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livetrax/libs/canvas/test/render.cc

87 lines
2.2 KiB
C++

#include <pangomm/init.h>
#include "canvas/canvas.h"
#include "canvas/line.h"
#include "canvas/rectangle.h"
#include "canvas/polygon.h"
#include "canvas/arrow.h"
#include "canvas/text.h"
#include "render.h"
using namespace std;
using namespace ArdourCanvas;
CPPUNIT_TEST_SUITE_REGISTRATION (RenderTest);
void
RenderTest::check (string const & name)
{
stringstream s;
s << "diff -q " << name << ".png " << "../../libs/canvas/test/" << name << ".png";
int r = system (s.str().c_str());
CPPUNIT_ASSERT (WEXITSTATUS (r) == 0);
}
void
RenderTest::basics ()
{
ImageCanvas canvas (Duple (256, 256));
/* line */
Group line_group (canvas.root ());
line_group.set_position (Duple (0, 0));
Line line (&line_group);
line.set (Duple (0, 0), Duple (32, 32));
line.set_outline_width (2);
/* rectangle */
Group rectangle_group (canvas.root ());
rectangle_group.set_position (Duple (64, 0));
Rectangle rectangle (&rectangle_group);
rectangle.set (Rect (0, 0, 32, 32));
rectangle.set_outline_width (2);
rectangle.set_outline_color (0x00ff00ff);
rectangle.set_fill_color (0x0000ffff);
/* poly line */
Group poly_line_group (canvas.root ());
poly_line_group.set_position (Duple (0, 64));
PolyLine poly_line (&poly_line_group);
Points points;
points.push_back (Duple (0, 0));
points.push_back (Duple (16, 48));
points.push_back (Duple (32, 32));
poly_line.set (points);
poly_line.set_outline_color (0xff0000ff);
poly_line.set_outline_width (2);
/* polygon */
Group polygon_group (canvas.root ());
polygon_group.set_position (Duple (64, 64));
Polygon polygon (&polygon_group);
polygon.set (points);
polygon.set_outline_color (0xff00ffff);
polygon.set_fill_color (0xcc00ffff);
polygon.set_outline_width (2);
/* arrow */
Group arrow_group (canvas.root ());
arrow_group.set_position (Duple (128, 0));
Arrow arrow (&arrow_group);
arrow.set_outline_width (2);
arrow.set_x (32);
arrow.set_y0 (0);
arrow.set_y1 (64);
/* text */
Pango::init ();
Group text_group (canvas.root ());
text_group.set_position (Duple (128, 64));
Text text (&text_group);
text.set ("Hello world!");
canvas.render_to_image (Rect (0, 0, 256, 256));
canvas.write_to_png ("render_basics.png");
check ("render_basics");
}