From d796c9dd933ab96ec83b9a634feedd5d32e1ba3f Mon Sep 17 00:00:00 2001 From: Timothy Pearson Date: Tue, 8 Nov 2011 12:31:36 -0600 Subject: Test conversion to TQt3 from Qt3 8c6fc1f8e35fd264dd01c582ca5e7549b32ab731 --- examples/drawdemo/README | 2 + examples/drawdemo/drawdemo.cpp | 312 +++++++++++++++++++++++++++++++++++++++++ examples/drawdemo/drawdemo.doc | 17 +++ examples/drawdemo/drawdemo.pro | 10 ++ 4 files changed, 341 insertions(+) create mode 100644 examples/drawdemo/README create mode 100644 examples/drawdemo/drawdemo.cpp create mode 100644 examples/drawdemo/drawdemo.doc create mode 100644 examples/drawdemo/drawdemo.pro (limited to 'examples/drawdemo') diff --git a/examples/drawdemo/README b/examples/drawdemo/README new file mode 100644 index 000000000..273004043 --- /dev/null +++ b/examples/drawdemo/README @@ -0,0 +1,2 @@ +The drawdemo program demonstrates several drawing functions and printer +output. diff --git a/examples/drawdemo/drawdemo.cpp b/examples/drawdemo/drawdemo.cpp new file mode 100644 index 000000000..63211057e --- /dev/null +++ b/examples/drawdemo/drawdemo.cpp @@ -0,0 +1,312 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for TQt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#include +#include +#include +#include +#include +#include +#include +#include + +// +// First we define the functionality our demo should present +// to the user. You might add different demo-modes if you wish so. +// + +// +// This function draws a color wheel. +// The coordinate system x=(0..500), y=(0..500) spans the paint device. +// + +void drawColorWheel( TQPainter *p ) +{ + TQFont f( "times", 18, TQFont::Bold ); + p->setFont( f ); + p->setPen( TQt::black ); + p->setWindow( 0, 0, 500, 500 ); // defines coordinate system + + for ( int i=0; i<36; i++ ) { // draws 36 rotated rectangles + + TQWMatrix matrix; + matrix.translate( 250.0F, 250.0F ); // move to center + matrix.shear( 0.0F, 0.3F ); // twist it + matrix.rotate( (float)i*10 ); // rotate 0,10,20,.. degrees + p->setWorldMatrix( matrix ); // use this world matrix + + TQColor c; + c.setHsv( i*10, 255, 255 ); // rainbow effect + p->setBrush( c ); // solid fill with color c + p->drawRect( 70, -10, 80, 10 ); // draw the rectangle + + TQString n; + n.sprintf( "H=%d", i*10 ); + p->drawText( 80+70+5, 0, n ); // draw the hue number + } +} + + +// +// This function draws a few lines of text using different fonts. +// + +void drawFonts( TQPainter *p ) +{ + static const char *fonts[] = { "Helvetica", "Courier", "Times", 0 }; + static int sizes[] = { 10, 12, 18, 24, 36, 0 }; + int f = 0; + int y = 0; + while ( fonts[f] ) { + int s = 0; + while ( sizes[s] ) { + TQFont font( fonts[f], sizes[s] ); + p->setFont( font ); + TQFontMetrics fm = p->fontMetrics(); + y += fm.ascent(); + p->drawText( 10, y, "Quartz Glyph Job Vex'd Cwm Finks" ); + y += fm.descent(); + s++; + } + f++; + } +} + + +// +// This function draws some shapes +// + +void drawShapes( TQPainter *p ) +{ + TQBrush b1( TQt::blue ); + TQBrush b2( TQt::green, TQt::Dense6Pattern ); // green 12% fill + TQBrush b3( TQt::NoBrush ); // void brush + TQBrush b4( TQt::CrossPattern ); // black cross pattern + + p->setPen( TQt::red ); + p->setBrush( b1 ); + p->drawRect( 10, 10, 200, 100 ); + p->setBrush( b2 ); + p->drawRoundRect( 10, 150, 200, 100, 20, 20 ); + p->setBrush( b3 ); + p->drawEllipse( 250, 10, 200, 100 ); + p->setBrush( b4 ); + p->drawPie( 250, 150, 200, 100, 45*16, 90*16 ); +} + + +typedef void (*draw_func)(TQPainter*); + +struct DrawThing { + draw_func f; + const char *name; +}; + +// +// All previously implemented functions are collected +// in the following "table". +// If you implement different functionality, your new draw +// function must be assigned here with a function pointer and +// description. +// Leave the zeros at the end, they will be used +// as markers referring to the end of the array. +// + +DrawThing ourDrawFunctions[] = { +// name of the function, title presented to the user + { drawColorWheel, "Draw color wheel" }, + { drawFonts, "Draw fonts" }, + { drawShapes, "Draw shapes" }, + { 0, 0 } }; + + + +class DrawView : public TQWidget +{ + Q_OBJECT +public: + DrawView(); + ~DrawView(); +public slots: + void updateIt( int ); + void printIt(); +protected: + void drawIt( TQPainter * ); + void paintEvent( TQPaintEvent * ); + void resizeEvent( TQResizeEvent * ); +private: + TQPrinter *printer; + TQButtonGroup *bgroup; + TQPushButton *print; + int drawindex; + int maxindex; +}; + + +// +// Construct the DrawView with buttons. +// + +DrawView::DrawView() +{ + setCaption( "TQt Draw Demo Application" ); + setBackgroundMode(PaletteBase); + + // Create a button group to contain all buttons + bgroup = new TQButtonGroup( this ); + bgroup->resize( 200, 200 ); + connect( bgroup, SIGNAL(clicked(int)), SLOT(updateIt(int)) ); + + // Calculate the size for the radio buttons + int maxwidth = 80; + int maxheight = 10; + int i; + const char *n; + TQFontMetrics fm = bgroup->fontMetrics(); + + // Find out the longest function description. + // Here we make use of the last "0,0"-entry in the + // ourDrawFunctions-array. + for ( i=0; (n=ourDrawFunctions[i].name) != 0; i++ ) { + int w = fm.width( n ); + maxwidth = TQMAX(w,maxwidth); // TQMAX is a macro defined in qglobal.h + // and returns the biggest of to values. + // Due to its macro nature one should use it with care and with + // constant parameters only. + } + + maxwidth = maxwidth + 30; // allow 30 pixels for radiobuttons + + for ( i=0; (n=ourDrawFunctions[i].name) != 0; i++ ) { + TQRadioButton *rb = new TQRadioButton( n, bgroup ); + rb->setGeometry( 10, i*30+10, maxwidth, 30 ); + + maxheight += 30; + + if ( i == 0 ) + rb->setChecked( TRUE ); + } + + maxheight += 10; // maxheight is now 10 pixels upper margin + // plus number_of_drawfunctions * 30 + // plus 10 pixels lower margin + + drawindex = 0; // draw first thing + maxindex = i; + + maxwidth += 20; // add some margin, this results in the + // final width of bgroup + + bgroup->resize( maxwidth, maxheight ); // resize bgroup to its final size + // when no printersupport is provided + + +// If -- at compile time -- printer support will be disabled, +// we won't set up printing functionality. + +#ifndef QT_NO_PRINTER + + printer = new TQPrinter; + + // Create and setup the print button + print = new TQPushButton( "Print...", bgroup ); + print->resize( 80, 30 ); + print->move( maxwidth/2 - print->width()/2, maxindex*30+20 ); + connect( print, SIGNAL(clicked()), SLOT(printIt()) ); + + // Resize bgroup to its final size when printersupport is given. + bgroup->resize( maxwidth, print->y()+print->height()+10 ); + +#endif + + resize( 640,300 ); +} + +// +// Clean up. +// +DrawView::~DrawView() +{ +#ifndef QT_NO_PRINTER + delete printer; +#endif +} + +// +// Called when a radio button is clicked. +// + +void DrawView::updateIt( int index ) +{ + if ( index < maxindex ) { + drawindex = index; + update(); + } +} + +// +// Calls the drawing function as specified by the radio buttons. +// + +void DrawView::drawIt( TQPainter *p ) +{ + (*ourDrawFunctions[drawindex].f)(p); +} + +// +// Called when the print button is clicked. +// + +void DrawView::printIt() +{ + if ( printer->setup( this ) ) { + TQPainter paint; + if( !paint.begin( printer ) ) + return; + drawIt( &paint ); + } +} + +// +// Called when the widget needs to be updated. +// + +void DrawView::paintEvent( TQPaintEvent * ) +{ + TQPainter paint( this ); + drawIt( &paint ); +} + +// +// Called when the widget has been resized. +// Moves the button group to the upper right corner +// of the widget. + +void DrawView::resizeEvent( TQResizeEvent * ) +{ + bgroup->move( width()-bgroup->width(), 0 ); +} + + +// +// Create and display our widget. +// + +#include "drawdemo.moc" + +int main( int argc, char **argv ) +{ + TQApplication app( argc, argv ); + DrawView draw; + app.setMainWidget( &draw ); + draw.setCaption("TQt Example - Drawdemo"); + draw.show(); + return app.exec(); +} diff --git a/examples/drawdemo/drawdemo.doc b/examples/drawdemo/drawdemo.doc new file mode 100644 index 000000000..f25bd7ee6 --- /dev/null +++ b/examples/drawdemo/drawdemo.doc @@ -0,0 +1,17 @@ +/* +*/ +/*! \page drawdemo-example.html + + \ingroup examples + \title Draw Demo + + This example demonstrates several drawing functions and printer output. + You can easily add you own drawing functions. + +
+ + Implementation: + + \include drawdemo/drawdemo.cpp +*/ + diff --git a/examples/drawdemo/drawdemo.pro b/examples/drawdemo/drawdemo.pro new file mode 100644 index 000000000..92d70c542 --- /dev/null +++ b/examples/drawdemo/drawdemo.pro @@ -0,0 +1,10 @@ +TEMPLATE = app +TARGET = drawdemo + +CONFIG += qt warn_on release +DEPENDPATH = ../../include + +REQUIRES = full-config + +HEADERS = +SOURCES = drawdemo.cpp -- cgit v1.2.1