Changeset 83b4a13b in mainline for uspace/app/fontedit/fontedit.c

Timestamp:

2020-10-05T10:07:05Z (4 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

25f2983b

Parents:

49382384

git-author:

Jiri Svoboda <jiri@…> (2020-10-03 10:06:51)

git-committer:

Jiri Svoboda <jiri@…> (2020-10-05 10:07:05)

Message:

Set proper values for font ascent, descent, leading

File:

• uspace/app/fontedit/fontedit.c (modified) (4 diffs)

uspace/app/fontedit/fontedit.c

@@ -110 +110 @@
 }
 
+/** Adjust font ascent.
+ *
+ * @param fedit Font editor
+ */
+static void font_edit_adjust_ascent(font_edit_t *fedit, gfx_coord_t change)
+{
+        gfx_font_metrics_t fmetrics;
+
+        gfx_font_get_metrics(fedit->font, &fmetrics);
+        fmetrics.ascent += change;
+        (void) gfx_font_set_metrics(fedit->font, &fmetrics);
+
+        printf("New ascent: %d\n", fmetrics.ascent);
+        font_edit_paint(fedit);
+}
+
+/** Adjust font descent.
+ *
+ * @param fedit Font editor
+ */
+static void font_edit_adjust_descent(font_edit_t *fedit, gfx_coord_t change)
+{
+        gfx_font_metrics_t fmetrics;
+
+        gfx_font_get_metrics(fedit->font, &fmetrics);
+        fmetrics.descent += change;
+        (void) gfx_font_set_metrics(fedit->font, &fmetrics);
+
+        printf("New descent: %d\n", fmetrics.descent);
+        font_edit_paint(fedit);
+}
+
+/** Adjust font leading.
+ *
+ * @param fedit Font editor
+ */
+static void font_edit_adjust_leading(font_edit_t *fedit, gfx_coord_t change)
+{
+        gfx_font_metrics_t fmetrics;
+
+        gfx_font_get_metrics(fedit->font, &fmetrics);
+        fmetrics.leading += change;
+        (void) gfx_font_set_metrics(fedit->font, &fmetrics);
+
+        printf("New leading: %d\n", fmetrics.leading);
+        font_edit_paint(fedit);
+}
+
 /** Handle font editor position event.
  *
@@ -216 +264 @@
         case KC_4:
                 font_edit_adjust_advance(fedit, +1);
+                break;
+        case KC_5:
+                font_edit_adjust_ascent(fedit, -1);
+                break;
+        case KC_6:
+                font_edit_adjust_ascent(fedit, +1);
+                break;
+        case KC_7:
+                font_edit_adjust_descent(fedit, -1);
+                break;
+        case KC_8:
+                font_edit_adjust_descent(fedit, +1);
+                break;
+        case KC_9:
+                font_edit_adjust_leading(fedit, -1);
+                break;
+        case KC_0:
+                font_edit_adjust_leading(fedit, +1);
                 break;
         case KC_X:
@@ -432 +498 @@
         gfx_rect_t rect;
         gfx_rect_t grect;
+        gfx_font_metrics_t fmetrics;
         gfx_glyph_metrics_t gmetrics;
         errno_t rc;
         int x, y;
         int pix;
+
+        /* Display font baseline, ascent, descent, leading */
+
+        gfx_font_get_metrics(fedit->font, &fmetrics);
+
+        rc = gfx_color_new_rgb_i16(0, 0x4000, 0x4000, &color);
+        if (rc != EOK)
+                goto error;
+
+        rc = gfx_set_color(fedit->gc, color);
+        if (rc != EOK)
+                goto error;
+
+        font_edit_gpix_to_disp(fedit, 0, 0, &rect);
+        rect.p1.x += 100;
+
+        rc = gfx_fill_rect(fedit->gc, &rect);
+        if (rc != EOK)
+                goto error;
+
+        font_edit_gpix_to_disp(fedit, 0, -fmetrics.ascent, &rect);
+        rect.p1.x += 100;
+
+        rc = gfx_fill_rect(fedit->gc, &rect);
+        if (rc != EOK)
+                goto error;
+
+        font_edit_gpix_to_disp(fedit, 0, fmetrics.descent, &rect);
+        rect.p1.x += 100;
+
+        rc = gfx_fill_rect(fedit->gc, &rect);
+        if (rc != EOK)
+                goto error;
+
+        font_edit_gpix_to_disp(fedit, 0, fmetrics.descent +
+            fmetrics.leading, &rect);
+        rect.p1.x += 100;
+
+        rc = gfx_fill_rect(fedit->gc, &rect);
+        if (rc != EOK)
+                goto error;
+
+        gfx_color_delete(color);
+
+        /* Display glyph */
 
         rc = gfx_color_new_rgb_i16(0xffff, 0xffff, 0xffff, &color);
@@ -464 +576 @@
 
         gfx_color_delete(color);
+
 
         /* Display glyph origin and advance */