| /* |
| * 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.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" |
| |
| U_NAMESPACE_BEGIN |
| |
| void AnchorTable::getAnchor(const LETableReference &base, LEGlyphID glyphID, const LEFontInstance *fontInstance, |
| LEPoint &anchor, LEErrorCode &success) const |
| { |
| switch(SWAPW(anchorFormat)) { |
| case 1: |
| { |
| LEReferenceTo<Format1AnchorTable> f1(base, success); |
| if (LE_SUCCESS(success)) { |
| f1->getAnchor(f1, fontInstance, anchor, success); |
| } |
| break; |
| } |
| |
| case 2: |
| { |
| LEReferenceTo<Format2AnchorTable> f2(base, success); |
| if (LE_SUCCESS(success)) { |
| f2->getAnchor(f2, glyphID, fontInstance, anchor, success); |
| } |
| break; |
| } |
| |
| case 3: |
| { |
| LEReferenceTo<Format3AnchorTable> f3(base, success); |
| if (LE_SUCCESS(success)) { |
| f3->getAnchor(f3, fontInstance, anchor, success); |
| } |
| break; |
| } |
| |
| default: |
| { |
| // unknown format: just use x, y coordinate, like format 1... |
| LEReferenceTo<Format1AnchorTable> f1(base, success); |
| if (LE_SUCCESS(success)) { |
| f1->getAnchor(f1, fontInstance, anchor, success); |
| } |
| break; |
| } |
| } |
| } |
| |
| void Format1AnchorTable::getAnchor(const LEReferenceTo<Format1AnchorTable>& base, const LEFontInstance *fontInstance, LEPoint &anchor, LEErrorCode &success) 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(const LEReferenceTo<Format2AnchorTable>& base, |
| LEGlyphID glyphID, const LEFontInstance *fontInstance, LEPoint &anchor |
| , LEErrorCode &success) 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 LEReferenceTo<Format3AnchorTable> &base, const LEFontInstance *fontInstance, |
| LEPoint &anchor, LEErrorCode &success) 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) { |
| LEReferenceTo<DeviceTable> dt(base, success, dtxOffset); |
| if (LE_SUCCESS(success)) { |
| le_int16 adjx = dt->getAdjustment(dt, (le_int16) fontInstance->getXPixelsPerEm(), success); |
| pixels.fX += adjx; |
| } |
| } |
| |
| if (dtyOffset != 0) { |
| LEReferenceTo<DeviceTable> dt(base, success, dtyOffset); |
| if (LE_SUCCESS(success)) { |
| le_int16 adjy = dt->getAdjustment(dt, (le_int16) fontInstance->getYPixelsPerEm(), success); |
| pixels.fY += adjy; |
| } |
| } |
| |
| fontInstance->pixelsToUnits(pixels, anchor); |
| } |
| |
| U_NAMESPACE_END |
| |