You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
450 lines
14 KiB
450 lines
14 KiB
|
|
/*
|
|
Copyright (c) 2003,2004,2005 Clarence Dang <dang@kde.org>
|
|
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_SKEW 0
|
|
#define DEBUG_KP_TOOL_SKEW_DIALOG 0
|
|
|
|
|
|
#include <kptoolskew.h>
|
|
|
|
#include <tqapplication.h>
|
|
#include <tqgroupbox.h>
|
|
#include <tqlabel.h>
|
|
#include <tqlayout.h>
|
|
#include <tqpushbutton.h>
|
|
#include <tqwmatrix.h>
|
|
|
|
#include <kdebug.h>
|
|
#include <kiconloader.h>
|
|
#include <klocale.h>
|
|
#include <knuminput.h>
|
|
|
|
#include <kpdefs.h>
|
|
#include <kpdocument.h>
|
|
#include <kpmainwindow.h>
|
|
#include <kppixmapfx.h>
|
|
#include <kpselection.h>
|
|
#include <kptool.h>
|
|
|
|
|
|
/*
|
|
* kpToolSkewCommand
|
|
*/
|
|
|
|
kpToolSkewCommand::kpToolSkewCommand (bool actOnSelection,
|
|
int hangle, int vangle,
|
|
kpMainWindow *mainWindow)
|
|
: kpCommand (mainWindow),
|
|
m_actOnSelection (actOnSelection),
|
|
m_hangle (hangle), m_vangle (vangle),
|
|
m_backgroundColor (mainWindow ? mainWindow->backgroundColor (actOnSelection) : kpColor::invalid),
|
|
m_oldPixmapPtr (0)
|
|
{
|
|
}
|
|
|
|
kpToolSkewCommand::~kpToolSkewCommand ()
|
|
{
|
|
delete m_oldPixmapPtr;
|
|
}
|
|
|
|
|
|
// public virtual [base kpCommand]
|
|
TQString kpToolSkewCommand::name () const
|
|
{
|
|
TQString opName = i18n ("Skew");
|
|
|
|
if (m_actOnSelection)
|
|
return i18n ("Selection: %1").arg (opName);
|
|
else
|
|
return opName;
|
|
}
|
|
|
|
|
|
// public virtual [base kpCommand]
|
|
int kpToolSkewCommand::size () const
|
|
{
|
|
return kpPixmapFX::pixmapSize (m_oldPixmapPtr) +
|
|
m_oldSelection.size ();
|
|
}
|
|
|
|
|
|
// public virtual [base kpCommand]
|
|
void kpToolSkewCommand::execute ()
|
|
{
|
|
kpDocument *doc = document ();
|
|
if (!doc)
|
|
return;
|
|
|
|
|
|
TQApplication::setOverrideCursor (TQt::waitCursor);
|
|
|
|
|
|
m_oldPixmapPtr = new TQPixmap ();
|
|
*m_oldPixmapPtr = *doc->pixmap (m_actOnSelection);
|
|
|
|
|
|
TQPixmap newPixmap = kpPixmapFX::skew (*doc->pixmap (m_actOnSelection),
|
|
kpToolSkewDialog::horizontalAngleForPixmapFX (m_hangle),
|
|
kpToolSkewDialog::verticalAngleForPixmapFX (m_vangle),
|
|
m_backgroundColor);
|
|
|
|
if (m_actOnSelection)
|
|
{
|
|
kpSelection *sel = doc->selection ();
|
|
|
|
// Save old selection
|
|
m_oldSelection = *sel;
|
|
|
|
|
|
// Calculate skewed points
|
|
TQPointArray currentPoints = sel->points ();
|
|
currentPoints.translate (-currentPoints.boundingRect ().x (),
|
|
-currentPoints.boundingRect ().y ());
|
|
TQWMatrix skewMatrix = kpPixmapFX::skewMatrix (
|
|
*doc->pixmap (m_actOnSelection),
|
|
kpToolSkewDialog::horizontalAngleForPixmapFX (m_hangle),
|
|
kpToolSkewDialog::verticalAngleForPixmapFX (m_vangle));
|
|
currentPoints = skewMatrix.map (currentPoints);
|
|
currentPoints.translate (-currentPoints.boundingRect ().x () + m_oldSelection.x (),
|
|
-currentPoints.boundingRect ().y () + m_oldSelection.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_SKEW
|
|
kdDebug () << "kpToolSkewCommand::execute() currentPoints.boundingRect="
|
|
<< currentPoints.boundingRect ()
|
|
<< " newPixmap: w=" << newPixmap.width ()
|
|
<< " h=" << newPixmap.height ()
|
|
<< " (victim of rounding error and/or skewed-a-(rectangular)-pixmap-that-was-transparent-in-the-corners-making-sel-uselessly-bigger-than-needs-be))"
|
|
<< endl;
|
|
#endif
|
|
doc->setSelection (kpSelection (kpSelection::Rectangle,
|
|
TQRect (currentPoints.boundingRect ().x (),
|
|
currentPoints.boundingRect ().y (),
|
|
newPixmap.width (),
|
|
newPixmap.height ()),
|
|
newPixmap,
|
|
m_oldSelection.transparency ()));
|
|
}
|
|
|
|
if (m_mainWindow->tool ())
|
|
m_mainWindow->tool ()->somethingBelowTheCursorChanged ();
|
|
}
|
|
else
|
|
{
|
|
doc->setPixmap (newPixmap);
|
|
}
|
|
|
|
|
|
TQApplication::restoreOverrideCursor ();
|
|
}
|
|
|
|
// public virtual [base kpCommand]
|
|
void kpToolSkewCommand::unexecute ()
|
|
{
|
|
kpDocument *doc = document ();
|
|
if (!doc)
|
|
return;
|
|
|
|
|
|
TQApplication::setOverrideCursor (TQt::waitCursor);
|
|
|
|
|
|
TQPixmap oldPixmap = *m_oldPixmapPtr;
|
|
delete m_oldPixmapPtr; m_oldPixmapPtr = 0;
|
|
|
|
|
|
if (!m_actOnSelection)
|
|
doc->setPixmap (oldPixmap);
|
|
else
|
|
{
|
|
kpSelection oldSelection = m_oldSelection;
|
|
doc->setSelection (oldSelection);
|
|
|
|
if (m_mainWindow->tool ())
|
|
m_mainWindow->tool ()->somethingBelowTheCursorChanged ();
|
|
}
|
|
|
|
|
|
TQApplication::restoreOverrideCursor ();
|
|
}
|
|
|
|
|
|
/*
|
|
* kpToolSkewDialog
|
|
*/
|
|
|
|
|
|
// private static
|
|
int kpToolSkewDialog::s_lastWidth = -1,
|
|
kpToolSkewDialog::s_lastHeight = -1;
|
|
|
|
// private static
|
|
int kpToolSkewDialog::s_lastHorizontalAngle = 0,
|
|
kpToolSkewDialog::s_lastVerticalAngle = 0;
|
|
|
|
|
|
kpToolSkewDialog::kpToolSkewDialog (bool actOnSelection, kpMainWindow *parent,
|
|
const char *name)
|
|
: kpToolPreviewDialog (kpToolPreviewDialog::AllFeatures,
|
|
false/*don't reserve top row*/,
|
|
actOnSelection ? i18n ("Skew Selection") : i18n ("Skew Image"),
|
|
i18n ("After Skew:"),
|
|
actOnSelection, parent, name)
|
|
{
|
|
// Too confusing - disable for now
|
|
s_lastHorizontalAngle = s_lastVerticalAngle = 0;
|
|
|
|
|
|
createAngleGroupBox ();
|
|
|
|
|
|
if (s_lastWidth > 0 && s_lastHeight > 0)
|
|
resize (s_lastWidth, s_lastHeight);
|
|
|
|
|
|
slotUpdate ();
|
|
|
|
|
|
m_horizontalSkewInput->setEditFocus ();
|
|
}
|
|
|
|
kpToolSkewDialog::~kpToolSkewDialog ()
|
|
{
|
|
s_lastWidth = width (), s_lastHeight = height ();
|
|
}
|
|
|
|
|
|
// private
|
|
void kpToolSkewDialog::createAngleGroupBox ()
|
|
{
|
|
TQGroupBox *angleGroupBox = new TQGroupBox (i18n ("Angle"), mainWidget ());
|
|
addCustomWidget (angleGroupBox);
|
|
|
|
|
|
TQLabel *horizontalSkewPixmapLabel = new TQLabel (angleGroupBox);
|
|
horizontalSkewPixmapLabel->setPixmap (UserIcon ("image_skew_horizontal"));
|
|
|
|
TQLabel *horizontalSkewLabel = new TQLabel (i18n ("&Horizontal:"), angleGroupBox);
|
|
m_horizontalSkewInput = new KIntNumInput (s_lastHorizontalAngle, angleGroupBox);
|
|
m_horizontalSkewInput->setMinValue (-89);
|
|
m_horizontalSkewInput->setMaxValue (+89);
|
|
|
|
TQLabel *horizontalSkewDegreesLabel = new TQLabel (i18n ("degrees"), angleGroupBox);
|
|
|
|
|
|
TQLabel *verticalSkewPixmapLabel = new TQLabel (angleGroupBox);
|
|
verticalSkewPixmapLabel->setPixmap (UserIcon ("image_skew_vertical"));
|
|
|
|
TQLabel *verticalSkewLabel = new TQLabel (i18n ("&Vertical:"), angleGroupBox);
|
|
m_verticalSkewInput = new KIntNumInput (s_lastVerticalAngle, angleGroupBox);
|
|
m_verticalSkewInput->setMinValue (-89);
|
|
m_verticalSkewInput->setMaxValue (+89);
|
|
|
|
TQLabel *verticalSkewDegreesLabel = new TQLabel (i18n ("degrees"), angleGroupBox);
|
|
|
|
|
|
horizontalSkewLabel->setBuddy (m_horizontalSkewInput);
|
|
verticalSkewLabel->setBuddy (m_verticalSkewInput);
|
|
|
|
|
|
TQGridLayout *angleLayout = new TQGridLayout (angleGroupBox, 4, 4,
|
|
marginHint () * 2, spacingHint ());
|
|
|
|
angleLayout->addWidget (horizontalSkewPixmapLabel, 0, 0);
|
|
angleLayout->addWidget (horizontalSkewLabel, 0, 1);
|
|
angleLayout->addWidget (m_horizontalSkewInput, 0, 2);
|
|
angleLayout->addWidget (horizontalSkewDegreesLabel, 0, 3);
|
|
|
|
angleLayout->addWidget (verticalSkewPixmapLabel, 1, 0);
|
|
angleLayout->addWidget (verticalSkewLabel, 1, 1);
|
|
angleLayout->addWidget (m_verticalSkewInput, 1, 2);
|
|
angleLayout->addWidget (verticalSkewDegreesLabel, 1, 3);
|
|
|
|
|
|
connect (m_horizontalSkewInput, TQT_SIGNAL (valueChanged (int)),
|
|
this, TQT_SLOT (slotUpdate ()));
|
|
connect (m_verticalSkewInput, TQT_SIGNAL (valueChanged (int)),
|
|
this, TQT_SLOT (slotUpdate ()));
|
|
}
|
|
|
|
|
|
// private virtual [base kpToolPreviewDialog]
|
|
TQSize kpToolSkewDialog::newDimensions () const
|
|
{
|
|
kpDocument *doc = document ();
|
|
if (!doc)
|
|
return TQSize ();
|
|
|
|
TQWMatrix skewMatrix = kpPixmapFX::skewMatrix (*doc->pixmap (),
|
|
horizontalAngleForPixmapFX (),
|
|
verticalAngleForPixmapFX ());
|
|
// TODO: Should we be using TQWMatrix::Areas?
|
|
TQRect skewRect = skewMatrix.mapRect (doc->rect (m_actOnSelection));
|
|
|
|
return TQSize (skewRect.width (), skewRect.height ());
|
|
}
|
|
|
|
// private virtual [base kpToolPreviewDialog]
|
|
TQPixmap kpToolSkewDialog::transformPixmap (const TQPixmap &pixmap,
|
|
int targetWidth, int targetHeight) const
|
|
{
|
|
return kpPixmapFX::skew (pixmap,
|
|
horizontalAngleForPixmapFX (),
|
|
verticalAngleForPixmapFX (),
|
|
m_mainWindow ? m_mainWindow->backgroundColor (m_actOnSelection) : kpColor::invalid,
|
|
targetWidth,
|
|
targetHeight);
|
|
}
|
|
|
|
|
|
// private
|
|
void kpToolSkewDialog::updateLastAngles ()
|
|
{
|
|
s_lastHorizontalAngle = horizontalAngle ();
|
|
s_lastVerticalAngle = verticalAngle ();
|
|
}
|
|
|
|
// private slot virtual [base kpToolPreviewDialog]
|
|
void kpToolSkewDialog::slotUpdate ()
|
|
{
|
|
updateLastAngles ();
|
|
kpToolPreviewDialog::slotUpdate ();
|
|
}
|
|
|
|
|
|
// public
|
|
int kpToolSkewDialog::horizontalAngle () const
|
|
{
|
|
return m_horizontalSkewInput->value ();
|
|
}
|
|
|
|
// public
|
|
int kpToolSkewDialog::verticalAngle () const
|
|
{
|
|
return m_verticalSkewInput->value ();
|
|
}
|
|
|
|
|
|
// public static
|
|
int kpToolSkewDialog::horizontalAngleForPixmapFX (int hangle)
|
|
{
|
|
return -hangle;
|
|
}
|
|
|
|
// public static
|
|
int kpToolSkewDialog::verticalAngleForPixmapFX (int vangle)
|
|
{
|
|
return -vangle;
|
|
}
|
|
|
|
|
|
// public
|
|
int kpToolSkewDialog::horizontalAngleForPixmapFX () const
|
|
{
|
|
return kpToolSkewDialog::horizontalAngleForPixmapFX (horizontalAngle ());
|
|
}
|
|
|
|
// public
|
|
int kpToolSkewDialog::verticalAngleForPixmapFX () const
|
|
{
|
|
return kpToolSkewDialog::verticalAngleForPixmapFX (verticalAngle ());
|
|
}
|
|
|
|
|
|
// public virtual [base kpToolPreviewDialog]
|
|
bool kpToolSkewDialog::isNoOp () const
|
|
{
|
|
return (horizontalAngle () == 0) && (verticalAngle () == 0);
|
|
}
|
|
|
|
|
|
// private slot virtual [base KDialogBase]
|
|
void kpToolSkewDialog::slotOk ()
|
|
{
|
|
TQString message, caption, continueButtonText;
|
|
|
|
if (document ()->selection ())
|
|
{
|
|
if (!document ()->selection ()->isText ())
|
|
{
|
|
message =
|
|
i18n ("<qt><p>Skewing the selection to %1x%2"
|
|
" may take a substantial amount of memory."
|
|
" This can reduce system"
|
|
" responsiveness and cause other application resource"
|
|
" problems.</p>"
|
|
|
|
"<p>Are you sure want to skew the selection?</p></qt>");
|
|
|
|
caption = i18n ("Skew Selection?");
|
|
continueButtonText = i18n ("Sk&ew Selection");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
message =
|
|
i18n ("<qt><p>Skewing the image to %1x%2"
|
|
" may take a substantial amount of memory."
|
|
" This can reduce system"
|
|
" responsiveness and cause other application resource"
|
|
" problems.</p>"
|
|
|
|
"<p>Are you sure want to skew the image?</p></qt>");
|
|
|
|
caption = i18n ("Skew Image?");
|
|
continueButtonText = i18n ("Sk&ew 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 <kptoolskew.moc>
|