First commit

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

1 files changed, 73 insertions, 0 deletions

diff --git a/demo.c b/demo.c
new file mode 100644
index 0000000..79cf920
--- /dev/null
+++ b/demo.c
@@ -0,0 +1,73 @@
+/* See LICENSE file for copyright and license details. */
+#include "libskrift.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <grapheme.h>
+
+int
+main(void)
+{
+	LIBSKRIFT_FONT *font;
+	LIBSKRIFT_CONTEXT *ctx;
+	struct libskrift_glyph *glyph;
+	struct libskrift_rendering rendering = LIBSKRIFT_DEFAULT_RENDERING;
+	uint16_t i, x, y;
+	double height;
+
+	rendering.smoothing      = LIBSKRIFT_SUBPIXEL;
+	rendering.subpixel_order = LIBSKRIFT_RGB;
+	rendering.flags          = 0;
+
+	if (libskrift_open_font_file(&font, DEMO_FONT)) {
+		perror("libskrift_open_font_file");
+		return -1;
+	}
+	height = libskrift_points_to_pixels(72, &rendering);
+	if (libskrift_create_context(&ctx, font, &rendering, height)) {
+		perror("libskrift_create_context");
+		return -1;
+	}
+	libskrift_close_font(font);
+
+#if 1
+	if (libskrift_get_cluster_glyph(ctx, "x̴̑", NULL, 0, 0, &glyph) < 0) {
+		perror("libskrift_get_cluster_glyph");
+		return -1;
+	}
+#else
+	if (libskrift_get_grapheme_glyph(ctx, 197 /* Å */, 0, 0, &glyph)) {
+		perror("libskrift_get_grapheme_glyph");
+		return -1;
+	}
+#endif
+
+	if (rendering.smoothing == LIBSKRIFT_GREYSCALE) {
+		printf("P2\n%u %u\n255\n", glyph->width, glyph->height);
+		printf("# x-position: %i\n",  glyph->x);
+		printf("# y-position: %i\n",  glyph->y);
+		printf("# advance:    %lf\n", glyph->advance);
+		for (i = y = 0; y < glyph->height; y++) {
+			for (x = 0; x < glyph->width; x++, i++)
+				printf("%3u ", glyph->image[i]);
+			printf("\n\n");
+		}
+		fflush(stdout);
+	} else {
+		printf("P3\n%u %u\n255\n", glyph->width, glyph->height);
+		printf("# x-position: %i\n",  glyph->x);
+		printf("# y-position: %i\n",  glyph->y);
+		printf("# advance:    %lf\n", glyph->advance);
+		for (i = y = 0; y < glyph->height; y++) {
+			for (x = 0; x < glyph->width * 3; x++, i++)
+				printf("%3u ", glyph->image[i]);
+			printf("\n\n");
+		}
+		fflush(stdout);
+	}
+
+	free(glyph);
+	libskrift_free_context(ctx);
+	return 0;
+}