diff options
Diffstat (limited to 'os/ipaq1110/tstdraw.b')
| -rw-r--r-- | os/ipaq1110/tstdraw.b | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/os/ipaq1110/tstdraw.b b/os/ipaq1110/tstdraw.b new file mode 100644 index 00000000..dff42a2f --- /dev/null +++ b/os/ipaq1110/tstdraw.b @@ -0,0 +1,107 @@ +implement Test; + +include "sys.m"; + +include "draw.m"; + +Test: module +{ + init: fn(ctxt: ref Draw->Context, argv: list of string); +}; + +init(ctxt: ref Draw->Context, nil: list of string) +{ + sys := load Sys Sys->PATH; + draw := load Draw Draw->PATH; + Display, Font, Rect, Point, Image, Screen: import draw; + + # + # Set up connection to display, or use the existing one + # if provided. + # + display: ref Display; + disp: ref Image; + if (ctxt == nil) { + display = draw->Display.allocate(nil); + disp = display.image; + } else { + display = ctxt.display; + disp = ctxt.screen.newwindow(display.image.r, Draw->White); + } + + # + # Initialize colours. + # + red := display.color(Draw->Red); + blue := display.color(Draw->Blue); + white := display.color(Draw->White); + yellow := display.color(Draw->Yellow); + ones := display.ones; + + # + # Paint the screen red. + # + disp.draw(disp.r, red, ones, disp.r.min); + sys->sleep(5000); + + # + # Texture a region with rectangular tiles. + # + texture := display.newimage(((0,0),(2,3)), disp.ldepth, 1, 0); + texture.clipr = ((-10000,-10000),(10000,10000)); + # put something in the texture + texture.draw(((0,0),(1,3)), blue, ones, (0,0)); + texture.draw(((0,0),(2, 1)), blue, ones, (0,0)); + # use texture as both source and mask to let + # destination colour show through + disp.draw(((100,100),(200,200)), texture, texture, (0,0)); + sys->sleep(5000); + + # + # White-out a quarter of the pixels in a region, + # to make the region appear shaded. + # + stipple := display.newimage(((0,0),(2,2)), disp.ldepth, 1, 0); + stipple.draw(((0,0),(1,1)), ones, ones, (0,0)); + disp.draw(((100,100),(300,200)), white, stipple, (0,0)); + sys->sleep(5000); + + # + # Draw textured characters. + # + font := Font.open(display, "*default*"); + disp.text((100,210), texture, (0,0), font, "Hello world"); + sys->sleep(5000); + + # + # Draw picture in elliptical frame. + # + delight := display.open("/icons/delight.bit"); + piccenter := delight.r.min.add(delight.r.max).div(2); + disp.fillellipse((200,100), 150, 50, delight, piccenter); + disp.ellipse((200,100), 150, 50, 3, yellow, (0,0)); + sys->sleep(5000); + + # + # Draw a parabolic brush stroke using an elliptical brush + # to reveal more of the picture, consistent with what's + # already visible. + # + dx : con 15; + dy : con 3; + brush := display.newimage(((0,0),(2*dx+1,2*dy+1)), disp.ldepth, + 0, 0); + brush.fillellipse((dx,dy), dx, dy, ones, (0,0)); + for(x:=delight.r.min.x; x<delight.r.max.x; x++){ + y := (x-piccenter.x)*(x-piccenter.x)/80; + y += 2*dy+1; # so whole brush is visible at top + xx := x+(200-piccenter.x)-dx; + yy := y+(100-piccenter.y)-dy; + disp.gendraw(((xx,yy),(xx+2*dx+1,yy+2*dy+1)), + delight, (x-dx, y-dy), brush, (0,0)); + } + for (i := 0; i < 500; i++) { + disp.draw(disp.r, disp, ones, (0, 10)); + sys->sleep(5); + } +} |
