bufferedimage « Development « JFreeChart Q&A

1. Add BufferedImage to PDFBox document    stackoverflow.com

In my current project, I try to add a BufferedImage to a PDFBox document. More specificly, I use an image from a JFreeChart. My code looks like this:

public void exportToPDF(JFreeChart chart, ...

2. Offscreen Imaging: X11, DISPLAY, BufferedImage    jfree.org

Offscreen Imaging: X11, DISPLAY, BufferedImage by John Matthews Tue Jun 25, 2002 8:03 pm Offscreen Imaging ----------------- Keywords: X11, DISPLAY, BufferedImage JFreeChart was designed to draw into an arbitrary Java 2D graphics device. In this way, a java servlet can render a chart into an offscreen image for subsequent display in a browser. See, for example: com.jrefinery.chart.JFreeChart.createBufferedImage() This method hinges ...

3. BufferedImage question    jfree.org

Hello! This is sorta in reference to an earlier post I created where I wanted to draw my own components/lines on the graph and on the component. My solution "works" in that I subclass the draw method in JFreeChart class and yeah do my own things. However, to have that done I need to create a BufferedImage of the whole thing ...

4. oddity w/ bufferedimage chart and firedatasetchanged()    jfree.org

I'm doing a progressive draw of the chart and it's a pretty complex chart, it's slow but it works. The dataset has a scaler factor which scales the getY result and does a firedatasetchanged(). I set a chartprogresslistener for the DRAWING_FINISHED event and set the next scaler, until the dataset is returning full normal values. When I create the chart w/ ...

5. Error storing Buffered image in a String    jfree.org

Hi ! I am using following code to display a Line Chart by reading values from a csv.I store the chart as an image,using the ChartUtilities & give a image source to the image. I want to display the chart in a JSP,without storing it as an image. One of the solution learned is to implement a servlet to generate the ...

6. Bug when creating BufferedImage after ChartFrame    jfree.org

Hi. I admit that this seems rather exotic, but it has had me rather perplexed. I believe I have found a bug: If you create a ChartFrame, pack it, and set it to visible, and THEN create an image file (PNG or JPEG) with the chart data, in the image file, the legend will have every category listed twice (or some ...

7. Buffered Image    jfree.org

What I really wanted to do was render 4 charts in parallel on separate threads. I thought I could render each of them separately and then simply add them to my window. However, doing that would disable the interactive charting features such as cursor and range zoom, correct? Can someone tell me the easiest way to allow JFreeChart to render multiple ...

8. SVG vs. Buffered Image    jfree.org

I am creating very dense time series plots, 1 hour of data collected at 200 points per second displayed in rows of 60 one minute strips. The plots are rendered, one per page, in a pdf and are typically hundreds of pages long. We are using jFreeChart 1.0.13 and using JasperReports as the template. These plots look pretty good when rendered ...