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feat: update documentation and comments for resizable display resolution factors

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Reynaldo San Juan 2025-09-14 10:17:36 +02:00
parent a2bd8b5531
commit e568d07c3b
3 changed files with 12 additions and 22 deletions
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6
app/src/cli.c
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@ -632,9 +632,9 @@ static const struct sc_option options[] = {
" --new-display=1920x1080\n"
" --new-display=1920x1080/420 # force 420 dpi\n"
" --new-display=1920x1080/420:r # resizable display\n"
" --new-display=1920x1080/420:r2.0 # resizable with 2x resolution\n"
" --new-display=:r0.5 # resizable with main display size and half resolution\n"
" --new-display=/420:r1.5 # resizable with main display size, 420 dpi and 1.5x resolution\n"
" --new-display=1920x1080/420:r2.0 # resizable with 2x factor\n"
" --new-display=:r0.5 # resizable with main display size and 0.5x factor\n"
" --new-display=/420:r1.5 # resizable with main display size, 420 dpi and 1.5x factor\n"
" --new-display # main display size and density\n"
" --new-display=/240 # main display size and 240 dpi",
},

22
app/src/scrcpy.c
View file

@ -806,12 +806,11 @@ aoa_complete:
bool resizable_new_display = false;
float resolution_factor = 1.0f;
bool auto_resolution_factor = false;
if (options->new_display) {
const char *r_pos = strstr(options->new_display, ":r");
if (r_pos) {
resizable_new_display = true;
// Check if there's a resolution factor after ":r"
const char *factor_start = r_pos + 2; // Skip ":r"
if (*factor_start && (*factor_start >= '0' && *factor_start <= '9')) {
@ -833,41 +832,32 @@ aoa_complete:
}
}
// Si se solicitó cálculo automático del factor de resolución, calcularlo basado en el tamaño de la pantalla principal
// If automatic resolution factor calculation was requested, calculate it based on the main display size
if (auto_resolution_factor && resizable_new_display) {
// Obtener el tamaño de la pantalla principal
// Get the main display size
SDL_Rect display_bounds;
if (SDL_GetDisplayUsableBounds(0, &display_bounds) == 0) {
// Calcular el factor de resolución basado en la relación entre el tamaño de la pantalla
// y el tamaño de la ventana solicitado
// Calculate the resolution factor based on the ratio between the display size and the requested window size
int display_width = display_bounds.w;
int display_height = display_bounds.h;
// Usar el tamaño de ventana solicitado o un valor predeterminado
int window_width = options->window_width ? options->window_width : display_width / 2;
int window_height = options->window_height ? options->window_height : display_height / 2;
// Calcular el factor como la relación entre el tamaño de la pantalla y el tamaño de la ventana
// Usar el menor de los factores para evitar que la ventana sea más grande que la pantalla
float width_factor = (float)display_width / window_width;
float height_factor = (float)display_height / window_height;
resolution_factor = width_factor < height_factor ? width_factor : height_factor;
// Limitar el factor entre 0.1 y 10.0
if (resolution_factor < 0.1f) {
resolution_factor = 0.1f;
} else if (resolution_factor > 10.0f) {
resolution_factor = 10.0f;
}
LOGI("Calculated automatic resolution factor: %.2f (display: %dx%d, window: %dx%d)",
LOGI("Calculated automatic resolution factor: %.2f (display: %dx%d, window: %dx%d)",
resolution_factor, display_width, display_height, window_width, window_height);
} else {
LOGW("Could not get display bounds, using default resolution factor: 1.0");
resolution_factor = 1.0f;
}
}
struct sc_screen_params screen_params = {
.video = options->video_playback,
.controller = controller,

6
doc/virtual_display.md
View file

@ -15,9 +15,9 @@ You can make the display resizable by adding `:r` to the option. Additionally, y
```bash
scrcpy --new-display=1920x1080:r # resizable display
scrcpy --new-display=1920x1080:r2.0 # resizable with 2x resolution
scrcpy --new-display=:r0.5 # resizable with half resolution
scrcpy --new-display=/420:r1.5 # resizable with 1.5x resolution
scrcpy --new-display=1920x1080:r2.0 # resizable with 2x factor
scrcpy --new-display=:r0.5 # resizable with 0.5x factor
scrcpy --new-display=/420:r1.5 # resizable with 1.5x factor
```
The resolution factor must be between 0.1 and 10.0.