font: move metrics from terminal struct to font struct

font.c

@@ -245,6 +245,22 @@ from_font_set(FcPattern *pattern, FcFontSet *fonts, int start_idx,
         font->glyph_cache = calloc(cache_size, sizeof(font->glyph_cache[0]));
     }
 
+    double max_x_advance = ft_face->size->metrics.max_advance / 64.;
+    double height= ft_face->size->metrics.height / 64.;
+    double descent = ft_face->size->metrics.descender / 64.;
+    double ascent = ft_face->size->metrics.ascender / 64.;
+
+    font->height = ceil(height * font->pixel_size_fixup);
+    font->descent = ceil(-descent * font->pixel_size_fixup);
+    font->ascent = ceil(ascent * font->pixel_size_fixup);
+    font->max_x_advance = ceil(max_x_advance * font->pixel_size_fixup);
+
+    LOG_DBG("%s: size=%f, pixel-size=%f, dpi=%f, fixup-factor: %f, "
+            "line-height: %d, ascent: %d, descent: %d, x-advance: %d",
+            font->name, size, pixel_size, dpi, font->pixel_size_fixup,
+            font->height, font->ascent, font->descent,
+            font->max_x_advance);
+
     underline_strikeout_metrics(font);
     return true;
 }

font.h

@@ -46,6 +46,12 @@ struct font {
     double pixel_size_fixup; /* Scale factor - should only be used with ARGB32 glyphs */
     bool bgr;  /* True for FC_RGBA_BGR and FC_RGBA_VBGR */
 
+    /* font extents */
+    int height;
+    int descent;
+    int ascent;
+    int max_x_advance;
+
     struct {
         int position;
         int thickness;

render.c

@@ -83,19 +83,19 @@ pixman_color_dim_for_search(pixman_color_t *color)
 static inline int
 font_baseline(const struct terminal *term)
 {
-    assert(term->fextents.ascent >= 0);
-    assert(term->fextents.descent >= 0);
+    assert(term->fonts[0]->ascent >= 0);
+    assert(term->fonts[0]->descent >= 0);
 
-    int diff = term->fextents.height - (term->fextents.ascent + term->fextents.descent);
+    int diff = term->fonts[0]->height - (term->fonts[0]->ascent + term->fonts[0]->descent);
 
 #if 0
     LOG_INFO("height=%d, ascent=%d, descent=%d, diff=%d",
-             term->fextents.height,
-             term->fextents.ascent, term->fextents.descent,
+             term->fonts[0]->height,
+             term->fonts[0]->ascent, term->fonts[0]->descent,
              diff);
 #endif
 
-    return term->fextents.height - diff / 2 - term->fextents.descent;
+    return term->fonts[0]->height - diff / 2 - term->fonts[0]->descent;
 }
 
 static void
@@ -103,12 +103,12 @@ draw_bar(const struct terminal *term, pixman_image_t *pix,
          const struct font *font,
          const pixman_color_t *color, int x, int y)
 {
-    int baseline = y + font_baseline(term) - term->fextents.ascent;
+    int baseline = y + font_baseline(term) - term->fonts[0]->ascent;
     pixman_image_fill_rectangles(
         PIXMAN_OP_SRC, pix, color,
         1, &(pixman_rectangle16_t){
             x, baseline,
-            font->underline.thickness, term->fextents.ascent + term->fextents.descent});
+            font->underline.thickness, term->fonts[0]->ascent + term->fonts[0]->descent});
 }
 
 static void
@@ -280,7 +280,7 @@ render_cell(struct terminal *term, pixman_image_t *pix,
             if (!(cell->attrs.blink && term->blink.state == BLINK_OFF)) {
                 pixman_image_composite32(
                     PIXMAN_OP_OVER, glyph->pix, NULL, pix, 0, 0, 0, 0,
-                    x + glyph->x, y + term->fextents.ascent - glyph->y,
+                    x + glyph->x, y + term->fonts[0]->ascent - glyph->y,
                     glyph->width, glyph->height);
             }
         } else {
@@ -289,7 +289,7 @@ render_cell(struct terminal *term, pixman_image_t *pix,
             pixman_image_t *src = pixman_image_create_solid_fill(&fg);
             pixman_image_composite32(
                 PIXMAN_OP_OVER, src, glyph->pix, pix, 0, 0, 0, 0,
-                x + glyph->x, y + term->fextents.ascent - glyph->y,
+                x + glyph->x, y + term->fonts[0]->ascent - glyph->y,
                 glyph->width, glyph->height);
             pixman_image_unref(src);
         }
@@ -786,7 +786,7 @@ render_search_box(struct terminal *term)
         pixman_image_t *src = pixman_image_create_solid_fill(&fg);
         pixman_image_composite32(
             PIXMAN_OP_OVER, src, glyph->pix, buf->pix, 0, 0, 0, 0,
-            x + glyph->x, y + term->fextents.ascent - glyph->y,
+            x + glyph->x, y + term->fonts[0]->ascent - glyph->y,
             glyph->width, glyph->height);
         pixman_image_unref(src);
 

terminal.c

@@ -377,21 +377,6 @@ initialize_fonts(struct terminal *term, const struct config *conf)
     }
 
     tll_free(font_names);
-
-    FT_Face ft_face = term->fonts[0]->face;
-    int max_x_advance = ft_face->size->metrics.max_advance / 64;
-    int height = ft_face->size->metrics.height / 64;
-    int descent = ft_face->size->metrics.descender / 64;
-    int ascent = ft_face->size->metrics.ascender / 64;
-
-    term->fextents.height = height * term->fonts[0]->pixel_size_fixup;
-    term->fextents.descent = -descent * term->fonts[0]->pixel_size_fixup;
-    term->fextents.ascent = ascent * term->fonts[0]->pixel_size_fixup;
-    term->fextents.max_x_advance = max_x_advance * term->fonts[0]->pixel_size_fixup;
-
-    LOG_DBG("metrics: height: %d, descent: %d, ascent: %d, x-advance: %d",
-            height, descent, ascent, max_x_advance);
-
     return true;
 }
 
@@ -529,8 +514,8 @@ term_init(const struct config *conf, struct fdm *fdm, struct wayland *wayl,
         goto err;
 
     /* Cell dimensions are based on the font metrics. Obviously */
-    term->cell_width = (int)ceil(term->fextents.max_x_advance);
-    term->cell_height = (int)ceil(term->fextents.height);
+    term->cell_width = term->fonts[0]->max_x_advance;
+    term->cell_height = term->fonts[0]->height;
     LOG_INFO("cell width=%d, height=%d", term->cell_width, term->cell_height);
 
     /* Start the slave/client */

terminal.h

@@ -265,12 +265,6 @@ struct terminal {
     struct grid *grid;
 
     struct font *fonts[4];
-    struct {
-        int height;
-        int descent;
-        int ascent;
-        int max_x_advance;
-    } fextents;
 
     tll(int) tab_stops;