Changeset d2100e2 in mainline for uspace/lib/gfxfont/src/glyph.c

Timestamp:

2020-08-09T18:40:28Z (4 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

06b8383

Parents:

5592c56

Message:

Finish glyph bitmap operations and tests

Setting/getting pixel, opening/saving glyph bitmap.

File:

• uspace/lib/gfxfont/src/glyph.c (modified) (2 diffs)

uspace/lib/gfxfont/src/glyph.c

@@ -36 +36 @@
 #include <assert.h>
 #include <errno.h>
+#include <gfx/bitmap.h>
 #include <gfx/glyph.h>
+#include <io/pixelmap.h>
 #include <mem.h>
 #include <stdlib.h>
@@ -252 +254 @@
 }
 
+/** Transfer glyph to new font bitmap.
+ *
+ * @param glyph Glyph
+ * @param offs Offset in new font bitmap
+ * @param dest New font bitmap
+ * @param drect Bounding rectangle for @a dest
+ *
+ * @return EOK on success or an error code
+ */
+errno_t gfx_glyph_transfer(gfx_glyph_t *glyph, gfx_coord_t offs,
+    gfx_bitmap_t *dest, gfx_rect_t *drect)
+{
+        pixelmap_t smap;
+        pixelmap_t dmap;
+        gfx_bitmap_alloc_t salloc;
+        gfx_bitmap_alloc_t dalloc;
+        gfx_coord_t x, y;
+        pixel_t pixel;
+        errno_t rc;
+
+        rc = gfx_bitmap_get_alloc(glyph->font->bitmap, &salloc);
+        if (rc != EOK)
+                return rc;
+
+        rc = gfx_bitmap_get_alloc(dest, &dalloc);
+        if (rc != EOK)
+                return rc;
+
+        smap.width = glyph->font->rect.p1.x;
+        smap.height = glyph->font->rect.p1.y;
+        smap.data = salloc.pixels;
+
+        dmap.width = drect->p1.x;
+        dmap.height = drect->p1.y;
+        dmap.data = dalloc.pixels;
+
+        for (y = drect->p0.y; y < drect->p1.y; y++) {
+                for (x = drect->p0.x; x < drect->p1.x; x++) {
+                        pixel = pixelmap_get_pixel(&smap, x, y);
+                        pixelmap_put_pixel(&dmap, x + offs, y, pixel);
+                }
+        }
+
+        return EOK;
+}
+
 /** @}
  */