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- /* ====================================================================
- Licensed to the Apache Software Foundation (ASF) under one or more
- contributor license agreements. See the NOTICE file distributed with
- this work for additional information regarding copyright ownership.
- The ASF licenses this file to You under the Apache License, Version 2.0
- (the "License"); you may not use this file except in compliance with
- the License. You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
- ==================================================================== */
-
- package org.apache.poi.hemf.draw;
-
- import static org.apache.poi.hwmf.record.HwmfBrushStyle.BS_NULL;
- import static org.apache.poi.hwmf.record.HwmfBrushStyle.BS_SOLID;
-
- import java.awt.Color;
- import java.awt.Graphics2D;
- import java.awt.geom.Path2D;
- import java.awt.geom.Point2D;
- import java.awt.geom.Rectangle2D;
- import java.util.function.Consumer;
-
- import org.apache.poi.hemf.record.emf.HemfRecord;
- import org.apache.poi.hwmf.draw.HwmfDrawProperties;
- import org.apache.poi.hwmf.draw.HwmfGraphics;
- import org.apache.poi.hwmf.record.HwmfColorRef;
- import org.apache.poi.hwmf.record.HwmfObjectTableEntry;
- import org.apache.poi.hwmf.record.HwmfPenStyle;
- import org.apache.poi.util.Internal;
-
- public class HemfGraphics extends HwmfGraphics {
-
- private static final HwmfColorRef WHITE = new HwmfColorRef(Color.WHITE);
- private static final HwmfColorRef LTGRAY = new HwmfColorRef(new Color(0x00C0C0C0));
- private static final HwmfColorRef GRAY = new HwmfColorRef(new Color(0x00808080));
- private static final HwmfColorRef DKGRAY = new HwmfColorRef(new Color(0x00404040));
- private static final HwmfColorRef BLACK = new HwmfColorRef(Color.BLACK);
-
-
- public HemfGraphics(Graphics2D graphicsCtx, Rectangle2D bbox) {
- super(graphicsCtx,bbox);
- // add dummy entry for object ind ex 0, as emf is 1-based
- objectIndexes.set(0);
- }
-
- @Override
- public HemfDrawProperties getProperties() {
- return (HemfDrawProperties)super.getProperties();
- }
-
- @Override
- protected HemfDrawProperties newProperties(HwmfDrawProperties oldProps) {
- return (oldProps == null)
- ? new HemfDrawProperties()
- : new HemfDrawProperties((HemfDrawProperties)oldProps);
- }
-
- public void draw(HemfRecord r) {
- r.draw(this);
- }
-
- @Internal
- public void draw(Consumer<Path2D> pathConsumer, FillDrawStyle fillDraw) {
- final HemfDrawProperties prop = getProperties();
- final boolean useBracket = prop.getUsePathBracket();
-
- final Path2D path;
- if (useBracket) {
- path = prop.getPath();
- } else {
- path = new Path2D.Double();
- path.setWindingRule(prop.getWindingRule());
- }
-
- // add dummy move-to at start, to handle invalid emfs not containing that move-to
- if (path.getCurrentPoint() == null) {
- Point2D pnt = prop.getLocation();
- path.moveTo(pnt.getX(), pnt.getY());
- }
-
- try {
- pathConsumer.accept(path);
- } catch (Exception e) {
- // workaround if a path has been started and no MoveTo command
- // has been specified before the first lineTo/splineTo
- final Point2D loc = prop.getLocation();
- path.moveTo(loc.getX(), loc.getY());
- pathConsumer.accept(path);
- }
-
- Point2D curPnt = path.getCurrentPoint();
- if (curPnt == null) {
- return;
- }
-
- prop.setLocation(curPnt);
- if (!useBracket) {
- switch (fillDraw) {
- case FILL:
- super.fill(path);
- break;
- case DRAW:
- super.draw(path);
- break;
- case FILL_DRAW:
- super.fill(path);
- super.draw(path);
- break;
- }
- }
-
- }
-
- /**
- * Adds or sets an record of type {@link HwmfObjectTableEntry} to the object table.
- * If the {@code index} is less than 1, the method acts the same as
- * {@link HwmfGraphics#addObjectTableEntry(HwmfObjectTableEntry)}, otherwise the
- * index is used to access the object table.
- * As the table is filled successively, the index must be between 1 and size+1
- *
- * @param entry the record to be stored
- * @param index the index to be overwritten, regardless if its content was unset before
- *
- * @see HwmfGraphics#addObjectTableEntry(HwmfObjectTableEntry)
- */
- public void addObjectTableEntry(HwmfObjectTableEntry entry, int index) {
- if (index < 1) {
- throw new IndexOutOfBoundsException("Object table entry index in EMF must be > 0 - invalid index: "+index);
- }
-
- objectIndexes.set(index);
- objectTable.put(index, entry);
- }
-
- @Override
- public void applyObjectTableEntry(int index) {
- if ((index & 0x80000000) != 0) {
- selectStockObject(index);
- } else {
- super.applyObjectTableEntry(index);
- }
- }
-
- private void selectStockObject(int objectIndex) {
- final HemfDrawProperties prop = getProperties();
- switch (objectIndex) {
- case 0x80000000:
- // WHITE_BRUSH - A white, solid-color brush
- // BrushStyle: BS_SOLID
- // Color: 0x00FFFFFF
- prop.setBrushColor(WHITE);
- prop.setBrushStyle(BS_SOLID);
- break;
- case 0x80000001:
- // LTGRAY_BRUSH - A light gray, solid-color brush
- // BrushStyle: BS_SOLID
- // Color: 0x00C0C0C0
- prop.setBrushColor(LTGRAY);
- prop.setBrushStyle(BS_SOLID);
- break;
- case 0x80000002:
- // GRAY_BRUSH - A gray, solid-color brush
- // BrushStyle: BS_SOLID
- // Color: 0x00808080
- prop.setBrushColor(GRAY);
- prop.setBrushStyle(BS_SOLID);
- break;
- case 0x80000003:
- // DKGRAY_BRUSH - A dark gray, solid color brush
- // BrushStyle: BS_SOLID
- // Color: 0x00404040
- prop.setBrushColor(DKGRAY);
- prop.setBrushStyle(BS_SOLID);
- break;
- case 0x80000004:
- // BLACK_BRUSH - A black, solid color brush
- // BrushStyle: BS_SOLID
- // Color: 0x00000000
- prop.setBrushColor(BLACK);
- prop.setBrushStyle(BS_SOLID);
- break;
- case 0x80000005:
- // NULL_BRUSH - A null brush
- // BrushStyle: BS_NULL
- prop.setBrushStyle(BS_NULL);
- break;
- case 0x80000006:
- // WHITE_PEN - A white, solid-color pen
- // PenStyle: PS_COSMETIC + PS_SOLID
- // ColorRef: 0x00FFFFFF
- prop.setPenStyle(HwmfPenStyle.valueOf(0));
- prop.setPenWidth(1);
- prop.setPenColor(WHITE);
- break;
- case 0x80000007:
- // BLACK_PEN - A black, solid-color pen
- // PenStyle: PS_COSMETIC + PS_SOLID
- // ColorRef: 0x00000000
- prop.setPenStyle(HwmfPenStyle.valueOf(0));
- prop.setPenWidth(1);
- prop.setPenColor(BLACK);
- break;
- case 0x80000008:
- // NULL_PEN - A null pen
- // PenStyle: PS_NULL
- prop.setPenStyle(HwmfPenStyle.valueOf(HwmfPenStyle.HwmfLineDash.NULL.wmfFlag));
- break;
- case 0x8000000A:
- // OEM_FIXED_FONT - A fixed-width, OEM character set
- // Charset: OEM_CHARSET
- // PitchAndFamily: FF_DONTCARE + FIXED_PITCH
- break;
- case 0x8000000B:
- // ANSI_FIXED_FONT - A fixed-width font
- // Charset: ANSI_CHARSET
- // PitchAndFamily: FF_DONTCARE + FIXED_PITCH
- break;
- case 0x8000000C:
- // ANSI_VAR_FONT - A variable-width font
- // Charset: ANSI_CHARSET
- // PitchAndFamily: FF_DONTCARE + VARIABLE_PITCH
- break;
- case 0x8000000D:
- // SYSTEM_FONT - A font that is guaranteed to be available in the operating system
- break;
- case 0x8000000E:
- // DEVICE_DEFAULT_FONT
- // The default font that is provided by the graphics device driver for the current output device
- break;
- case 0x8000000F:
- // DEFAULT_PALETTE
- // The default palette that is defined for the current output device.
- break;
- case 0x80000010:
- // SYSTEM_FIXED_FONT
- // A fixed-width font that is guaranteed to be available in the operating system.
- break;
- case 0x80000011:
- // DEFAULT_GUI_FONT
- // The default font that is used for user interface objects such as menus and dialog boxes.
- break;
- case 0x80000012:
- // DC_BRUSH
- // The solid-color brush that is currently selected in the playback device context.
- break;
- case 0x80000013:
- // DC_PEN
- // The solid-color pen that is currently selected in the playback device context.
- break;
- }
- }
- }
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