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Run "TZ=UTC0 admin/update-copyright $(git ls-files)".
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This changeset also rearranges native image transform code
for other platforms to make it cleaner, and also removes
the support for native cropping. For the discussions, see
https://lists.gnu.org/archive/html/emacs-devel/2019-06/msg00242.html
* src/w32term.c (w32_image_rotations_p, transform): New functions.
(w32_draw_image_foreground): If image rotation is requested
and supported, call PlgBlt to transform the image.
(w32_initialize): Populate the PlgBlt function pointer if it
is supported.
* src/w32term.h (w32_image_rotations_p): Add prototype.
* src/dispextern.h (struct image) [HAVE_NTGUI]: New member xform.
* src/image.c (compute_image_rotation): Renamed from
image_set_rotation. Only compute and returns the rotation
angle; leave the matrix calculation for later. Log an error
message if the :rotation parameter is not a number.
(image_set_crop): Function deleted. We no longer support
native cropping, as one can display an image slice instead.
(image_set_transform): Compute the transform matrix in its
entirety here, in two variants: one for XRender and Cairo, the
other for NS and MS-Windows. call compute_image_size and
compute_image_rotation internally.
(lookup_image) [HAVE_NATIVE_TRANSFORMS]: Call only
image_set_transform. No need to pass the transform matrix to
image_set_transform.
(Fimage_transforms_p): Return a list of transform capabilities
rather than a simple boolean. Support TTY frames as well.
* src/nsimage.m (setTransform:): Don't invert the matrix, as
it is already inverted in image.c.
* test/manual/image-transforms-tests.el (test-cropping): State
in the text that only ImageMagick supports cropping.
* doc/lispref/display.texi (Image Descriptors): Update the
documentation of native image transforms.
(ImageMagick Images): Move the description of ':crop' here.
* etc/NEWS: Minor copyedits of the feature announcement.
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This reverts commit cf3081d208814ea02fce33aac645abfc24f880a6.
; Pushed in error.
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* src/image.c: (image_set_rotation, image_set_size,
image_set_transform): Combine into image_set_transform.
(image_set_crop): Remove function.
(lookup_image): Remove calls to removed functions and remove
transform_matrix.
* test/manual/image-transforms-tests.el (test-cropping): Remove
function.
(test-transforms): Remove reference to test-cropping.
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* doc/lispref/display.texi (Image Descriptors): Document :crop and
update :rotation.
* src/image.c: Describe the image transform matrix layout.
* test/manual/image-transforms-tests.el: New file.
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