* src/haiku_draw_support.cc (be_draw_cross_on_pixmap_1)
(be_draw_cross_on_pixmap): New functions.

* src/haiku_support.h: Update prototypes.

* src/image.c (image_pixmap_draw_cross, image_disable_image):
Implement drawing cross on Haiku.

* src/image.c (image_create_bitmap_from_file): [HAVE_HAIKU]:
Look for the bitmap inside `x-bitmap-file-path' as well.

* src/image.c (image_create_bitmap_from_file): Set file name on
the bitmap rec on Haiku.

* src/image.c (image_create_bitmap_from_file) [HAVE_NS]: Fix
loading XBM data from file.

* src/haikufont.c (haikufont_draw): Use
`haiku_draw_background_rect' instead.

* src/haikuterm.c (haiku_draw_plain_background): Change
arguments to accept rect manually.
(haiku_get_bitmap): Delete function.
(haiku_get_bitmap_rec): New function.
(haiku_draw_stipple_background): Accept rect instead of box
sizes.
(haiku_draw_background_rect): New function.
(haiku_maybe_draw_background): Use that instead.
(haiku_draw_image_glyph_string): Add notice.
(haiku_draw_glyph_string): Set `stippled_p' correctly.

* src/haikuterm.h (struct haiku_bitmap_record): New fields for
keeping track of stipple state.
* src/image.c (image_create_bitmap_from_data)
(image_create_bitmap_from_file, free_bitmap_record): Free and
set them accordingly.

Stipples don't completely work yet.

* lisp/faces.el (face-valid-attribute-values): Enable `:stipple'
on Haiku.
* src/haiku_draw_support.cc (BView_DrawBitmap)
(BView_DrawBitmapWithEraseOp, BView_DrawMask): Don't push and
pop states.
(BView_DrawBitmapTiled): New function.

* src/haiku_support.cc (BBitmap_import_mono_bits): Delete
function.
* src/haiku_support.h: Update prototypes.
* src/haikuterm.c (get_string_resource): Fix coding style.
(haiku_get_bitmap, haiku_draw_stipple_background): Implement
partially.
(haiku_set_scroll_bar_default_width)
(haiku_set_scroll_bar_default_height, haiku_scroll_bar_create)
(haiku_set_horizontal_scroll_bar, haiku_set_vertical_scroll_bar)
(haiku_create_terminal, haiku_scroll_bar_remove): Fix coding
style.

* src/image.c (image_create_bitmap_from_data)
(image_create_bitmap_from_file): Implement on Haiku.

* src/image.c (svg_load_image): Don't include the spec in the
error message, because this is commonly the entire SVG string, and
this will fill up the *Messages* buffer quickly.

* src/image.c (gif_load): Tweak how DISPOSE_PREVIOUS is handled.
It's still not right, but it's less glaringly wrong.

* src/image.c (webp_load): Take care of lifetime issues of the
image data we're iterating over for animated images.