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tdegraphics/tdeiconedit/tdeicongrid.cpp

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/*
TDE Icon Editor - a small graphics drawing program for the TDE.
Copyright (C) 1998 Thomas Tanghus (tanghus@kde.org)
Includes portions of code from TQt,
Copyright (C) 1992-2000 Trolltech AS.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <stdlib.h>
#include <tqpainter.h>
#include <tqwhatsthis.h>
#include <tqscrollview.h>
#include <tqbitmap.h>
#include <tqclipboard.h>
#include <tqdatetime.h>
#include <kiconloader.h>
#include <kruler.h>
#include <tdelocale.h>
#include <tdemessagebox.h>
#include <kdebug.h>
#include "kresize.h"
#include "properties.h"
#include "tdeicongrid.h"
#include "tdeiconedit.h"
#ifndef PICS_INCLUDED
#include "pics/logo.xpm"
#define PICS_INCLUDED
#endif
#include <X11/Xos.h>
void DrawCommand::execute()
{
oldcolor = *((uint*)image->scanLine(y) + x);
*((uint*)image->scanLine(y) + x) = newcolor;
int cell = y * grid->numCols() + x;
grid->setUndoColor( cell, newcolor, false );
}
void DrawCommand::unexecute()
{
*((uint*)image->scanLine(y) + x) = oldcolor;
int cell = y * grid->numCols() + x;
grid->setUndoColor( cell, oldcolor, false );
}
void RepaintCommand::execute()
{
grid->update( area);
}
KGridView::KGridView(TQImage *image, KCommandHistory* history, TQWidget *parent, const char *name)
: TQFrame(parent, name)
{
_corner = 0L;
_hruler = _vruler = 0L;
_grid = 0L;
acceptdrop = false;
TDEIconEditProperties *props = TDEIconEditProperties::self();
viewport = new TQScrollView(this);
13 years ago
TQ_CHECK_PTR(viewport);
_grid = new TDEIconEditGrid(image, history, viewport->viewport());
13 years ago
TQ_CHECK_PTR(_grid);
viewport->addChild(_grid);
_grid->setGrid(props->showGrid());
_grid->setCellSize(props->gridScale());
TQString str = i18n( "Icon draw grid\n\nThe icon grid is the area where"
" you draw the icons.\nYou can zoom in and out using the magnifying"
" glasses on the toolbar.\n(Tip: Hold the magnify button down for a"
" few seconds to zoom to a predefined scale)" );
TQWhatsThis::add( _grid, str );
if(props->bgMode() == FixedPixmap)
{
TQPixmap pix(props->bgPixmap());
if(pix.isNull())
{
TQPixmap pmlogo((const char **)logo);
pix = pmlogo;
}
viewport->viewport()->setBackgroundPixmap(pix);
_grid->setBackgroundPixmap(pix);
}
else
{
viewport->viewport()->setBackgroundColor(props->bgColor());
}
_corner = new TQFrame(this);
_corner->setFrameStyle(TQFrame::WinPanel | TQFrame::Raised);
_hruler = new KRuler(Qt::Horizontal, this);
_hruler->setEndLabel(i18n("width"));
_hruler->setOffset( -2 );
_hruler->setRange(0, 1000);
_vruler = new KRuler(Qt::Vertical, this);
_vruler->setEndLabel(i18n("height"));
_vruler->setOffset( -2 );
_vruler->setRange(0, 1000);
str = i18n( "Rulers\n\nThis is a visual representation of the current"
" cursor position" );
TQWhatsThis::add( _hruler, str );
TQWhatsThis::add( _vruler, str );
connect(_grid, TQT_SIGNAL(scalingchanged(int)), TQT_SLOT(scalingChange(int)));
connect(_grid, TQT_SIGNAL(sizechanged(int, int)), TQT_SLOT(sizeChange(int, int)));
connect(_grid, TQT_SIGNAL(needPainting()), TQT_SLOT(paintGrid()));
connect( _grid, TQT_SIGNAL(xposchanged(int)), _hruler, TQT_SLOT(slotNewValue(int)) );
connect( _grid, TQT_SIGNAL(yposchanged(int)), _vruler, TQT_SLOT(slotNewValue(int)) );
connect(viewport, TQT_SIGNAL(contentsMoving(int, int)), TQT_SLOT(moving(int, int)));
setSizes();
TQResizeEvent e(size(), size());
resizeEvent(&e);
}
void KGridView::paintGrid()
{
_grid->update(viewRect());
}
void KGridView::setSizes()
{
if(TDEIconEditProperties::self()->showRulers())
{
_hruler->setLittleMarkDistance(_grid->scaling());
_vruler->setLittleMarkDistance(_grid->scaling());
_hruler->setMediumMarkDistance(5);
_vruler->setMediumMarkDistance(5);
_hruler->setBigMarkDistance(10);
_vruler->setBigMarkDistance(10);
_hruler->setShowTinyMarks(true);
_hruler->setShowLittleMarks(false);
_hruler->setShowMediumMarks(true);
_hruler->setShowBigMarks(true);
_hruler->setShowEndMarks(true);
_vruler->setShowTinyMarks(true);
_vruler->setShowLittleMarks(false);
_vruler->setShowMediumMarks(true);
_vruler->setShowBigMarks(true);
_vruler->setShowEndMarks(true);
_hruler->setPixelPerMark(_grid->scaling());
_vruler->setPixelPerMark(_grid->scaling());
_hruler->setMaxValue(_grid->width()+20);
_vruler->setMaxValue(_grid->height()+20);
_hruler->show();
_vruler->show();
_corner->show();
//resize(_grid->width()+_vruler->width(), _grid->height()+_hruler->height());
}
else
{
_hruler->hide();
_vruler->hide();
_corner->hide();
//resize(_grid->size());
}
}
void KGridView::sizeChange(int, int)
{
setSizes();
}
void KGridView::moving(int x, int y)
{
_hruler->setOffset(abs(x));
_vruler->setOffset(abs(y));
}
void KGridView::scalingChange(int)
{
setSizes();
}
void KGridView::setShowRulers(bool mode)
{
TDEIconEditProperties::self()->setShowRulers( mode );
setSizes();
TQResizeEvent e(size(), size());
resizeEvent(&e);
}
void KGridView::setAcceptDrop(bool a)
{
if(a == acceptdrop) return;
acceptdrop = a;
paintDropSite();
}
void KGridView::checkClipboard()
{
_grid->checkClipboard();
}
const TQRect KGridView::viewRect()
{
int x, y, cx, cy;
if(viewport->horizontalScrollBar()->isVisible())
{
x = viewport->contentsX();
cx = viewport->viewport()->width();
}
else
{
x = 0;
cx = viewport->contentsWidth();
}
if(viewport->verticalScrollBar()->isVisible())
{
y = viewport->contentsY();
cy = viewport->viewport()->height();
}
else
{
y = 0;
cy = viewport->contentsHeight();
}
return TQRect(x, y, cx, cy);
}
void KGridView::paintDropSite()
{
TQPainter p;
p.begin( _grid );
p.setRasterOp (NotROP);
p.drawRect(viewRect());
p.end();
}
void KGridView::paintEvent(TQPaintEvent *)
{
if(acceptdrop)
paintDropSite();
}
void KGridView::resizeEvent(TQResizeEvent*)
{
kdDebug(4640) << "KGridView::resizeEvent" << endl;
setSizes();
if(TDEIconEditProperties::self()->showRulers())
{
_hruler->setGeometry(_vruler->width(), 0, width(), _hruler->height());
_vruler->setGeometry(0, _hruler->height(), _vruler->width(), height());
_corner->setGeometry(0, 0, _vruler->width(), _hruler->height());
viewport->setGeometry(_corner->width(), _corner->height(),
width()-_corner->width(), height()-_corner->height());
}
else
viewport->setGeometry(0, 0, width(), height());
}
TDEIconEditGrid::TDEIconEditGrid(TQImage *image, KCommandHistory* h, TQWidget *parent, const char *name)
: KColorGrid(parent, name, 1)
{
img = image;
history = h;
selected = 0;
m_command = 0;
// the 42 normal kde colors - there can be an additional
// 18 custom colors in the custom colors palette
for(uint i = 0; i < 42; i++)
iconcolors.append(iconpalette[i]);
setupImageHandlers();
btndown = isselecting = ispasting = modified = false;
img->create(32, 32, 32);
img->setAlphaBuffer(true);
clearImage(img);
currentcolor = tqRgb(0,0,0)|OPAQUE_MASK;
emit colorSelected(currentcolor);
setMouseTracking(true);
setNumRows(32);
setNumCols(32);
fill(TRANSPARENT);
connect( kapp->clipboard(), TQT_SIGNAL(dataChanged()), TQT_SLOT(checkClipboard()));
connect( h, TQT_SIGNAL(commandExecuted()), this, TQT_SLOT(updatePreviewPixmap() ));
createCursors();
TDEIconEditProperties *props = TDEIconEditProperties::self();
setTransparencyDisplayType(props->transparencyDisplayType());
setTransparencySolidColor(props->transparencySolidColor());
setCheckerboardColor1(props->checkerboardColor1());
setCheckerboardColor2(props->checkerboardColor2());
setCheckerboardSize(props->checkerboardSize());
}
TDEIconEditGrid::~TDEIconEditGrid()
{
kdDebug(4640) << "TDEIconEditGrid - destructor: done" << endl;
}
void TDEIconEditGrid::paintEvent(TQPaintEvent *e)
{
const TQRect cellsRect(0, 0, numCols() * cellSize(), numRows() * cellSize());
const TQRect paintCellsRect = cellsRect.intersect(e->rect());
if(!paintCellsRect.isEmpty())
{
//TQTime time;
//time.start();
TQRgb *imageBuffer = new TQRgb[paintCellsRect.width() * paintCellsRect.height()];
const int cellsize = cellSize();
const int firstCellPixelsRemaining = cellsize - paintCellsRect.left() % cellsize;
if(transparencyDisplayType() == TRD_SOLIDCOLOR)
{
const TQRgb backgroundColor = transparencySolidColor().rgb();
const int backgroundRed = transparencySolidColor().red();
const int backgroundGreen = transparencySolidColor().green();
const int backgroundBlue = transparencySolidColor().blue();
const int firstCellX = paintCellsRect.left() / cellsize;
for(int y = paintCellsRect.top(); y <= paintCellsRect.bottom(); y++)
{
TQRgb *dest = imageBuffer + (y - paintCellsRect.top()) * paintCellsRect.width();
if(y % cellsize == 0 || dest == imageBuffer)
{
// Paint the first scanline in each block of cellSize() identical lines.
// The remaineder can just be copied from this one.
const int cellY = y / cellsize;
TQRgb *src = gridcolors.data() + cellY * numCols() + firstCellX;
TQRgb sourcePixel = *src++;
int sourceAlpha = tqAlpha(sourcePixel);
TQRgb c;
if(sourceAlpha == 255)
{
c = sourcePixel;
}
else
if(sourceAlpha == 0)
{
c = backgroundColor;
}
else
{
const int sourceRed = tqRed(sourcePixel);
const int sourceGreen = tqGreen(sourcePixel);
const int sourceBlue = tqBlue(sourcePixel);
int r = (sourceAlpha * (sourceRed - backgroundRed)) + 0x80;
r = backgroundRed + ((r + (r >> 8)) >> 8);
int g = (sourceAlpha * (sourceGreen - backgroundGreen)) + 0x80;
g = backgroundGreen + ((g + (g >> 8)) >> 8);
int b = (sourceAlpha * (sourceBlue - backgroundBlue)) + 0x80;
b = backgroundBlue + ((b + (b >> 8)) >> 8);
c = tqRgb(r, g, b);
}
int cellPixelsRemaining = firstCellPixelsRemaining;
for(int x = paintCellsRect.left(); x <= paintCellsRect.right(); x++)
{
if(cellPixelsRemaining == 0)
{
cellPixelsRemaining = cellsize;
// Fetch the next source pixel
sourcePixel = *src++;
sourceAlpha = tqAlpha(sourcePixel);
if(sourceAlpha == 255)
{
c = sourcePixel;
}
else
if(sourceAlpha == 0)
{
c = backgroundColor;
}
else
{
const int sourceRed = tqRed(sourcePixel);
const int sourceGreen = tqGreen(sourcePixel);
const int sourceBlue = tqBlue(sourcePixel);
//int r = backgroundRed + (sourceAlpha * (sourceRed - backgroundRed)) / 255;
//int g = backgroundGreen + (sourceAlpha * (sourceGreen - backgroundGreen)) / 255;
//int b = backgroundBlue + (sourceAlpha * (sourceBlue - backgroundBlue)) / 255;
int r = (sourceAlpha * (sourceRed - backgroundRed)) + 0x80;
r = backgroundRed + ((r + (r >> 8)) >> 8);
int g = (sourceAlpha * (sourceGreen - backgroundGreen)) + 0x80;
g = backgroundGreen + ((g + (g >> 8)) >> 8);
int b = (sourceAlpha * (sourceBlue - backgroundBlue)) + 0x80;
b = backgroundBlue + ((b + (b >> 8)) >> 8);
c = tqRgb(r, g, b);
}
}
cellPixelsRemaining--;
*dest++ = c;
}
}
else
{
// Copy the scanline above.
memcpy(dest, dest - paintCellsRect.width(), paintCellsRect.width() * sizeof(TQRgb));
}
}
}
else
{
int squareSize;
const int fixedPointMultiplier = 4;
if(checkerboardSize() == CHK_SMALL)
{
squareSize = (cellSize() * fixedPointMultiplier) / 4;
}
else
if(checkerboardSize() == CHK_MEDIUM)
{
squareSize = (cellSize() * fixedPointMultiplier) / 2;
}
else
{
squareSize = (2 * cellSize() * fixedPointMultiplier) / 2;
}
TQRgb *color1ScanLine = new TQRgb[paintCellsRect.width()];
TQRgb *color2ScanLine = new TQRgb[paintCellsRect.width()];
TQRgb *color1Buffer = color1ScanLine;
TQRgb *color2Buffer = color2ScanLine;
for(int x = paintCellsRect.left(); x <= paintCellsRect.right(); x++)
{
if((((x * fixedPointMultiplier) / squareSize) & 1) == 0)
{
*color1Buffer++ = checkerboardColor1().rgb();
*color2Buffer++ = checkerboardColor2().rgb();
}
else
{
*color1Buffer++ = checkerboardColor2().rgb();
*color2Buffer++ = checkerboardColor1().rgb();
}
}
const int firstCellX = paintCellsRect.left() / cellsize;
const int firstCellPixelsRemaining = cellsize - paintCellsRect.left() % cellsize;
int lastCellY = -1;
int lastLineFirstSquareColour = 0;
for(int y = paintCellsRect.top(); y <= paintCellsRect.bottom(); y++)
{
TQRgb *dest = imageBuffer + (y - paintCellsRect.top()) * paintCellsRect.width();
const int cellY = y / cellsize;
int firstSquareColour;
const TQRgb *checkerboardSrc;
if((((y * fixedPointMultiplier) / squareSize) & 1) == 0)
{
firstSquareColour = 1;
checkerboardSrc = color1ScanLine;
}
else
{
firstSquareColour = 2;
checkerboardSrc = color2ScanLine;
}
if(cellY == lastCellY && firstSquareColour == lastLineFirstSquareColour)
{
// Copy the scanline above.
memcpy(dest, dest - paintCellsRect.width(), paintCellsRect.width() * sizeof(TQRgb));
}
else
{
TQRgb *src = gridcolors.data() + cellY * numCols() + firstCellX;
TQRgb sourcePixel = *src++;
int sourceRed = tqRed(sourcePixel);
int sourceGreen = tqGreen(sourcePixel);
int sourceBlue = tqBlue(sourcePixel);
int sourceAlpha = tqAlpha(sourcePixel);
int cellPixelsRemaining = firstCellPixelsRemaining;
for(int x = paintCellsRect.left(); x <= paintCellsRect.right(); x++)
{
if(cellPixelsRemaining == 0)
{
cellPixelsRemaining = cellsize;
// Fetch the next source pixel
sourcePixel = *src++;
sourceRed = tqRed(sourcePixel);
sourceGreen = tqGreen(sourcePixel);
sourceBlue = tqBlue(sourcePixel);
sourceAlpha = tqAlpha(sourcePixel);
}
cellPixelsRemaining--;
TQRgb c;
if(sourceAlpha == 255)
{
c = sourcePixel;
}
else
if(sourceAlpha == 0)
{
c = *checkerboardSrc;
}
else
{
const int backgroundColor = *checkerboardSrc;
const int backgroundRed = tqRed(backgroundColor);
const int backgroundGreen = tqGreen(backgroundColor);
const int backgroundBlue = tqBlue(backgroundColor);
//int r = backgroundRed + (sourceAlpha * (sourceRed - backgroundRed)) / 255;
//int g = backgroundGreen + (sourceAlpha * (sourceGreen - backgroundGreen)) / 255;
//int b = backgroundBlue + (sourceAlpha * (sourceBlue - backgroundBlue)) / 255;
int r = (sourceAlpha * (sourceRed - backgroundRed)) + 0x80;
r = backgroundRed + ((r + (r >> 8)) >> 8);
int g = (sourceAlpha * (sourceGreen - backgroundGreen)) + 0x80;
g = backgroundGreen + ((g + (g >> 8)) >> 8);
int b = (sourceAlpha * (sourceBlue - backgroundBlue)) + 0x80;
b = backgroundBlue + ((b + (b >> 8)) >> 8);
c = tqRgb(r, g, b);
}
*dest++ = c;
checkerboardSrc++;
}
}
lastCellY = cellY;
lastLineFirstSquareColour = firstSquareColour;
}
delete [] color1ScanLine;
delete [] color2ScanLine;
}
TQImage image((uchar *)(imageBuffer), paintCellsRect.width(), paintCellsRect.height(), 32, 0, 0,
#if X_BYTE_ORDER == X_LITTLE_ENDIAN
TQImage::LittleEndian);
#else
TQImage::BigEndian);
#endif
Q_ASSERT(!image.isNull());
TQPixmap _pixmap;
_pixmap.convertFromImage(image);
TQPainter p;
p.begin(&_pixmap);
paintForeground(&p, e);
p.end();
bitBlt(this, paintCellsRect.left(), paintCellsRect.top(), &_pixmap);
//kdDebug(4640) << "Image render elapsed: " << time.elapsed() << endl;
delete [] imageBuffer;
}
}
void TDEIconEditGrid::paintForeground(TQPainter* p, TQPaintEvent* e)
{
TQWMatrix matrix;
matrix.translate(-e->rect().x(), -e->rect().y());
p->setWorldMatrix( matrix );
TQRect cellsRect(0, 0, numCols() * cellSize(), numRows() * cellSize());
TQRect paintCellsRect = cellsRect.intersect(e->rect());
if(!paintCellsRect.isEmpty())
{
int firstColumn = paintCellsRect.left() / cellSize();
int lastColumn = paintCellsRect.right() / cellSize();
int firstRow = paintCellsRect.top() / cellSize();
int lastRow = paintCellsRect.bottom() / cellSize();
p->setPen(TQColor(0, 0, 0));
p->setBrush(TQColor(0, 0, 0));
for(int column = firstColumn; column <= lastColumn; column++)
{
for(int row = firstRow; row <= lastRow; row++)
{
int x = column * cellSize();
int y = row * cellSize();
if((ispasting || isselecting) && isMarked(column, row))
{
p->drawWinFocusRect(x + 1, y + 1, cellSize() - 2, cellSize() - 2);
}
else
{
switch( tool )
{
case FilledRect:
case Rect:
case Ellipse:
case Circle:
case FilledEllipse:
case FilledCircle:
case Line:
if(btndown && isMarked(column, row))
{
if(cellSize() > 1)
{
p->drawWinFocusRect( x + 1, y + 1, cellSize() - 2, cellSize() - 2);
}
else
{
p->drawPoint(x, y);
}
}
break;
default:
break;
}
}
}
}
}
if(hasGrid()&& !(cellSize()==1))
{
p->setPen(TQColor(0, 0, 0));
int x = e->rect().x() - ((e->rect().x() % cellSize()) + cellSize());
if(x < 0) x = 0;
int y = e->rect().y() - ((e->rect().y() % cellSize()) + cellSize());
if(y < 0) y = 0;
int cx = e->rect().right() + cellSize();
int cy = e->rect().bottom() + cellSize();
// draw grid lines
for(int i = x; i < cx; i += cellSize())
p->drawLine(i, y, i, cy);
for(int i = y; i < cy; i += cellSize())
p->drawLine(x, i, cx, i);
}
}
void TDEIconEditGrid::mousePressEvent( TQMouseEvent *e )
{
if(!e || (e->button() != Qt::LeftButton))
return;
int row = findRow( e->pos().y() );
int col = findCol( e->pos().x() );
//int cell = row * numCols() + col;
if(!img->valid(col, row))
return;
btndown = true;
start.setX(col);
start.setY(row);
if(ispasting)
{
ispasting = false;
editPaste(true);
}
if(isselecting)
{
TQPointArray a(pntarray.copy());
pntarray.resize(0);
drawPointArray(a, Mark);
emit selecteddata(false);
}
switch( tool )
{
case SelectRect:
case SelectCircle:
isselecting = true;
break;
default:
break;
}
}
void TDEIconEditGrid::mouseMoveEvent( TQMouseEvent *e )
{
if(!e) return;
int row = findRow( e->pos().y() );
int col = findCol( e->pos().x() );
int cell = row * numCols() + col;
if(img->valid(col, row))
{
//kdDebug(4640) << col << " X " << row << endl;
emit poschanged(col, row);
// for the rulers
emit xposchanged((col*scaling())+scaling()/2);
emit yposchanged((row*scaling())+scaling()/2);
}
TQPoint tmpp(col, row);
if(tmpp == end) return;
// need to use intersection of rectangles to allow pasting
// only that part of clip image which intersects -jwc-
if(ispasting && !btndown && img->valid(col, row))
{
if( (col + cbsize.width()) > (numCols()-1) )
insrect.setX(numCols()-insrect.width());
else
insrect.setX(col);
if( (row + cbsize.height()) > (numRows()-1) )
insrect.setY(numRows()-insrect.height());
else
insrect.setY(row);
insrect.setSize(cbsize);
start = insrect.topLeft();
end = insrect.bottomRight();
drawRect(false);
return;
}
if(!img->valid(col, row) || !btndown)
return;
end.setX(col);
end.setY(row);
if(isselecting)
{
if(tool == SelectRect)
drawRect(false);
else
drawEllipse(false);
return;
}
bool erase=false;
switch( tool )
{
case Eraser:
erase=true;
case Freehand:
{
if( !m_command )
m_command = new KMacroCommand( i18n("Free Hand") );
if(erase)
setColor( cell, TRANSPARENT );
else
setColor( cell, currentcolor );
if ( selected != cell )
{
setModified( true );
int prevSel = selected;
selected = cell;
TQRect area = TQRect( col*cellsize,row*cellsize, cellsize, cellsize ).unite(
TQRect ( (prevSel%numCols())*cellsize,(prevSel/numCols())*cellsize, cellsize, cellsize ) );
m_command->addCommand( new RepaintCommand( area, this ) );
DrawCommand* dc = new DrawCommand( col, row, colorAt(cell), img, this );
RepaintCommand* rp = new RepaintCommand( area, this );
dc->execute();
rp->execute();
m_command->addCommand( dc );
m_command->addCommand( rp );
}
break;
}
case Find:
{
iconcolors.closestMatch(colorAt(cell));
if ( selected != cell )
{
int prevSel = selected;
selected = cell;
update((prevSel%numCols())*cellsize,(prevSel/numCols())*cellsize, cellsize, cellsize);
update(col*cellsize,row*cellsize, cellsize, cellsize);
emit colorSelected(colorAt(selected));
}
break;
}
case Ellipse:
case Circle:
case FilledEllipse:
case FilledCircle:
{
drawEllipse(false);
break;
}
case FilledRect:
case Rect:
{
drawRect(false);
break;
}
case Line:
{
drawLine(false, false);
break;
}
case Spray:
{
drawSpray(TQPoint(col, row));
setModified(true);
break;
}
default:
break;
}
p = *img;
emit changed(TQPixmap(p));
}
void TDEIconEditGrid::mouseReleaseEvent( TQMouseEvent *e )
{
if(!e || (e->button() != Qt::LeftButton))
return;
int row = findRow( e->pos().y() );
int col = findCol( e->pos().x() );
btndown = false;
end.setX(col);
end.setY(row);
int cell = row * numCols() + col;
bool erase=false;
switch( tool )
{
case Eraser:
erase=true;
//currentcolor = TRANSPARENT;
case Freehand:
{
if(!img->valid(col, row))
return;
if(erase)
setColor( cell, TRANSPARENT );
else
setColor( cell, currentcolor );
//if ( selected != cell )
//{
setModified( true );
int prevSel = selected;
selected = cell;
update((prevSel%numCols())*cellsize,(prevSel/numCols())*cellsize, cellsize, cellsize);
update(col*cellsize,row*cellsize, cellsize, cellsize);
//updateCell( prevSel/numCols(), prevSel%numCols(), FALSE );
//updateCell( row, col, FALSE );
*((uint*)img->scanLine(row) + col) = colorAt(cell);
p = *img;
//}
if( m_command ) {
history->addCommand( m_command, false );
m_command = 0;
}
break;
}
case Ellipse:
case Circle:
case FilledEllipse:
case FilledCircle:
{
drawEllipse(true);
break;
}
case FilledRect:
case Rect:
{
drawRect(true);
break;
}
case Line:
{
drawLine(true, false);
break;
}
case Spray:
{
drawSpray(TQPoint(col, row));
break;
}
case FloodFill:
{
TQApplication::setOverrideCursor(waitCursor);
drawFlood(col, row, colorAt(cell));
TQApplication::restoreOverrideCursor();
updateColors();
emit needPainting();
p = *img;
break;
}
case Find:
{
currentcolor = colorAt(cell);
if ( selected != cell )
{
int prevSel = selected;
selected = cell;
update((prevSel%numCols())*cellsize,(prevSel/numCols())*cellsize, cellsize, cellsize);
update(col*cellsize,row*cellsize, cellsize, cellsize);
emit colorSelected(currentcolor);
//updateCell( prevSel/numCols(), prevSel%numCols(), FALSE );
//updateCell( row, col, FALSE );
}
break;
}
default:
break;
}
emit changed(TQPixmap(p));
//emit colorschanged(numColors(), data());
}
//void TDEIconEditGrid::setColorSelection( const TQColor &color )
void TDEIconEditGrid::setColorSelection( uint c )
{
currentcolor = c;
emit colorSelected(currentcolor);
}
void TDEIconEditGrid::loadBlank( int w, int h )
{
img->create(w, h, 32);
img->setAlphaBuffer(true);
clearImage(img);
setNumRows(h);
setNumCols(w);
fill(TRANSPARENT);
emit sizechanged(numCols(), numRows());
emit colorschanged(numColors(), data());
history->clear();
}
void TDEIconEditGrid::load( TQImage *image)
{
kdDebug(4640) << "TDEIconEditGrid::load" << endl;
setUpdatesEnabled(false);
if(image == 0L)
{
TQString msg = i18n("There was an error loading a blank image.\n");
KMessageBox::error(this, msg);
return;
}
*img = image->convertDepth(32);
img->setAlphaBuffer(true);
setNumRows(img->height());
setNumCols(img->width());
for(int y = 0; y < numRows(); y++)
{
uint *l = (uint*)img->scanLine(y);
for(int x = 0; x < numCols(); x++, l++)
{
setColor((y*numCols())+x, *l, false);
}
//kdDebug(4640) << "Row: " << y << endl;
kapp->processEvents(200);
}
updateColors();
emit sizechanged(numCols(), numRows());
emit colorschanged(numColors(), data());
emit changed(pixmap());
setUpdatesEnabled(true);
emit needPainting();
//repaint(viewRect(), false);
history->clear();
}
const TQPixmap &TDEIconEditGrid::pixmap()
{
if(!img->isNull())
p = *img;
//p.convertFromImage(*img, 0);
return(p);
}
void TDEIconEditGrid::getImage(TQImage *image)
{
kdDebug(4640) << "TDEIconEditGrid::getImage" << endl;
*image = *img;
}
bool TDEIconEditGrid::zoomTo(int scale)
{
TQApplication::setOverrideCursor(waitCursor);
setUpdatesEnabled(false);
setCellSize( scale );
setUpdatesEnabled(true);
emit needPainting();
TQApplication::restoreOverrideCursor();
emit scalingchanged(cellSize());
if(scale == 1)
return false;
return true;
}
bool TDEIconEditGrid::zoom(Direction d)
{
int f = (d == DirIn) ? (cellSize()+1) : (cellSize()-1);
TQApplication::setOverrideCursor(waitCursor);
setUpdatesEnabled(false);
setCellSize( f );
setUpdatesEnabled(true);
//emit needPainting();
TQApplication::restoreOverrideCursor();
emit scalingchanged(cellSize());
if(d == DirOut && cellSize() <= 1)
return false;
return true;
}
void TDEIconEditGrid::checkClipboard()
{
bool ok = false;
TQImage tmp = clipboardImage(ok);
if(ok)
emit clipboarddata(true);
else
{
emit clipboarddata(false);
}
}
TQImage TDEIconEditGrid::clipboardImage(bool &ok)
{
//###### Remove me later.
//Workaround TQt bug -- check whether format provided first.
//Code below is from TQDragObject, to match the mimetype list....
TQStrList fileFormats = TQImageIO::inputFormats();
fileFormats.first();
bool oneIsSupported = false;
while ( fileFormats.current() )
{
TQCString format = fileFormats.current();
TQCString type = "image/" + format.lower();
if (kapp->clipboard()->data()->provides(type ) )
{
oneIsSupported = true;
}
fileFormats.next();
}
if (!oneIsSupported)
{
ok = false;
return TQImage();
}
TQImage image = kapp->clipboard()->image();
ok = !image.isNull();
if ( ok )
{
image = image.convertDepth(32);
image.setAlphaBuffer(true);
}
return image;
}
void TDEIconEditGrid::editSelectAll()
{
start.setX(0);
start.setY(0);
end.setX(numCols()-1);
end.setY(numRows()-1);
isselecting = true;
drawRect(false);
emit newmessage(i18n("All selected"));
}
void TDEIconEditGrid::editClear()
{
clearImage(img);
fill(TRANSPARENT);
update();
setModified(true);
p = *img;
emit changed(p);
emit newmessage(i18n("Cleared"));
}
TQImage TDEIconEditGrid::getSelection(bool cut)
{
const TQRect rect = pntarray.boundingRect();
int nx = 0, ny = 0, nw = 0, nh = 0;
rect.rect(&nx, &ny, &nw, &nh);
TQImage tmp(nw, nh, 32);
tmp.setAlphaBuffer(true);
clearImage(&tmp);
int s = pntarray.size();
for(int i = 0; i < s; i++)
{
int x = pntarray[i].x();
int y = pntarray[i].y();
if(img->valid(x, y) && rect.contains(TQPoint(x, y)))
{
*((uint*)tmp.scanLine(y-ny) + (x-nx)) = *((uint*)img->scanLine(y) + x);
if(cut)
{
*((uint*)img->scanLine(y) + x) = TRANSPARENT;
setColor( (y*numCols()) + x, TRANSPARENT, false );
}
}
}
TQPointArray a(pntarray.copy());
pntarray.resize(0);
drawPointArray(a, Mark);
emit selecteddata(false);
if(cut)
{
updateColors();
update(rect.x()*cellSize(), rect.y()*cellSize(),
rect.width()*cellSize(), rect.height()*cellSize());
p = *img;
emit changed(p);
emit colorschanged(numColors(), data());
emit newmessage(i18n("Selected area cut"));
setModified(true);
}
else
emit newmessage(i18n("Selected area copied"));
return tmp;
}
void TDEIconEditGrid::editCopy(bool cut)
{
kapp->clipboard()->setImage(getSelection(cut));
isselecting = false;
}
void TDEIconEditGrid::editPaste(bool paste)
{
bool ok = false;
TQImage tmp = clipboardImage(ok);
TDEIconEditProperties *props = TDEIconEditProperties::self();
if(ok)
{
if( (tmp.size().width() > img->size().width())
|| (tmp.size().height() > img->size().height()) )
{
if(KMessageBox::warningYesNo(this,
i18n("The clipboard image is larger than the current"
" image!\nPaste as new image?"),TQString(),i18n("Paste"), i18n("Do Not Paste")) == 0)
{
editPasteAsNew();
}
return;
}
else if(!paste)
{
ispasting = true;
cbsize = tmp.size();
return;
// emit newmessage(i18n("Pasting"));
}
else
{
//kdDebug(4640) << "TDEIconEditGrid: Pasting at: " << insrect.x() << " x " << insrect.y() << endl;
TQApplication::setOverrideCursor(waitCursor);
for(int y = insrect.y(), ny = 0; y < numRows() && ny < insrect.height(); y++, ny++)
{
uint *l = ((uint*)img->scanLine(y)+insrect.x());
uint *cl = (uint*)tmp.scanLine(ny);
for(int x = insrect.x(), nx = 0; x < numCols() && nx < insrect.width(); x++, nx++, l++, cl++)
{
if(props->pasteTransparent())
{
*l = *cl;
}
else
{
// Porter-Duff Over composition
double alphaS = tqAlpha(*cl) / 255.0;
double alphaD = tqAlpha(*l) / 255.0;
double r = tqRed(*cl) * alphaS + (1 - alphaS) * tqRed(*l) * alphaD;
double g = tqGreen(*cl) * alphaS + (1 - alphaS) * tqGreen(*l) * alphaD;
double b = tqBlue(*cl) * alphaS + (1 - alphaS) * tqBlue(*l) * alphaD;
double a = alphaS + (1 - alphaS) * alphaD;
// Remove multiplication by alpha
if(a > 0)
{
r /= a;
g /= a;
b /= a;
}
else
{
r = 0;
g = 0;
b = 0;
}
int ir = (int)(r + 0.5);
if(ir < 0)
{
ir = 0;
}
else
if(ir > 255)
{
ir = 255;
}
int ig = (int)(g + 0.5);
if(ig < 0)
{
ig = 0;
}
else
if(ig > 255)
{
ig = 255;
}
int ib = (int)(b + 0.5);
if(ib < 0)
{
ib = 0;
}
else
if(ib > 255)
{
ib = 255;
}
int ia = (int)((a * 255) + 0.5);
if(ia < 0)
{
ia = 0;
}
else
if(ia > 255)
{
ia = 255;
}
*l = tqRgba(ir, ig, ib, ia);
}
setColor((y*numCols())+x, (uint)*l, false);
}
}
updateColors();
update(insrect.x()*cellSize(), insrect.y()*cellSize(),
insrect.width()*cellSize(), insrect.height()*cellSize());
TQApplication::restoreOverrideCursor();
setModified(true);
p = *img;
emit changed(TQPixmap(p));
emit sizechanged(numCols(), numRows());
emit colorschanged(numColors(), data());
emit newmessage(i18n("Done pasting"));
}
}
else
{
TQString msg = i18n("Invalid pixmap data in clipboard!\n");
KMessageBox::sorry(this, msg);
}
}
void TDEIconEditGrid::editPasteAsNew()
{
bool ok = false;
TQImage tmp = clipboardImage(ok);
if(ok)
{
if(isModified())
{
TDEIconEdit *w = new TDEIconEdit(tmp);
13 years ago
TQ_CHECK_PTR(w);
}
else
{
*img = tmp;
load(img);
setModified(true);
//repaint(viewRect(), false);
p = *img;
emit changed(TQPixmap(p));
emit sizechanged(numCols(), numRows());
emit colorschanged(numColors(), data());
emit newmessage(i18n("Done pasting"));
history->clear();
}
}
else
{
TQString msg = i18n("Invalid pixmap data in clipboard!\n");
KMessageBox::error(this, msg);
}
}
void TDEIconEditGrid::editResize()
{
kdDebug(4640) << "TDEIconGrid::editResize" << endl;
KResizeDialog *rs = new KResizeDialog(this, 0, TQSize(numCols(), numRows()));
if(rs->exec())
{
const TQSize s = rs->getSize();
*img = img->smoothScale(s.width(), s.height());
load(img);
setModified(true);
}
delete rs;
}
void TDEIconEditGrid::setSize(const TQSize s)
{
kdDebug(4640) << "::setSize: " << s.width() << " x " << s.height() << endl;
img->create(s.width(), s.height(), 32);
img->setAlphaBuffer(true);
clearImage(img);
load(img);
}
void TDEIconEditGrid::createCursors()
{
TQBitmap mask(22, 22);
TQPixmap pix;
cursor_normal = TQCursor(arrowCursor);
pix = BarIcon("colorpicker-cursor");
if(pix.isNull())
{
cursor_colorpicker = cursor_normal;
kdDebug(4640) << "TDEIconEditGrid: Error loading colorpicker-cursor.xpm" << endl;
}
else
{
mask = TQPixmap(pix.createHeuristicMask());
pix.setMask(mask);
cursor_colorpicker = TQCursor(pix, 1, 21);
}
pix = BarIcon("paintbrush-cursor");
if(pix.isNull())
{
cursor_paint = cursor_normal;
kdDebug(4640) << "TDEIconEditGrid: Error loading paintbrush.xpm" << endl;
}
else
{
mask = TQPixmap(pix.createHeuristicMask());
pix.setMask(mask);
cursor_paint = TQCursor(pix, 0, 19);
}
pix = BarIcon("fill-cursor");
if(pix.isNull())
{
cursor_flood = cursor_normal;
kdDebug(4640) << "TDEIconEditGrid: Error loading fill-cursor.xpm" << endl;
}
else
{
mask = TQPixmap(pix.createHeuristicMask());
pix.setMask(mask);
cursor_flood = TQCursor(pix, 3, 20);
}
pix = BarIcon("aim-cursor");
if(pix.isNull())
{
cursor_aim = cursor_normal;
kdDebug(4640) << "TDEIconEditGrid: Error loading aim-cursor.xpm" << endl;
}
else
{
mask = TQPixmap(pix.createHeuristicMask());
pix.setMask(mask);
cursor_aim = TQCursor(pix, 10, 10);
}
pix = BarIcon("airbrush-cursor");
if(pix.isNull())
{
cursor_spray = cursor_normal;
kdDebug(4640) << "TDEIconEditGrid: Error loading airbrush-cursor.xpm" << endl;
}
else
{
mask = TQPixmap(pix.createHeuristicMask(true));
pix.setMask(mask);
cursor_spray = TQCursor(pix, 0, 20);
}
pix = BarIcon("eraser-cursor");
if(pix.isNull())
{
cursor_erase = cursor_normal;
kdDebug(4640) << "TDEIconEditGrid: Error loading eraser-cursor.xpm" << endl;
}
else
{
mask = TQPixmap(pix.createHeuristicMask(true));
pix.setMask(mask);
cursor_erase = TQCursor(pix, 1, 16);
}
}
void TDEIconEditGrid::setTool(DrawTool t)
{
btndown = false;
tool = t;
if(tool != SelectRect && tool != SelectCircle)
isselecting = false;
switch( tool )
{
case SelectRect:
isselecting = true;
setCursor(cursor_aim);
break;
case SelectCircle:
isselecting = true;
setCursor(cursor_aim);
break;
case Line:
case Ellipse:
case Circle:
case FilledEllipse:
case FilledCircle:
case FilledRect:
case Rect:
setCursor(cursor_aim);
break;
case Freehand:
setCursor(cursor_paint);
break;
case Spray:
setCursor(cursor_spray);
break;
case Eraser:
setCursor(cursor_erase);
break;
case FloodFill:
setCursor(cursor_flood);
break;
case Find:
setCursor(cursor_colorpicker);
break;
default:
break;
}
}
void TDEIconEditGrid::drawFlood(int x, int y, uint oldcolor)
{
if((!img->valid(x, y))
|| (colorAt((y * numCols())+x) != oldcolor)
|| (colorAt((y * numCols())+x) == currentcolor))
return;
*((uint*)img->scanLine(y) + x) = currentcolor;
setColor((y*numCols())+x, currentcolor, false);
setModified(true);
drawFlood(x, y-1, oldcolor);
drawFlood(x, y+1, oldcolor);
drawFlood(x-1, y, oldcolor);
drawFlood(x+1, y, oldcolor);
//TODO: add undo
}
void TDEIconEditGrid::drawSpray(TQPoint point)
{
int x = (point.x()-5);
int y = (point.y()-5);
//kdDebug(4640) << "drawSpray() - " << x << " X " << y << endl;
pntarray.resize(0);
int points = 0;
for(int i = 1; i < 4; i++, points++)
{
int dx = (rand() % 10);
int dy = (rand() % 10);
pntarray.putPoints(points, 1, x+dx, y+dy);
}
drawPointArray(pntarray, Draw);
}
//This routine is from TQt sources -- it's the branch of TQPointArray::makeEllipse( int x, int y, int w, int h ) that's not normally compiled
//It seems like TDEIconEdit relied on the TQt1 semantics for makeEllipse, which broke
//the tool with reasonably recent TQt versions.
//Thankfully, TQt includes the old code #ifdef'd, which is hence included here
static void TQPA_makeEllipse(TQPointArray& ar, int x, int y, int w, int h )
{ // midpoint, 1/4 ellipse
if ( w <= 0 || h <= 0 ) {
if ( w == 0 || h == 0 ) {
ar.resize( 0 );
return;
}
if ( w < 0 ) { // negative width
w = -w;
x -= w;
}
if ( h < 0 ) { // negative height
h = -h;
y -= h;
}
}
int s = (w+h+2)/2; // max size of xx,yy array
int *px = new int[s]; // 1/4th of ellipse
int *py = new int[s];
int xx, yy, i=0;
double d1, d2;
double a2=(w/2)*(w/2), b2=(h/2)*(h/2);
xx = 0;
yy = int(h/2);
d1 = b2 - a2*(h/2) + 0.25*a2;
px[i] = xx;
py[i] = yy;
i++;
while ( a2*(yy-0.5) > b2*(xx+0.5) ) { // region 1
if ( d1 < 0 ) {
d1 = d1 + b2*(3.0+2*xx);
xx++;
} else {
d1 = d1 + b2*(3.0+2*xx) + 2.0*a2*(1-yy);
xx++;
yy--;
}
px[i] = xx;
py[i] = yy;
i++;
}
d2 = b2*(xx+0.5)*(xx+0.5) + a2*(yy-1)*(yy-1) - a2*b2;
while ( yy > 0 ) { // region 2
if ( d2 < 0 ) {
d2 = d2 + 2.0*b2*(xx+1) + a2*(3-2*yy);
xx++;
yy--;
} else {
d2 = d2 + a2*(3-2*yy);
yy--;
}
px[i] = xx;
py[i] = yy;
i++;
}
s = i;
ar.resize( 4*s ); // make full point array
x += w/2;
y += h/2;
for ( i=0; i<s; i++ ) { // mirror
xx = px[i];
yy = py[i];
ar.setPoint( s-i-1, x+xx, y-yy );
ar.setPoint( s+i, x-xx, y-yy );
ar.setPoint( 3*s-i-1, x-xx, y+yy );
ar.setPoint( 3*s+i, x+xx, y+yy );
}
delete[] px;
delete[] py;
}
void TDEIconEditGrid::drawEllipse(bool drawit)
{
if(drawit)
{
drawPointArray(pntarray, Draw);
p = *img;
emit changed(p);
return;
}
TQPointArray a(pntarray.copy());
int x = start.x(), y = start.y(), cx, cy;
if(x > end.x())
{
cx = x - end.x();
x = x - cx;
}
else
cx = end.x() - x;
if(y > end.y())
{
cy = y - end.y();
y = y - cy;
}
else
cy = end.y() - y;
int d = (cx > cy) ? cx : cy;
//kdDebug(4640) << x << ", " << y << " - " << d << " " << d << endl;
pntarray.resize(0);
drawPointArray(a, Mark);
if(tool == Circle || tool == FilledCircle || tool == SelectCircle)
TQPA_makeEllipse(pntarray, x, y, d, d);
else if(tool == Ellipse || tool == FilledEllipse)
TQPA_makeEllipse(pntarray, x, y, cx, cy);
if((tool == FilledEllipse) || (tool == FilledCircle)
|| (tool == SelectCircle))
{
int s = pntarray.size();
int points = s;
for(int i = 0; i < s; i++)
{
int x = pntarray[i].x();
int y = pntarray[i].y();
for(int j = 0; j < s; j++)
{
if((pntarray[j].y() == y) && (pntarray[j].x() > x))
{
for(int k = x; k < pntarray[j].x(); k++, points++)
pntarray.putPoints(points, 1, k, y);
break;
}
}
}
}
drawPointArray(pntarray, Mark);
if(tool == SelectCircle && pntarray.size() > 0 && !ispasting)
emit selecteddata(true);
}
void TDEIconEditGrid::drawRect(bool drawit)
{
if(drawit)
{
drawPointArray(pntarray, Draw);
p = *img;
emit changed(p);
return;
}
TQPointArray a(pntarray.copy());
int x = start.x(), y = start.y(), cx, cy;
if(x > end.x())
{
cx = x - end.x();
x = x - cx;
}
else
cx = end.x() - x;
if(y > end.y())
{
cy = y - end.y();
y = y - cy;
}
else
cy = end.y() - y;
//kdDebug(4640) << x << ", " << y << " - " << cx << " " << cy << endl;
pntarray.resize(0);
drawPointArray(a, Mark); // remove previous marking
int points = 0;
bool pasting = ispasting;
if(tool == FilledRect || (tool == SelectRect))
{
for(int i = x; i <= x + (pasting ? cx + 1 : cx); i++)
{
for(int j = y; j <= y+cy; j++, points++)
pntarray.putPoints(points, 1, i, j);
}
}
else
{
for(int i = x; i <= x+cx; i++, points++)
pntarray.putPoints(points, 1, i, y);
for(int i = y; i <= y+cy; i++, points++)
pntarray.putPoints(points, 1, x, i);
for(int i = x; i <= x+cx; i++, points++)
pntarray.putPoints(points, 1, i, y+cy);
for(int i = y; i <= y+cy; i++, points++)
pntarray.putPoints(points, 1, x+cx, i);
}
drawPointArray(pntarray, Mark);
if(tool == SelectRect && pntarray.size() > 0 && !ispasting)
emit selecteddata(true);
}
void TDEIconEditGrid::drawLine(bool drawit, bool drawStraight)
{
if(drawit)
{
drawPointArray(pntarray, Draw);
p = *img;
emit changed(p);
return;
}
TQPointArray a(pntarray.copy());
pntarray.resize(0);
// remove previous marking
drawPointArray(a, Mark);
int x, y, dx, dy, delta;
dx = end.x() - start.x();
dy = end.y() - start.y();
x = start.x();
y = start.y();
delta = TQMAX(abs(dx), abs(dy));
int deltaX = abs(dx);
int deltaY = abs(dy);
if ((drawStraight) && (delta > 0))
{
dx /= delta;
dy /= delta;
for(int i = 0; i <= delta; i++)
{
pntarray.putPoints(i, 1, x, y);
x += dx;
y += dy;
}
}
else if ((delta > 0) && (deltaX >= deltaY))
{
for(int i = 0; i <= deltaX; i++)
{
pntarray.putPoints(i, 1, x, y);
if(dx > 0)
x++;
else
x--;
if(dy >= 0)
y = start.y() + (abs(start.x() - x) * deltaY) / deltaX;
else
y = start.y() - (abs(start.x() - x) * deltaY) / deltaX;
}
}
else if ((delta > 0) && (deltaY > deltaX))
{
for(int i = 0; i <= deltaY; i++)
{
pntarray.putPoints(i, 1, x, y);
if(dy > 0)
y++;
else
y--;
if(dx >= 0)
x = start.x() + (abs(start.y() - y) * deltaX) / deltaY;
else
x = start.x() - (abs(start.y() - y) * deltaX) / deltaY;
}
}
drawPointArray(pntarray, Mark);
}
void TDEIconEditGrid::drawPointArray(TQPointArray a, DrawAction action)
{
TQRect area( a.boundingRect().x()*cellSize()-1, a.boundingRect().y()*cellSize()-1,
a.boundingRect().width()*cellSize()+1, a.boundingRect().height()*cellSize()+1 );
KMacroCommand* macro = 0;
bool doupdate = false;
if( a.size() > 0 && action == Draw ) {
// might cause a memmory leak, if
// macro is never used and never
// added to the history! TODO: Fix this
macro = new KMacroCommand( i18n("Drawn Array") );
RepaintCommand* rc = new RepaintCommand( area, this );
macro->addCommand( rc );
}
int s = a.size(); //((rect.size().width()) * (rect.size().height()));
for(int i = 0; i < s; i++)
{
int x = a[i].x();
int y = a[i].y();
if(img->valid(x, y) && TQT_TQRECT_OBJECT(a.boundingRect()).contains(a[ i ]))
{
//kdDebug(4640) << "x: " << x << " - y: " << y << endl;
switch( action )
{
case Draw:
{
DrawCommand* dc = new DrawCommand( x, y, currentcolor, img, this );
dc->execute();
//*((uint*)img->scanLine(y) + x) = currentcolor; //colors[cell]|OPAQUE;
//int cell = y * numCols() + x;
//setColor( cell, currentcolor, false );
doupdate = true;
//updateCell( y, x, FALSE );
macro->addCommand( dc );
break;
}
case Mark:
case UnMark:
update(x*cellsize,y*cellsize, cellsize, cellsize);
//updateCell( y, x, true );
break;
default:
break;
}
}
}
if(doupdate)
{
setModified( true );
updateColors();
RepaintCommand* rc = new RepaintCommand( area, this );
rc->execute();
macro->addCommand( rc );
pntarray.resize(0);
// add to undo/redo history
history->addCommand( macro, false ); }
}
void TDEIconEditGrid::updatePreviewPixmap()
{
p = *img;
emit changed(TQPixmap(p));
}
bool TDEIconEditGrid::isMarked(TQPoint point)
{
return isMarked(point.x(), point.y());
}
bool TDEIconEditGrid::isMarked(int x, int y)
{
if(((y * numCols()) + x) == selected)
return true;
int s = pntarray.size();
for(int i = 0; i < s; i++)
{
if(y == pntarray[i].y() && x == pntarray[i].x())
return true;
}
return false;
}
// Fast diffuse dither to 3x3x3 color cube
// Based on TQt's image conversion functions
static bool kdither_32_to_8( const TQImage *src, TQImage *dst )
{
register TQRgb *p;
uchar *b;
int y;
//printf("kconvert_32_to_8\n");
if ( !dst->create(src->width(), src->height(), 8, 256) ) {
kdWarning() << "OImage: destination image not valid" << endl;
return FALSE;
}
int ncols = 256;
static uint bm[16][16];
static int init=0;
if (!init)
{
// Build a Bayer Matrix for dithering
init = 1;
int n, i, j;
bm[0][0]=0;
for (n=1; n<16; n*=2)
{
for (i=0; i<n; i++)
{
for (j=0; j<n; j++)
{
bm[i][j]*=4;
bm[i+n][j]=bm[i][j]+2;
bm[i][j+n]=bm[i][j]+3;
bm[i+n][j+n]=bm[i][j]+1;
}
}
}
for (i=0; i<16; i++)
for (j=0; j<16; j++)
bm[i][j]<<=8;
}
dst->setNumColors( ncols );
#define MAX_R 2
#define MAX_G 2
#define MAX_B 2
#define INDEXOF(r,g,b) (((r)*(MAX_G+1)+(g))*(MAX_B+1)+(b))
int rc, gc, bc;
for ( rc=0; rc<=MAX_R; rc++ ) // build 2x2x2 color cube
for ( gc=0; gc<=MAX_G; gc++ )
for ( bc=0; bc<=MAX_B; bc++ )
{
dst->setColor( INDEXOF(rc,gc,bc),
tqRgb( rc*255/MAX_R, gc*255/MAX_G, bc*255/MAX_B ) );
}
int sw = src->width();
int* line1[3];
int* line2[3];
int* pv[3];
line1[0] = new int[src->width()];
line2[0] = new int[src->width()];
line1[1] = new int[src->width()];
line2[1] = new int[src->width()];
line1[2] = new int[src->width()];
line2[2] = new int[src->width()];
pv[0] = new int[sw];
pv[1] = new int[sw];
pv[2] = new int[sw];
for ( y=0; y < src->height(); y++ )
{
p = (TQRgb *)src->scanLine(y);
b = dst->scanLine(y);
int endian = (TQImage::systemByteOrder() == TQImage::BigEndian);
int x;
uchar* q = const_cast<TQImage*>(src)->scanLine(y);
uchar* q2 = const_cast<TQImage*>(src)->scanLine(y+1 < src->height() ? y + 1 : 0);
for (int chan = 0; chan < 3; chan++)
{
b = dst->scanLine(y);
int *l1 = (y&1) ? line2[chan] : line1[chan];
int *l2 = (y&1) ? line1[chan] : line2[chan];
if ( y == 0 )
{
for (int i=0; i<sw; i++)
l1[i] = q[i*4+chan+endian];
}
if ( y+1 < src->height() )
{
for (int i=0; i<sw; i++)
l2[i] = q2[i*4+chan+endian];
}
// Bi-directional error diffusion
if ( y&1 )
{
for (x=0; x<sw; x++)
{
int pix = TQMAX(TQMIN(2, (l1[x] * 2 + 128)/ 255), 0);
int err = l1[x] - pix * 255 / 2;
pv[chan][x] = pix;
// Spread the error around...
if ( x+1<sw )
{
l1[x+1] += (err*7)>>4;
l2[x+1] += err>>4;
}
l2[x]+=(err*5)>>4;
if (x>1)
l2[x-1]+=(err*3)>>4;
}
}
else
{
for (x=sw; x-->0; )
{
int pix = TQMAX(TQMIN(2, (l1[x] * 2 + 128)/ 255), 0);
int err = l1[x] - pix * 255 / 2;
pv[chan][x] = pix;
// Spread the error around...
if ( x > 0 )
{
l1[x-1] += (err*7)>>4;
l2[x-1] += err>>4;
}
l2[x]+=(err*5)>>4;
if (x+1 < sw)
l2[x+1]+=(err*3)>>4;
}
}
}
if (endian)
{
for (x=0; x<sw; x++)
{
*b++ = INDEXOF(pv[2][x],pv[1][x],pv[0][x]);
}
}
else
{
for (x=0; x<sw; x++)
{
*b++ = INDEXOF(pv[0][x],pv[1][x],pv[2][x]);
}
}
}
delete [] line1[0];
delete [] line2[0];
delete [] line1[1];
delete [] line2[1];
delete [] line1[2];
delete [] line2[2];
delete [] pv[0];
delete [] pv[1];
delete [] pv[2];
#undef MAX_R
#undef MAX_G
#undef MAX_B
#undef INDEXOF
return TRUE;
}
// this doesn't work the way it should but the way KPixmap does.
void TDEIconEditGrid::mapToKDEPalette()
{
TQImage dest;
kdither_32_to_8(img, &dest);
*img = dest.convertDepth(32);
for(int y = 0; y < img->height(); y++)
{
uint *l = (uint*)img->scanLine(y);
for(int x = 0; x < img->width(); x++, l++)
{
if(*l < 0xff000000)
{
*l = *l | 0xff000000;
}
}
}
load(img);
return;
/*
#if [[[TQT_VERSION IS DEPRECATED]]] > 140
*img = img->convertDepthWithPalette(32, iconpalette, 42);
load(img);
return;
#endif
*/
TQApplication::setOverrideCursor(waitCursor);
for(int y = 0; y < numRows(); y++)
{
uint *l = (uint*)img->scanLine(y);
for(int x = 0; x < numCols(); x++, l++)
{
if(*l != TRANSPARENT)
{
if(!iconcolors.contains(*l))
*l = iconcolors.closestMatch(*l);
}
}
}
load(img);
setModified(true);
TQApplication::restoreOverrideCursor();
}
void TDEIconEditGrid::grayScale()
{
for(int y = 0; y < numRows(); y++)
{
uint *l = (uint*)img->scanLine(y);
for(int x = 0; x < numCols(); x++, l++)
{
if(*l != TRANSPARENT)
{
uint c = tqGray(*l);
*l = tqRgba(c, c, c, tqAlpha(*l));
}
}
}
load(img);
setModified(true);
}
void TDEIconEditGrid::clearImage(TQImage *image)
{
if(image->depth() != 32)
{
image->fill(TRANSPARENT);
}
else
{
// TQImage::fill() does not set the alpha channel so do it
// manually.
for(int y = 0; y < image->height(); y++)
{
uint *l = (uint*)image->scanLine(y);
for(int x = 0; x < image->width(); x++, l++)
{
*l = TRANSPARENT;
}
}
}
}
void TDEIconEditGrid::setModified(bool m)
{
if(m != modified)
{
modified = m;
emit modifiedchanged(m);
}
}
#include "tdeicongrid.moc"
// vim: set ts=4: