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PhysicalDisplay: calculate ppi

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This commit is contained in:
李通洲
2023-08-09 16:18:57 +08:00
parent 6c156ebba4
commit 4b57e4261e
2 changed files with 7 additions and 4 deletions
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src/fastfetch.c
+2 -1
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@@ -401,7 +401,8 @@ static inline void printCommandHelp(const char* command)
"Display native resolution height in pixels",
"Display physical width in millimeters",
"Display physical height in millimeters",
"Display physical length in inches"
"Display physical diagonal length in inches",
"Display physical pixels per inch (PPI)"
);
}
else if(ffStrEqualsIgnCase(command, "player-format"))
src/modules/physicaldisplay/physicaldisplay.c
+5 -3
View File
@@ -7,7 +7,7 @@
#include <math.h>
#define FF_PHYSICALDISPLAY_DISPLAY_NAME "Physical Display"
#define FF_PHYSICALDISPLAY_NUM_FORMAT_ARGS 6
#define FF_PHYSICALDISPLAY_NUM_FORMAT_ARGS 7
void ffPrintPhysicalDisplay(FFPhysicalDisplayOptions* options)
{
@@ -32,6 +32,7 @@ void ffPrintPhysicalDisplay(FFPhysicalDisplayOptions* options)
FF_LIST_FOR_EACH(FFPhysicalDisplayResult, display, result)
{
double inch = sqrt(display->physicalWidth * display->physicalWidth + display->physicalHeight * display->physicalHeight) / 25.4;
double ppi = sqrt(display->width * display->width + display->height * display->height) / inch;
if(options->moduleArgs.outputFormat.length == 0)
{
@@ -48,9 +49,9 @@ void ffPrintPhysicalDisplay(FFPhysicalDisplayOptions* options)
}
ffPrintLogoAndKey(key.chars, 0, NULL, &options->moduleArgs.keyColor);
printf("%upx x %upx", display->width, display->height);
printf("%ux%u px", display->width, display->height);
if (inch > 0)
printf(" - %umm x %umm (%.2f inches)\n", display->physicalWidth, display->physicalHeight, inch);
printf(" - %ux%u mm (%.2f inches, %.2f ppi)\n", display->physicalWidth, display->physicalHeight, inch, ppi);
else
putchar('\n');
}
@@ -63,6 +64,7 @@ void ffPrintPhysicalDisplay(FFPhysicalDisplayOptions* options)
{FF_FORMAT_ARG_TYPE_UINT, &display->physicalWidth},
{FF_FORMAT_ARG_TYPE_UINT, &display->physicalHeight},
{FF_FORMAT_ARG_TYPE_DOUBLE, &inch},
{FF_FORMAT_ARG_TYPE_DOUBLE, &ppi},
});
}