Changeset efca2e4 in mainline for uspace/lib/gfxfont/src/glyph_bmp.c

Timestamp:

2020-09-25T17:40:47Z (4 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

dd65f4f7

Parents:

16357ec

git-author:

Jiri Svoboda <jiri@…> (2020-09-24 19:40:35)

git-committer:

Jiri Svoboda <jiri@…> (2020-09-25 17:40:47)

Message:

Clear glyph using Ctrl-X

File:

• uspace/lib/gfxfont/src/glyph_bmp.c (modified) (1 diff)

uspace/lib/gfxfont/src/glyph_bmp.c

@@ -229 +229 @@
 }
 
+/** Clear glyph bitmap
+ *
+ * @param bmp Glyph bitmap
+ *
+ * @return EOK on sucesss, ENOMEM if out of memory
+ */
+errno_t gfx_glyph_bmp_clear(gfx_glyph_bmp_t *bmp)
+{
+        int *npixels;
+
+        /* Allocate new pixel array */
+        npixels = calloc(sizeof(int), 1);
+        if (npixels == NULL)
+                return ENOMEM;
+
+        /* Switch new and old data */
+        free(bmp->pixels);
+        bmp->pixels = npixels;
+        bmp->rect.p0.x = 0;
+        bmp->rect.p0.y = 0;
+        bmp->rect.p1.x = 0;
+        bmp->rect.p1.y = 0;
+
+        return EOK;
+}
+
 /** Extend glyph bitmap to cover a patricular pixel.
  *