diff options
| -rw-r--r-- | textscreen/txt_sdl.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/textscreen/txt_sdl.c b/textscreen/txt_sdl.c index d098d196..74e4cd3f 100644 --- a/textscreen/txt_sdl.c +++ b/textscreen/txt_sdl.c @@ -122,6 +122,34 @@ static SDL_Color ega_colors[] = #endif +#ifdef _WIN32 + +#define WIN32_LEAN_AND_MEAN +#include <windows.h> + +// Examine system DPI settings to determine whether to use the large font. + +static int Win32_UseLargeFont(void) +{ + HDC hdc = GetDC(NULL); + int dpix; + + if (!hdc) + { + return 0; + } + + dpix = GetDeviceCaps(hdc, LOGPIXELSX); + ReleaseDC(NULL, hdc); + + // 144 is the DPI when using "150%" scaling. If the user has this set + // then consider this an appropriate threshold for using the large font. + + return dpix >= 144; +} + +#endif + static txt_font_t *FontForName(char *name) { if (!strcmp(name, "small")) @@ -194,10 +222,20 @@ static void ChooseFont(void) { font = &small_font; } +#ifdef _WIN32 + // On Windows we can use the system DPI settings to make a + // more educated guess about whether to use the large font. + + else if (Win32_UseLargeFont()) + { + font = &large_font; + } +#else else if (info->current_w >= 1920 && info->current_h >= 1080) { font = &large_font; } +#endif else { font = &main_font; |