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00021 #include <qevent.h>
00022 #include <qlabel.h>
00023 #include <qlayout.h>
00024 #include <qwidget.h>
00025 #include <qrect.h>
00026
00027 #include <kdebug.h>
00028 #include <kaction.h>
00029 #include <kcommand.h>
00030 #include <klocale.h>
00031
00032 #include "kis_canvas_subject.h"
00033 #include "kis_undo_adapter.h"
00034 #include "kis_selection.h"
00035 #include "kis_painter.h"
00036 #include "kis_fill_painter.h"
00037 #include "kis_tool_freehand.h"
00038 #include "kis_cursor.h"
00039 #include "kis_button_press_event.h"
00040 #include "kis_button_release_event.h"
00041 #include "kis_move_event.h"
00042 #include "kis_layer.h"
00043 #include "kis_group_layer.h"
00044 #include "kis_paint_layer.h"
00045 #include "kis_canvas.h"
00046 #include "kis_canvas_painter.h"
00047 #include "kis_boundary_painter.h"
00048 #include "kis_brush.h"
00049
00050 KisToolFreehand::KisToolFreehand(QString transactionText)
00051 : super(transactionText),
00052 m_dragDist ( 0 ),
00053 m_transactionText(transactionText),
00054 m_mode( HOVER )
00055 {
00056 m_painter = 0;
00057 m_currentImage = 0;
00058 m_tempLayer = 0;
00059 m_paintIncremental = true;
00060 m_paintOnSelection = false;
00061 m_paintedOutline = false;
00062 }
00063
00064 KisToolFreehand::~KisToolFreehand()
00065 {
00066 }
00067
00068 void KisToolFreehand::update(KisCanvasSubject *subject)
00069 {
00070 super::update(subject);
00071 m_currentImage = m_subject->currentImg();
00072 }
00073
00074 void KisToolFreehand::buttonPress(KisButtonPressEvent *e)
00075 {
00076 if (!m_subject) return;
00077
00078 if (!m_subject->currentBrush()) return;
00079
00080 if (!m_currentImage || !m_currentImage->activeDevice()) return;
00081
00082 if (e->button() == QMouseEvent::LeftButton) {
00083
00084
00085
00086
00087
00088
00089 initPaint(e);
00090 paintAt(e->pos(), e->pressure(), e->xTilt(), e->yTilt());
00091
00092 m_prevPos = e->pos();
00093 m_prevPressure = e->pressure();
00094 m_prevXTilt = e->xTilt();
00095 m_prevYTilt = e->yTilt();
00096
00097 QRect r = m_painter->dirtyRect();
00098 if ( r.isValid() ) {
00099 m_dirtyRect = r;
00100
00101 r = QRect(r.left()-1, r.top()-1, r.width()+2, r.height()+2);
00102 if (!m_paintOnSelection) {
00103 m_currentImage->activeLayer()->setDirty(r);
00104 }
00105 else {
00106 m_target->setDirty(r);
00107
00108 m_subject->canvasController()->updateCanvas( r );
00109 }
00110 }
00111 }
00112 }
00113
00114 void KisToolFreehand::buttonRelease(KisButtonReleaseEvent* e)
00115 {
00116 if (e->button() == QMouseEvent::LeftButton && m_mode == PAINT) {
00117 endPaint();
00118 }
00119 KisToolPaint::buttonRelease(e);
00120 }
00121
00122 void KisToolFreehand::move(KisMoveEvent *e)
00123 {
00124 if (m_mode == PAINT) {
00125
00126 paintLine(m_prevPos, m_prevPressure, m_prevXTilt, m_prevYTilt, e->pos(), e->pressure(), e->xTilt(), e->yTilt());
00127
00128 m_prevPos = e->pos();
00129 m_prevPressure = e->pressure();
00130 m_prevXTilt = e->xTilt();
00131 m_prevYTilt = e->yTilt();
00132
00133 QRect r = m_painter->dirtyRect();
00134
00135 if (r.isValid()) {
00136 m_dirtyRect |= r;
00137
00138 if (!m_paintOnSelection) {
00139 m_currentImage->activeLayer()->setDirty(r);
00140 }
00141 else {
00142
00143 r = QRect(r.left()-1, r.top()-1, r.width()+2, r.height()+2);
00144 m_target->setDirty(r);
00145 m_subject->canvasController()->updateCanvas( r );
00146 }
00147 }
00148 }
00149 }
00150
00151 void KisToolFreehand::initPaint(KisEvent *)
00152 {
00153 if (!m_currentImage || !m_currentImage->activeDevice()) return;
00154
00155 m_mode = PAINT;
00156 m_dragDist = 0;
00157
00158
00159 KisPaintDeviceSP device;
00160 if (m_currentImage && (device = m_currentImage->activeDevice())) {
00161
00162 if (m_painter)
00163 delete m_painter;
00164
00165 if (!m_paintIncremental) {
00166 if (m_currentImage->undo())
00167 m_currentImage->undoAdapter()->beginMacro(m_transactionText);
00168
00169 KisLayerSupportsIndirectPainting* layer;
00170 if ((layer = dynamic_cast<KisLayerSupportsIndirectPainting*>(
00171 m_currentImage->activeLayer().data()))) {
00172
00173
00174
00175
00176
00177 KisLayer* l = layer->layer();
00178 KisPaintLayer* pl = dynamic_cast<KisPaintLayer*>(l);
00179 if (l->parent() && (l->parent()->parent() == 0)
00180 && (l->parent()->childCount() == 1)
00181 && l->parent()->paintLayerInducesProjectionOptimization(pl)) {
00182
00183
00184 l->parent()->resetProjection(pl->paintDevice());
00185 }
00186
00187 m_target = new KisPaintDevice(m_currentImage->activeLayer(),
00188 device->colorSpace());
00189 layer->setTemporaryTarget(m_target);
00190 layer->setTemporaryCompositeOp(m_compositeOp);
00191 layer->setTemporaryOpacity(m_opacity);
00192
00193 if (device->hasSelection())
00194 m_target->setSelection(device->selection());
00195 }
00196 } else {
00197 m_target = device;
00198 }
00199 if(m_target->hasSelection()) m_target->selection()->startCachingExactRect();
00200 m_painter = new KisPainter( m_target );
00201 Q_CHECK_PTR(m_painter);
00202 m_source = device;
00203 if (currentImage()->undo()) m_painter->beginTransaction(m_transactionText);
00204 }
00205
00206 m_painter->setPaintColor(m_subject->fgColor());
00207 m_painter->setBackgroundColor(m_subject->bgColor());
00208 m_painter->setBrush(m_subject->currentBrush());
00209
00210
00211
00212 if (m_paintIncremental) {
00213 m_painter->setCompositeOp(m_compositeOp);
00214 m_painter->setOpacity(m_opacity);
00215 } else {
00216 m_painter->setCompositeOp(COMPOSITE_ALPHA_DARKEN);
00217 m_painter->setOpacity( OPACITY_OPAQUE );
00218
00219 }
00220
00221
00222
00223
00224
00225
00226
00227
00228
00229 }
00230
00231 void KisToolFreehand::endPaint()
00232 {
00233 m_mode = HOVER;
00234 if (m_currentImage) {
00235
00236 if (m_painter) {
00237
00238
00239 if (!m_paintIncremental) {
00240 if (m_currentImage->undo())
00241 m_painter->endTransaction();
00242 KisPainter painter( m_source );
00243 painter.setCompositeOp(m_compositeOp);
00244 if (m_currentImage->undo())
00245 painter.beginTransaction(m_transactionText);
00246 painter.bitBlt(m_dirtyRect.x(), m_dirtyRect.y(), m_compositeOp, m_target,
00247 m_opacity,
00248 m_dirtyRect.x(), m_dirtyRect.y(),
00249 m_dirtyRect.width(), m_dirtyRect.height());
00250
00251 KisLayerSupportsIndirectPainting* layer =
00252 dynamic_cast<KisLayerSupportsIndirectPainting*>(m_source->parentLayer());
00253 layer->setTemporaryTarget(0);
00254 m_source->parentLayer()->setDirty(m_dirtyRect);
00255
00256 if (m_currentImage->undo()) {
00257 m_currentImage->undoAdapter()->addCommand(painter.endTransaction());
00258 m_currentImage->undoAdapter()->endMacro();
00259 }
00260 } else {
00261 if (m_currentImage->undo())
00262 m_currentImage->undoAdapter()->addCommand(m_painter->endTransaction());
00263 }
00264 }
00265 delete m_painter;
00266 m_painter = 0;
00267 notifyModified();
00268 if(m_target->hasSelection()) m_target->selection()->stopCachingExactRect();
00269 }
00270 }
00271
00272 void KisToolFreehand::paintAt(const KisPoint &pos,
00273 const double pressure,
00274 const double xTilt,
00275 const double yTilt)
00276 {
00277 painter()->paintAt(pos, pressure, xTilt, yTilt);
00278 }
00279
00280 void KisToolFreehand::paintLine(const KisPoint & pos1,
00281 const double pressure1,
00282 const double xtilt1,
00283 const double ytilt1,
00284 const KisPoint & pos2,
00285 const double pressure2,
00286 const double xtilt2,
00287 const double ytilt2)
00288 {
00289 m_dragDist = painter()->paintLine(pos1, pressure1, xtilt1, ytilt1, pos2, pressure2, xtilt2, ytilt2, m_dragDist);
00290 }
00291
00292
00293 KisImageSP KisToolFreehand::currentImage()
00294 {
00295 return m_currentImage;
00296 }
00297
00298
00299 void KisToolFreehand::paintOutline(const KisPoint& point) {
00300 if (!m_subject) {
00301 return;
00302 }
00303
00304 KisCanvasController *controller = m_subject->canvasController();
00305
00306 if (currentImage() && !currentImage()->bounds().contains(point.floorQPoint())) {
00307 if (m_paintedOutline) {
00308 controller->kiscanvas()->update();
00309 m_paintedOutline = false;
00310 }
00311 return;
00312 }
00313
00314 KisCanvas *canvas = controller->kiscanvas();
00315 canvas->repaint();
00316
00317 KisBrush *brush = m_subject->currentBrush();
00318
00319 if (brush) {
00320 KisCanvasPainter gc(canvas);
00321 QPen pen(Qt::SolidLine);
00322
00323 KisPoint hotSpot = brush->hotSpot();
00324
00325 gc.setRasterOp(Qt::NotROP);
00326 gc.setPen(pen);
00327 gc.setViewport(0, 0, static_cast<Q_INT32>(canvas->width() * m_subject->zoomFactor()),
00328 static_cast<Q_INT32>(canvas->height() * m_subject->zoomFactor()));
00329 gc.translate((- controller->horzValue()) / m_subject->zoomFactor(),
00330 (- controller->vertValue()) / m_subject->zoomFactor());
00331
00332 KisPoint topLeft = point - hotSpot;
00333
00334 if (m_subject->currentPaintop().id() == "pen") {
00335
00336 topLeft = topLeft.roundQPoint();
00337 }
00338
00339 gc.translate(topLeft.x(), topLeft.y());
00340
00341 KisBoundaryPainter::paint(brush->boundary(), gc);
00342 m_paintedOutline = true;
00343 }
00344 }
00345
00346
00347 #include "kis_tool_freehand.moc"
00348