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241 lines
6.3 KiB
241 lines
6.3 KiB
#include <cairo.h>
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#include <tqpainter.h>
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#include <tqapplication.h>
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#include "tqtcairopainter.h"
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// TQt3 test image only
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#include <tqpixmap.h>
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void drawColorWheel(TQPainter *p, double scale)
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{
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TQFont f( "times", 18, TQFont::Bold );
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p->setFont( f );
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p->setPen(TQt::black);
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p->setWindow( 0, 0, 500*scale, 500*scale ); // defines coordinate system
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for ( int i=0; i<36; i++ ) { // draws 36 rotated rectangles
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TQWMatrix matrix;
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matrix.translate( 250.0F*scale, 250.0F*scale ); // move to center
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matrix.shear( 0.0F*scale, 0.3F*scale ); // twist it
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matrix.rotate( (float)i*10 ); // rotate 0,10,20,.. degrees
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p->setWorldMatrix( matrix ); // use this world matrix
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TQColor c;
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c.setHsv( i*10, 255, 255 ); // rainbow effect
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p->setBrush( c ); // solid fill with color c
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p->drawRect( 70*scale, -10*scale, 80*scale, 10*scale ); // draw the rectangle
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TQString n;
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n.sprintf( "H=%d", i*10 );
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p->drawText( (80+70+5)*scale, 0, n ); // draw the hue number
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}
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}
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void runTests(TQPaintDevice* pd) {
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TQPainter p(pd);
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// Rectangle tests
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{
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p.setPen(TQPen(TQt::red, 1));
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p.drawRect(5, 5, 50, 50);
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TQBrush brush( TQt::yellow, TQBrush::DiagCrossPattern ); // yellow pattern
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p.setBrush( brush ); // set the yellow brush
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p.setPen( TQt::NoPen ); // do not draw outline
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p.drawRect( 0,0, 25,25 ); // draw filled rectangle
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TQBrush brush2( TQt::green, TQBrush::SolidPattern ); // green pattern
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p.setBrush( brush2 ); // set the yellow brush
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p.setPen( TQt::NoPen ); // do not draw outline
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p.drawRect( 40,30, 200,100 ); // draw filled rectangle
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p.setBrush( TQt::NoBrush ); // do not fill
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p.setPen( TQt::blue ); // set blue pen, 0 pixel width
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p.drawRect( 10,10, 30,20 ); // draw rectangle outline
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TQBrush brush3( TQColor(255,128,0), TQBrush::SolidPattern ); // green pattern
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p.setBrush( brush3 ); // set the yellow brush
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p.setPen( TQColor(255,0,255) ); // draw outline
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p.drawRect( 50,40, 180,80 ); // draw filled rectangle
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}
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// Line tests
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{
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p.setPen( TQt::blue ); // set blue pen, 0 pixel width
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p.drawLine(140,140, 160,160);
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}
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// Point tests
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{
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p.setPen( TQt::green ); // set green pen, 0 pixel width
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p.drawPoint(135,135);
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}
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// Polyline tests
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{
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TQPointArray a;
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int x1 = 250;
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int y1 = 10;
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a.setPoints( 11, x1+0, y1+85, x1+75, y1+75, x1+100, y1+10, x1+125, y1+75, x1+200, y1+85, x1+150, y1+125, x1+160, y1+190, x1+100, y1+150, x1+40, y1+190, x1+50, y1+125, x1+0, y1+85 );
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p.setPen(TQt::red);
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p.drawPolyline(a);
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}
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// Polyfill tests
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{
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TQPointArray a;
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int x1 = 250;
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int y1 = 200;
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a.setPoints( 11, x1+0, y1+85, x1+75, y1+75, x1+100, y1+10, x1+125, y1+75, x1+200, y1+85, x1+150, y1+125, x1+160, y1+190, x1+100, y1+150, x1+40, y1+190, x1+50, y1+125, x1+0, y1+85 );
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p.setPen(TQt::blue);
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p.setBrush(TQt::green);
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p.drawPolygon(a);
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}
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// Rounded rectangle tests
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{
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p.setBrush(TQt::green);
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p.setPen(TQPen(TQt::red, 1));
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p.drawRoundRect(10, 150, 50, 50);
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p.setBrush(TQBrush());
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p.setPen(TQPen(TQt::blue, 1));
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p.drawRoundRect(80, 150, 50, 50);
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}
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// Ellipse tests
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{
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p.setBrush(TQt::green);
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p.setPen(TQPen(TQt::red, 1));
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p.drawEllipse(10, 220, 50, 50);
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p.setBrush(TQBrush());
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p.setPen(TQPen(TQt::blue, 1));
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p.drawEllipse(80, 220, 50, 50);
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}
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// Arc tests
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{
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p.setBrush(TQBrush());
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p.setPen(TQPen(TQt::yellow, 1));
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p.drawArc(10,10, 70,100, 100*16, 160*16); // draws a "(" arc
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}
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// Pie tests
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{
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p.setBrush(TQBrush());
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p.setPen(TQPen(TQt::red, 1));
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p.drawPie(250, 400, 200, 100, 45*16, 90*16);
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p.setBrush(TQt::green);
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p.setPen(TQPen(TQt::blue, 1));
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p.drawPie(250, 450, 200, 100, 45*16, 90*16);
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}
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// Chord tests
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{
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p.setBrush(TQBrush());
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p.setPen(TQPen(TQt::red, 1));
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p.drawChord(100, 400, 200, 100, 45*16, 90*16);
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p.setBrush(TQt::green);
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p.setPen(TQPen(TQt::blue, 1));
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p.drawChord(100, 450, 200, 100, 45*16, 90*16);
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}
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// Line segment tests
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{
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TQPointArray a;
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int x1 = 10;
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int y1 = 400;
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a.setPoints( 4, x1+0, y1+85, x1+75, y1+75, x1+0, y1+95, x1+75, y1+85 );
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p.setPen(TQColor(255,128,0));
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p.drawLineSegments(a);
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}
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// Bezier curve tests
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{
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TQPointArray a;
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int x1 = 100;
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int y1 = 400;
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a.setPoints( 4, x1+0, y1+85, x1+75, y1+75, x1+0, y1+95, x1+75, y1+85 );
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p.setPen(TQColor(0,128,255));
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p.drawCubicBezier(a);
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}
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// Pixmap tests
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{
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TQPixmap pixmap("open.png");
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p.drawPixmap(200, 10, pixmap, 0, 0, -1, -1);
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}
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// Font tests
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{
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static const char *fonts[] = { "Helvetica", "Courier", "Times", 0 };
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static int sizes[] = { 10, 12, 18, 24, 36, 0 };
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int f = 0;
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int y = 0;
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while ( fonts[f] ) {
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int s = 0;
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while ( sizes[s] ) {
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TQFont font( fonts[f], sizes[s] );
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p.setFont( font );
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TQFontMetrics fm = p.fontMetrics();
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y += fm.ascent();
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p.drawText( 10, y, "TQt3 renders via Cairo!" );
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y += fm.descent();
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s++;
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if (y > 500) {
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break;
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}
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}
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f++;
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if (y > 500) {
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break;
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}
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}
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}
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//drawColorWheel(&p, 0.5);
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//drawColorWheel(&p, 1.0);
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p.end();
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}
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int
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main (int argc, char *argv[])
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{
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cairo_surface_t *surface;
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cairo_t *cr;
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surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 500, 500);
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// cr = cairo_create (surface);
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// /* Examples are in 1.0 x 1.0 coordinate space */
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// cairo_scale (cr, 120, 120);
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//
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// /* Drawing code goes here */
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// cairo_set_line_width (cr, 0.1);
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// cairo_set_source_rgb (cr, 0, 0, 0);
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// cairo_rectangle (cr, 0.25, 0.25, 0.5, 0.5);
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// cairo_stroke (cr);
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// Initialize TQApplication required data structures
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new TQApplication(argc, argv, TRUE);
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TQt3CairoPaintDevice pd(surface);
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runTests(&pd);
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/* Write output and clean up */
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cairo_surface_write_to_png (surface, "stroke.png");
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// cairo_destroy (cr);
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cairo_surface_destroy (surface);
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// Render a TQt3 native test image
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TQPixmap pm(500, 500);
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pm.fill(TQt::black);
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runTests(&pm);
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pm.save("tqt3.png", "PNG");
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return 0;
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}
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