Thanks for the reply.
In the meantime I have installed the fonts, listFonts() does indeed
perform as required :o), and still see the same issue.
I have a test case which generates 500 PNGs from an SVG file.
The font (Arial) is now present in all exports, skewed or un-skewed.
If the SVG file does not incorporate any baseline-shift attributes
applied to text elements, then the PNGs are rendered correctly 500
times.
If the SVG file incorporates any baseline-shift attributes applied to
text elements, then the PNGs are rendered correctly for a number of
times and then the remainder of the 500 incorporate skewed text (IE the
baseline-shift attribute is not applied in the PNG). The number of
successful exports varies, (but may be related to the size of the
initial SVG, not sure). It's typically around 5 to 15.
All other attributes are recognized and correct, only baseline-shift
seems to cause this. Only text elements are affected.
This is not currently reproducible on my laptop (Windows XP). It occurs
only in a SunOS environment (I am unable to test if it is consistent in
differing installations of Sun OS).
I include my central PNG export method here, if anyone cares to look.
Extremely puzzled by this!
We are now implementing a work-around by ditching the baseline-shift
attribute and applying the value of baseline-shift to the Y of the text
element.
Thanks as ever,
Dylan.
/**
* Method to write an SVG input file into a given image type
*
* @param width The width
* @param height The height
* @param inputFileName The input filename
* @param outputFileName The output filename. The output will be
the current working directory
*/
public synchronized void svgFileToImage(Float width, Float
height, String inputFileName, String outputFileName) {
OutputStream ostream = null;
TranscoderOutput output = null;
InputStream fis = null;
ByteArrayOutputStream imageOutputStream = null;
FileOutputStream fos = null;
String mimeType = ("image/" + imageType).toLowerCase();
Long currentDate;
Long lastDate;
Long duration;
// Create the transcoder
ImageTranscoder t = null;
if (mimeType.equalsIgnoreCase("image/jpeg")) {
t = new JPEGTranscoder();
t.addTranscodingHint(JPEGTranscoder.KEY_QUALITY,
new Float(1.0));
} else if (mimeType.equalsIgnoreCase("image/png")) {
t = new PNGTranscoder();
} else {
System.out.println("ERROR: A request to stream
an image was recieved with an unsupported mime type: " + mimeType);
}
// Set the width and height
t.addTranscodingHint(ImageTranscoder.KEY_WIDTH, width);
t.addTranscodingHint(ImageTranscoder.KEY_HEIGHT,
height);
// Set the background to white
t.addTranscodingHint(ImageTranscoder.KEY_BACKGROUND_COLOR, Color.white);
byte[] imageBytes = null;
try {
// Open the svg file on the hard disk
fis = new FileInputStream(new
File(this.currentDirectory + RESOURCE_ROOT + INPUT_ROOT +
inputFileName));
lastDate = new Date().getTime();
TranscoderInput input = new
TranscoderInput(fis);
ostream = new ByteArrayOutputStream();
output = new TranscoderOutput(ostream);
t.transcode(input, output);
imageOutputStream = ((ByteArrayOutputStream)
output.getOutputStream());
imageBytes = imageOutputStream.toByteArray();
currentDate = new Date().getTime();
duration = currentDate - lastDate;
System.out.println("Transcoder duration: " +
duration + " ms");
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
fis.close();
ostream.flush();
ostream.close();
imageOutputStream.flush();
imageOutputStream.close();
} catch (Exception e) {
System.out.println("Error in transcoder
stream because " + e.getMessage());
}
}
try {
// Write to file
File outputImageFile = new
File(this.currentDirectory + RESOURCE_ROOT + OUTPUT_ROOT +
outputFileName + "." + imageType);
fos = new FileOutputStream(outputImageFile);
fos.write(imageBytes);
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
fos.flush();
fos.close();
} catch (Exception e) {
System.out.println("Error in closing
stream when writing out image because " + e.getMessage());
}
}
}
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