Attachment 8828 Details for Bug 10078 – Bind cairo_image_surface_get_data

[patch] Bind cairo_image_surface_get_data

pc (text/plain), 1.55 KB, created by Mariano Suárez-Alvarez on 2007-02-23 15:40:42 UTC

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Creator: Mariano Suárez-Alvarez

Created: 2007-02-23 15:40:42 UTC

Size: 1.55 KB

patch

obsolete

>--- /tmp/pycairo-surface.c	2006-07-02 23:58:14.000000000 -0300
>+++ pycairo-surface.c	2007-02-22 03:52:29.000000000 -0300
>@@ -624,6 +624,34 @@
>     return buf;
> }
> 
>+/* return a Python buffer object containing the ImageSurface data.
>+ */
>+static PyObject *
>+image_surface_get_data (PycairoImageSurface *o)
>+{
>+    PyObject *buf;
>+    unsigned char *data;
>+    uint8_t *buffer;
>+    int height, stride, length;
>+    cairo_surface_t *surface = o->surface;
>+    cairo_format_t format = cairo_image_surface_get_format (surface);
>+
>+    data   = cairo_image_surface_get_data (surface);
>+    height = cairo_image_surface_get_height (surface);
>+    stride = cairo_image_surface_get_stride (surface);
>+
>+    buf = PyBuffer_New(height * stride);
>+    if (buf != NULL) {
>+	if (PyObject_AsWriteBuffer(buf, (void **)&buffer, &length)) {
>+	    Py_DECREF(buf);
>+	    return NULL;
>+	}
>+	memcpy (buffer, data, length);
>+    }
>+    return buf;
>+}
>+
>+
> static PyMethodDef image_surface_methods[] = {
> #ifdef HAVE_NUMPY
>     {"create_for_array",(PyCFunction)image_surface_create_for_array,
>@@ -639,6 +667,7 @@
>     {"get_height",    (PyCFunction)image_surface_get_height,     METH_NOARGS},
>     {"get_width",     (PyCFunction)image_surface_get_width,      METH_NOARGS},
>     {"get_stride",    (PyCFunction)image_surface_get_stride,     METH_NOARGS},
>+    {"get_data",      (PyCFunction)image_surface_get_data,       METH_NOARGS},
>     {"get_data_as_rgba",(PyCFunction)image_surface_get_data_as_rgba,
>                                                                  METH_NOARGS},
>     {NULL, NULL, 0, NULL},

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Attachments on bug 10078: 8828

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