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Diffstat (limited to 'tests/testhbfont.c')
| -rw-r--r-- | tests/testhbfont.c | 446 |
1 files changed, 446 insertions, 0 deletions
diff --git a/tests/testhbfont.c b/tests/testhbfont.c new file mode 100644 index 00000000..90bc0a11 --- /dev/null +++ b/tests/testhbfont.c @@ -0,0 +1,446 @@ +/* Pango + * testhbfont.c: Test program for PangoHbFont etc + * + * Copyright (C) 2021 Matthias Clasen + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#include "config.h" +#include <glib.h> +#include <pango/pangocairo.h> + +#include <hb-ot.h> + + +/* Verify that the variable and monospace properties work as expected + * for PangoHbFamily + */ +static void +test_hbfont_monospace (void) +{ + PangoHbFontMap *map; + PangoFontFamily *family; + char *path; + + map = pango_hb_font_map_new (); + + path = g_test_build_filename (G_TEST_DIST, "fonts", "Cantarell-VF.otf", NULL); + pango_hb_font_map_add_file (map, path); + + family = pango_font_map_get_family (PANGO_FONT_MAP (map), "Cantarell"); + + g_assert_nonnull (family); + g_assert_false (pango_font_family_is_variable (family)); + g_assert_false (pango_font_family_is_monospace (family)); + + pango_hb_font_map_add_face (map, pango_hb_face_new_from_file (path, 0, -2, NULL, NULL)); + + g_assert_true (pango_font_family_is_variable (family)); + + g_free (path); + + path = g_test_build_filename (G_TEST_DIST, "fonts", "DejaVuSansMono.ttf", NULL); + pango_hb_font_map_add_file (map, path); + g_free (path); + + family = pango_font_map_get_family (PANGO_FONT_MAP (map), "DejaVu Sans Mono"); + + g_assert_nonnull (family); + g_assert_false (pango_font_family_is_variable (family)); + g_assert_true (pango_font_family_is_monospace (family)); + + g_object_unref (map); +} + +/* Verify that a description -> face -> description roundtrip works for + * PangoHbFaces created with pango_hb_face_new_synthetic or pango_hb_face_new_instance + */ +static void +test_hbface_roundtrip (void) +{ + char *path; + PangoHbFace *face; + PangoHbFace *face2; + PangoFontDescription *desc; + const int NO_FACEID = ~PANGO_FONT_MASK_FACEID; + hb_variation_t v; + + path = g_test_build_filename (G_TEST_DIST, "fonts", "Cantarell-VF.otf", NULL); + + face = pango_hb_face_new_from_file (path, 0, -1, NULL, NULL); + g_assert_true (PANGO_IS_HB_FACE (face)); + g_assert_cmpstr (pango_font_face_get_face_name (PANGO_FONT_FACE (face)), ==, "Regular"); + desc = pango_font_face_describe (PANGO_FONT_FACE (face)); + g_assert_cmpint (pango_font_description_get_set_fields (desc) & NO_FACEID, ==, PANGO_FONT_MASK_FAMILY | + PANGO_FONT_MASK_STYLE | + PANGO_FONT_MASK_WEIGHT | + PANGO_FONT_MASK_STRETCH); + g_assert_cmpstr (pango_font_description_get_family (desc), ==, "Cantarell"); + g_assert_cmpint (pango_font_description_get_style (desc), ==, PANGO_STYLE_NORMAL); + g_assert_cmpint (pango_font_description_get_weight (desc), ==, PANGO_WEIGHT_NORMAL); + g_assert_cmpint (pango_font_description_get_stretch (desc), ==, PANGO_STRETCH_NORMAL); + pango_font_description_free (desc); + + desc = pango_font_description_new (); + pango_font_description_set_style (desc, PANGO_STYLE_OBLIQUE); + face2 = pango_hb_face_new_synthetic (face, &(PangoMatrix){ 1, 0.2, 0, 1, 0, 0 }, FALSE, NULL, desc); + pango_font_description_free (desc); + + g_assert_true (PANGO_IS_HB_FACE (face2)); + g_assert_cmpstr (pango_font_face_get_face_name (PANGO_FONT_FACE (face2)), ==, "Oblique"); + desc = pango_font_face_describe (PANGO_FONT_FACE (face2)); + g_assert_cmpint (pango_font_description_get_set_fields (desc) & NO_FACEID, ==, PANGO_FONT_MASK_FAMILY | + PANGO_FONT_MASK_STYLE | + PANGO_FONT_MASK_WEIGHT | + PANGO_FONT_MASK_STRETCH); + g_assert_cmpstr (pango_font_description_get_family (desc), ==, "Cantarell"); + g_assert_cmpint (pango_font_description_get_style (desc), ==, PANGO_STYLE_OBLIQUE); + g_assert_cmpint (pango_font_description_get_weight (desc), ==, PANGO_WEIGHT_NORMAL); + g_assert_cmpint (pango_font_description_get_stretch (desc), ==, PANGO_STRETCH_NORMAL); + pango_font_description_free (desc); + g_object_unref (face2); + + desc = pango_font_description_new (); + pango_font_description_set_weight (desc, PANGO_WEIGHT_BOLD); + face2 = pango_hb_face_new_synthetic (face, NULL, TRUE, NULL, desc); + pango_font_description_free (desc); + + g_assert_true (PANGO_IS_HB_FACE (face2)); + g_assert_cmpstr (pango_font_face_get_face_name (PANGO_FONT_FACE (face2)), ==, "Bold"); + desc = pango_font_face_describe (PANGO_FONT_FACE (face2)); + g_assert_cmpint (pango_font_description_get_set_fields (desc) & NO_FACEID, ==, PANGO_FONT_MASK_FAMILY | + PANGO_FONT_MASK_STYLE | + PANGO_FONT_MASK_WEIGHT | + PANGO_FONT_MASK_STRETCH); + g_assert_cmpstr (pango_font_description_get_family (desc), ==, "Cantarell"); + g_assert_cmpint (pango_font_description_get_style (desc), ==, PANGO_STYLE_NORMAL); + g_assert_cmpint (pango_font_description_get_weight (desc), ==, PANGO_WEIGHT_BOLD); + g_assert_cmpint (pango_font_description_get_stretch (desc), ==, PANGO_STRETCH_NORMAL); + pango_font_description_free (desc); + g_object_unref (face2); + + desc = pango_font_description_new (); + pango_font_description_set_family (desc, "Cantarellagain"); + face2 = pango_hb_face_new_synthetic (face, NULL, FALSE, NULL, desc); + pango_font_description_free (desc); + + g_assert_true (PANGO_IS_HB_FACE (face2)); + g_assert_cmpstr (pango_font_face_get_face_name (PANGO_FONT_FACE (face2)), ==, "Regular"); + desc = pango_font_face_describe (PANGO_FONT_FACE (face2)); + g_assert_cmpint (pango_font_description_get_set_fields (desc) & NO_FACEID, ==, PANGO_FONT_MASK_FAMILY | + PANGO_FONT_MASK_STYLE | + PANGO_FONT_MASK_WEIGHT | + PANGO_FONT_MASK_STRETCH); + g_assert_cmpstr (pango_font_description_get_family (desc), ==, "Cantarellagain"); + g_assert_cmpint (pango_font_description_get_style (desc), ==, PANGO_STYLE_NORMAL); + g_assert_cmpint (pango_font_description_get_weight (desc), ==, PANGO_WEIGHT_NORMAL); + g_assert_cmpint (pango_font_description_get_stretch (desc), ==, PANGO_STRETCH_NORMAL); + pango_font_description_free (desc); + g_object_unref (face2); + + desc = pango_font_description_new (); + pango_font_description_set_family (desc, "Cat"); + pango_font_description_set_weight (desc, PANGO_WEIGHT_ULTRABOLD); + + v.tag = HB_OT_TAG_VAR_AXIS_WEIGHT; + v.value = 768.; + + face2 = pango_hb_face_new_instance (face, &v, 1, "Fat", desc); + pango_font_description_free (desc); + + g_assert_true (PANGO_IS_HB_FACE (face2)); + g_assert_cmpstr (pango_font_face_get_face_name (PANGO_FONT_FACE (face2)), ==, "Fat"); + desc = pango_font_face_describe (PANGO_FONT_FACE (face2)); + g_assert_cmpint (pango_font_description_get_set_fields (desc) & NO_FACEID, ==, PANGO_FONT_MASK_FAMILY | + PANGO_FONT_MASK_STYLE | + PANGO_FONT_MASK_WEIGHT | + PANGO_FONT_MASK_VARIATIONS | + PANGO_FONT_MASK_STRETCH); + g_assert_cmpstr (pango_font_description_get_family (desc), ==, "Cat"); + g_assert_cmpint (pango_font_description_get_style (desc), ==, PANGO_STYLE_NORMAL); + g_assert_cmpint (pango_font_description_get_weight (desc), ==, PANGO_WEIGHT_ULTRABOLD); + g_assert_cmpint (pango_font_description_get_stretch (desc), ==, PANGO_STRETCH_NORMAL); + g_assert_cmpstr (pango_font_description_get_variations (desc), ==, "wght=768"); + pango_font_description_free (desc); + g_object_unref (face2); + + g_object_unref (face); + g_free (path); +} + +/* Verify that face -> font -> description works as expected for PangoHbFont */ +static void +test_hbfont_roundtrip (void) +{ + char *path; + PangoHbFace *face; + PangoHbFont *font; + PangoFontDescription *desc; + hb_feature_t features[10]; + unsigned int n_features; + + path = g_test_build_filename (G_TEST_DIST, "fonts", "Cantarell-VF.otf", NULL); + + face = pango_hb_face_new_from_file (path, 0, -1, NULL, NULL); + g_assert_true (PANGO_IS_HB_FACE (face)); + + font = pango_hb_font_new (face, 11 * PANGO_SCALE, NULL, 0, NULL, 0, PANGO_GRAVITY_AUTO, 96., NULL); + g_assert_true (PANGO_IS_HB_FONT (font)); + g_assert_true (pango_font_get_face (PANGO_FONT (font)) == PANGO_FONT_FACE (face)); + pango_font_get_features (PANGO_FONT (font), features, G_N_ELEMENTS (features), &n_features); + g_assert_cmpint (n_features, ==, 0); + + desc = pango_font_describe (PANGO_FONT (font)); + g_assert_cmpstr (pango_font_description_get_family (desc), ==, "Cantarell"); + g_assert_cmpint (pango_font_description_get_style (desc), ==, PANGO_STYLE_NORMAL); + g_assert_cmpint (pango_font_description_get_weight (desc), ==, PANGO_WEIGHT_NORMAL); + g_assert_cmpint (pango_font_description_get_stretch (desc), ==, PANGO_STRETCH_NORMAL); + g_assert_cmpint (pango_font_description_get_size (desc), ==, 11 * PANGO_SCALE); + pango_font_description_free (desc); + + g_object_unref (font); + g_object_unref (face); + g_free (path); +} + +/* Verify that pango_font_describe and pango_font_describe_with_absolute_size + * work as expected with PangoHbFont + */ +static void +test_hbfont_describe (void) +{ + char *path; + PangoHbFace *face; + PangoHbFont *font; + PangoFontDescription *desc; + + path = g_test_build_filename (G_TEST_DIST, "fonts", "Cantarell-VF.otf", NULL); + + face = pango_hb_face_new_from_file (path, 0, -1, NULL, NULL); + g_assert_true (PANGO_IS_HB_FACE (face)); + + font = pango_hb_font_new (face, 11 * PANGO_SCALE, NULL, 0, NULL, 0, PANGO_GRAVITY_AUTO, 96., NULL); + g_assert_true (PANGO_IS_HB_FONT (font)); + + desc = pango_font_describe (PANGO_FONT (font)); + g_assert_cmpstr (pango_font_description_get_family (desc), ==, "Cantarell"); + g_assert_cmpint (pango_font_description_get_size (desc), ==, 11 * PANGO_SCALE); + g_assert_true (!pango_font_description_get_size_is_absolute (desc)); + pango_font_description_free (desc); + + desc = pango_font_describe_with_absolute_size (PANGO_FONT (font)); + g_assert_cmpstr (pango_font_description_get_family (desc), ==, "Cantarell"); + g_assert_cmpint (pango_font_description_get_size (desc), ==, 11 * PANGO_SCALE * 96./72.); + g_assert_true (pango_font_description_get_size_is_absolute (desc)); + pango_font_description_free (desc); + + g_object_unref (font); + g_object_unref (face); + g_free (path); +} + +/* Test that describing fonts and faces works with variations */ +static void +test_hbfont_describe_variation (void) +{ + char *path; + PangoHbFace *face, *face2; + PangoHbFont *font; + PangoFontDescription *desc; + hb_variation_t v; + + path = g_test_build_filename (G_TEST_DIST, "fonts", "Cantarell-VF.otf", NULL); + + face = pango_hb_face_new_from_file (path, 0, -1, NULL, NULL); + g_assert_true (PANGO_IS_HB_FACE (face)); + + font = pango_hb_font_new (face, 11 * PANGO_SCALE, NULL, 0, NULL, 0, PANGO_GRAVITY_AUTO, 96., NULL); + g_assert_true (PANGO_IS_HB_FONT (font)); + + desc = pango_font_describe (PANGO_FONT (font)); + g_assert_true ((pango_font_description_get_set_fields (desc) & PANGO_FONT_MASK_VARIATIONS) == 0); + pango_font_description_free (desc); + g_object_unref (font); + + v.tag = HB_OT_TAG_VAR_AXIS_WEIGHT; + v.value = 768.; + font = pango_hb_font_new (face, 11 * PANGO_SCALE, NULL, 0, &v, 1, PANGO_GRAVITY_AUTO, 96., NULL); + + desc = pango_font_describe (PANGO_FONT (font)); + g_assert_true ((pango_font_description_get_set_fields (desc) & PANGO_FONT_MASK_VARIATIONS) != 0); + g_assert_cmpstr (pango_font_description_get_variations (desc), ==, "wght=768"); + pango_font_description_free (desc); + g_object_unref (font); + + desc = pango_font_description_new (); + pango_font_description_set_family (desc, "Cantarellagain"); + + v.tag = HB_OT_TAG_VAR_AXIS_WEIGHT; + v.value = 512.; + face2 = pango_hb_face_new_instance (face, &v, 1, "Medium", desc); + g_assert_true (PANGO_IS_HB_FACE (face)); + pango_font_description_free (desc); + + desc = pango_font_face_describe (PANGO_FONT_FACE (face2)); + g_assert_true ((pango_font_description_get_set_fields (desc) & PANGO_FONT_MASK_VARIATIONS) != 0); + g_assert_cmpstr (pango_font_description_get_variations (desc), ==, "wght=512"); + pango_font_description_free (desc); + + font = pango_hb_font_new (face2, 11 * PANGO_SCALE, NULL, 0, NULL, 0, PANGO_GRAVITY_AUTO, 96., NULL); + g_assert_true (PANGO_IS_HB_FONT (font)); + + desc = pango_font_describe (PANGO_FONT (font)); + g_assert_true ((pango_font_description_get_set_fields (desc) & PANGO_FONT_MASK_VARIATIONS) != 0); + g_assert_cmpstr (pango_font_description_get_variations (desc), ==, "wght=512"); + pango_font_description_free (desc); + g_object_unref (font); + + v.tag = HB_OT_TAG_VAR_AXIS_WEIGHT; + v.value = 768.; + font = pango_hb_font_new (face2, 11 * PANGO_SCALE, NULL, 0, &v, 1, PANGO_GRAVITY_AUTO, 96., NULL); + + desc = pango_font_describe (PANGO_FONT (font)); + g_assert_true ((pango_font_description_get_set_fields (desc) & PANGO_FONT_MASK_VARIATIONS) != 0); + g_assert_cmpstr (pango_font_description_get_variations (desc), ==, "wght=768"); + pango_font_description_free (desc); + g_object_unref (font); + + g_object_unref (face2); + g_object_unref (face); + g_free (path); +} + +/* Test that we get different faceids for the different named instances + * or variants of Cantarell. + */ +static void +test_hbfont_faceid (void) +{ + char *path; + PangoHbFace *face, *face2, *face3; + PangoFontDescription *desc, *desc2, *desc3; + + path = g_test_build_filename (G_TEST_DIST, "fonts", "Cantarell-VF.otf", NULL); + + face = pango_hb_face_new_from_file (path, 0, -1, NULL, NULL); + face2 = pango_hb_face_new_from_file (path, 0, 2, NULL, NULL); + desc = pango_font_description_new (); + pango_font_description_set_weight (desc, PANGO_WEIGHT_BOLD); + face3 = pango_hb_face_new_synthetic (face, NULL, TRUE, NULL, desc); + pango_font_description_free (desc); + + desc = pango_font_face_describe (PANGO_FONT_FACE (face)); + g_assert_true (pango_font_description_get_set_fields (desc) & PANGO_FONT_MASK_FACEID); + + desc2 = pango_font_face_describe (PANGO_FONT_FACE (face2)); + g_assert_true (pango_font_description_get_set_fields (desc2) & PANGO_FONT_MASK_FACEID); + + desc3 = pango_font_face_describe (PANGO_FONT_FACE (face3)); + g_assert_true (pango_font_description_get_set_fields (desc3) & PANGO_FONT_MASK_FACEID); + + g_assert_cmpstr (pango_font_description_get_faceid (desc), !=, pango_font_description_get_faceid (desc2)); + g_assert_cmpstr (pango_font_description_get_faceid (desc), !=, pango_font_description_get_faceid (desc3)); + g_assert_cmpstr (pango_font_description_get_faceid (desc2), !=, pango_font_description_get_faceid (desc3)); + + pango_font_description_free (desc); + pango_font_description_free (desc2); + pango_font_description_free (desc3); + + g_object_unref (face); + g_object_unref (face2); + g_object_unref (face3); + + g_free (path); +} + +/* Test font -> description -> font roundtrips with a difficult family */ +static void +test_hbfont_load (void) +{ + PangoHbFontMap *map; + PangoContext *context; + char *path; + PangoFontDescription *desc; + PangoHbFace *face_fat, *face_wild; + char *s; + PangoFont *font; + + /* Make a Cat family, with the two faces Fat and Wild */ + map = pango_hb_font_map_new (); + context = pango_font_map_create_context (PANGO_FONT_MAP (map)); + + path = g_test_build_filename (G_TEST_DIST, "fonts", "Cantarell-VF.otf", NULL); + desc = pango_font_description_new (); + pango_font_description_set_family (desc, "Cat"); + face_fat = pango_hb_face_new_from_file (path, 0, -1, "Fat", desc); + pango_font_description_free (desc); + g_free (path); + + pango_hb_font_map_add_face (map, face_fat); + + path = g_test_build_filename (G_TEST_DIST, "fonts", "DejaVuSans.ttf", NULL); + desc = pango_font_description_new (); + pango_font_description_set_family (desc, "Cat"); + face_wild = pango_hb_face_new_from_file (path, 0, -1, "Wild", desc); + pango_font_description_free (desc); + + pango_hb_font_map_add_face (map, face_wild); + + desc = pango_font_face_describe (PANGO_FONT_FACE (face_wild)); + pango_font_description_set_size (desc, 12 * PANGO_SCALE); + + s = pango_font_description_to_string (desc); + g_assert_cmpstr (s, ==, "Cat 12 @faceid=hb:DejaVuSans:0:-1:0:1:1:0"); + g_free (s); + + /* loading with faceid set works as expected */ + font = pango_font_map_load_font (PANGO_FONT_MAP (map), context, desc); + g_assert_true (pango_font_get_face (font) == PANGO_FONT_FACE (face_wild)); + g_object_unref (font); + + pango_font_description_unset_fields (desc, PANGO_FONT_MASK_FACEID); + + /* ...and without doesn't */ + s = pango_font_description_to_string (desc); + g_assert_cmpstr (s, ==, "Cat 12"); + g_free (s); + + font = pango_font_map_load_font (PANGO_FONT_MAP (map), context, desc); + g_assert_true (pango_font_get_face (font) == PANGO_FONT_FACE (face_fat)); + g_object_unref (font); + + pango_font_description_free (desc); + + g_object_unref (context); + g_object_unref (map); +} + +int +main (int argc, char *argv[]) +{ + g_test_init (&argc, &argv, NULL); + + g_test_add_func ("/hbfont/monospace", test_hbfont_monospace); + g_test_add_func ("/hbface/roundtrip", test_hbface_roundtrip); + g_test_add_func ("/hbfont/roundtrip", test_hbfont_roundtrip); + g_test_add_func ("/hbfont/describe", test_hbfont_describe); + g_test_add_func ("/hbfont/describe/variation", test_hbfont_describe_variation); + g_test_add_func ("/hbfont/faceid", test_hbfont_faceid); + g_test_add_func ("/hbfont/load", test_hbfont_load); + + return g_test_run (); +} |