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Added #2079 Replace DefineSprite with GIF

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Jindra Petřík
2023-10-03 22:14:10 +02:00
parent 8a92a273a5
commit 43f1dc4f35
24 changed files with 3461 additions and 12 deletions
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148
libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/importers/SpriteImporter.java Normal file
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/*
* Copyright (C) 2010-2023 JPEXS, All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3.0 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library.
*/
package com.jpexs.decompiler.flash.importers;
import at.dhyan.open_imaging.GifDecoder;
import at.dhyan.open_imaging.GifDecoder.GifImage;
import com.jpexs.decompiler.flash.SWF;
import com.jpexs.decompiler.flash.tags.DefineShape2Tag;
import com.jpexs.decompiler.flash.tags.DefineSpriteTag;
import com.jpexs.decompiler.flash.tags.PlaceObject2Tag;
import com.jpexs.decompiler.flash.tags.RemoveObjectTag;
import com.jpexs.decompiler.flash.tags.ShowFrameTag;
import com.jpexs.decompiler.flash.tags.Tag;
import com.jpexs.decompiler.flash.tags.base.CharacterIdTag;
import com.jpexs.decompiler.flash.tags.base.CharacterTag;
import com.jpexs.decompiler.flash.tags.base.PlaceObjectTypeTag;
import com.jpexs.decompiler.flash.timeline.Timelined;
import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;
import javax.imageio.ImageIO;
/**
*
* @author JPEXS
*/
public class SpriteImporter {
private void removeCharacters(Set<Integer> usedCharacters, SWF swf) {
for (int ch:usedCharacters) {
CharacterTag ct = swf.getCharacter(ch);
if (ct == null) {
continue;
}
if (!ct.getClassNames().isEmpty()) {
continue;
}
if (ct.getExportName() != null) {
continue;
}
Set<Integer> dependentCharacters = swf.getDependentCharacters(ch);
if (dependentCharacters.isEmpty()) {
Set<Integer> needed = new LinkedHashSet<>();
ct.getNeededCharacters(needed, swf);
List<CharacterIdTag> attachedTags = swf.getCharacterIdTags(ch);
for (CharacterIdTag cit : attachedTags) {
if (cit instanceof Tag) {
Tag citt = (Tag) cit;
citt.getTimelined().removeTag(citt);
}
}
ct.getTimelined().removeTag(ct);
swf.computeDependentCharacters();
removeCharacters(needed, swf);
}
}
}
public boolean importSprite(DefineSpriteTag spriteTag, InputStream is) throws IOException {
final GifImage gif = GifDecoder.read(is);
final int frameCount = gif.getFrameCount();
Set<Integer> usedCharacters = new LinkedHashSet<>();
for (int i = spriteTag.getTags().size() - 1; i >= 0; i--) {
Tag t = spriteTag.getTags().get(i);
if (t instanceof PlaceObjectTypeTag) {
PlaceObjectTypeTag pt = (PlaceObjectTypeTag)t;
int characterId = pt.getCharacterId();
if (characterId != -1) {
usedCharacters.add(characterId);
}
}
spriteTag.removeTag(i);
}
spriteTag.getSwf().computeDependentCharacters();
removeCharacters(usedCharacters, spriteTag.getSwf());
ShapeImporter shapeImporter = new ShapeImporter();
SWF swf = spriteTag.getSwf();
float swfFrameRate = swf.frameRate;
int gifFrameTimeMs = 0;
int gifFrame = 0;
int swfFrame = 0;
int lastGifFrame = -1;
int gifFrameCount = gif.getFrameCount();
while (gifFrame < gifFrameCount) {
if (lastGifFrame != gifFrame) {
final BufferedImage img = gif.getFrame(gifFrame);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ImageIO.write(img, "png", baos);
byte frameImageData[] = baos.toByteArray();
DefineShape2Tag shapeTag = new DefineShape2Tag(spriteTag.getSwf());
SWF.addTagBefore(shapeTag, spriteTag);
shapeImporter.importImage(shapeTag, frameImageData, 0, false);
PlaceObject2Tag placeObject = new PlaceObject2Tag(swf);
placeObject.placeFlagHasCharacter = true;
placeObject.characterId = shapeTag.shapeId;
placeObject.depth = 1;
if (swfFrame > 0) {
placeObject.placeFlagMove = true;
}
spriteTag.addTag(placeObject);
placeObject.setTimelined(spriteTag);
}
ShowFrameTag showFrame = new ShowFrameTag(swf);
spriteTag.addTag(showFrame);
showFrame.setTimelined(spriteTag);
lastGifFrame = gifFrame;
swfFrame++;
float swfFrameTimeMs = swfFrame * 100 / swfFrameRate;
while (gifFrame < gifFrameCount && gifFrameTimeMs + gif.getDelay(gifFrame) < swfFrameTimeMs) {
gifFrameTimeMs += gif.getDelay(gifFrame);
gifFrame++;
}
}
spriteTag.frameCount = frameCount;
spriteTag.hasEndTag = true;
spriteTag.resetTimeline();
swf.resetTimeline();
return true;
}
}