/*------------------------------------------------------------------------------
| DrawingArea::button1DoubleClick |
| |
| Handle button 1 up double click events. In the case of polyline and polygon |
| a double click indicates the user has finished adding data points to the |
| object. |
------------------------------------------------------------------------------*/
DrawingArea& DrawingArea::button1DoubleClick( const IPoint& point )
{
if (drawState() == waitingForInput )
{
switch (currentObj)
{
case polyline:
{
iGraphic->drawOn( gc );
iGraphic->setGraphicBundle( currentBundle );
iGraphic->drawOn( gc );
setDrawState( notDrawing );
graphicList()->addAsLast( *iGraphic );
}
break;
case polygon:
{
((IGPolyline*)iGraphic)->IGPolyline::drawOn( gc );
iGraphic->setGraphicBundle( currentBundle );
iGraphic->drawOn( gc );
setDrawState( notDrawing );
graphicList()->addAsLast( *iGraphic );
}
break;
}
}
return *this;
}
void OpenGLRenderer::draw(const glm::mat4& model, DrawBuffer* draw,
const Renderer::DrawParameters& p) {
setDrawState(model, draw, p);
glDrawElements(draw->getFaceType(), static_cast<GLsizei>(p.count),
GL_UNSIGNED_INT,
reinterpret_cast<void*>(sizeof(RenderIndex) * p.start));
}
void OpenGLRenderer::drawArrays(const glm::mat4& model, DrawBuffer* draw,
const Renderer::DrawParameters& p) {
setDrawState(model, draw, p);
glDrawArrays(draw->getFaceType(), static_cast<GLint>(p.start), static_cast<GLsizei>(p.count));
}
//-----------------------------------------------------------------------------
// Class: Drawable
// Method: draw
// Description: Collect methods into one draw method.
//-----------------------------------------------------------------------------
void
Drawable::draw ()
{
setDrawState();
DrawableObject::draw();
} // ----- end of method Drawable::draw -----
/*------------------------------------------------------------------------------
| DrawingArea::button1Up |
| |
| Handle button 1 up events. This indicates a data points final location. |
------------------------------------------------------------------------------*/
DrawingArea& DrawingArea::button1Up( const IPoint& point )
{
if ( drawState() == drawing )
{
switch (currentObj)
{
case move:
break;
case eraser:
break;
case stylecan:
break;
case line:
((IGLine*)iGraphic)->setEndingPoint( point );
iGraphic->setGraphicBundle( currentBundle );
iGraphic->drawOn( gc );
setDrawState( notDrawing );
graphicList()->addAsLast( *iGraphic );
break;
case freehand:
((IGPolygon*)iGraphic)->addPoint( point );
iGraphic->setGraphicBundle( currentBundle );
iGraphic->drawOn( gc );
setDrawState( notDrawing );
graphicList()->addAsLast( *iGraphic );
break;
case rectangle:
{
IRectangle rc(((IGRectangle*)iGraphic)->enclosingRect());
rc.sizeTo( rc.size() + point - previousPt );
((IGRectangle*)iGraphic)->setEnclosingRect( rc );
iGraphic->setGraphicBundle( currentBundle );
iGraphic->drawOn( gc );
setDrawState( notDrawing );
graphicList()->addAsLast( *iGraphic );
}
break;
case ellipse:
{
IRectangle rc(((IGEllipse*)iGraphic)->enclosingRect());
rc.sizeTo( rc.size() + point - previousPt );
((IGEllipse*)iGraphic)->setEnclosingRect( rc );
iGraphic->setGraphicBundle( currentBundle );
iGraphic->drawOn( gc );
setDrawState( notDrawing );
graphicList()->addAsLast( *iGraphic );
}
break;
case polyline:
case polygon:
previousPt = point;
((IGPolyline*)iGraphic)->setPoint(
((IGPolyline*)iGraphic)->numberOfPoints()-1, point );
setDrawState( waitingForInput );
break;
case arc:
if ( pointCount == 2 )
{
((IG3PointArc*)iGraphic)->setIntermediatePoint( point );
gc.setMixMode( IGraphicBundle::xor ).setPenColor( IColor::white );
IGLine tempLine( ((IG3PointArc*)iGraphic)->startingPoint(), previousPt );
tempLine.drawOn( gc );
tempLine.setEndingPoint( point );
tempLine.drawOn( gc );
setDrawState( waitingForInput );
}
else if ( pointCount == 3 )
{
gc.setMixMode( IGraphicBundle::xor ).setPenColor( IColor::white );
iGraphic->drawOn( gc );
((IG3PointArc*)iGraphic)->setEndingPoint( point );
iGraphic->setGraphicBundle( currentBundle );
iGraphic->drawOn( gc );
setDrawState( notDrawing );
graphicList()->addAsLast( *iGraphic );
pointCount = 0;
}
break;
case pie:
case chord:
if ( pointCount == 2 )
{
gc.setMixMode( IGraphicBundle::xor ).setPenColor( IColor::white );
setDrawState( waitingForInput );
IPoint centerPt(((IGPie*)iGraphic)->enclosingRect().center());
((IGPie*)iGraphic)->setStartAngle( angleFromPoints( centerPt, point ));
unsigned a(abs(centerPt.x()) - abs(point.x()));
unsigned b(abs(centerPt.y()) - abs(point.y()));
unsigned long radius((unsigned long)sqrtl(a*a + b*b));
((IGPie*)iGraphic)->setEnclosingRect(
((IGPie*)iGraphic)->enclosingRect().expandBy(radius));
}
else if ( pointCount == 3 )
{
gc.setMixMode( IGraphicBundle::xor ).setPenColor( IColor::white );
iGraphic->drawOn( gc );
double sweep(angleFromPoints(
((IGPie*)iGraphic)->enclosingRect().center(), point ));
if ( sweep < ((IGPie*)iGraphic)->startAngle() )
((IGPie*)iGraphic)->setSweepAngle( 360.0 -
( ((IGPie*)iGraphic)->startAngle() - sweep ));
else
((IGPie*)iGraphic)->setSweepAngle( sweep -
((IGPie*)iGraphic)->startAngle());
iGraphic->setGraphicBundle( currentBundle );
iGraphic->drawOn( gc );
setDrawState( notDrawing );
graphicList()->addAsLast( *iGraphic );
pointCount = 0;
}
break;
case text:
{
IString input;
IDynamicLinkLibrary reslib("CPPWV53R");
if (point.x() % 2)
input = reslib.loadString( STRING_SAMPLE1 );
else if ((point.y() % 5)==1)
input = reslib.loadString( STRING_SAMPLE3 );
else if ((point.y() % 5)==3)
input = reslib.loadString( STRING_SAMPLE4 );
else
input = reslib.loadString( STRING_SAMPLE2 );
IGString* text = new IGString( input.x2c(), point, currentFont());
// IGString* text = new IGString( "Doodle", point, currentFont());
text->rotateBy( 10.0, point );
text->setGraphicBundle( currentBundle );
text->drawOn( gc );
setDrawState( notDrawing );
graphicList()->addAsLast( *text );
}
break;
case bitmap:
{
IGBitmap *bmp;
// if (bitmapFileName().length() > 0)
// {
// bmp = new IGBitmap(bitmapFileName());
// }
// Select a bitmap to load
IDynamicLinkLibrary reslib("CPPWV53R");
if (point.x() % 2)
bmp = new IGBitmap(reslib.loadBitmap( BITMAP_SAMPLE1 ));
else if ((point.y() % 5)==1)
bmp = new IGBitmap(reslib.loadBitmap( BITMAP_SAMPLE3 ));
else if ((point.y() % 5)==3)
bmp = new IGBitmap(reslib.loadBitmap( BITMAP_SAMPLE4 ));
else
bmp = new IGBitmap(reslib.loadBitmap( BITMAP_SAMPLE2 ));
bmp->moveTo( point );
bmp->drawOn( gc );
setDrawState( notDrawing );
graphicList()->addAsLast( *bmp );
}
break;
} /* endswitch */
} /* endif */
else // not drawing
{
switch (currentObj)
{
case move:
if (moveGraphic && capturePointer)
{
moveRect.translateBy( point - previousPt );
moveRect.drawOn( gc );
moveRect.resetTransformMatrix();
this->refresh( moveRect.boundingRect(gc).expandBy(2) );
moveGraphic->translateBy( point - startingPt );
moveGraphic->drawOn( gc );
moveGraphic = 0;
capturePointer(false);
}
break;
}
}
return *this;
}
/*------------------------------------------------------------------------------
| DrawingArea::button1Down |
| |
| Handle button 1 down messages. This event indicates a new graphic object is |
| to be created of additional data points to add to an existing graphic object.|
------------------------------------------------------------------------------*/
DrawingArea& DrawingArea::button1Down( const IPoint& point )
{
switch (currentObj)
{
case move: // Button 1 drag
if (drawState() == notDrawing)
{
moveGraphic = graphicList()->topGraphicUnderPoint( point, gc );
if ( moveGraphic )
{
moveRect.setEnclosingRect(moveGraphic->boundingRect( gc ));
previousPt = point;
startingPt = point;
capturePointer();
}
}
break;
case eraser:
{
// Delete the object under the pointer
moveGraphic = graphicList()->topGraphicUnderPoint( point, gc );
if ( moveGraphic )
{
moveRect.setEnclosingRect(moveGraphic->boundingRect( gc ));
IGList::Cursor cursor( *graphicList(), gc, point );
for (cursor.setToFirst(); cursor.isValid(); cursor.setToNext())
{
IGraphic* graphic(&(graphicList()->graphicAt(cursor)));
if (graphic == moveGraphic)
{
graphicList()->removeAt(cursor);
delete graphic;
this->refresh( moveRect.boundingRect(gc).expandBy(2) );
moveRect.resetTransformMatrix();
moveGraphic = 0;
break;
}
}
}
}
break;
case stylecan:
{
// Change all objects to the current pen and fill color.
IRectangle tempRect;
moveGraphic = graphicList()->topGraphicUnderPoint( point, gc );
if( moveGraphic )
{
tempRect = moveGraphic->boundingRect( gc );
moveGraphic->setGraphicBundle( currentBundle );
moveGraphic->drawOn( gc );
tempRect |= moveGraphic->boundingRect( gc );
this->refresh( tempRect.expandBy(2) );
moveGraphic = 0;
}
}
break;
case line:
startingPt = point;
previousPt = point;
iGraphic = new IGLine( startingPt, previousPt );
setDrawState();
break;
case freehand:
iGraphic = new IGPolygon(IPointArray());
((IGPolygon*)iGraphic)->addPoint( point );
setDrawState();
break;
case rectangle:
startingPt = point;
previousPt = point;
iGraphic = new IGRectangle(IRectangle(startingPt, previousPt));
setDrawState();
break;
case ellipse:
startingPt = point;
previousPt = point;
iGraphic = new IGEllipse( startingPt, 0L );
setDrawState();
break;
case polyline:
case polygon:
if (drawState() == notDrawing)
{
startingPt = point;
previousPt = point;
if (currentObj == polyline)
iGraphic = new IGPolyline(IPointArray());
else
iGraphic = new IGPolygon(IPointArray());
((IGPolyline*)iGraphic)->addPoint( startingPt );
((IGPolyline*)iGraphic)->addPoint( previousPt );
setDrawState();
}
else
{
((IGPolyline*)iGraphic)->IGPolyline::drawOn( gc );
((IGPolyline*)iGraphic)->addPoint( point );
((IGPolyline*)iGraphic)->IGPolyline::drawOn( gc );
}
break;
case arc:
pointCount++;
if (drawState() == notDrawing)
{
iGraphic = new IG3PointArc( point, IPoint(0,0), IPoint(0,0) );
startingPt = point;
previousPt = point;
}
else if ( pointCount == 2 )
{
previousPt = point;
IGLine tempLine( ((IG3PointArc*)iGraphic)->startingPoint(), point );
tempLine.drawOn( gc );
}
else if ( pointCount == 3 )
{
IGLine tempLine( ((IG3PointArc*)iGraphic)->startingPoint(), previousPt );
tempLine.drawOn( gc );
previousPt = point;
((IG3PointArc*)iGraphic)->setEndingPoint( point );
iGraphic->drawOn( gc );
}
setDrawState();
break;
case pie:
case chord:
pointCount++;
if (drawState() == notDrawing)
{
if (currentObj == pie)
iGraphic = new IGPie( IRectangle(), 0, 0);
else
iGraphic = new IGChord( IRectangle(), 0, 0);
((IGPie*)iGraphic)->setEnclosingRect(
((IGPie*)iGraphic)->enclosingRect().centerAt( point ));
startingPt = point;
previousPt = point;
}
else if ( pointCount == 2 )
{
previousPt = point;
IGLine tempLine( ((IGPie*)iGraphic)->enclosingRect().center(), point );
tempLine.drawOn( gc );
}
else if ( pointCount == 3 )
{
IGLine tempLine( ((IGPie*)iGraphic)->enclosingRect().center(), previousPt );
tempLine.drawOn( gc );
previousPt = point;
double sweep(angleFromPoints( ((IGPie*)iGraphic)->enclosingRect().center(), point ));
if ( sweep < ((IGPie*)iGraphic)->startAngle() )
((IGPie*)iGraphic)->setSweepAngle( 360.0 -
( ((IGPie*)iGraphic)->startAngle() - sweep ));
else
((IGPie*)iGraphic)->setSweepAngle( sweep -
((IGPie*)iGraphic)->startAngle());
iGraphic->drawOn( gc );
}
setDrawState();
break;
case text:
setDrawState();
break;
case bitmap:
setDrawState();
break;
} /* endswitch */
return *this;
}
