add cairo

1 files changed, 228 insertions, 0 deletions

diff --git a/libs/cairo-1.16.0/test/ft-font-create-for-ft-face.c b/libs/cairo-1.16.0/test/ft-font-create-for-ft-face.c
new file mode 100644
index 0000000..52c838d
--- /dev/null
+++ b/libs/cairo-1.16.0/test/ft-font-create-for-ft-face.c
@@ -0,0 +1,228 @@
+/*
+ * Copyright © 2005 Red Hat, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software
+ * and its documentation for any purpose is hereby granted without
+ * fee, provided that the above copyright notice appear in all copies
+ * and that both that copyright notice and this permission notice
+ * appear in supporting documentation, and that the name of
+ * Red Hat, Inc. not be used in advertising or publicity pertaining to
+ * distribution of the software without specific, written prior
+ * permission. Red Hat, Inc. makes no representations about the
+ * suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL,
+ * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
+ * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+ * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Author: Carl D. Worth <cworth@cworth.org>
+ */
+
+#include "cairo-test.h"
+#include <cairo-ft.h>
+
+static void
+_stress_font_cache (FT_Face ft_face, cairo_t *cr, int lvl);
+
+static cairo_font_face_t *
+_load_font (FT_Face ft_face, int flags, cairo_t *cr, int lvl)
+{
+    cairo_font_face_t *font_face;
+    cairo_font_extents_t font_extents;
+
+    _stress_font_cache (ft_face, cr, lvl+1);
+
+    font_face = cairo_ft_font_face_create_for_ft_face (ft_face, flags);
+
+    cairo_set_font_face (cr, font_face);
+    cairo_font_extents (cr, &font_extents);
+
+    _stress_font_cache (ft_face, cr, lvl+1);
+
+    return font_face;
+}
+
+static void
+_stress_font_cache (FT_Face ft_face, cairo_t *cr, int lvl)
+{
+#define A _load_font (ft_face, 0, cr, lvl)
+#define B _load_font (ft_face, FT_LOAD_NO_BITMAP, cr, lvl)
+#define C _load_font (ft_face, FT_LOAD_NO_RECURSE, cr, lvl)
+#define D _load_font (ft_face, FT_LOAD_FORCE_AUTOHINT, cr, lvl)
+
+    cairo_font_face_t *font_face[4];
+
+    while (lvl++ < 5) {
+	font_face[0] = A; font_face[1] = A;
+	font_face[2] = A; font_face[3] = A;
+	cairo_font_face_destroy (font_face[0]);
+	cairo_font_face_destroy (font_face[1]);
+	cairo_font_face_destroy (font_face[2]);
+	cairo_font_face_destroy (font_face[3]);
+
+	font_face[0] = A; font_face[1] = B;
+	font_face[2] = C; font_face[3] = D;
+	cairo_font_face_destroy (font_face[0]);
+	cairo_font_face_destroy (font_face[1]);
+	cairo_font_face_destroy (font_face[2]);
+	cairo_font_face_destroy (font_face[3]);
+
+	font_face[0] = A; font_face[1] = B;
+	font_face[2] = C; font_face[3] = D;
+	cairo_font_face_destroy (font_face[3]);
+	cairo_font_face_destroy (font_face[2]);
+	cairo_font_face_destroy (font_face[1]);
+	cairo_font_face_destroy (font_face[0]);
+
+	font_face[0] = A;
+	font_face[1] = A;
+	cairo_font_face_destroy (font_face[0]);
+	font_face[2] = A;
+	cairo_font_face_destroy (font_face[1]);
+	font_face[3] = A;
+	cairo_font_face_destroy (font_face[2]);
+	cairo_font_face_destroy (font_face[3]);
+
+	font_face[0] = A;
+	font_face[1] = B;
+	cairo_font_face_destroy (font_face[0]);
+	font_face[2] = C;
+	cairo_font_face_destroy (font_face[1]);
+	font_face[3] = D;
+	cairo_font_face_destroy (font_face[2]);
+	cairo_font_face_destroy (font_face[3]);
+    }
+
+#undef A
+#undef B
+#undef C
+#undef D
+}
+
+static cairo_test_status_t
+draw (cairo_t *cr, int width, int height)
+{
+    const cairo_test_context_t *ctx = cairo_test_get_context (cr);
+    FcPattern *pattern, *resolved;
+    FcResult result;
+    cairo_font_face_t *font_face;
+    cairo_scaled_font_t *scaled_font;
+    cairo_font_options_t *font_options;
+    cairo_font_extents_t font_extents;
+    cairo_matrix_t font_matrix, ctm;
+    FT_Face ft_face;
+
+    /* We're trying here to get our hands on _some_ FT_Face but we do
+     * not at all care which one. So we start with an empty pattern
+     * and do the minimal substitution on it in order to get a valid
+     * pattern.
+     *
+     * Do not use this in production code! */
+    pattern = FcPatternCreate ();
+    if (! pattern) {
+	cairo_test_log (ctx, "FcPatternCreate failed.\n");
+	return cairo_test_status_from_status (ctx, CAIRO_STATUS_NO_MEMORY);
+    }
+
+    FcConfigSubstitute (NULL, pattern, FcMatchPattern);
+    FcDefaultSubstitute (pattern);
+    resolved = FcFontMatch (NULL, pattern, &result);
+    if (! resolved) {
+	FcPatternDestroy (pattern);
+	cairo_test_log (ctx, "FcFontMatch failed.\n");
+	return cairo_test_status_from_status (ctx, CAIRO_STATUS_NO_MEMORY);
+    }
+
+    font_face = cairo_ft_font_face_create_for_pattern (resolved);
+    if (cairo_font_face_status (font_face)) {
+	FcPatternDestroy (resolved);
+	FcPatternDestroy (pattern);
+	return cairo_test_status_from_status (ctx, cairo_font_face_status (font_face));
+    }
+
+    if (cairo_font_face_get_type (font_face) != CAIRO_FONT_TYPE_FT) {
+	cairo_test_log (ctx, "Unexpected value from cairo_font_face_get_type: %d (expected %d)\n",
+			cairo_font_face_get_type (font_face), CAIRO_FONT_TYPE_FT);
+	cairo_font_face_destroy (font_face);
+	FcPatternDestroy (resolved);
+	FcPatternDestroy (pattern);
+	return CAIRO_TEST_FAILURE;
+    }
+
+    cairo_matrix_init_identity (&font_matrix);
+
+    cairo_get_matrix (cr, &ctm);
+
+    font_options = cairo_font_options_create ();
+
+    cairo_get_font_options (cr, font_options);
+
+    scaled_font = cairo_scaled_font_create (font_face,
+					    &font_matrix,
+					    &ctm,
+					    font_options);
+
+    cairo_font_options_destroy (font_options);
+    cairo_font_face_destroy (font_face);
+    FcPatternDestroy (pattern);
+    FcPatternDestroy (resolved);
+
+    if (cairo_scaled_font_status (scaled_font)) {
+	return cairo_test_status_from_status (ctx,
+					      cairo_scaled_font_status (scaled_font));
+    }
+
+    if (cairo_scaled_font_get_type (scaled_font) != CAIRO_FONT_TYPE_FT) {
+	cairo_test_log (ctx, "Unexpected value from cairo_scaled_font_get_type: %d (expected %d)\n",
+			cairo_scaled_font_get_type (scaled_font), CAIRO_FONT_TYPE_FT);
+	cairo_scaled_font_destroy (scaled_font);
+	return CAIRO_TEST_FAILURE;
+    }
+
+    ft_face = cairo_ft_scaled_font_lock_face (scaled_font);
+    if (ft_face == NULL) {
+	cairo_test_log (ctx, "Failed to get an ft_face with cairo_ft_scaled_font_lock_face\n");
+	cairo_scaled_font_destroy (scaled_font);
+	return CAIRO_TEST_FAILURE;
+    }
+
+    /* phew, that was a lot of work. But at least we didn't ever have
+     * to call freetype directly, nor did we have to make many (any?)
+     * assumptions about the current system.
+     *
+     * Now, on to the simple thing we actually want to test.
+     */
+
+    cairo_save (cr);
+
+    /* First we want to test caching behaviour */
+    _stress_font_cache (ft_face, cr, 0);
+
+    /* Set the font_face and force cairo to actually use it for
+     * something. */
+    font_face = cairo_ft_font_face_create_for_ft_face (ft_face, 0);
+    cairo_set_font_face (cr, font_face);
+    cairo_font_extents (cr, &font_extents);
+
+    cairo_restore (cr);
+
+    /* Finally, even more cleanup */
+    cairo_font_face_destroy (font_face);
+    cairo_ft_scaled_font_unlock_face (scaled_font);
+    cairo_scaled_font_destroy (scaled_font);
+
+    return CAIRO_TEST_SUCCESS;
+}
+
+CAIRO_TEST (ft_font_create_for_ft_face,
+	    "Simple test to verify that cairo_ft_font_create_for_ft_face doesn't crash.",
+	    "ft, font", /* keywords */
+	    NULL, /* requirements */
+	    0, 0,
+	    NULL, draw)
+