFX::pixmapSize (m_oldPixmap) + m_oldSelection.size (); } // public virtual [base kpCommand] void kpToolRotateCommand::execute () { kpDocument *doc = document (); if (!doc) return; QApplication::setOverrideCursor (Qt::waitCursor); if (!m_losslessRotation) m_oldPixmap = *doc->pixmap (m_actOnSelection); QPixmap newPixmap = kpPixmapFX::rotate (*doc->pixmap (m_actOnSelection), m_angle, m_backgroundColor); if (m_actOnSelection) { kpSelection *sel = doc->selection (); // Save old selection m_oldSelection = *sel; m_oldSelection.setPixmap (QPixmap ()); // Calculate new top left (so selection rotates about centre) // (the Times2 trickery is used to reduce integer division error without // resorting to the troublesome world of floating point) QPoint oldCenterTimes2 (sel->x () * 2 + sel->width (), sel->y () * 2 + sel->height ()); QPoint newTopLeftTimes2 (oldCenterTimes2 - QPoint (newPixmap.width (), newPixmap.height ())); QPoint newTopLeft (newTopLeftTimes2.x () / 2, newTopLeftTimes2.y () / 2); // Calculate rotated points QPointArray currentPoints = sel->points (); currentPoints.translate (-currentPoints.boundingRect ().x (), -currentPoints.boundingRect ().y ()); QWMatrix rotateMatrix = kpPixmapFX::rotateMatrix (*doc->pixmap (m_actOnSelection), m_angle); currentPoints = rotateMatrix.map (currentPoints); currentPoints.translate (-currentPoints.boundingRect ().x () + newTopLeft.x (), -currentPoints.boundingRect ().y () + newTopLeft.y ()); if (currentPoints.boundingRect ().width () == newPixmap.width () && currentPoints.boundingRect ().height () == newPixmap.height ()) { doc->setSelection (kpSelection (currentPoints, newPixmap, m_oldSelection.transparency ())); } else { // TODO: fix the latter "victim of" problem in kpSelection by // allowing the border width & height != pixmap width & height // Or maybe autocrop? #if DEBUG_KP_TOOL_ROTATE kdDebug () << "kpToolRotateCommand::execute() currentPoints.boundingRect=" << currentPoints.boundingRect () << " newPixmap: w=" << newPixmap.width () << " h=" << newPixmap.height () << " (victim of rounding error and/or rotated-a-(rectangular)-pixmap-that-was-transparent-in-the-corners-making-sel-uselessly-bigger-than-needs-be)" << endl; #endif doc->setSelection (kpSelection (kpSelection::Rectangle, QRect (newTopLeft.x (), newTopLeft.y (), newPixmap.width (), newPixmap.height ()), newPixmap, m_oldSelection.transparency ())); } if (m_mainWindow->tool ()) m_mainWindow->tool ()->somethingBelowTheCursorChanged (); } else doc->setPixmap (newPixmap); QApplication::restoreOverrideCursor (); } // public virtual [base kpCommand] void kpToolRotateCommand::unexecute () { kpDocument *doc = document (); if (!doc) return; QApplication::setOverrideCursor (Qt::waitCursor); QPixmap oldPixmap; if (!m_losslessRotation) { oldPixmap = m_oldPixmap; m_oldPixmap.resize (0, 0); } else { oldPixmap = kpPixmapFX::rotate (*doc->pixmap (m_actOnSelection), 360 - m_angle, m_backgroundColor); } if (!m_actOnSelection) doc->setPixmap (oldPixmap); else { kpSelection oldSelection = m_oldSelection; oldSelection.setPixmap (oldPixmap); doc->setSelection (oldSelection); if (m_mainWindow->tool ()) m_mainWindow->tool ()->somethingBelowTheCursorChanged (); } QApplication::restoreOverrideCursor (); } /* * kpToolRotateDialog */ // private static int kpToolRotateDialog::s_lastWidth = -1, kpToolRotateDialog::s_lastHeight = -1; // private static bool kpToolRotateDialog::s_lastIsClockwise = true; int kpToolRotateDialog::s_lastAngleRadioButtonID = 3; int kpToolRotateDialog::s_lastAngleCustom = 0; kpToolRotateDialog::kpToolRotateDialog (bool actOnSelection, kpMainWindow *mainWindow, const char *name) : kpToolPreviewDialog (kpToolPreviewDialog::AllFeatures, false/*don't reserve top row*/, actOnSelection ? i18n ("Rotate Selection") : i18n ("Rotate Image"), i18n ("After Rotate:"), actOnSelection, mainWindow, name) { // Too confusing - disable for now s_lastAngleRadioButtonID = 3; s_lastAngleCustom = 0; createDirectionGroupBox (); createAngleGroupBox (); if (s_lastWidth > 0 && s_lastHeight > 0) resize (s_lastWidth, s_lastHeight); slotAngleCustomRadioButtonToggled (m_angleCustomRadioButton->isChecked ()); slotUpdate (); } kpToolRotateDialog::~kpToolRotateDialog () { s_lastWidth = width (), s_lastHeight = height (); } // private void kpToolRotateDialog::createDirectionGroupBox () { QGroupBox *directionGroupBox = new QGroupBox (i18n ("Direction"), mainWidget ()); addCustomWidget (directionGroupBox); QLabel *antiClockwisePixmapLabel = new QLabel (directionGroupBox); antiClockwisePixmapLabel->setPixmap (UserIcon ("image_rotate_anticlockwise")); QLabel *clockwisePixmapLabel = new QLabel (directionGroupBox); clockwisePixmapLabel->setPixmap (UserIcon ("image_rotate_clockwise")); m_antiClockwiseRadioButton = new QRadioButton (i18n ("Cou&nterclockwise"), directionGroupBox); m_clockwiseRadioButton = new QRadioButton (i18n ("C&lockwise"), directionGroupBox); m_antiClockwiseRadioButton->setChecked (!s_lastIsClockwise); m_clockwiseRadioButton->setChecked (s_lastIsClockwise); QButtonGroup *buttonGroup = new QButtonGroup (directionGroupBox); buttonGroup->hide (); buttonGroup->insert (m_antiClockwiseRadioButton); buttonGroup->insert (m_clockwiseRadioButton); QGridLayout *directionLayout = new QGridLayout (directionGroupBox, 2, 2, marginHint () * 2, spacingHint ()); directionLayout->addWidget (antiClockwisePixmapLabel, 0, 0, Qt::AlignCenter); directionLayout->addWidget (clockwisePixmapLabel, 0, 1, Qt::AlignCenter); directionLayout->addWidget (m_antiClockwiseRadioButton, 1, 0, Qt::AlignCenter); directionLayout->addWidget (m_clockwiseRadioButton, 1, 1, Qt::AlignCenter); connect (m_antiClockwiseRadioButton, SIGNAL (toggled (bool)), this, SLOT (slotUpdate ())); connect (m_clockwiseRadioButton, SIGNAL (toggled (bool)), this, SLOT (slotUpdate ())); } // private void kpToolRotateDialog::createAngleGroupBox () { QGroupBox *angleGroupBox = new QGroupBox (i18n ("Angle"), mainWidget ()); addCustomWidget (angleGroupBox); m_angle90RadioButton = new QRadioButton (i18n ("90 °rees"), angleGroupBox); m_angle180RadioButton = new QRadioButton (i18n ("180 d&egrees"), angleGroupBox); m_angle270RadioButton = new QRadioButton (i18n ("270 de&grees"), angleGroupBox); m_angleCustomRadioButton = new QRadioButton (i18n ("C&ustom:"), angleGroupBox); m_angleCustomInput = new KIntNumInput (s_lastAngleCustom, angleGroupBox); m_angleCustomInput->setMinValue (-359); m_angleCustomInput->setMaxValue (+359); QLabel *degreesLabel = new QLabel (i18n ("degrees"), angleGroupBox); m_angleButtonGroup = new QButtonGroup (angleGroupBox); m_angleButtonGroup->hide (); m_angleButtonGroup->insert (m_angle90RadioButton); m_angleButtonGroup->insert (m_angle180RadioButton); m_angleButtonGroup->insert (m_angle270RadioButton); m_angleButtonGroup->insert (m_angleCustomRadioButton); m_angleButtonGroup->setButton (s_lastAngleRadioButtonID); QGridLayout *angleLayout = new QGridLayout (angleGroupBox, 6, 3, marginHint () * 2, spacingHint ()); angleLayout->addMultiCellWidget (m_angle90RadioButton, 0, 0, 0, 2); angleLayout->addMultiCellWidget (m_angle180RadioButton, 1, 1, 0, 2); angleLayout->addMultiCellWidget (m_angle270RadioButton, 2, 2, 0, 2); angleLayout->addWidget (m_angleCustomRadioButton, 3, 0); angleLayout->addWidget (m_angleCustomInput, 3, 1); angleLayout->addWidget (degreesLabel, 3, 2); angleLayout->setColStretch (1, 2); // Stretch Custom Angle Input connect (m_angle90RadioButton, SIGNAL (toggled (bool)), this, SLOT (slotUpdate ())); connect (m_angle180RadioButton, SIGNAL (toggled (bool)), this, SLOT (slotUpdate ())); connect (m_angle270RadioButton, SIGNAL (toggled (bool)), this, SLOT (slotUpdate ())); connect (m_angleCustomRadioButton, SIGNAL (toggled (bool)), this, SLOT (slotAngleCustomRadioButtonToggled (bool))); connect (m_angleCustomRadioButton, SIGNAL (toggled (bool)), this, SLOT (slotUpdate ())); connect (m_angleCustomInput, SIGNAL (valueChanged (int)), this, SLOT (slotUpdate ())); } // public virtual [base kpToolPreviewDialog] bool kpToolRotateDialog::isNoOp () const { return (angle () == 0); } // public int kpToolRotateDialog::angle () const { int retAngle; if (m_angle90RadioButton->isChecked ()) retAngle = 90; else if (m_angle180RadioButton->isChecked ()) retAngle = 180; else if (m_angle270RadioButton->isChecked ()) retAngle = 270; else // if (m_angleCustomRadioButton->isChecked ()) retAngle = m_angleCustomInput->value (); if (m_antiClockwiseRadioButton->isChecked ()) retAngle *= -1; if (retAngle < 0) retAngle += ((0 - retAngle) / 360 + 1) * 360; if (retAngle >= 360) retAngle -= ((retAngle - 360) / 360 + 1) * 360; return retAngle; } // private virtual [base kpToolPreviewDialog] QSize kpToolRotateDialog::newDimensions () const { QWMatrix matrix = kpPixmapFX::rotateMatrix (m_oldWidth, m_oldHeight, angle ()); // TODO: Should we be using QWMatrix::Areas? QRect rect = matrix.map (QRect (0, 0, m_oldWidth, m_oldHeight)); return rect.size (); } // private virtual [base kpToolPreviewDialog] QPixmap kpToolRotateDialog::transformPixmap (const QPixmap &pixmap, int targetWidth, int targetHeight) const { return kpPixmapFX::rotate (pixmap, angle (), m_mainWindow ? m_mainWindow->backgroundColor (m_actOnSelection) : kpColor::invalid, targetWidth, targetHeight); } // private slot void kpToolRotateDialog::slotAngleCustomRadioButtonToggled (bool isChecked) { m_angleCustomInput->setEnabled (isChecked); if (isChecked) m_angleCustomInput->setEditFocus (); } // private slot virtual [base kpToolPreviewDialog] void kpToolRotateDialog::slotUpdate () { s_lastIsClockwise = m_clockwiseRadioButton->isChecked (); s_lastAngleRadioButtonID = m_angleButtonGroup->selectedId (); s_lastAngleCustom = m_angleCustomInput->value (); kpToolPreviewDialog::slotUpdate (); } // private slot virtual [base KDialogBase] void kpToolRotateDialog::slotOk () { QString message, caption, continueButtonText; if (document ()->selection ()) { if (!document ()->selection ()->isText ()) { message = i18n ("

Rotating the selection to %1x%2" " may take a substantial amount of memory." " This can reduce system" " responsiveness and cause other application resource" " problems.

" "

Are you sure want to rotate the selection?

"); caption = i18n ("Rotate Selection?"); continueButtonText = i18n ("Rotat&e Selection"); } } else { message = i18n ("

Rotating the image to %1x%2" " may take a substantial amount of memory." " This can reduce system" " responsiveness and cause other application resource" " problems.

" "

Are you sure want to rotate the image?

"); caption = i18n ("Rotate Image?"); continueButtonText = i18n ("Rotat&e Image"); } const int newWidth = newDimensions ().width (); const int newHeight = newDimensions ().height (); if (kpTool::warnIfBigImageSize (m_oldWidth, m_oldHeight, newWidth, newHeight, message.arg (newWidth).arg (newHeight), caption, continueButtonText, this)) { KDialogBase::slotOk (); } } #include