static bool android_gfx_ctx_get_metrics(void *data,
enum display_metric_types type, float *value)
{
int dpi;
char density[PROP_VALUE_MAX] = {0};
dpi_get_density(density, sizeof(density));
switch (type)
{
case DISPLAY_METRIC_MM_WIDTH:
return false;
case DISPLAY_METRIC_MM_HEIGHT:
return false;
case DISPLAY_METRIC_DPI:
if (density[0] == '\0')
return false;
dpi = atoi(density);
*value = (float)dpi;
break;
case DISPLAY_METRIC_NONE:
default:
*value = 0;
return false;
}
return true;
}
static bool android_gfx_ctx_get_metrics(void *data,
enum display_metric_types type, float *value)
{
static int dpi = -1;
switch (type)
{
case DISPLAY_METRIC_MM_WIDTH:
return false;
case DISPLAY_METRIC_MM_HEIGHT:
return false;
case DISPLAY_METRIC_DPI:
if (dpi == -1)
{
char density[PROP_VALUE_MAX];
density[0] = '\0';
dpi_get_density(density, sizeof(density));
if (string_is_empty(density))
goto dpi_fallback;
dpi = atoi(density);
if (dpi <= 0)
goto dpi_fallback;
}
*value = (float)dpi;
break;
case DISPLAY_METRIC_NONE:
default:
*value = 0;
return false;
}
return true;
dpi_fallback:
/* add a fallback in case the device doesn't report DPI.
* Hopefully fixes issues with the moto G2. */
dpi = 90;
*value = (float)dpi;
return true;
}
static bool gfx_ctx_qnx__get_metrics(void *data,
enum display_metric_types type, float *value)
{
static int dpi = -1;
qnx_ctx_data_t *qnx = (qnx_ctx_data_t*)data;
switch (type)
{
case DISPLAY_METRIC_MM_WIDTH:
return false;
case DISPLAY_METRIC_MM_HEIGHT:
return false;
case DISPLAY_METRIC_DPI:
if (dpi == -1)
{
dpi = dpi_get_density(qnx);
if (dpi <= 0)
goto dpi_fallback;
}
*value = (float)dpi;
break;
case DISPLAY_METRIC_NONE:
default:
*value = 0;
return false;
}
return true;
dpi_fallback:
/* Add a fallback in case the device doesn't report DPI.
* Calculated as an average of all BB10 device DPIs circa 2016. */
dpi = 345;
*value = (float)dpi;
return true;
}
