0N/A/*
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A *
0N/A */
0N/A
0N/A/*
0N/A *
0N/A * (C) Copyright IBM Corp. 1998-2005 - All Rights Reserved
0N/A *
0N/A */
0N/A
0N/A#include "LETypes.h"
0N/A#include "LEFontInstance.h"
0N/A#include "OpenTypeTables.h"
0N/A#include "ValueRecords.h"
0N/A#include "DeviceTables.h"
0N/A#include "GlyphIterator.h"
0N/A#include "LESwaps.h"
0N/A
1693N/AU_NAMESPACE_BEGIN
1693N/A
0N/A#define Nibble(value, nibble) ((value >> (nibble * 4)) & 0xF)
0N/A#define NibbleBits(value, nibble) (bitsInNibble[Nibble(value, nibble)])
0N/A
0N/Ale_int16 ValueRecord::getFieldValue(ValueFormat valueFormat, ValueRecordField field) const
0N/A{
0N/A le_int16 valueIndex = getFieldIndex(valueFormat, field);
0N/A le_int16 value = values[valueIndex];
0N/A
0N/A return SWAPW(value);
0N/A}
0N/A
0N/Ale_int16 ValueRecord::getFieldValue(le_int16 index, ValueFormat valueFormat, ValueRecordField field) const
0N/A{
0N/A le_int16 baseIndex = getFieldCount(valueFormat) * index;
0N/A le_int16 valueIndex = getFieldIndex(valueFormat, field);
0N/A le_int16 value = values[baseIndex + valueIndex];
0N/A
0N/A return SWAPW(value);
0N/A}
0N/A
0N/Avoid ValueRecord::adjustPosition(ValueFormat valueFormat, const char *base, GlyphIterator &glyphIterator,
0N/A const LEFontInstance *fontInstance) const
0N/A{
0N/A float xPlacementAdjustment = 0;
0N/A float yPlacementAdjustment = 0;
0N/A float xAdvanceAdjustment = 0;
0N/A float yAdvanceAdjustment = 0;
0N/A
0N/A if ((valueFormat & vfbXPlacement) != 0) {
0N/A le_int16 value = getFieldValue(valueFormat, vrfXPlacement);
0N/A LEPoint pixels;
0N/A
0N/A fontInstance->transformFunits(value, 0, pixels);
0N/A
0N/A xPlacementAdjustment += fontInstance->xPixelsToUnits(pixels.fX);
0N/A yPlacementAdjustment += fontInstance->yPixelsToUnits(pixels.fY);
0N/A }
0N/A
0N/A if ((valueFormat & vfbYPlacement) != 0) {
0N/A le_int16 value = getFieldValue(valueFormat, vrfYPlacement);
0N/A LEPoint pixels;
0N/A
0N/A fontInstance->transformFunits(0, value, pixels);
0N/A
0N/A xPlacementAdjustment += fontInstance->xPixelsToUnits(pixels.fX);
0N/A yPlacementAdjustment += fontInstance->yPixelsToUnits(pixels.fY);
0N/A }
0N/A
0N/A if ((valueFormat & vfbXAdvance) != 0) {
0N/A le_int16 value = getFieldValue(valueFormat, vrfXAdvance);
0N/A LEPoint pixels;
0N/A
0N/A fontInstance->transformFunits(value, 0, pixels);
0N/A
0N/A xAdvanceAdjustment += fontInstance->xPixelsToUnits(pixels.fX);
0N/A yAdvanceAdjustment += fontInstance->yPixelsToUnits(pixels.fY);
0N/A }
0N/A
0N/A if ((valueFormat & vfbYAdvance) != 0) {
0N/A le_int16 value = getFieldValue(valueFormat, vrfYAdvance);
0N/A LEPoint pixels;
0N/A
0N/A fontInstance->transformFunits(0, value, pixels);
0N/A
0N/A xAdvanceAdjustment += fontInstance->xPixelsToUnits(pixels.fX);
0N/A yAdvanceAdjustment += fontInstance->yPixelsToUnits(pixels.fY);
0N/A }
0N/A
0N/A // FIXME: The device adjustments should really be transformed, but
0N/A // the only way I know how to do that is to convert them to le_int16 units,
0N/A // transform them, and then convert them back to pixels. Sigh...
0N/A if ((valueFormat & vfbAnyDevice) != 0) {
0N/A le_int16 xppem = (le_int16) fontInstance->getXPixelsPerEm();
0N/A le_int16 yppem = (le_int16) fontInstance->getYPixelsPerEm();
0N/A
0N/A if ((valueFormat & vfbXPlaDevice) != 0) {
0N/A Offset dtOffset = getFieldValue(valueFormat, vrfXPlaDevice);
0N/A
0N/A if (dtOffset != 0) {
0N/A const DeviceTable *dt = (const DeviceTable *) (base + dtOffset);
0N/A le_int16 xAdj = dt->getAdjustment(xppem);
0N/A
0N/A xPlacementAdjustment += fontInstance->xPixelsToUnits(xAdj);
0N/A }
0N/A }
0N/A
0N/A if ((valueFormat & vfbYPlaDevice) != 0) {
0N/A Offset dtOffset = getFieldValue(valueFormat, vrfYPlaDevice);
0N/A
0N/A if (dtOffset != 0) {
0N/A const DeviceTable *dt = (const DeviceTable *) (base + dtOffset);
0N/A le_int16 yAdj = dt->getAdjustment(yppem);
0N/A
0N/A yPlacementAdjustment += fontInstance->yPixelsToUnits(yAdj);
0N/A }
0N/A }
0N/A
0N/A if ((valueFormat & vfbXAdvDevice) != 0) {
0N/A Offset dtOffset = getFieldValue(valueFormat, vrfXAdvDevice);
0N/A
0N/A if (dtOffset != 0) {
0N/A const DeviceTable *dt = (const DeviceTable *) (base + dtOffset);
0N/A le_int16 xAdj = dt->getAdjustment(xppem);
0N/A
0N/A xAdvanceAdjustment += fontInstance->xPixelsToUnits(xAdj);
0N/A }
0N/A }
0N/A
0N/A if ((valueFormat & vfbYAdvDevice) != 0) {
0N/A Offset dtOffset = getFieldValue(valueFormat, vrfYAdvDevice);
0N/A
0N/A if (dtOffset != 0) {
0N/A const DeviceTable *dt = (const DeviceTable *) (base + dtOffset);
0N/A le_int16 yAdj = dt->getAdjustment(yppem);
0N/A
0N/A yAdvanceAdjustment += fontInstance->yPixelsToUnits(yAdj);
0N/A }
0N/A }
0N/A }
0N/A
0N/A glyphIterator.adjustCurrGlyphPositionAdjustment(
0N/A xPlacementAdjustment, yPlacementAdjustment, xAdvanceAdjustment, yAdvanceAdjustment);
0N/A}
0N/A
1693N/Avoid ValueRecord::adjustPosition(le_int16 index, ValueFormat valueFormat, const char *base, GlyphIterator &glyphIterator,
1693N/A const LEFontInstance *fontInstance) const
0N/A{
0N/A float xPlacementAdjustment = 0;
0N/A float yPlacementAdjustment = 0;
0N/A float xAdvanceAdjustment = 0;
0N/A float yAdvanceAdjustment = 0;
0N/A
0N/A if ((valueFormat & vfbXPlacement) != 0) {
0N/A le_int16 value = getFieldValue(index, valueFormat, vrfXPlacement);
0N/A LEPoint pixels;
0N/A
0N/A fontInstance->transformFunits(value, 0, pixels);
0N/A
0N/A xPlacementAdjustment += fontInstance->xPixelsToUnits(pixels.fX);
0N/A yPlacementAdjustment += fontInstance->yPixelsToUnits(pixels.fY);
0N/A }
0N/A
0N/A if ((valueFormat & vfbYPlacement) != 0) {
0N/A le_int16 value = getFieldValue(index, valueFormat, vrfYPlacement);
0N/A LEPoint pixels;
0N/A
0N/A fontInstance->transformFunits(0, value, pixels);
0N/A
0N/A xPlacementAdjustment += fontInstance->xPixelsToUnits(pixels.fX);
0N/A yPlacementAdjustment += fontInstance->yPixelsToUnits(pixels.fY);
0N/A }
0N/A
0N/A if ((valueFormat & vfbXAdvance) != 0) {
0N/A le_int16 value = getFieldValue(index, valueFormat, vrfXAdvance);
0N/A LEPoint pixels;
0N/A
0N/A fontInstance->transformFunits(value, 0, pixels);
0N/A
0N/A xAdvanceAdjustment += fontInstance->xPixelsToUnits(pixels.fX);
0N/A yAdvanceAdjustment += fontInstance->yPixelsToUnits(pixels.fY);
0N/A }
0N/A
0N/A if ((valueFormat & vfbYAdvance) != 0) {
0N/A le_int16 value = getFieldValue(index, valueFormat, vrfYAdvance);
0N/A LEPoint pixels;
0N/A
0N/A fontInstance->transformFunits(0, value, pixels);
0N/A
0N/A xAdvanceAdjustment += fontInstance->xPixelsToUnits(pixels.fX);
0N/A yAdvanceAdjustment += fontInstance->yPixelsToUnits(pixels.fY);
0N/A }
0N/A
0N/A // FIXME: The device adjustments should really be transformed, but
0N/A // the only way I know how to do that is to convert them to le_int16 units,
0N/A // transform them, and then convert them back to pixels. Sigh...
0N/A if ((valueFormat & vfbAnyDevice) != 0) {
0N/A le_int16 xppem = (le_int16) fontInstance->getXPixelsPerEm();
0N/A le_int16 yppem = (le_int16) fontInstance->getYPixelsPerEm();
0N/A
0N/A if ((valueFormat & vfbXPlaDevice) != 0) {
0N/A Offset dtOffset = getFieldValue(index, valueFormat, vrfXPlaDevice);
0N/A
0N/A if (dtOffset != 0) {
0N/A const DeviceTable *dt = (const DeviceTable *) (base + dtOffset);
0N/A le_int16 xAdj = dt->getAdjustment(xppem);
0N/A
0N/A xPlacementAdjustment += fontInstance->xPixelsToUnits(xAdj);
0N/A }
0N/A }
0N/A
0N/A if ((valueFormat & vfbYPlaDevice) != 0) {
0N/A Offset dtOffset = getFieldValue(index, valueFormat, vrfYPlaDevice);
0N/A
0N/A if (dtOffset != 0) {
0N/A const DeviceTable *dt = (const DeviceTable *) (base + dtOffset);
0N/A le_int16 yAdj = dt->getAdjustment(yppem);
0N/A
0N/A yPlacementAdjustment += fontInstance->yPixelsToUnits(yAdj);
0N/A }
0N/A }
0N/A
0N/A if ((valueFormat & vfbXAdvDevice) != 0) {
0N/A Offset dtOffset = getFieldValue(index, valueFormat, vrfXAdvDevice);
0N/A
0N/A if (dtOffset != 0) {
0N/A const DeviceTable *dt = (const DeviceTable *) (base + dtOffset);
0N/A le_int16 xAdj = dt->getAdjustment(xppem);
0N/A
0N/A xAdvanceAdjustment += fontInstance->xPixelsToUnits(xAdj);
0N/A }
0N/A }
0N/A
0N/A if ((valueFormat & vfbYAdvDevice) != 0) {
0N/A Offset dtOffset = getFieldValue(index, valueFormat, vrfYAdvDevice);
0N/A
0N/A if (dtOffset != 0) {
0N/A const DeviceTable *dt = (const DeviceTable *) (base + dtOffset);
0N/A le_int16 yAdj = dt->getAdjustment(yppem);
0N/A
0N/A yAdvanceAdjustment += fontInstance->yPixelsToUnits(yAdj);
0N/A }
0N/A }
0N/A }
0N/A
0N/A glyphIterator.adjustCurrGlyphPositionAdjustment(
0N/A xPlacementAdjustment, yPlacementAdjustment, xAdvanceAdjustment, yAdvanceAdjustment);
0N/A}
0N/A
0N/Ale_int16 ValueRecord::getSize(ValueFormat valueFormat)
0N/A{
0N/A return getFieldCount(valueFormat) * sizeof(le_int16);
0N/A}
0N/A
0N/Ale_int16 ValueRecord::getFieldCount(ValueFormat valueFormat)
0N/A{
0N/A static const le_int16 bitsInNibble[] =
0N/A {
0N/A 0 + 0 + 0 + 0,
0N/A 0 + 0 + 0 + 1,
0N/A 0 + 0 + 1 + 0,
0N/A 0 + 0 + 1 + 1,
0N/A 0 + 1 + 0 + 0,
0N/A 0 + 1 + 0 + 1,
0N/A 0 + 1 + 1 + 0,
0N/A 0 + 1 + 1 + 1,
0N/A 1 + 0 + 0 + 0,
0N/A 1 + 0 + 0 + 1,
0N/A 1 + 0 + 1 + 0,
0N/A 1 + 0 + 1 + 1,
0N/A 1 + 1 + 0 + 0,
0N/A 1 + 1 + 0 + 1,
0N/A 1 + 1 + 1 + 0,
0N/A 1 + 1 + 1 + 1
0N/A };
0N/A
0N/A valueFormat &= ~vfbReserved;
0N/A
0N/A return NibbleBits(valueFormat, 0) + NibbleBits(valueFormat, 1) +
0N/A NibbleBits(valueFormat, 2) + NibbleBits(valueFormat, 3);
0N/A}
0N/A
0N/Ale_int16 ValueRecord::getFieldIndex(ValueFormat valueFormat, ValueRecordField field)
0N/A{
0N/A static const le_uint16 beforeMasks[] =
0N/A {
0N/A 0x0000,
0N/A 0x0001,
0N/A 0x0003,
0N/A 0x0007,
0N/A 0x000F,
0N/A 0x001F,
0N/A 0x003F,
0N/A 0x007F,
0N/A 0x00FF,
0N/A 0x01FF,
0N/A 0x03FF,
0N/A 0x07FF,
0N/A 0x0FFF,
0N/A 0x1FFF,
0N/A 0x3FFF,
0N/A 0x7FFF,
0N/A 0xFFFF
0N/A };
0N/A
0N/A return getFieldCount(valueFormat & beforeMasks[field]);
0N/A}
1693N/A
1693N/AU_NAMESPACE_END