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Exporting PDFs with selectable text

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This commit is contained in:
Jindra Petřík
2021-02-18 22:14:35 +01:00
parent edb4686ebe
commit 8aaf3a3b42
5 changed files with 33 additions and 40 deletions
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72
libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/exporters/FrameExporter.java
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@@ -26,6 +26,7 @@ import com.jpexs.decompiler.flash.configuration.Configuration;
import com.jpexs.decompiler.flash.exporters.commonshape.ExportRectangle;
import com.jpexs.decompiler.flash.exporters.commonshape.Matrix;
import com.jpexs.decompiler.flash.exporters.commonshape.SVGExporter;
import com.jpexs.decompiler.flash.exporters.modes.FontExportMode;
import com.jpexs.decompiler.flash.exporters.modes.FrameExportMode;
import com.jpexs.decompiler.flash.exporters.settings.ButtonExportSettings;
import com.jpexs.decompiler.flash.exporters.settings.FrameExportSettings;
@@ -62,6 +63,7 @@ import com.jpexs.decompiler.flash.types.filters.GRADIENTGLOWFILTER;
import com.jpexs.helpers.Helper;
import com.jpexs.helpers.Path;
import com.jpexs.helpers.utf8.Utf8Helper;
import gnu.jpdf.PDFGraphics;
import gnu.jpdf.PDFJob;
import java.awt.Color;
import java.awt.Font;
@@ -78,9 +80,11 @@ import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.Stack;
import java.util.logging.Level;
@@ -471,21 +475,18 @@ public class FrameExporter {
int pos = 0;
RECT rect = tim.displayRect;
double zoom = settings.zoom;
int imageWidth = (int) (rect.getWidth() * zoom / SWF.unitDivisor) + 1;
int imageHeight = (int) (rect.getHeight() * zoom / SWF.unitDivisor) + 1;
Matrix m = new Matrix();
m.translate(-rect.Xmin * zoom, -rect.Ymin * zoom);
m.scale(zoom);
Matrix transformation = m;
Map<Integer, Font> existingFonts = new HashMap<>();
while (true) {
int fframe = fframes.get(pos);
Graphics2D g = (Graphics2D) job.getGraphics(pf);
g.drawImage(img, 5, 5, img.getWidth(), img.getHeight(), null);
//This should print texts to PDF, but currently does nothing as gnujpdf does
//not handle rotations correctly
printStringsToImage(g, imageWidth, imageHeight, fframe, swf, tim, transformation);
printStringsToImage(existingFonts, g, fframe, swf, tim, transformation);
g.dispose();
if (frameImages.hasNext()) {
@@ -513,7 +514,7 @@ public class FrameExporter {
return ret;
}
private static void printStringsToImage(Graphics2D g, int imageWidth, int imageHeight, int frame, SWF swf, Timeline tim, Matrix transformation) {
private static void printStringsToImage(Map<Integer, Font> existingFonts, Graphics2D g, int frame, SWF swf, Timeline tim, Matrix transformation) {
double unzoom = SWF.unitDivisor;
Matrix absoluteTransformation = transformation;
@@ -533,52 +534,31 @@ public class FrameExporter {
}
CharacterTag character = swf.getCharacter(layer.characterId);
Matrix layerMatrix = new Matrix(layer.matrix);
Matrix mat = transformation.concatenate(layerMatrix);
Matrix absMat = absoluteTransformation.concatenate(layerMatrix);
if (character instanceof DrawableTag) {
printStringsDrawDrawable(g, swf, imageWidth, imageHeight, layer, layerMatrix, transformation, absMat, time, layer.ratio, (DrawableTag) character, unzoom);
printStringsDrawDrawable(existingFonts, g, swf, layerMatrix, transformation, absMat, time, layer.ratio, (DrawableTag) character, unzoom);
}
}
}
private static void printStringsDrawDrawable(Graphics2D g, SWF swf, int imageWidth, int imageHeight, DepthState layer, Matrix layerMatrix, Matrix transformation, Matrix absMat, int time, int ratio, DrawableTag drawable, double unzoom) {
Matrix drawMatrix = new Matrix();
private static void printStringsDrawDrawable(Map<Integer, Font> existingFonts, Graphics2D g, SWF swf, Matrix layerMatrix, Matrix transformation, Matrix absMat, int time, int ratio, DrawableTag drawable, double unzoom) {
int drawableFrameCount = drawable.getNumFrames();
if (drawableFrameCount == 0) {
drawableFrameCount = 1;
}
RECT boundRect = drawable.getRect();
ExportRectangle rect = new ExportRectangle(boundRect);
Matrix mat = transformation.concatenate(layerMatrix);
rect = mat.transform(rect);
int dframe = time % drawableFrameCount;
rect.xMin -= unzoom;
rect.yMin -= unzoom;
rect.xMin = Math.max(0, rect.xMin);
rect.yMin = Math.max(0, rect.yMin);
drawMatrix.translate(rect.xMin, rect.yMin);
int newWidth = (int) (rect.getWidth() / unzoom);
int newHeight = (int) (rect.getHeight() / unzoom);
int deltaX = (int) (rect.xMin / unzoom);
int deltaY = (int) (rect.yMin / unzoom);
newWidth = Math.min(imageWidth - deltaX, newWidth) + 1;
newHeight = Math.min(imageHeight - deltaY, newHeight) + 1;
if (newWidth <= 0 || newHeight <= 0) {
return;
}
Matrix m = mat.preConcatenate(Matrix.getTranslateInstance(-rect.xMin, -rect.yMin));
Matrix m = mat; //mat.preConcatenate(Matrix.getTranslateInstance(-rect.xMin, -rect.yMin));
if (drawable instanceof DefineSpriteTag) {
printStringsToImage(g, newWidth, newHeight, dframe, swf, ((Timelined) drawable).getTimeline(), m);
printStringsToImage(existingFonts, g, dframe, swf, ((Timelined) drawable).getTimeline(), m);
}
if (drawable instanceof StaticTextTag) {
StaticTextTag staticText = (StaticTextTag) drawable;
Matrix trans = mat.preConcatenate(Matrix.getScaleInstance(1 / SWF.unitDivisor));
//This does not work yet, since GnuJPDF does not support correct transform handling - rotation, etc. :-(
//g.setTransform(trans.toTransform());
Matrix mat0 = mat.concatenate(new Matrix(staticText.textMatrix));
Matrix trans = mat0.preConcatenate(Matrix.getScaleInstance(1 / SWF.unitDivisor));
trans = trans.preConcatenate(Matrix.getTranslateInstance(5, 5));
FontTag font = null;
int textHeight = 12;
int x = 0;
@@ -604,12 +584,24 @@ public class FrameExporter {
}
}
//This does not work yet, since GnuJPDF does not support correct transform handling - rotation, etc. :-(
/*
Font currentFont = g.getFont();
Font newFont = currentFont.deriveFont((float) (textHeight / SWF.unitDivisor));
g.setFont(newFont);
g.drawString(text.toString(), (float) x, (float) y);*/
PDFGraphics g2 = (PDFGraphics) g;
if (existingFonts.containsKey(rec.fontId)) {
g2.setExistingTtfFont(existingFonts.get(rec.fontId));
} else {
FontExporter fe = new FontExporter();
File tempFile;
try {
tempFile = File.createTempFile("ffdec_font_export_", ".ttf");
fe.exportFont(font, FontExportMode.TTF, tempFile);
Font f = new Font("/MYFONT" + rec.fontId, font.getFontStyle(), textHeight);
existingFonts.put(rec.fontId, f);
g2.setTtfFont(f, tempFile);
} catch (IOException ex) {
Logger.getLogger(FrameExporter.class.getName()).log(Level.SEVERE, null, ex);
}
}
g2.drawTransparentStringWithTransform(text.toString(), (float) x, (float) y, trans.toTransform());
}
}