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Added "up arrow" to SimplePreview.

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This commit is contained in:
Jim Evins
2013-11-17 01:34:37 -05:00
parent f255f561ce
commit 64a9076b18
2 changed files with 101 additions and 22 deletions
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app/SimplePreview.cpp
+93 -19
View File
@@ -27,24 +27,32 @@
namespace
{
const QColor paperColor( 255, 255, 255 );
const QColor paperOutlineColor( 0, 0, 0 );
const double paperOutlineWidthPixels = 1;
const QColor paperColor( 255, 255, 255 );
const QColor paperOutlineColor( 0, 0, 0 );
const double paperOutlineWidthPixels = 1;
const QColor shadowColor( 64, 64, 64 );
const double shadowOffsetPixels = 3;
const double shadowRadiusPixels = 12;
const QColor shadowColor( 64, 64, 64 );
const double shadowOffsetPixels = 3;
const double shadowRadiusPixels = 12;
const QColor labelColor( 255, 255, 255 );
const QColor labelOutlineColor( 128, 128, 255 );
const double labelOutlineWidthPixels = 2;
const QColor labelColor( 255, 255, 255 );
const QColor labelOutlineColor( 128, 128, 255 );
const double labelOutlineWidthPixels = 2;
const QColor arrowColor( 224, 224, 255 );
const double arrowScale = 0.35;
const QColor upColor( 224, 224, 255 );
const double upScale = 0.15;
const QString upFontFamily( "Sans" );
}
namespace gLabels
{
SimplePreview::SimplePreview( QWidget *parent = 0 ) : QGraphicsView(parent)
SimplePreview::SimplePreview( QWidget *parent = 0 )
: mScale(1), mTmplate(NULL), mRotateFlag(false), QGraphicsView(parent)
{
mScene = new QGraphicsScene();
setScene( mScene );
@@ -58,24 +66,39 @@ namespace gLabels
void SimplePreview::setTemplate( const libglabels::Template *tmplate )
{
mTmplate = tmplate;
update();
}
void SimplePreview::setRotate( bool rotateFlag )
{
mRotateFlag = rotateFlag;
update();
}
void SimplePreview::update()
{
clearScene();
if ( tmplate != NULL )
if ( mTmplate != NULL )
{
// Set scene up with a 5% margin around paper
double x = -0.05 * tmplate->pageWidth();
double y = -0.05 * tmplate->pageHeight();
double w = 1.10 * tmplate->pageWidth();
double h = 1.10 * tmplate->pageHeight();
double x = -0.05 * mTmplate->pageWidth();
double y = -0.05 * mTmplate->pageHeight();
double w = 1.10 * mTmplate->pageWidth();
double h = 1.10 * mTmplate->pageHeight();
mScene->setSceneRect( x, y, w, h );
fitInView( x, y, w, h, Qt::KeepAspectRatio );
mScale = matrix().m11();
drawPaper( tmplate->pageWidth(), tmplate->pageHeight() );
drawLabels( tmplate );
drawPaper( mTmplate->pageWidth(), mTmplate->pageHeight() );
drawLabels();
drawArrow();
}
}
@@ -110,9 +133,9 @@ namespace gLabels
}
void SimplePreview::drawLabels( const libglabels::Template *tmplate )
void SimplePreview::drawLabels()
{
libglabels::Frame *frame = tmplate->frames().first();
libglabels::Frame *frame = mTmplate->frames().first();
foreach (libglabels::Point origin, frame->getOrigins() )
{
@@ -135,4 +158,55 @@ namespace gLabels
mScene->addItem( labelItem );
}
void SimplePreview::drawArrow()
{
libglabels::Frame *frame = mTmplate->frames().first();
double w = frame->w();
double h = frame->h();
if ( w != h )
{
double min = ( w < h ) ? w : h;
QPen pen( arrowColor );
pen.setWidthF( 0.25*min*arrowScale );
pen.setCapStyle( Qt::FlatCap );
pen.setJoinStyle( Qt::MiterJoin );
QBrush brush( upColor );
libglabels::Point origin = frame->getOrigins().first();
double x0 = origin.x();
double y0 = origin.y();
QPainterPath path;
path.moveTo( 0, min*arrowScale/3 );
path.lineTo( 0, -min*arrowScale );
path.moveTo( -min*arrowScale/2, -min*arrowScale/2 );
path.lineTo( 0, -min*arrowScale );
path.lineTo( min*arrowScale/2, -min*arrowScale/2 );
QGraphicsPathItem *arrowItem = new QGraphicsPathItem( path );
arrowItem->setPen( pen );
arrowItem->setPos( x0+w/2, y0+h/2 );
QGraphicsSimpleTextItem *upItem = new QGraphicsSimpleTextItem( tr("Up") );
upItem->setBrush( brush );
upItem->setFont( QFont( upFontFamily, min*upScale, QFont::Bold ) );
QRectF rect = upItem->boundingRect();
upItem->setPos( x0+w/2-rect.width()/2, y0+h/2+min/8 );
if ( mRotateFlag )
{
arrowItem->setRotation( -90 );
upItem->setRotation( -90 );
}
mScene->addItem( arrowItem );
mScene->addItem( upItem );
}
}
}
app/SimplePreview.h
+8 -3
View File
@@ -40,15 +40,20 @@ namespace gLabels
SimplePreview( QWidget *parent );
void setTemplate( const libglabels::Template *tmplate );
void setRotate( bool rotateFlag );
private:
void update();
void clearScene();
void drawPaper( double pw, double ph );
void drawLabels( const libglabels::Template *tmplate );
void drawLabels();
void drawLabel( double x, double y, const QPainterPath &path );
void drawArrow();
QGraphicsScene *mScene;
double mScale;
QGraphicsScene *mScene;
double mScale;
const libglabels::Template *mTmplate;
bool mRotateFlag;
};