diff options
Diffstat (limited to 'test/isurface_get_data.py')
| -rwxr-xr-x | test/isurface_get_data.py | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/test/isurface_get_data.py b/test/isurface_get_data.py index c19a17e..f2662d4 100755 --- a/test/isurface_get_data.py +++ b/test/isurface_get_data.py @@ -2,11 +2,14 @@ """ Test ImageSurface.get_data() """ +import tempfile import cairo import numpy -dir_ = "/tmp/" +if not (cairo.HAS_IMAGE_SURFACE and cairo.HAS_PNG_FUNCTIONS): + raise SystemExit ('cairo was not compiled with ImageSurface and PNG support') + w, h = 128, 128 surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, w, h) @@ -25,7 +28,9 @@ ctx.close_path() ctx.set_source_rgb(0, 0, 0) # black ctx.set_line_width(15) ctx.stroke() -surface.write_to_png(dir_ + "get_data_test1.png") +_, outFileName = tempfile.mkstemp(prefix='pycairo_', suffix='.png') +surface.write_to_png(outFileName) +print "see %s output file" % outFileName # modify surface using numpy buf = surface.get_data() @@ -40,4 +45,6 @@ a = numpy.ndarray(shape=(w,h,4), dtype=numpy.uint8, buffer=buf) a[:,40,0] = 255 # byte 0 is blue on little-endian systems a[:,40,1] = 0 a[:,40,2] = 0 -surface.write_to_png(dir_ + "get_data_test2.png") +_, outFileName = tempfile.mkstemp(prefix='pycairo_', suffix='.png') +surface.write_to_png(outFileName) +print "see %s output file" % outFileName |