more horizontal refactoring

[swftools.git] / lib / python / image.c

diff --git a/lib/python/image.c b/lib/python/image.c
index f855c8f..5b125e6 100644 (file)
--- a/lib/python/image.c
+++ b/lib/python/image.c
@@ -1,23 +1,160 @@
 #include <Python.h>
+#ifdef HAVE_STAT
+#undef HAVE_STAT
+#endif
+//#include "/usr/include/python2.3/Imaging.h"
+#include "../../config.h"
+#ifdef HAVE_PYTHON_IMAGING
+#include <Imaging.h>
+#endif
+#include "pyutils.h"
 #undef HAVE_STAT
 #include "../rfxswf.h"
 
-int image_getWidth(PyObject*image)
-{
+/* redefine the ImagingObject struct defined in _imagingmodule.c */
+/* there should be a better way to do this... */
+typedef struct {
+    PyObject_HEAD
+#ifdef HAVE_PYTHON_IMAGING
+    Imaging image;
+#endif
+} ImagingObject;
+
+int image_getWidth(PyObject*_image) {
+#ifdef HAVE_PYTHON_IMAGING
+    if(strcmp(_image->ob_type->tp_name, "ImagingCore")) {
+       PyErr_SetString(PyExc_Exception, setError("not an image: %s", _image->ob_type->tp_name));
+       return 0;
+    }
+    ImagingObject*image = (ImagingObject*)_image;
+    return image->image->xsize;
+#else
+    PyErr_SetString(PyExc_Exception, "imaging not compiled in");
     return 0;
+#endif
 }
 
-int image_getHeight(PyObject*image)
-{
+int image_getHeight(PyObject*_image) {
+#ifdef HAVE_PYTHON_IMAGING
+    if(strcmp(_image->ob_type->tp_name, "ImagingCore")) {
+       PyErr_SetString(PyExc_Exception, setError("not an image: %s", _image->ob_type->tp_name));
+       return 0;
+    }
+    ImagingObject*image = (ImagingObject*)_image;
+    return image->image->ysize;
+#else
+    PyErr_SetString(PyExc_Exception, "imaging not compiled in");
+    return 0;
+#endif
+}
+
+int image_getBPP(PyObject*_image) {
+#ifdef HAVE_PYTHON_IMAGING
+    if(strcmp(_image->ob_type->tp_name, "ImagingCore")) {
+       PyErr_SetString(PyExc_Exception, setError("not an image: %s", _image->ob_type->tp_name));
+       return 0;
+    }
+    ImagingObject*image = (ImagingObject*)_image;
+    if(!strcmp(image->image->mode, "1") ||
+       !strcmp(image->image->mode, "L") ||
+       !strcmp(image->image->mode, "P")) {
+       return 8;
+    }
+    if(!strcmp(image->image->mode, "I") ||
+       !strcmp(image->image->mode, "F")) {
+       return 32;
+    }
+    if(!strcmp(image->image->mode, "RGB") ||
+       !strcmp(image->image->mode, "RGBA") ||
+       !strcmp(image->image->mode, "CMYK") ||
+       !strcmp(image->image->mode, "YCbCr")) {
+       return 32;
+    }
+    PyErr_SetString(PyExc_Exception, setError("Unknown image format (%s).", image->image->mode));
+    return 0;
+#else
+    PyErr_SetString(PyExc_Exception, "imaging not compiled in");
     return 0;
+#endif
 }
 
-int image_getBPP(PyObject*image)
+RGBA* image_toRGBA(PyObject*_image) 
 {
+#ifdef HAVE_PYTHON_IMAGING
+    if(strcmp(_image->ob_type->tp_name, "ImagingCore")) {
+       PyErr_SetString(PyExc_Exception, setError("not an image: %s", _image->ob_type->tp_name));
+       return 0;
+    }
+    ImagingObject*image = (ImagingObject*)_image;
+    printf("mode: %s\n", image->image->mode);
+    printf("depth: %d\n", image->image->depth);
+    printf("bands: %d\n", image->image->bands);
+    printf("xsize: %d\n", image->image->xsize);
+    printf("ysize: %d\n", image->image->ysize);
+    int bpp = image_getBPP(_image);
+    if(!bpp)
+       return 0;
+       
+    RGBA*rgba = (RGBA*)malloc(image->image->xsize * image->image->ysize * sizeof(RGBA));
+
+    if(!strcmp(image->image->mode, "RGBA")) {
+       int y,ymax=image->image->ysize;
+       int width = image->image->xsize;
+       RGBA*dest = rgba;
+       for(y=0;y<ymax;y++) {
+           U8* src = (U8*)(image->image->image32[y]);
+           int x;
+           for(x=0;x<width;x++) {
+               dest[x].r = src[x*4+0];
+               dest[x].g = src[x*4+1];
+               dest[x].b = src[x*4+2];
+               dest[x].a = src[x*4+3];
+           }
+           dest+=width;
+       }
+       return rgba;    
+    }
+       
+    PyErr_SetString(PyExc_Exception, setError("Unsupported image format: %s (try .convert(\"RGBA\")", image->image->mode));
+#else
+    PyErr_SetString(PyExc_Exception, "imaging not compiled in");
+#endif
     return 0;
 }
 
-RGBA* image_toRGBA(PyObject*image)
+#ifdef HAVE_PYTHON_IMAGING
+extern PyObject*PyImagingNew(Imaging imOut);
+#endif
+
+PyObject* rgba_to_image(RGBA*rgba, int width, int height)
 {
+#ifdef HAVE_PYTHON_IMAGING
+#ifndef WIN32
+    Imaging img = ImagingNew("RGBA", width, height);
+    int y;
+    if(!img->image32) {
+       fprintf(stderr, "No array allocated!\n");
+       return 0;
+    }
+    for(y=0;y<height;y++) {
+       U8* dest = (U8*)(img->image32[y]);
+       RGBA* src = &rgba[width*y];
+       int x;
+       for(x=0;x<width;x++) {
+           dest[x+0] = src[x].r;
+           dest[x+1] = src[x].g;
+           dest[x+2] = src[x].b;
+           dest[x+3] = src[x].a;
+       }
+    }
+
+    return PyImagingNew(img);
+#else
+    fprintf(stderr, "This image extraction is not yet supported on non-linux systems\n");
+    return 0;
+#endif
+#else
+    PyErr_SetString(PyExc_Exception, "imaging not compiled in");
     return 0;
+#endif
 }