438 lines
12 KiB
C++
438 lines
12 KiB
C++
/*____________________________________________________________________________
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Copyright 2000-2016 Adobe Systems Incorporated. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use these files except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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____________________________________________________________________________*/
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#include "stdlib.h"
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#include "stdio.h"
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#include "string.h"
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#include "hb.h"
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#include "hb-ot.h"
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static const bool verbose = true;
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struct TestData
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{
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TestData(hb_buffer_t *buffer_,
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hb_face_t *face_,
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hb_font_t *font_,
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hb_feature_t *features_,
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int num_features_)
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: buffer(buffer_), face(face_), font(font_),
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features(features_), num_features(num_features_)
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{ }
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~TestData()
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{
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free (features);
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hb_face_destroy (face);
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hb_font_destroy (font);
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hb_buffer_destroy (buffer);
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}
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hb_buffer_t *buffer;
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hb_face_t *face;
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hb_font_t *font;
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hb_feature_t *features;
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int num_features;
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};
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TestData
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runTest(const char *testName,
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const char *fontfileName,
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unsigned int *in, int nbIn,
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unsigned int *select, int nbSelect)
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{
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FILE *f = fopen (fontfileName, "rb");
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fseek(f, 0, SEEK_END);
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long fontsize = ftell(f);
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fseek(f, 0, SEEK_SET);
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char *fontdata = (char *)malloc (fontsize);
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fread(fontdata, fontsize, 1, f);
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fclose(f);
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if (verbose) {
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printf ("------------------------------- %s\n", testName);
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}
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// setup font
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hb_blob_t *blob = hb_blob_create(fontdata, fontsize,
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HB_MEMORY_MODE_WRITABLE,
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0, 0);
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hb_face_t *face = hb_face_create(blob, 0);
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hb_font_t *font = hb_font_create(face);
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unsigned int upem = hb_face_get_upem (face);
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hb_font_set_scale(font, upem, upem);
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hb_ot_font_set_funcs (font);
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// setup buffer
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hb_buffer_t *buffer = hb_buffer_create();
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hb_buffer_set_direction(buffer, HB_DIRECTION_LTR);
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hb_buffer_set_script(buffer, HB_SCRIPT_LATIN);
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hb_buffer_set_language(buffer, hb_language_from_string("en", 2));
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hb_buffer_add_utf32(buffer, in, nbIn, 0, nbIn);
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// setup features
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hb_feature_t *features;
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int nbFeatures;
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if (nbSelect == 0)
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{
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nbFeatures = 1;
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features = (hb_feature_t *) malloc (sizeof (*features));
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features[0].tag = HB_TAG('t', 'e', 's', 't');
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features[0].value = 1;
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features[0].start = HB_FEATURE_GLOBAL_START;
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features[0].end = HB_FEATURE_GLOBAL_END;
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}
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else
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{
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nbFeatures = 0;
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features = (hb_feature_t *) malloc (sizeof (*features) * nbSelect);
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for (int i = 0; i < nbSelect; i++) {
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if (select[i] != -1) {
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features[nbFeatures].tag = HB_TAG('t', 'e', 's', 't');
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features[nbFeatures].value = select[i];
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features[nbFeatures].start = i;
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features[nbFeatures].end = i + 1;
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nbFeatures++;
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}
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}
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}
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// shape
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hb_shape(font, buffer, features, nbFeatures);
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hb_blob_destroy(blob);
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return TestData(buffer, face, font, features, nbFeatures);
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}
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void printArray (const char* s, int *a, int n)
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{
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printf ("%s %d : ", s, n);
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for (int i = 0; i < n; i++) {
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printf (" %d", a[i]);
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}
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printf ("\n");
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}
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void printUArray (const char* s, unsigned int *a, int n)
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{
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printArray (s, (int *) a, n);
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}
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bool gsub_test(const char *testName,
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const char *fontfileName,
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int nbIn, unsigned int *in,
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int nbSelect, unsigned int *select,
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int nbExpected, unsigned int *expected)
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{
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TestData data = runTest(testName,
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fontfileName,
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in, nbIn,
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select, nbSelect);
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// verify
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hb_glyph_info_t *actual = hb_buffer_get_glyph_infos(data.buffer, 0);
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unsigned int nbActual = hb_buffer_get_length(data.buffer);
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bool ok = true;
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if (nbActual != nbExpected)
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ok = false;
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else {
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for (int i = 0; i < nbActual; i++) {
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if (actual[i].codepoint != expected [i]) {
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ok = false;
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break;
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}
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}
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}
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char test_name[255];
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sprintf (test_name, "../../tests/%.*s.tests", (int) (strrchr (testName, '_') - testName), testName);
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FILE *tests_file = fopen (test_name, "a+");
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if (!ok) fprintf (tests_file, "#");
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fprintf (tests_file, "../fonts/%s;--features=\"", fontfileName + 9);
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for (unsigned int i = 0; i < data.num_features; i++)
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{
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if (i != 0) fprintf (tests_file, ",");
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char buf[255];
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hb_feature_to_string (&data.features[i], buf, sizeof (buf));
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fprintf (tests_file, "%s", buf);
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}
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fprintf (tests_file, "\" --single-par --no-clusters --no-glyph-names --no-positions;");
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for (unsigned int i = 0; i < nbIn; i++)
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{
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if (i != 0) fprintf (tests_file, ",");
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fprintf (tests_file, "U+%04X", in[i]);
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}
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fprintf (tests_file, ";[");
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for (unsigned int i = 0; i < nbActual; i++)
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{
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if (i != 0) fprintf (tests_file, "|");
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fprintf (tests_file, "%d", expected[i]);
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}
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fprintf (tests_file, "]");
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fprintf (tests_file, "\n");
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fclose (tests_file);
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if (! ok) {
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printf ("******* GSUB %s\n", testName);
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printf ("expected %d:", nbExpected);
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for (int i = 0; i < nbExpected; i++) {
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printf (" %d", expected[i]); }
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printf ("\n");
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printf (" actual %d:", nbActual);
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for (int i = 0; i < nbActual; i++) {
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printf (" %d", actual[i].codepoint); }
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printf ("\n");
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}
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return ok;
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}
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bool cmap_test(const char *testName,
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const char *fontfileName,
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int nbIn, unsigned int *in,
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int nbSelect, unsigned int *select,
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int nbExpected, unsigned int *expected)
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{
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TestData data = runTest(testName,
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fontfileName,
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in, nbIn,
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select, nbSelect);
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// verify
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hb_glyph_info_t *actual = hb_buffer_get_glyph_infos(data.buffer, 0);
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unsigned int nbActual = hb_buffer_get_length(data.buffer);
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bool ok = true;
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if (nbActual != nbExpected)
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ok = false;
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else {
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for (int i = 0; i < nbActual; i++) {
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if (actual[i].codepoint != expected [i]) {
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ok = false;
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break;
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}
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}
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}
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char test_name[255];
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sprintf (test_name, "../../tests/%.*s.tests", (int) (strrchr (testName, '_') - testName), testName);
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FILE *tests_file = fopen (test_name, "a+");
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if (!ok) fprintf (tests_file, "#");
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fprintf (tests_file, "../fonts/%s;--features=\"", fontfileName + 9);
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for (unsigned int i = 0; i < data.num_features; i++)
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{
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if (i != 0) fprintf (tests_file, ",");
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char buf[255];
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hb_feature_to_string (&data.features[i], buf, sizeof (buf));
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fprintf (tests_file, "%s", buf);
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}
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fprintf (tests_file, "\" --single-par --no-clusters --no-glyph-names --no-positions --font-funcs=ot;");
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for (unsigned int i = 0; i < nbIn; i++)
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{
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if (i != 0) fprintf (tests_file, ",");
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fprintf (tests_file, "U+%04X", in[i]);
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}
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fprintf (tests_file, ";[");
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for (unsigned int i = 0; i < nbActual; i++)
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{
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if (i != 0) fprintf (tests_file, "|");
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fprintf (tests_file, "%d", expected[i]);
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}
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fprintf (tests_file, "]");
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fprintf (tests_file, "\n");
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fclose (tests_file);
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if (! ok) {
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printf ("******* cmap %s\n", testName);
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printf ("expected %d:", nbExpected);
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for (int i = 0; i < nbExpected; i++) {
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printf (" %d", expected[i]); }
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printf ("\n");
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printf (" actual %d:", nbActual);
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for (int i = 0; i < nbActual; i++) {
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printf (" %d", actual[i].codepoint); }
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printf ("\n");
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}
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return ok;
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}
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bool gpos_test(const char *testName,
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const char *fontfileName,
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int nbIn,
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unsigned int *in,
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int nbOut,
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unsigned int *out,
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int *x,
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int *y)
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{
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TestData data = runTest(testName,
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fontfileName,
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in, nbIn,
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0, 0);
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// verify
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unsigned int nbActual;
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hb_glyph_info_t *actual = hb_buffer_get_glyph_infos(data.buffer, &nbActual);
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hb_glyph_position_t *pos = hb_buffer_get_glyph_positions (data.buffer, NULL);
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unsigned int *actualG = (unsigned int *) malloc(sizeof(*actualG) * nbActual);
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int *actualX = (int *) malloc(sizeof(*actualX) * nbActual);
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int *actualY = (int *) malloc(sizeof(*actualY) * nbActual);
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int curX = 0;
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int curY = 0;
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for (int i = 0; i < nbActual; i++) {
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actualG[i] = actual[i].codepoint;
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actualX[i] = curX + pos[i].x_offset;
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actualY[i] = curY + pos[i].y_offset;
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curX += pos[i].x_advance;
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if (hb_ot_layout_get_glyph_class (data.face, actualG[i]) != HB_OT_LAYOUT_GLYPH_CLASS_MARK)
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curX -= 1500;
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curY += pos[i].y_advance;
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}
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bool nbOk = true;
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bool xOk = true;
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bool yOk = true;
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if (nbActual != nbOut)
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nbOk = false;
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else {
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for (int i = 0; i < nbActual; i++) {
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if (actualX[i] != x[i]) {
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xOk = false;
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}
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if (actualY[i] != y[i]) {
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yOk = false;
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}
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}
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}
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bool ok = (nbOk && xOk && yOk);
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if (! ok) {
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printf ("******* GPOS %s\n", testName);
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if (! (nbOk && xOk)) {
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printArray ("expectedX", x, nbOut);
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printArray ("actualX ", actualX, nbActual);
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printf ("xadv/pos:");
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for (int i = 0; i < nbOut; i++) {
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printf (" %d/%d", pos[i].x_advance, pos[i].x_offset);
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}
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printf ("\n");
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}
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if (! (nbOk && yOk)) {
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printArray ("expectedY", y, nbOut);
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printArray ("actualY ", actualY, nbActual);
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printf ("yadv/pos:");
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for (int i = 0; i < nbOut; i++) {
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printf (" %d/%d", pos[i].y_advance, pos[i].y_offset);
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}
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printf ("\n");
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}
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}
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char test_name[255];
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sprintf (test_name, "../../tests/%.*s.tests", (int) (strrchr (testName, '_') - testName), testName);
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FILE *tests_file = fopen (test_name, "a+");
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if (!ok) fprintf (tests_file, "#");
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fprintf (tests_file, "../fonts/%s;--features=\"", fontfileName + 9);
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for (unsigned int i = 0; i < data.num_features; i++)
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{
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if (i != 0) fprintf (tests_file, ",");
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char buf[255];
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hb_feature_to_string (&data.features[i], buf, sizeof (buf));
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fprintf (tests_file, "%s", buf);
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}
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fprintf (tests_file, "\" --single-par --no-clusters --no-glyph-names --ned;");
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for (unsigned int i = 0; i < nbIn; i++)
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{
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if (i != 0) fprintf (tests_file, ",");
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fprintf (tests_file, "U+%04X", in[i]);
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}
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fprintf (tests_file, ";[");
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int accumlatedAdvance = 0;
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for (unsigned int i = 0; i < nbActual; i++)
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{
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if (i != 0) fprintf (tests_file, "|");
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fprintf (tests_file, "%d", /*it should be "out[i]"*/ actualG[i]);
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int expected_x = x[i] + accumlatedAdvance;
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int expected_y = y[i];
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if (expected_x || expected_y) fprintf (tests_file, "@%d,%d", expected_x, expected_y);
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if (hb_ot_layout_get_glyph_class (data.face, actualG[i]) != HB_OT_LAYOUT_GLYPH_CLASS_MARK)
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accumlatedAdvance += 1500;
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}
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fprintf (tests_file, "]");
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fprintf (tests_file, "\n");
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fclose (tests_file);
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free(actualG);
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free(actualX);
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free(actualY);
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return ok;
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}
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int main(int argc, char **argv)
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{
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int failures = 0;
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int pass = 0;
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#include "hb-aots-tester.h"
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printf ("%d failures, %d pass\n", failures, pass);
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}
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