Mercurial > repos > ImageTools / file comparison
comparison: src/Visualise.jl
src/Visualise.jl
- changeset 34
- fe9ef03a91b2
- parent 27
- 51bb83c404a4
- child 54
- 471f9f64ff2d
- child 60
- dcfc38ade15b
equal
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replaced
| 33:b351c5c65450 | 34:fe9ef03a91b2 |
|---|---|
| 76 grayGR = x -> begin | 76 grayGR = x -> begin |
| 77 y = round(UInt32, 0xff*clip(x)) | 77 y = round(UInt32, 0xff*clip(x)) |
| 78 return 0x010101*y + 0xff000000 | 78 return 0x010101*y + 0xff000000 |
| 79 end | 79 end |
| 80 | 80 |
| 81 function do_visualise(imgs; refresh=true) | 81 function fill_viewport(vp, c) |
| 82 GR.savestate() | |
| 83 GR.selntran(0) | |
| 84 GR.setscale(0) | |
| 85 GR.setfillintstyle(GR.INTSTYLE_SOLID) | |
| 86 GR.setfillcolorind(c) | |
| 87 GR.fillrect(vp...) | |
| 88 GR.selntran(1) | |
| 89 GR.restorestate() | |
| 90 end | |
| 91 | |
| 92 function do_visualise(imgs; refresh=true, fullscreen=false) | |
| 82 n = length(imgs) | 93 n = length(imgs) |
| 83 # Get device dimensions in metres and pixels | 94 # Get device dimensions in metres and pixels |
| 84 scrw, scrh, pw, ph = GR.inqdspsize() | 95 scrw, scrh, pw, ph = GR.inqdspsize() |
| 85 aspect = n > 0 ? Float64(size(imgs[1], 1))/Float64(size(imgs[1], 2)) : 1 | 96 imgaspect = n > 0 ? float(size(imgs[1], 1))/float(size(imgs[1], 2)) : 1 |
| 86 # Scaling to maximums ize window | 97 # Scaling to maximum size window |
| 87 sc=0.7 | 98 sc=0.7 |
| 88 # Set up window and transformations | 99 # Set up window and transformations |
| 89 GR.clearws() | 100 GR.clearws() |
| 90 GR.setscale(0); | 101 GR.setscale(0); |
| 91 GR.selntran(1) | 102 GR.selntran(1) |
| 92 # - First OS window size | 103 # - First OS window size |
| 93 if scrw/n>scrh | 104 if fullscreen |
| 94 GR.setwsviewport(0, sc*scrh*n, 0, sc*scrh*aspect) | 105 w, h = float(scrw), float(scrh) |
| 95 else | 106 elseif scrw/n>scrh |
| 96 GR.setwsviewport(0, sc*scrw, 0, sc*scrw/n*aspect) | 107 w, h = float(sc*scrh*n), float(sc*scrh*imgaspect) |
| 97 end | 108 else |
| 98 # - Part of normalised window shown | 109 w, h = float(sc*scrw), float(sc*scrw/n*imgaspect) |
| 99 GR.setwswindow(0, 1, 0, 1/n*aspect); | 110 end |
| 100 GR.setviewport(0, 1, 0, 1/n*aspect); | 111 GR.setwsviewport(0, w, 0, h) |
| 101 # World coordinates | 112 # NDC to device |
| 102 GR.setwindow(0, n, 0, aspect) | 113 if w>h |
| 114 canvas=[0, 1, 0, h/w] | |
| 115 else | |
| 116 canvas=[0, w/h, 0, 1] | |
| 117 end | |
| 118 GR.setwswindow(canvas...) | |
| 119 fill_viewport(canvas, 1) | |
| 120 # World coordinates to NDC | |
| 121 if imgaspect/n<h/w | |
| 122 y0 = (canvas[3]+canvas[4])/2 | |
| 123 ww = (canvas[2]-canvas[1])/2 | |
| 124 y1 = y0-ww*(imgaspect/n) | |
| 125 y2 = y0+ww*(imgaspect/n) | |
| 126 GR.setviewport(canvas[1], canvas[2], y1, y2) | |
| 127 else | |
| 128 x0 = (canvas[1]+canvas[2])/2 | |
| 129 hh = (canvas[4]-canvas[3])/2 | |
| 130 x1 = x0-hh*(n/imgaspect) | |
| 131 x2 = x0+hh*(n/imgaspect) | |
| 132 GR.setviewport(x1, x2, canvas[3], canvas[4]) | |
| 133 end | |
| 134 GR.setwindow(0, n, 0, 1) | |
| 135 # Clear background | |
| 103 # Plot images | 136 # Plot images |
| 104 for i=1:n | 137 for i=1:n |
| 105 im = imgs[i]' | 138 im = imgs[i]' |
| 106 sz = size(im) | 139 sz = size(im) |
| 107 GR.drawimage(i-1, i, 0, aspect, sz[1], sz[2], grayGR.(im)) | 140 GR.drawimage(i-1, i, 0, 1, sz[1], sz[2], grayGR.(im)) |
| 108 end | 141 end |
| 109 if refresh | 142 if refresh |
| 110 GR.updatews() | 143 GR.updatews() |
| 111 end | 144 end |
| 112 end | 145 end |
