set offsets to 0 #5027
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set offsets to 0 #5027
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BeastyBlacksmith
commented
Jan 3, 2025
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| function gr_text_size(str) | ||
| GR.savestate() | ||
| GR.selntran(0) |
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@jheinen can you give what the numbers returned by GR.inqtext mean in terms of the size of the displayed area?
Do they have a unit?
Further down I try to add padding for the labels and somehow I need all kinds of correction factors to make it look good, but I am not sure that it scales well when I change the size of the plot.
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The values are normalized device coordinates. Hopefully, the following example describes how it works:
using GR
charHeight = 0.2
selntran(0)
setcharheight(charHeight)
settextalign(GR.TEXT_HALIGN_CENTER, GR.TEXT_VALIGN_HALF)
setlinecolorind(4)
polyline([0, 1], [0.5 - 0.5 * charHeight, 0.5 - 0.5 * charHeight])
polyline([0, 1], [0.5 + 0.5 * charHeight, 0.5 + 0.5 * charHeight])
setlinecolorind(2)
polyline([0, 1], [0.5 - 0.8 * charHeight, 0.5 - 0.8 * charHeight])
polyline([0, 1], [0.5 + 0.7 * charHeight, 0.5 + 0.7 * charHeight])
settextfontprec(232, GR.TEXT_PRECISION_OUTLINE)
text(0.5, 0.5, "Julia!")
tbx, tby = inqtext(0.5, 0.5, "Julia!")
fillrect(tbx[1], tbx[2], tby[1], tby[3])
updatews()
The lines shown correspond to the vertical alignment attributes top, cap, base, bottom.
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Description
Closes #3942
Ports the changes from #3942, didn't check yet if we need further modifications
Attribution
Things to consider