ICU-59180.0.1.tar.gz

[apple/icu.git] / icuSources / layout / loengine.cpp

diff --git a/icuSources/layout/loengine.cpp b/icuSources/layout/loengine.cpp
index 5e33d12e020165883890449fb5e1f96a42a37323..3718b9f6f8a4955873d69b6d660d09810f4e7060 100644 (file)
--- a/icuSources/layout/loengine.cpp
+++ b/icuSources/layout/loengine.cpp
@@ -1,17 +1,163 @@
 /*
- * @(#)loengine.cpp    1.0 00/12/07
  *
- * (C) Copyright IBM Corp. 1998, 1999, 2000 - All Rights Reserved
+ * (C) Copyright IBM Corp. 1998-2007 - All Rights Reserved
  *
  */
 
-#include "unicode/loengine.h"
+#include "LETypes.h"
+#include "loengine.h"
+#include "LayoutEngine.h"
 
-
-/*
- * This file is needed to make sure that the
- * inline methods defined in loengine.h are
- * exported by the build...
+/**
+ * \file 
+ * \brief C API for complex text layout.
  */
 
-const char ICULayoutEngine::fgClassID=0;
+U_NAMESPACE_USE
+
+U_CAPI le_engine * U_EXPORT2
+le_create(const le_font *font,
+                 le_int32 scriptCode,
+                 le_int32 languageCode,
+                 le_int32 typo_flags,
+                 LEErrorCode *success)
+{
+       LEFontInstance *fontInstance = (LEFontInstance *) font;
+
+       return (le_engine *) LayoutEngine::layoutEngineFactory(fontInstance, scriptCode, languageCode, typo_flags, *success);
+}
+
+U_CAPI void U_EXPORT2
+le_close(le_engine *engine)
+{
+       LayoutEngine *le = (LayoutEngine *) engine;
+
+       delete le;
+}
+
+U_CAPI le_int32 U_EXPORT2
+le_layoutChars(le_engine *engine,
+                          const LEUnicode chars[],
+                          le_int32 offset,
+                          le_int32 count,
+                          le_int32 max,
+                          le_bool rightToLeft,
+                          float x,
+                          float y,
+                          LEErrorCode *success)
+{
+       LayoutEngine *le = (LayoutEngine *) engine;
+
+       if (le == NULL) {
+               *success = LE_ILLEGAL_ARGUMENT_ERROR;
+               return -1;
+       }
+
+       return le->layoutChars(chars, offset, count, max, rightToLeft, x, y, *success);
+}
+
+U_CAPI le_int32 U_EXPORT2
+le_getGlyphCount(le_engine *engine,
+                                LEErrorCode *success)
+{
+       LayoutEngine *le = (LayoutEngine *) engine;
+
+       if (le == NULL) {
+               *success = LE_ILLEGAL_ARGUMENT_ERROR;
+               return -1;
+       }
+
+       return le->getGlyphCount();
+}
+
+U_CAPI void U_EXPORT2
+le_getGlyphs(le_engine *engine,
+                        LEGlyphID glyphs[],
+                        LEErrorCode *success)
+{
+       LayoutEngine *le = (LayoutEngine *) engine;
+
+       if (le == NULL) {
+               *success = LE_ILLEGAL_ARGUMENT_ERROR;
+               return;
+       }
+
+       le->getGlyphs(glyphs, *success);
+}
+
+U_CAPI void U_EXPORT2
+le_getCharIndices(le_engine *engine,
+                                 le_int32 charIndices[],
+                                 LEErrorCode *success)
+{
+       LayoutEngine *le = (LayoutEngine *) engine;
+
+       if (le == NULL) {
+               *success = LE_ILLEGAL_ARGUMENT_ERROR;
+               return;
+       }
+
+       le->getCharIndices(charIndices, *success);
+}
+
+U_CAPI void U_EXPORT2
+le_getCharIndicesWithBase(le_engine *engine,
+                                         le_int32 charIndices[],
+                                         le_int32 indexBase,
+                                         LEErrorCode *success)
+{
+       LayoutEngine *le = (LayoutEngine *) engine;
+
+       if (le == NULL) {
+               *success = LE_ILLEGAL_ARGUMENT_ERROR;
+               return;
+       }
+
+       le->getCharIndices(charIndices, indexBase, *success);
+}
+
+U_CAPI void U_EXPORT2
+le_getGlyphPositions(le_engine *engine,
+                                        float positions[],
+                                        LEErrorCode *success)
+{
+       LayoutEngine *le = (LayoutEngine *) engine;
+
+       if (le == NULL) {
+               *success = LE_ILLEGAL_ARGUMENT_ERROR;
+               return;
+       }
+
+       le->getGlyphPositions(positions, *success);
+}
+
+U_CAPI void U_EXPORT2
+le_getGlyphPosition(le_engine *engine,
+                                       le_int32 glyphIndex,
+                                       float *x,
+                                       float *y,
+                                       LEErrorCode *success)
+{
+       LayoutEngine *le = (LayoutEngine *) engine;
+
+       if (le == NULL) {
+               *success = LE_ILLEGAL_ARGUMENT_ERROR;
+               return;
+       }
+
+       le->getGlyphPosition(glyphIndex, *x, *y, *success);
+}
+
+U_CAPI void U_EXPORT2
+le_reset(le_engine *engine,
+                LEErrorCode *success)
+{
+       LayoutEngine *le = (LayoutEngine *) engine;
+
+       if (le == NULL) {
+               *success = LE_ILLEGAL_ARGUMENT_ERROR;
+               return;
+       }
+
+       le->reset();
+}