Examples of com.itextpdf.text.pdf.codec.PngWriter

com.itextpdf.text.pdf.codec.PngWriter
Writes a PNG image. @author Paulo Soares @since 5.0.3

            wr.writeFile(ms);
            streamContentType = ImageBytesType.CCITT;
            imageBytes = ms.toByteArray();
            return;
        } else {
            PngWriter png = new PngWriter(ms);
            if (decode != null){
                if (pngBitDepth == 1){
                    // if the decode array is 1,0, then we need to invert the image
                    if(decode.getAsNumber(0).intValue() == 1 && decode.getAsNumber(1).intValue() == 0){
                        int len = imageBytes.length;
                        for (int t = 0; t < len; ++t) {
                            imageBytes[t] ^= 0xff;
                        }
                    } else {
                        // if the decode array is 0,1, do nothing.  It's possible that the array could be 0,0 or 1,1 - but that would be silly, so we'll just ignore that case
                    }
                } else {
                    // todo: add decode transformation for other depths
                }
            }
            png.writeHeader(width, height, pngBitDepth, pngColorType);
            if (icc != null)
                png.writeIccProfile(icc);
            if (palette != null)
                png.writePalette(palette);
            png.writeData(imageBytes, stride);
            png.writeEnd();
            streamContentType = ImageBytesType.PNG;
            imageBytes = ms.toByteArray();
        }
    }

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                wr.addField(new TiffWriter.FieldUndefined(TIFFConstants.TIFFTAG_ICCPROFILE, icc));
            wr.writeFile(ms);
            fileType = TYPE_TIF;
            return ms.toByteArray();
        }
        PngWriter png = new PngWriter(ms);
        png.writeHeader(width, height, pngBitDepth, pngColorType);
        if (icc != null)
            png.writeIccProfile(icc);
        if (palette != null)
            png.writePalette(palette);
        png.writeData(streamBytes, stride);
        png.writeEnd();
        fileType = TYPE_PNG;
        return ms.toByteArray();
    }

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            wr.writeFile(ms);
            streamContentType = ImageBytesType.CCITT;
            imageBytes = ms.toByteArray();
            return;
        } else {
            PngWriter png = new PngWriter(ms);
            if (decode != null){
                if (pngBitDepth == 1){
                    // if the decode array is 1,0, then we need to invert the image
                    if(decode.getAsNumber(0).intValue() == 1 && decode.getAsNumber(1).intValue() == 0){
                        int len = imageBytes.length;
                        for (int t = 0; t < len; ++t) {
                            imageBytes[t] ^= 0xff;
                        }
                    } else {
                        // if the decode array is 0,1, do nothing.  It's possible that the array could be 0,0 or 1,1 - but that would be silly, so we'll just ignore that case
                    }
                } else {
                    // todo: add decode transformation for other depths
                }
            }
            png.writeHeader(width, height, pngBitDepth, pngColorType);
            if (icc != null)
                png.writeIccProfile(icc);
            if (palette != null)
                png.writePalette(palette);
            png.writeData(imageBytes, stride);
            png.writeEnd();
            streamContentType = ImageBytesType.PNG;
            imageBytes = ms.toByteArray();
        }
    }

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            wr.writeFile(ms);
            streamContentType = ImageBytesType.CCITT;
            imageBytes = ms.toByteArray();
            return;
        } else {
            PngWriter png = new PngWriter(ms);
            if (decode != null){
                if (pngBitDepth == 1){
                    // if the decode array is 1,0, then we need to invert the image
                    if(decode.getAsNumber(0).intValue() == 1 && decode.getAsNumber(1).intValue() == 0){
                        int len = imageBytes.length;
                        for (int t = 0; t < len; ++t) {
                            imageBytes[t] ^= 0xff;
                        }
                    } else {
                        // if the decode array is 0,1, do nothing.  It's possible that the array could be 0,0 or 1,1 - but that would be silly, so we'll just ignore that case
                    }
                } else {
                    // todo: add decode transformation for other depths
                }
            }
            png.writeHeader(width, height, pngBitDepth, pngColorType);
            if (icc != null)
                png.writeIccProfile(icc);
            if (palette != null)
                png.writePalette(palette);
            png.writeData(imageBytes, stride);
            png.writeEnd();
            streamContentType = ImageBytesType.PNG;
            imageBytes = ms.toByteArray();
        }
    }

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com.itextpdf.text.pdf.parser.PdfImageObject

java.util.zip.DeflaterOutputStream

java.io.ByteArrayOutputStream

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