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Add support for fonts with different aspect ratio #65

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Add support for fonts with different aspect ratio #65

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1 change: 1 addition & 0 deletions completion/_catimg
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Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,7 @@ _arguments \
'-r[force the resolution of the image]: :->resolution' \
'-t[disable true color and use 256 color instead]' \
'-w[specify the width of the displayed image]' \
'-a[specify the aspect ratio multiplier of the font]' \
'*: :_files' && ret=0

[[ "$state" == 'resolution' ]] && _values 'resolution value' 1 2 && ret=0
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31 changes: 22 additions & 9 deletions src/catimg.c
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,8 @@
"looping\n" \
" -r: Resolution must be 1 or 2. By default catimg checks for unicode support to " \
"use higher resolution\n" \
" -a: Font aspect ratio multiplier. For a condensed font, use values greater than " \
"1.0, for wider fonts, less than 1.0\n" \
" -c: Convert colors to a restricted palette\n" \
" -t: Disables true color (24-bit) support, falling back to 256 color\n"

Expand Down Expand Up @@ -76,9 +78,10 @@ int main(int argc, char *argv[])
uint8_t convert = 0;
uint8_t true_color = 1;
uint8_t adjust_to_height = 0, adjust_to_width = 0;
float scale_cols = 0, scale_rows = 0;
float scale_cols = 1.0, scale_rows = 1.0;
float aspect = 1.0;

while ((c = getopt (argc, argv, "H:w:l:r:hct")) != -1)
while ((c = getopt (argc, argv, "H:w:l:r:a:hct")) != -1)
switch (c) {
case 'H':
rows = strtol(optarg, &num, 0);
Expand Down Expand Up @@ -106,6 +109,9 @@ int main(int argc, char *argv[])
case 'r':
precision = strtol(optarg, &num, 0);
break;
case 'a':
aspect = strtof(optarg, &num);
break;
case 'h':
printf(USAGE);
exit(0);
Expand Down Expand Up @@ -150,17 +156,24 @@ int main(int argc, char *argv[])
scale_rows = max_rows / (float)img.height;
if (adjust_to_height && scale_rows < scale_cols && max_rows < img.height)
// rows == 0 and adjust_to_height > adjust to height instead of width
img_resize(&img, scale_rows, scale_rows);
scale_cols = scale_rows;
else if (max_cols < img.width)
img_resize(&img, scale_cols, scale_cols);
scale_rows = scale_cols;
else scale_rows = scale_cols = 1.0;
} else if (cols > 0 && cols < img.width) {
scale_cols = cols / (float)img.width;
img_resize(&img, scale_cols, scale_cols);
} else if (rows > 0 && rows < img.height) {
scale_rows = rows / (float)img.height;
img_resize(&img, scale_rows, scale_rows);
scale_cols = scale_rows = cols / (float)img.width;
} else if (rows > 0 && rows < img.height) {
scale_cols = scale_rows = rows / (float)img.height;
}

if (aspect > 1.0) {
scale_rows /= aspect;
} else {
scale_cols *= aspect;
}

img_resize(&img, scale_cols, scale_rows);

if (convert)
img_convert_colors(&img);
/*printf("Loaded %s: %ux%u. Console width: %u\n", file, img.width, img.height, cols);*/
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