Fix drawing issues (there is still some left)

Signed-off-by: Mattias Andrée <maandree@kth.se>

1 files changed, 27 insertions, 0 deletions

diff --git a/libskrift_draw_text.c b/libskrift_draw_text.c
new file mode 100644
index 0000000..8f46df4
--- /dev/null
+++ b/libskrift_draw_text.c
@@ -0,0 +1,27 @@
+/* See LICENSE file for copyright and license details. */
+#include "common.h"
+
+int
+libskrift_draw_text(LIBSKRIFT_CONTEXT *ctx, const char *text, const struct libskrift_colour *colour,
+                    int16_t x, int16_t y, struct libskrift_image *image)
+{
+	struct libskrift_saved_grapheme saved = LIBSKRIFT_NO_SAVED_GRAPHEME;
+	struct libskrift_glyph *glyph;
+	double xpos = 0;
+	ssize_t len;
+	int r;
+
+	for (; *text; text += len) {
+		len = libskrift_get_cluster_glyph(ctx, text, &saved, xpos, 0, &glyph);
+		if (len < 0)
+			return -1;
+
+		r = libskrift_apply_glyph(ctx, glyph, colour, x, y, image);
+		xpos += glyph->advance;
+		free(glyph);
+		if (r)
+			return -1;
+	}
+
+	return 0;
+}