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Scale font height rather than oversampling

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This commit is contained in:
Kristian Bolino 2022-03-16 16:47:36 -04:00
parent 779c420d06
commit 04eac1db2a
1 changed files with 17 additions and 28 deletions
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45
demo/sdl_renderer/main.c
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@ -76,10 +76,7 @@ main(int argc, char *argv[])
SDL_Renderer *renderer;
int running = 1;
int flags = 0;
/* Nuklear settings */
unsigned char oversample_h = 1;
unsigned char oversample_v = 1;
float font_scale = 1;
/* GUI */
struct nk_context *ctx;
@ -126,12 +123,7 @@ main(int argc, char *argv[])
scale_x = (float)(render_w) / (float)(window_w);
scale_y = (float)(render_h) / (float)(window_h);
SDL_RenderSetScale(renderer, scale_x, scale_y);
if (scale_x > 1) {
oversample_h = 3 * nk_iceilf(scale_x);
}
if (scale_y > 1) {
oversample_v = nk_iceilf(scale_y);
}
font_scale = scale_y;
}
/* GUI */
@ -141,28 +133,25 @@ main(int argc, char *argv[])
{
struct nk_font_atlas *atlas;
struct nk_font_config config = nk_font_config(0);
struct nk_font *default_font, *droid, *roboto, *future, *clean, *tiny, *cousine;
struct nk_font *font;
/* oversample the fonts for high-DPI displays */
if (oversample_h > config.oversample_h) {
config.oversample_h = oversample_h;
}
if (oversample_v > config.oversample_v) {
config.oversample_v = oversample_v;
}
/* set up the font atlas and add desired fonts */
/* set up the font atlas and add desired font; note that font sizes are
* multiplied by font_scale to produce better results at higher DPIs */
nk_sdl_font_stash_begin(&atlas);
default_font = nk_font_atlas_add_default(atlas, 13, &config);
/*droid = nk_font_atlas_add_from_file(atlas, "../../../extra_font/DroidSans.ttf", 14, &config);*/
/*roboto = nk_font_atlas_add_from_file(atlas, "../../../extra_font/Roboto-Regular.ttf", 16, &config);*/
/*future = nk_font_atlas_add_from_file(atlas, "../../../extra_font/kenvector_future_thin.ttf", 13, &config);*/
/*clean = nk_font_atlas_add_from_file(atlas, "../../../extra_font/ProggyClean.ttf", 12, &config);*/
/*tiny = nk_font_atlas_add_from_file(atlas, "../../../extra_font/ProggyTiny.ttf", 10, &config);*/
/*cousine = nk_font_atlas_add_from_file(atlas, "../../../extra_font/Cousine-Regular.ttf", 13, &config);*/
font = nk_font_atlas_add_default(atlas, 13 * font_scale, &config);
/*font = nk_font_atlas_add_from_file(atlas, "../../../extra_font/DroidSans.ttf", 14 * font_scale, &config);*/
/*font = nk_font_atlas_add_from_file(atlas, "../../../extra_font/Roboto-Regular.ttf", 16 * font_scale, &config);*/
/*font = nk_font_atlas_add_from_file(atlas, "../../../extra_font/kenvector_future_thin.ttf", 13 * font_scale, &config);*/
/*font = nk_font_atlas_add_from_file(atlas, "../../../extra_font/ProggyClean.ttf", 12 * font_scale, &config);*/
/*font = nk_font_atlas_add_from_file(atlas, "../../../extra_font/ProggyTiny.ttf", 10 * font_scale, &config);*/
/*font = nk_font_atlas_add_from_file(atlas, "../../../extra_font/Cousine-Regular.ttf", 13 * font_scale, &config);*/
nk_sdl_font_stash_end();
/* this hack makes the font appear to be scaled down to the desired
* size and is only necessary when font_scale > 1 */
font->handle.height /= font_scale;
/*nk_style_load_all_cursors(ctx, atlas->cursors);*/
nk_style_set_font(ctx, &default_font->handle);
nk_style_set_font(ctx, &font->handle);
}
#ifdef INCLUDE_STYLE