diff -r fd16c54261b3 -r 90ce3da70b43 jdk/src/share/native/sun/font/layout/AnchorTables.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/jdk/src/share/native/sun/font/layout/AnchorTables.cpp Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,126 @@ +/* + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. Sun designates this + * particular file as subject to the "Classpath" exception as provided + * by Sun in the LICENSE file that accompanied this code. + * + * This code 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 General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + +/* + * + * (C) Copyright IBM Corp. 1998-2005 - All Rights Reserved + * + */ + +#include "LETypes.h" +#include "LEFontInstance.h" +#include "DeviceTables.h" +#include "AnchorTables.h" +#include "LESwaps.h" + +void AnchorTable::getAnchor(LEGlyphID glyphID, const LEFontInstance *fontInstance, + LEPoint &anchor) const +{ + switch(SWAPW(anchorFormat)) { + case 1: + { + const Format1AnchorTable *f1 = (const Format1AnchorTable *) this; + + f1->getAnchor(fontInstance, anchor); + break; + } + + case 2: + { + const Format2AnchorTable *f2 = (const Format2AnchorTable *) this; + + f2->getAnchor(glyphID, fontInstance, anchor); + break; + } + + case 3: + { + const Format3AnchorTable *f3 = (const Format3AnchorTable *) this; + + f3->getAnchor(fontInstance, anchor); + break; + } + + default: + // unknown format: just use x, y coordinate, like format 1... + const Format1AnchorTable *f1 = (const Format1AnchorTable *) this; + + f1->getAnchor(fontInstance, anchor); + break; + } +} + +void Format1AnchorTable::getAnchor(const LEFontInstance *fontInstance, LEPoint &anchor) const +{ + le_int16 x = SWAPW(xCoordinate); + le_int16 y = SWAPW(yCoordinate); + LEPoint pixels; + + fontInstance->transformFunits(x, y, pixels); + + fontInstance->pixelsToUnits(pixels, anchor); +} + +void Format2AnchorTable::getAnchor(LEGlyphID glyphID, const LEFontInstance *fontInstance, LEPoint &anchor) const +{ + LEPoint point; + + if (! fontInstance->getGlyphPoint(glyphID, SWAPW(anchorPoint), point)) { + le_int16 x = SWAPW(xCoordinate); + le_int16 y = SWAPW(yCoordinate); + + fontInstance->transformFunits(x, y, point); + } + + + fontInstance->pixelsToUnits(point, anchor); +} + +void Format3AnchorTable::getAnchor(const LEFontInstance *fontInstance, LEPoint &anchor) const +{ + le_int16 x = SWAPW(xCoordinate); + le_int16 y = SWAPW(yCoordinate); + LEPoint pixels; + Offset dtxOffset = SWAPW(xDeviceTableOffset); + Offset dtyOffset = SWAPW(yDeviceTableOffset); + + fontInstance->transformFunits(x, y, pixels); + + if (dtxOffset != 0) { + const DeviceTable *dtx = (const DeviceTable *) ((char *) this + dtxOffset); + le_int16 adjx = dtx->getAdjustment((le_int16) fontInstance->getXPixelsPerEm()); + + pixels.fX += adjx; + } + + if (dtyOffset != 0) { + const DeviceTable *dty = (const DeviceTable *) ((char *) this + dtyOffset); + le_int16 adjy = dty->getAdjustment((le_int16) fontInstance->getYPixelsPerEm()); + + pixels.fY += adjy; + } + + fontInstance->pixelsToUnits(pixels, anchor); +}