75 lines
1.4 KiB
Awk
Executable File
75 lines
1.4 KiB
Awk
Executable File
#!/usr/bin/gawk -f
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# compare several fonts
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$1 == "FONT" {
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fontno += 1
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fontname[fontno] = $2
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fontid[fontno] = FILENAME
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name = ""
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code = ""
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}
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$1 == "PIXEL_SIZE" {
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pixelsize[fontno] = $2
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}
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$1 == "STARTCHAR" {
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name = substr($0, 10)
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}
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$1 == "ENCODING" {
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code = sprintf("%8d", $2 + 0)
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charname[code] = name
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}
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$1 == "DWIDTH" {
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width[code,fontno] = $2
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}
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BEGIN {
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PROCINFO["sorted_in"] = "@ind_val_asc"
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threshold = 1;
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show_threshold = 1;
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}
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function abs(x) {
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return x<0? -x: x
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}
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END {
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for(j = 1; j <= fontno; j++) {
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printf("%c. %s\n", j+96, fontid[j]);
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}
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n = asorti(charname, g)
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for(j = 1; j <= n; j += 1) {
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i = g[j]
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ws = hs = ns = 0
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for(k = 1; k <= fontno; k += 1) if(i SUBSEP k in width) {
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ws += width[i,k]
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hs += pixelsize[k]
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ns += 1
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}
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mdx = 0
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aprop = ws/hs
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for(k = 1; k <= fontno; k += 1) if(i SUBSEP k in width) {
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dx = abs(width[i,k] - pixelsize[k]*aprop)
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if(mdx < dx) mdx = dx
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}
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if(1 < ns && show_threshold < mdx) {
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printf("%6X ", i)
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for(k = 1; k <= fontno; k += 1)
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if(i SUBSEP k in width) {
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dx = width[i,k] - pixelsize[k]*aprop;
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if(threshold < dx) printf("\x1B[41m");
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if(dx < -threshold) printf("\x1B[44m");
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printf("%3d %+5.1f\x1B[0m ", width[i,k], width[i,k] - pixelsize[k]*aprop)
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} else {
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printf(" ")
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}
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printf("%5.2f %s\n", aprop, charname[i])
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}
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}
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printf("\n")
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}
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