Improve the performance of png reading by adding special cases for fully transparent and fully opaque alpha, and using the standard optimization for 8-bit division by 255.
Add an INLINE macro for gcc.
Don't change the status value if it already holds an error. This avoids destroying "first error" information and also avoids attempting to write read-only data, (eg. from nil objects).
Don't set an error on the same object if it is in an error state to begin with, just return immediately. This is intended to reduce (eventual) error prints to the first cause of an error for any given object, instead of a continual spew.
Adjust negative offsets up to their equivalent positive value. Add error checking for dash values, (must each be non-negative and must not be all zero).
Add documentation.
Add new CAIRO_STATUS_INVALID_DASH.
Add dash-offfset-negative test from Owen.
churn
New function to return the current nil pattern depending on the status.
Add missing early bailout on surface->status with error propagation to the pattern.
Related cleanups for cairo_pattern_t:
Don't check other->status since this is a static function.
Add missing early bailout on other->status.
Cleanup identifier names.
Track rename of nil patterns.
Don't call _cairo_error for pre-existing errors.
Take care to initialize some fields to that _cairo_pattern_release_surface will work even after an error.
Track rename of cairo_solid_pattern_nil to cairo_pattern_nil.
New test to ensure that a file-not-found error will propagate from a surface, through a pattern, and onto a cairo_t.
CLEAR and SOURCE are now bounded.
Assert that SOURCE and CLEAR aren't passed to these functions.
Assert that SOURCE and CLEAR aren't passed to these functions when there is a mask.
Do fixups for SOURCE and CLEAR as well as unbounded operators, since in the absence of a mask, we need SOURCE to work correctly (don't care about CLEAR)
_cairo_ft_font_show_glyphs) Consistently use CLEAR/TRANSPARENT (source doesn't matter) rather than SOURCE/TRANSPARENT when clearing rectangles.
src/cairo-xlib-surface.c src/cairo-surface.c: Use IN rather than SOURCE as an example of an unbounded operator in docs.
Remove CLEAR/SOURCE columns since they are no longer unbounded.
test/operator-clear.c test/operator-source Makefile.am: Add targetted tests of CLEAR/SOURCE.
Don't call _cairo_ft_unscaled_font_init_key in the from_face case, just clear filename and id instead. Initialize unscaled->base first so that initialization order matches the structure declaration order.
Fix to accept a NULL string and hash it identically to a zero-length string.
Add a test that calls cairo_ft_font_create_for_ft_face to demonstrate bug #4110.
src/cairo-clip.c src/cairo-gstate.c: Use them.
Move code to fill a pixman_region16_t to here.
Document.
Use _cairo_surface_fill_region().
Add a return status, use regions to simplify.
src/cairoint.h
Handle the return value from _cairo_surface_composite_fixup_unbounded().
src/cairo-surface.c src/cairoint.h (_cairo_surface_composite_shape_fixup_unbounded): Add a variant of _cairo_surface_composite_fixup_unbounded() to avoid creating a dummy cairo_surface_attributes_t.
Use _cairo_surface_composite_shape_fixup_unbounded().
Call _cairo_surface_composite_shape_fixup_unbounded(), since the source might still be restricted, even though the mask is unbounded.
Restore the rectangle optizations when drawing with unbounded operators by adding a clear for the extra area after drawing the rectangles.
Document cairo_pattern_add_color_stop_rgb, cairo_pattern_add_color_stop_rgba, cairo_pattern_set_matrix, and cairo_pattern_get_matrix.
Add note on user-space locking to the documentation for cairo_set_source().
Setup an automake conditional for the HAVE_PTHREAD case.
Link all tests with -lpthread if available, so that we can get some testing of cairo with mutexes turned on.
Convert the font_face/matrix/ctm/options => cairo_scaled_font_t mapping from a two-layer cairo-cache.c implementation to a single cairo-hash.c implementation backed by a simple array for the secondary cache.
Reviewed by: keithp
Complete the remainder of the simple -> toy renaming. Convert the family/slant/weight -> cairo_toy_font_face_t mapping to use cairo-hash.c rather than cairo-cache.c.
Remove const qualifier from toy_face parameter to creat_toy, as these functions may reference the font face. Track addition of font_face parameter to _cairo_scaled_font_init.
Implement font_face parameter to _cairo_scaled_font_init, moving the reference of the font_face from _cairo_inner_font_cache_create_entry.
Add a font_face parameter in addition to the unscaled_font parameter.
Track new font_face parameter to _cairo_ft_scaled_font_create.
Whitespace touchup.
Reviewed by: otaylor
Build pixman internally as a private part of cairo, with suitable name changes to avoid any visible pixman symbols in the cairo library:
Descend into pixman.
Drop libpixman from Requires.
Don't check for libpixman. Check version of pkg-config and use Requires.private instead of Requires in cairo.pc if possible. Generate pixman Makefiles.
Rip out release-publish target and installation of libpixman.pc.
Add pixman-remap.h. Drop libpixman.la target.
Fix to include config.h rather than ../config.h
This is the cpp magic to rename all pixman functions from the various fb, Fb, INT_pixman, pixman, Render, _Render, or no prefix to _cairo_pixman_ prefixes.
Include pixman-remap.h to get all the cairo-internalized names.
Add -Ipixman/src to get at pixman-remap.h.
Update to use AC_INIT and AM_INIT_AUTOMAKE in recommended ways. Add support for substituting CAIRO_VERSION_MAJOR/MINOR/MICRO into generated headers.
Add CAIRO_VERSION_MAJOR/MINOR/MICRO and CAIRO_VERSION_STRING which are generated by configure.
Store the antialiasing mode in the gstate and pass it to the backend for trapezoid rendering and for clipping.
Pass the antialiasing parameter down to the backend where appropriate.
Pass the antialiasing parameter down to the backend where appropriate.
Add support for A1 format trapezoid rendering, and remove the _create_mask_image function, creating a temporary image from memory we allocate and clear.
Support A1 masks to disable antialiasing using the RENDER extension when requested.
Support A1 masks to disable antialiasing using the RENDER extension when requested.
Blindly pass through the antialising parameter.
Add the antialiasing parameter but don't support it.
Add a test case and a reference image from the latest libpixman.
Add the new antialiasing disabling API to the docs.
Update progress on a parameter to disable antialiasing.
reviewed by: cworth, otaylor
cairoint.h: Add a helper function to take clearing areas that are outside the source/mask but are cleared by unbounded operations.
src/cairo-xlib-surface.c (_cairo_xlib_surface_composite): Use _cairo_surface_composite_fixup_unbounded() as needed.
src/cairo-image-surface.c src/cairint.h: Keep track of whether the surface has a clip or not ... we need this for determining when we can bypass an intermediate mask for composite_trapezoids().
Create an intermediate mask of the right size with pixman_add_trapezoids() and composite that.
When rendering with an unbounded operator, create the intermediate mask ourselves and render with ADD to that, then composite the result.
Create an intermediate surface the size of the extents, render the glyphs to that then composite the results.
Add the size of the glyph
Compute the size of the glyph mask, then use _cairo_surface_composite_fixup_unbounded().
Use the right mask format. (Unrelated bugfix)
New function taking a drawing function as a parameter to encapsulate shared logic between compositing trapezoid, glyphs, and masks.
Use _cairo_gstate_clip_and_composite(). Also fix extents computations for unbounded operators.
src/cairo-clip.c src/cairo-clip-private.h (_cairo_clip_combine_to_surface): Add the destination as an extra parameter to allow combining to an intermediate surface.
tests/unbounded-operator.c tests/Makefile.am: Add a test for the operation of the 6 unbounded operators against different shapes.
tests/clip-operator.c tests/Makefile.am: Add a test that tests surface clipping with different shapes against all the operators.
Make use OVER like the name and description. With fixed semantics, SOURCE does something different.
