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getpixels.diff
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Index: Image.c
===================================================================
RCS file: /cvsroot/bf-blender/blender/source/blender/python/api2_2x/Image.c,v
retrieving revision 1.27
diff -u -w -b -r1.27 Image.c
--- Image.c 19 Mar 2005 21:08:11 -0000 1.27
+++ Image.c 29 Apr 2005 22:58:40 -0000
@@ -211,6 +211,61 @@
return ( PyObject * ) img;
}
+static PyObject *Image_getPixelColors(BPy_Image * self, PyObject *args)
+{
+
+ PyObject *attr;
+ Image *image=self->image;
+ char* pixel;
+ int ptr;
+ int x=0;
+ int y=0;
+
+ if( !PyArg_ParseTuple( args, "ii", &x, &y ) )
+ return EXPP_ReturnPyObjError( PyExc_TypeError,
+ "expected 2 integers" );
+
+ if( !image->ibuf||!image->ibuf->rect ) /* if no image data available */
+ load_image( image, IB_rect, "", 0 ); /* loading it */
+
+ if( !image->ibuf||!image->ibuf->rect ) /* didn't work */
+ return EXPP_ReturnPyObjError( PyExc_RuntimeError,
+ "couldn't load image data in Blender" );
+
+ if(x>image->ibuf->x||y>image->ibuf->y||image->ibuf->xorig>x||image->ibuf->yorig>y)
+ return EXPP_ReturnPyObjError( PyExc_RuntimeError, "x or y is out of range");
+
+
+ ptr=(x + y* image->ibuf->x)*4;
+
+ pixel=(char*)image->ibuf->rect;
+ attr = Py_BuildValue( "[f,f,f,f]",((float)pixel[ptr])/255,((float)pixel[ptr+1])/255,((float)pixel[ptr+2])/255,((float)pixel[ptr+3]/255) );
+
+ if( attr )
+ return attr;
+
+ return EXPP_ReturnPyObjError( PyExc_RuntimeError,
+ "couldn't get pixel colors" );
+};// by Austin
+
+static PyObject *Image_getMax_xy(BPy_Image *self)
+{
+Image* image=self->image;
+PyObject* attr;
+
+ if( !image->ibuf||!image->ibuf->rect ) /* if no image data available */
+ load_image( image, IB_rect, "", 0 ); /* loading it */
+
+ if( !image->ibuf||!image->ibuf->rect ) /* didn't work */
+ return EXPP_ReturnPyObjError( PyExc_RuntimeError,
+ "couldn't load image data in Blender" );
+
+ attr=Py_BuildValue("[i,i]",image->ibuf->x,image->ibuf->y);
+ if (attr) return attr;
+ return EXPP_ReturnPyObjError( PyExc_RuntimeError, "could not determine max x or y");
+
+}; // by Austin
+
/*****************************************************************************/
/* Function: Image_Init */
/*****************************************************************************/
@@ -248,12 +303,18 @@
static PyObject *Image_reload( BPy_Image * self ); /* by Campbell */
static PyObject *Image_glLoad( BPy_Image * self );
static PyObject *Image_glFree( BPy_Image * self );
+static PyObject *Image_getPixelColors(BPy_Image * self, PyObject * args); /* by Austin */
+static PyObject *Image_getMax_xy(BPy_Image * self); /* by Austin */
/*****************************************************************************/
/* Python BPy_Image methods table: */
/*****************************************************************************/
static PyMethodDef BPy_Image_methods[] = {
/* name, method, flags, doc */
+ {"getPixelColors", ( PyCFunction ) Image_getPixelColors, METH_VARARGS,
+ "(float, float) - Get pixel colors of specified pixel"},
+ {"getMaxXY", ( PyCFunction ) Image_getPixelColors, METH_VARARGS,
+ "() - Get maximum x & y coordinates of current image"},
{"getName", ( PyCFunction ) Image_getName, METH_NOARGS,
"() - Return Image object name"},
{"getFilename", ( PyCFunction ) Image_getFilename, METH_NOARGS,

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