Re: [sdljava-users] UnsatisfiedLinkError Exception Problem

[Ivan Z. G. <iva...@ya...>]

This is strange.  Is the function present in the sdljava.dll?  send me 
your sdljava.dll.  Are you compiling from sources?

-Ivan/

Chris Dennett wrote:

> Hi, I'm having a bit of a problem with:
> IntBuffer pixelData = surface.getPixelData().asIntBuffer();
>
> The code is throwing me the following exception.
>
> Exception in thread "main" java.lang.UnsatisfiedLinkError: 
> SWIG_getPixelDirectByteBuffer
>    at 
> sdljava.x.swig.SWIG_SDLVideoJNI.SWIG_getPixelDirectByteBuffer(Native 
> Method)
>    at 
> sdljava.x.swig.SWIG_SDLVideo.SWIG_getPixelDirectByteBuffer(SWIG_SDLVideo.java:266) 
>
>    at sdljava.video.SDLSurface.getPixelData(SDLSurface.java:950)
>    at 
> loach.screen.SurfaceTransformer.flipHorizontal(SurfaceTransformer.java:27) 
>
>    at loach.Loach.<init>(Loach.java:102)
>    at loach.Loach.main(Loach.java:177)
> Picked up _JAVA_OPTIONS: -Dsun.java2d.d3d=true
>
> Please help, I'm not sure what is wrong. This code is used in some 
> horizontal image flip transformation code I wrote.
>
>    public static void flipHorizontal(SDLSurface surface) throws 
> SDLException {
>        surface.lockSurface();
>              int
>            width  = surface.getWidth(),
>            height = surface.getHeight(),
>            pixels = width * height
>        ;
>              IntBuffer pixelData = surface.getPixelData().asIntBuffer();
>              int[]     data   = pixelData.array();
>        int[][]   pData  = new int[pixels][4];
>              for (int i = 0; i < pixels; i++) {
>            for (int j = 0; j < 4; j++) {
>                pData[i][j] = data[i * j];
>            }
>        }
>              int[][][] rData = new int[height][width][4];
>              for (int row = 0; row < height; row++) {
>            for (int col = 0; col < width; col++) {
>                rData[row][col] = pData[row * col];
>            }
>        }
>              int[] temp = new int[width];
>        for (int row = 0; row < height; row++) {
>            for (int left = 0, right = rData[row].length - 1; left < 
> right; left++, right--) {
>                /* exchange the first and last */
>                temp = rData[row][left];
>                rData[row][left] = rData[row][right];
>                rData[row][right] = temp;
>            }
>        }
>              /* deconstruct this shit and give me a fucking normal int 
> array */
>        for (int row = 0; row < height; row++) {
>            for (int col = 0; col < width; col++) {
>                for (int i = 0; i < 4; i++) {
>                    data[row * col * i] = rData[row][col][i];
>                }
>            }
>        }
>              pixelData.clear();
>        pixelData.put(data);
>              surface.unlockSurface();
>    }
>
> Thanks in advance,
> Chris
>