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Merge branch 'fp-calc-dpi'

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Closes #1209
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Daniel Eklöf 2022-11-22 09:34:53 +01:00
commit 4d2b8a993f
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2 changed files with 14 additions and 3 deletions
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3
CHANGELOG.md
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@ -64,6 +64,7 @@
("permanently reset") instead of `2` ("reset") for DEC private
modes that are known but unsupported.
* Set `PWD` environment variable in the slave process ([#1179][1179]).
* DPI is now forced to 96 when found to be unreasonably high.
[1166]: https://codeberg.org/dnkl/foot/issues/1166
[1179]: https://codeberg.org/dnkl/foot/issues/1179
@ -94,10 +95,12 @@
* Background transparency being applied to the text "behind" the
cursor. Only applies to block cursor using inversed fg/bg
colors. ([#1205][1205]).
* Crash when monitor’s physical size is "too small" ([#1209][1209]).
[1173]: https://codeberg.org/dnkl/foot/issues/1173
[1190]: https://codeberg.org/dnkl/foot/issues/1190
[1205]: https://codeberg.org/dnkl/foot/issues/1205
[1209]: https://codeberg.org/dnkl/foot/issues/1209
### Security

14
wayland.c
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@ -370,8 +370,8 @@ output_update_ppi(struct monitor *mon)
if (mon->dim.mm.width <= 0 || mon->dim.mm.height <= 0)
return;
int x_inches = mon->dim.mm.width * 0.03937008;
int y_inches = mon->dim.mm.height * 0.03937008;
double x_inches = mon->dim.mm.width * 0.03937008;
double y_inches = mon->dim.mm.height * 0.03937008;
mon->ppi.real.x = mon->dim.px_real.width / x_inches;
mon->ppi.real.y = mon->dim.px_real.height / y_inches;
@ -407,8 +407,16 @@ output_update_ppi(struct monitor *mon)
mon->ppi.scaled.x = scaled_width / x_inches;
mon->ppi.scaled.y = scaled_height / y_inches;
float px_diag = sqrt(pow(scaled_width, 2) + pow(scaled_height, 2));
double px_diag = sqrt(pow(scaled_width, 2) + pow(scaled_height, 2));
mon->dpi = px_diag / mon->inch * mon->scale;
if (mon->dpi > 1000) {
if (mon->name != NULL) {
LOG_WARN("%s: DPI=%f is unreasonable, using 96 instead",
mon->name, mon->dpi);
}
mon->dpi = 96;
}
}
static void