I moved the pixel centre to xc,yc but forgot to remove it during
compensation - as caught by the test suite.
Refresh a couple of reference images that depend upon exact pixel-centre
rounding conditions.
pixman limits the src] co-ordinates (and thus [xy]_offset] to 16bits,
so we need to be careful how much of the translation vector to push into
[xy]_offset. Since the range is the same for both, split the integer
component between the matrix and the offset.
test/scale-offset* now at least shows the source image, even if it is
misplaced.
set_font_face was not consuming it's operand but blithely placing an
undefined font_face onto the operand stack, whereas set_source was
performing invalid exchanges on the stack.
<adrianj> ickle_: If we are going to use a different image for jpeg in
mime-data maybe we could create a jpg that contains the text "jpeg". That
way when support for the other image formats is added the mime-data test
could have one image for each type with each image and it is easy to see
that each image is the correct one.
Instead of doing a full-copy of the mime data (which can be 10K-100K,
or even larger) just copy a reference to the original mime to the
snapshot surface (as suggested by Behdad).
Install the auxiliary library into the cairo subdirectory within the
lib path, so that it doesn't clutter $(libdir) and sets a precedent for
future auxiliary libraries.
extend-pad was not a clear demonstration of the EXTEND_PAD mode, so revamp
it to show the filter extending a 4 pixel surface to cover the entire
output. However, this hides a discrepancy with the vector surfaces that we
cannot prevent the external renders from applying an interpolation to the
border pixels, so we copy the original test to extend-pad-border to check
the desired behaviour on boundary pixels.
Use the surface user-data array allow to store an arbitrary set of
alternate image representations keyed by an interned string (which
ensures that it has a unique key in the user-visible namespace).
Update the API to mirror that of cairo_surface_set_user_data() [i.e.
return a status indicator] and switch internal users of the mime-data to
the public functions.
Images with EXTEND_PAD are painted into a new image the size of the
operation extents. The new image is then embedded in the PS file with
the pattern matrix adjusted to ensure the image origin is in the
correct location.
Images with EXTEND_PAD are painted into a new image the size of the
operation extents. The new image is then embedded in the PDF file with
the pattern matrix adjusted to ensure the image origin is in the
correct location.
The extents will be used by EXTEND_PAD patterns as well as any other
pattern that can benefit from knowing the extents of the operation it
will be used with.
To be able to provide the extents of each operation to the backend
during the render phase the meta-surface needs to store the extents
computed by the analysis surface during the analysis phase.
The extents argument is either a pointer to the extents of the operation
stored in the meta-surface or NULL. During analysis the analysis surface
writes the extents to the meta-surface. During the render phase the extents
is made available to paginated surface backends.
