fontservices/textshaperplugin/test/letest/letest.cpp
changeset 0 1fb32624e06b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fontservices/textshaperplugin/test/letest/letest.cpp	Tue Feb 02 02:02:46 2010 +0200
@@ -0,0 +1,127 @@
+/*
+ *******************************************************************************
+ *
+ *   Copyright (C) 1999-2003, International Business Machines
+ *   Corporation and others.  All Rights Reserved.
+ *
+ *******************************************************************************
+ *   file name:  letest.cpp
+ *
+ *   created on: 11/06/2000
+ *   created by: Eric R. Mader
+ */
+
+#include "math.h"
+
+#include "LETypes.h"
+#include "LayoutEngine.h"
+#include "PortableFontInstance.h"
+
+#include "letest.h"
+
+U_NAMESPACE_USE
+
+le_bool compareResults(le_int32 testNumber, TestResult *expected, TestResult *actual)
+{
+    /* NOTE: we'll stop on the first failure 'cause once there's one error, it may cascade... */
+    if (actual->glyphCount != expected->glyphCount) {
+        printf("incorrect glyph count: exptected %d, got %d\n", expected->glyphCount, actual->glyphCount);
+        return FALSE;
+    }
+
+    le_int32 i;
+
+    for (i = 0; i < actual->glyphCount; i += 1) {
+        if (actual->glyphs[i] != expected->glyphs[i]) {
+            printf("incorrect id for glyph %d: expected %4X, got %4X\n", i, expected->glyphs[i], actual->glyphs[i]);
+            return FALSE;
+        }
+    }
+
+    for (i = 0; i < actual->glyphCount; i += 1) {
+        if (actual->indices[i] != expected->indices[i]) {
+            printf("incorrect index for glyph %d: expected %8X, got %8X\n", i, expected->indices[i], actual->indices[i]);
+            return FALSE;
+        }
+    }
+
+    for (i = 0; i <= actual->glyphCount; i += 1) {
+        double xError = fabs(actual->positions[i * 2] - expected->positions[i * 2]);
+
+        if (xError > 0.0001) {
+            printf("incorrect x position for glyph %d: expected %f, got %f\n", i, expected->positions[i * 2], actual->positions[i * 2]);
+            return FALSE;
+        }
+
+        double yError = fabs(actual->positions[i * 2 + 1] - expected->positions[i * 2 + 1]);
+
+        if (yError < 0) {
+            yError = -yError;
+        }
+
+        if (yError > 0.0001) {
+            printf("incorrect y position for glyph %d: expected %f, got %f\n", i, expected->positions[i * 2 + 1], actual->positions[i * 2 + 1]);
+            return FALSE;
+        }
+    }
+
+    return TRUE;
+}
+
+int main_entry()
+{
+    le_int32 failures = 0;
+
+    for (le_int32 test = 0; test < testCount; test += 1) {
+        LEErrorCode fontStatus = LE_NO_ERROR;
+
+        printf("Test %d, font = %s... ", test, testInputs[test].fontName);
+
+        PortableFontInstance fontInstance(testInputs[test].fontName, 12, fontStatus);
+
+        if (LE_FAILURE(fontStatus)) {
+            printf("could not open font.\n");
+            continue;
+        }
+
+        LEErrorCode success = LE_NO_ERROR;
+        LayoutEngine *engine = LayoutEngine::layoutEngineFactory(&fontInstance, testInputs[test].scriptCode, -1, success);
+        le_int32 textLength = testInputs[test].textLength;
+        le_bool result;
+        TestResult actual;
+
+        if (LE_FAILURE(success)) {
+            // would be nice to print the script name here, but
+            // don't want to maintain a table, and don't want to
+            // require ICU just for the script name...
+            printf("could not create a LayoutEngine.\n");
+            continue;
+        }
+
+        actual.glyphCount = engine->layoutChars(testInputs[test].text, 0, textLength, textLength, testInputs[test].rightToLeft, 0, 0, success);
+
+        actual.glyphs    = new LEGlyphID[actual.glyphCount];
+        actual.indices   = new le_int32[actual.glyphCount];
+        actual.positions = new float[actual.glyphCount * 2 + 2];
+
+        engine->getGlyphs(actual.glyphs, success);
+        engine->getCharIndices(actual.indices, success);
+        engine->getGlyphPositions(actual.positions, success);
+
+        result = compareResults(test, &testResults[test], &actual);
+
+        if (result) {
+            printf("passed.\n");
+        } else {
+            failures += 1;
+            printf("failed.\n");
+        }
+
+        delete[] actual.positions;
+        delete[] actual.indices;
+        delete[] actual.glyphs;
+        delete   engine;
+    }
+	
+    return failures;
+}