static gboolean
process (GeglOperation *operation,
GeglBuffer *input,
GeglBuffer *output,
const GeglRectangle *result,
gint level)
{
GeglProperties *o = GEGL_PROPERTIES (operation);
GeglRectangle boundary;
const Babl *format;
GeglSampler *sampler;
gfloat *dst_buf;
gint y;
boundary = gegl_operation_get_bounding_box (operation);
format = babl_format ("RGBA float");
dst_buf = g_new0 (gfloat, result->width * result->height * 4);
sampler = gegl_buffer_sampler_new_at_level (input, format, GEGL_SAMPLER_CUBIC, level);
for (y = result->y; y < result->y + result->height; y++)
fractaltrace (input, sampler, &boundary, dst_buf, result, o, y, o->fractal, format, level);
gegl_buffer_set (output, result, 0, format, dst_buf, GEGL_AUTO_ROWSTRIDE);
g_object_unref (sampler);
g_free (dst_buf);
gegl_buffer_sample_cleanup (input);
return TRUE;
}
static gboolean
process (GeglOperation *operation,
GeglBuffer *input,
GeglBuffer *output,
const GeglRectangle *result,
gint level)
{
GeglChantO *o = GEGL_CHANT_PROPERTIES (operation);
GeglRectangle boundary;
const Babl *format;
gfloat *dst_buf;
gint y;
boundary = gegl_operation_get_bounding_box (operation);
format = babl_format ("RGBA float");
dst_buf = g_new0 (gfloat, result->width * result->height * 4);
for (y = result->y; y < result->y + result->height; y++)
fractaltrace (input, &boundary, dst_buf, result, o, y, o->fractal, format);
gegl_buffer_set (output, result, 0, format, dst_buf, GEGL_AUTO_ROWSTRIDE);
g_free (dst_buf);
gegl_buffer_sample_cleanup (input);
return TRUE;
}
static gboolean
process (GeglOperation *operation,
GeglBuffer *input,
GeglBuffer *output,
const GeglRectangle *result,
gint level)
{
GeglChantO *o;
GeglRectangle boundary;
const Babl *format;
FractalType fractal_type;
gfloat *dst_buf;
gint y;
o = GEGL_CHANT_PROPERTIES (operation);
boundary = gegl_operation_get_bounding_box (operation);
fractal_type = FRACTAL_TYPE_MANDELBROT;
if (!strcmp (o->fractal, "mandelbrot"))
fractal_type = FRACTAL_TYPE_MANDELBROT;
else if (!strcmp(o->fractal, "julia"))
fractal_type = FRACTAL_TYPE_JULIA;
format = babl_format ("RGBA float");
dst_buf = g_new0 (gfloat, result->width * result->height * 4);
for (y = result->y; y < result->y + result->height; y++)
fractaltrace (input, &boundary, dst_buf, result, o, y, fractal_type, format);
gegl_buffer_set (output, result, 0, format, dst_buf, GEGL_AUTO_ROWSTRIDE);
g_free (dst_buf);
gegl_buffer_sample_cleanup (input);
return TRUE;
}