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Bug 522859. Refactor cairo-quartz-surface so that state local to a drawing operation is stored in a cairo_quartz_drawing_state_t instead of the surface. r=jrmuizel

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This commit is contained in:
Robert O'Callahan 2010-05-19 15:04:33 +12:00
parent 560b5dc8cd
commit d8ed4fd71e
4 changed files with 1498 additions and 288 deletions
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2
gfx/cairo/README
View File

@ -64,6 +64,8 @@ quartz-first-stop.patch: return the first stop for negative positions on the gra
quartz-glyph-extents.patch: bug 534260; work around incorrect glyph extents returned by quartz for anomalous empty glyphs
quartz-state.patch: bug 522859; refactor cairo-quartz-surface so that state local to a drawing operation is stored in a cairo_quartz_drawing_state_t instead of the surface
premultiply-alpha-solid-gradients.patch: bug 539165; multiply the solid color by the alpha component before using it for a solid surface
xlib-initialize-members.path: bug 548793; initialize XRender version if the server doesn't have the extension

14
gfx/cairo/cairo/src/cairo-quartz-private.h
View File

@ -55,20 +55,6 @@ typedef struct cairo_quartz_surface {
cairo_surface_clipper_t clipper;
cairo_rectangle_int_t extents;
/* These are stored while drawing operations are in place, set up
* by quartz_setup_source() and quartz_finish_source()
*/
CGAffineTransform sourceTransform;
CGImageRef sourceImage;
cairo_surface_t *sourceImageSurface;
CGRect sourceImageRect;
CGShadingRef sourceShading;
CGPatternRef sourcePattern;
CGInterpolationQuality oldInterpolationQuality;
} cairo_quartz_surface_t;
typedef struct cairo_quartz_image_surface {

579
gfx/cairo/cairo/src/cairo-quartz-surface.c
View File

@ -1338,16 +1338,37 @@ typedef enum {
DO_SHADING,
DO_PATTERN,
DO_IMAGE,
DO_TILED_IMAGE,
DO_UNSUPPORTED,
DO_NOTHING,
DO_TILED_IMAGE
DO_NOTHING
} cairo_quartz_action_t;
static cairo_quartz_action_t
/* State used during a drawing operation. */
typedef struct {
CGContextRef context;
cairo_quartz_action_t action;
// Used with DO_SHADING, DO_IMAGE and DO_TILED_IMAGE
CGAffineTransform transform;
// Used with DO_IMAGE and DO_TILED_IMAGE
CGImageRef image;
cairo_surface_t *imageSurface;
CGRect imageRect;
// Used with DO_SHADING
CGShadingRef shading;
// Used with DO_PATTERN
CGPatternRef pattern;
} cairo_quartz_drawing_state_t;
static void
_cairo_quartz_setup_fallback_source (cairo_quartz_surface_t *surface,
const cairo_pattern_t *source)
const cairo_pattern_t *source,
cairo_quartz_drawing_state_t *state)
{
CGRect clipBox = CGContextGetClipBoundingBox (surface->cgContext);
CGRect clipBox = CGContextGetClipBoundingBox (state->context);
double x0, y0, w, h;
cairo_surface_t *fallback;
@ -1356,8 +1377,10 @@ _cairo_quartz_setup_fallback_source (cairo_quartz_surface_t *surface,
cairo_status_t status;
if (clipBox.size.width == 0.0f ||
clipBox.size.height == 0.0f)
return DO_NOTHING;
clipBox.size.height == 0.0f) {
state->action = DO_NOTHING;
return;
}
x0 = floor(clipBox.origin.x);
y0 = floor(clipBox.origin.y);
@ -1401,17 +1424,20 @@ _cairo_quartz_setup_fallback_source (cairo_quartz_surface_t *surface,
#endif
status = _cairo_surface_to_cgimage (&surface->base, fallback, &img);
if (status)
return DO_UNSUPPORTED;
if (img == NULL)
return DO_NOTHING;
if (status) {
state->action = DO_UNSUPPORTED;
return;
}
if (img == NULL) {
state->action = DO_NOTHING;
return;
}
surface->sourceImageRect = CGRectMake (0.0, 0.0, w, h);
surface->sourceImage = img;
surface->sourceImageSurface = fallback;
surface->sourceTransform = CGAffineTransformMakeTranslation (x0, y0);
return DO_IMAGE;
state->imageRect = CGRectMake (0.0, 0.0, w, h);
state->image = img;
state->imageSurface = fallback;
state->transform = CGAffineTransformMakeTranslation (x0, y0);
state->action = DO_IMAGE;
}
/*
@ -1427,10 +1453,11 @@ based on the extents of the object (the clip region cannot be used here since
we don't want the rasterization of the entire gradient to depend on the
clip region).
*/
static cairo_quartz_action_t
static void
_cairo_quartz_setup_linear_source (cairo_quartz_surface_t *surface,
const cairo_linear_pattern_t *lpat,
cairo_rectangle_int_t *extents)
cairo_rectangle_int_t *extents,
cairo_quartz_drawing_state_t *state)
{
const cairo_pattern_t *abspat = &lpat->base.base;
cairo_matrix_t mat;
@ -1440,9 +1467,10 @@ _cairo_quartz_setup_linear_source (cairo_quartz_surface_t *surface,
bool extend = abspat->extend == CAIRO_EXTEND_PAD;
if (lpat->base.n_stops == 0) {
CGContextSetRGBStrokeColor (surface->cgContext, 0., 0., 0., 0.);
CGContextSetRGBFillColor (surface->cgContext, 0., 0., 0., 0.);
return DO_SOLID;
CGContextSetRGBStrokeColor (state->context, 0., 0., 0., 0.);
CGContextSetRGBFillColor (state->context, 0., 0., 0., 0.);
state->action = DO_SOLID;
return;
}
if (lpat->p1.x == lpat->p2.x &&
@ -1452,12 +1480,13 @@ _cairo_quartz_setup_linear_source (cairo_quartz_surface_t *surface,
* Whatever the correct behaviour is, let's at least have only pixman's
* implementation to worry about.
*/
return _cairo_quartz_setup_fallback_source (surface, abspat);
_cairo_quartz_setup_fallback_source (surface, abspat, state);
return;
}
mat = abspat->matrix;
cairo_matrix_invert (&mat);
_cairo_quartz_cairo_matrix_to_quartz (&mat, &surface->sourceTransform);
_cairo_quartz_cairo_matrix_to_quartz (&mat, &state->transform);
rgb = CGColorSpaceCreateDeviceRGB();
@ -1477,21 +1506,22 @@ _cairo_quartz_setup_linear_source (cairo_quartz_surface_t *surface,
extents);
}
surface->sourceShading = CGShadingCreateAxial (rgb,
start, end,
gradFunc,
extend, extend);
state->shading = CGShadingCreateAxial (rgb,
start, end,
gradFunc,
extend, extend);
CGColorSpaceRelease(rgb);
CGFunctionRelease(gradFunc);
return DO_SHADING;
state->action = DO_SHADING;
}
static cairo_quartz_action_t
static void
_cairo_quartz_setup_radial_source (cairo_quartz_surface_t *surface,
const cairo_radial_pattern_t *rpat,
cairo_rectangle_int_t *extents)
cairo_rectangle_int_t *extents,
cairo_quartz_drawing_state_t *state)
{
const cairo_pattern_t *abspat = &rpat->base.base;
cairo_matrix_t mat;
@ -1510,9 +1540,10 @@ _cairo_quartz_setup_radial_source (cairo_quartz_surface_t *surface,
double centerDistance = sqrt (dx*dx + dy*dy);
if (rpat->base.n_stops == 0) {
CGContextSetRGBStrokeColor (surface->cgContext, 0., 0., 0., 0.);
CGContextSetRGBFillColor (surface->cgContext, 0., 0., 0., 0.);
return DO_SOLID;
CGContextSetRGBStrokeColor (state->context, 0., 0., 0., 0.);
CGContextSetRGBFillColor (state->context, 0., 0., 0., 0.);
state->action = DO_SOLID;
return;
}
if (r2 <= centerDistance + r1 + 1e-6 && /* circle 2 doesn't contain circle 1 */
@ -1523,12 +1554,13 @@ _cairo_quartz_setup_radial_source (cairo_quartz_surface_t *surface,
* implementation to worry about.
* Note that this also catches the cases where r1 == r2.
*/
return _cairo_quartz_setup_fallback_source (surface, abspat);
_cairo_quartz_setup_fallback_source (surface, abspat, state);
return;
}
mat = abspat->matrix;
cairo_matrix_invert (&mat);
_cairo_quartz_cairo_matrix_to_quartz (&mat, &surface->sourceTransform);
_cairo_quartz_cairo_matrix_to_quartz (&mat, &state->transform);
rgb = CGColorSpaceCreateDeviceRGB();
@ -1547,55 +1579,86 @@ _cairo_quartz_setup_radial_source (cairo_quartz_surface_t *surface,
extents);
}
surface->sourceShading = CGShadingCreateRadial (rgb,
start,
r1,
end,
r2,
gradFunc,
extend, extend);
state->shading = CGShadingCreateRadial (rgb,
start,
r1,
end,
r2,
gradFunc,
extend, extend);
CGColorSpaceRelease(rgb);
CGFunctionRelease(gradFunc);
return DO_SHADING;
state->action = DO_SHADING;
}
static cairo_quartz_action_t
_cairo_quartz_setup_source (cairo_quartz_surface_t *surface,
const cairo_pattern_t *source,
cairo_rectangle_int_t *extents)
/**
* Sets up internal state to be used to draw the source mask, stored in
* cairo_quartz_state_t. Guarantees to call CGContextSaveGState on
* surface->cgContext.
*/
static cairo_quartz_drawing_state_t
_cairo_quartz_setup_state (cairo_quartz_surface_t *surface,
const cairo_pattern_t *source,
cairo_operator_t op,
cairo_rectangle_int_t *extents)
{
assert (!(surface->sourceImage || surface->sourceShading || surface->sourcePattern));
CGContextRef context = surface->cgContext;
cairo_quartz_drawing_state_t state;
cairo_status_t status;
surface->oldInterpolationQuality = CGContextGetInterpolationQuality (surface->cgContext);
CGContextSetInterpolationQuality (surface->cgContext, _cairo_quartz_filter_to_quartz (source->filter));
state.context = context;
state.image = NULL;
state.imageSurface = NULL;
state.shading = NULL;
state.pattern = NULL;
// Save before we change the pattern, colorspace, etc. so that
// we can restore and make sure that quartz releases our
// pattern (which may be stack allocated)
CGContextSaveGState(context);
CGContextSetInterpolationQuality (context, _cairo_quartz_filter_to_quartz (source->filter));
status = _cairo_quartz_surface_set_cairo_operator (surface, op);
if (status == CAIRO_INT_STATUS_NOTHING_TO_DO) {
state.action = DO_NOTHING;
return state;
}
if (status) {
state.action = DO_UNSUPPORTED;
return state;
}
if (source->type == CAIRO_PATTERN_TYPE_SOLID) {
cairo_solid_pattern_t *solid = (cairo_solid_pattern_t *) source;
CGContextSetRGBStrokeColor (surface->cgContext,
CGContextSetRGBStrokeColor (context,
solid->color.red,
solid->color.green,
solid->color.blue,
solid->color.alpha);
CGContextSetRGBFillColor (surface->cgContext,
CGContextSetRGBFillColor (context,
solid->color.red,
solid->color.green,
solid->color.blue,
solid->color.alpha);
return DO_SOLID;
state.action = DO_SOLID;
return state;
}
if (source->type == CAIRO_PATTERN_TYPE_LINEAR) {
const cairo_linear_pattern_t *lpat = (const cairo_linear_pattern_t *)source;
return _cairo_quartz_setup_linear_source (surface, lpat, extents);
_cairo_quartz_setup_linear_source (surface, lpat, extents, &state);
return state;
}
if (source->type == CAIRO_PATTERN_TYPE_RADIAL) {
const cairo_radial_pattern_t *rpat = (const cairo_radial_pattern_t *)source;
return _cairo_quartz_setup_radial_source (surface, rpat, extents);
_cairo_quartz_setup_radial_source (surface, rpat, extents, &state);
return state;
}
if (source->type == CAIRO_PATTERN_TYPE_SURFACE &&
@ -1606,31 +1669,35 @@ _cairo_quartz_setup_source (cairo_quartz_surface_t *surface,
CGImageRef img;
cairo_matrix_t m = spat->base.matrix;
cairo_rectangle_int_t extents;
cairo_status_t status;
CGAffineTransform xform;
CGRect srcRect;
cairo_fixed_t fw, fh;
cairo_bool_t is_bounded;
status = _cairo_surface_to_cgimage ((cairo_surface_t *) surface, pat_surf, &img);
if (status)
return DO_UNSUPPORTED;
if (img == NULL)
return DO_NOTHING;
if (status) {
state.action = DO_UNSUPPORTED;
return state;
}
if (img == NULL) {
state.action = DO_NOTHING;
return state;
}
CGContextSetRGBFillColor (surface->cgContext, 0, 0, 0, 1);
surface->sourceImage = img;
state.image = img;
cairo_matrix_invert(&m);
_cairo_quartz_cairo_matrix_to_quartz (&m, &surface->sourceTransform);
_cairo_quartz_cairo_matrix_to_quartz (&m, &state.transform);
is_bounded = _cairo_surface_get_extents (pat_surf, &extents);
assert (is_bounded);
if (source->extend == CAIRO_EXTEND_NONE) {
surface->sourceImageRect = CGRectMake (0, 0, extents.width, extents.height);
return DO_IMAGE;
state.imageRect = CGRectMake (0, 0, extents.width, extents.height);
state.action = DO_IMAGE;
return state;
}
/* Quartz seems to tile images at pixel-aligned regions only -- this
@ -1640,8 +1707,8 @@ _cairo_quartz_setup_source (cairo_quartz_surface_t *surface,
* epsilon), and if not, fall back to the CGPattern type.
*/
xform = CGAffineTransformConcat (CGContextGetCTM (surface->cgContext),
surface->sourceTransform);
xform = CGAffineTransformConcat (CGContextGetCTM (context),
state.transform);
srcRect = CGRectMake (0, 0, extents.width, extents.height);
srcRect = CGRectApplyAffineTransform (srcRect, xform);
@ -1662,9 +1729,9 @@ _cairo_quartz_setup_source (cairo_quartz_surface_t *surface,
srcRect = CGRectApplyAffineTransform (srcRect, xform);
surface->sourceImageRect = srcRect;
return DO_TILED_IMAGE;
state.imageRect = srcRect;
state.action = DO_TILED_IMAGE;
return state;
}
/* Fall through to generic SURFACE case */
@ -1677,86 +1744,84 @@ _cairo_quartz_setup_source (cairo_quartz_surface_t *surface,
cairo_int_status_t status;
status = _cairo_quartz_cairo_repeating_surface_pattern_to_quartz (surface, source, &pattern);
if (status == CAIRO_INT_STATUS_NOTHING_TO_DO)
return DO_NOTHING;
if (status)
return DO_UNSUPPORTED;
if (status == CAIRO_INT_STATUS_NOTHING_TO_DO) {
state.action = DO_NOTHING;
return state;
}
if (status) {
state.action = DO_UNSUPPORTED;
return state;
}
// Save before we change the pattern, colorspace, etc. so that
// we can restore and make sure that quartz releases our
// pattern (which may be stack allocated)
CGContextSaveGState(surface->cgContext);
patternSpace = CGColorSpaceCreatePattern(NULL);
CGContextSetFillColorSpace (surface->cgContext, patternSpace);
CGContextSetFillPattern (surface->cgContext, pattern, &patternAlpha);
CGContextSetStrokeColorSpace (surface->cgContext, patternSpace);
CGContextSetStrokePattern (surface->cgContext, pattern, &patternAlpha);
patternSpace = CGColorSpaceCreatePattern (NULL);
CGContextSetFillColorSpace (context, patternSpace);
CGContextSetFillPattern (context, pattern, &patternAlpha);
CGContextSetStrokeColorSpace (context, patternSpace);
CGContextSetStrokePattern (context, pattern, &patternAlpha);
CGColorSpaceRelease (patternSpace);
/* Quartz likes to munge the pattern phase (as yet unexplained
* why); force it to 0,0 as we've already baked in the correct
* pattern translation into the pattern matrix
*/
CGContextSetPatternPhase (surface->cgContext, CGSizeMake(0,0));
CGContextSetPatternPhase (context, CGSizeMake(0,0));
surface->sourcePattern = pattern;
return DO_PATTERN;
state.pattern = pattern;
state.action = DO_PATTERN;
return state;
}
return DO_UNSUPPORTED;
state.action = DO_UNSUPPORTED;
return state;
}
/**
* 1) Tears down internal state used to draw the source
* 2) Does CGContextRestoreGState(state->context)
*/
static void
_cairo_quartz_teardown_source (cairo_quartz_surface_t *surface,
const cairo_pattern_t *source)
_cairo_quartz_teardown_state (cairo_quartz_drawing_state_t *state)
{
CGContextSetInterpolationQuality (surface->cgContext, surface->oldInterpolationQuality);
if (surface->sourceImage) {
CGImageRelease(surface->sourceImage);
surface->sourceImage = NULL;
cairo_surface_destroy(surface->sourceImageSurface);
surface->sourceImageSurface = NULL;
if (state->image) {
CGImageRelease(state->image);
}
if (surface->sourceShading) {
CGShadingRelease(surface->sourceShading);
surface->sourceShading = NULL;
if (state->imageSurface) {
cairo_surface_destroy(state->imageSurface);
}
if (surface->sourcePattern) {
CGPatternRelease(surface->sourcePattern);
// To tear down the pattern and colorspace
CGContextRestoreGState(surface->cgContext);
surface->sourcePattern = NULL;
if (state->shading) {
CGShadingRelease(state->shading);
}
if (state->pattern) {
CGPatternRelease(state->pattern);
}
CGContextRestoreGState(state->context);
}
static void
_cairo_quartz_draw_image (cairo_quartz_surface_t *surface, cairo_operator_t op, cairo_quartz_action_t action)
_cairo_quartz_draw_image (cairo_quartz_drawing_state_t *state, cairo_operator_t op)
{
assert (surface && surface->sourceImage && (action == DO_IMAGE || action == DO_TILED_IMAGE));
assert (state && state->image && (state->action == DO_IMAGE || state->action == DO_TILED_IMAGE));
CGContextConcatCTM (surface->cgContext, surface->sourceTransform);
CGContextTranslateCTM (surface->cgContext, 0, surface->sourceImageRect.size.height);
CGContextScaleCTM (surface->cgContext, 1, -1);
CGContextConcatCTM (state->context, state->transform);
CGContextTranslateCTM (state->context, 0, state->imageRect.size.height);
CGContextScaleCTM (state->context, 1, -1);
if (action == DO_IMAGE) {
CGContextDrawImage (surface->cgContext, surface->sourceImageRect, surface->sourceImage);
if (!_cairo_operator_bounded_by_source(op)) {
CGContextBeginPath (surface->cgContext);
CGContextAddRect (surface->cgContext, surface->sourceImageRect);
CGContextAddRect (surface->cgContext, CGContextGetClipBoundingBox (surface->cgContext));
CGContextSetRGBFillColor (surface->cgContext, 0, 0, 0, 0);
CGContextEOFillPath (surface->cgContext);
if (state->action == DO_IMAGE) {
CGContextDrawImage (state->context, state->imageRect, state->image);
if (!_cairo_operator_bounded_by_source (op)) {
CGContextBeginPath (state->context);
CGContextAddRect (state->context, state->imageRect);
CGContextAddRect (state->context, CGContextGetClipBoundingBox (state->context));
CGContextSetRGBFillColor (state->context, 0, 0, 0, 0);
CGContextEOFillPath (state->context);
}
} else
CGContextDrawTiledImagePtr (surface->cgContext, surface->sourceImageRect, surface->sourceImage);
CGContextDrawTiledImagePtr (state->context, state->imageRect, state->image);
}
@ -2103,7 +2168,7 @@ _cairo_quartz_surface_paint (void *abstract_surface,
{
cairo_quartz_surface_t *surface = (cairo_quartz_surface_t *) abstract_surface;
cairo_int_status_t rv = CAIRO_STATUS_SUCCESS;
cairo_quartz_action_t action;
cairo_quartz_drawing_state_t state;
ND((stderr, "%p _cairo_quartz_surface_paint op %d source->type %d\n", surface, op, source->type));
@ -2114,31 +2179,23 @@ _cairo_quartz_surface_paint (void *abstract_surface,
if (unlikely (rv))
return rv;
rv = _cairo_quartz_surface_set_cairo_operator (surface, op);
if (unlikely (rv))
return rv == CAIRO_INT_STATUS_NOTHING_TO_DO ? CAIRO_STATUS_SUCCESS : rv;
state = _cairo_quartz_setup_state (surface, source, op, NULL);
action = _cairo_quartz_setup_source (surface, source, NULL);
if (action == DO_SOLID || action == DO_PATTERN) {
CGContextFillRect (surface->cgContext, CGRectMake(surface->extents.x,
surface->extents.y,
surface->extents.width,
surface->extents.height));
} else if (action == DO_SHADING) {
CGContextSaveGState (surface->cgContext);
CGContextConcatCTM (surface->cgContext, surface->sourceTransform);
CGContextDrawShading (surface->cgContext, surface->sourceShading);
CGContextRestoreGState (surface->cgContext);
} else if (action == DO_IMAGE || action == DO_TILED_IMAGE) {
CGContextSaveGState (surface->cgContext);
_cairo_quartz_draw_image (surface, op, action);
CGContextRestoreGState (surface->cgContext);
} else if (action != DO_NOTHING) {
if (state.action == DO_SOLID || state.action == DO_PATTERN) {
CGContextFillRect (state.context, CGRectMake(surface->extents.x,
surface->extents.y,
surface->extents.width,
surface->extents.height));
} else if (state.action == DO_SHADING) {
CGContextConcatCTM (state.context, state.transform);
CGContextDrawShading (state.context, state.shading);
} else if (state.action == DO_IMAGE || state.action == DO_TILED_IMAGE) {
_cairo_quartz_draw_image (&state, op);
} else if (state.action != DO_NOTHING) {
rv = CAIRO_INT_STATUS_UNSUPPORTED;
}
_cairo_quartz_teardown_source (surface, source);
_cairo_quartz_teardown_state (&state);
ND((stderr, "-- paint\n"));
return rv;
@ -2175,7 +2232,7 @@ _cairo_quartz_surface_fill (void *abstract_surface,
{
cairo_quartz_surface_t *surface = (cairo_quartz_surface_t *) abstract_surface;
cairo_int_status_t rv = CAIRO_STATUS_SUCCESS;
cairo_quartz_action_t action;
cairo_quartz_drawing_state_t state;
quartz_stroke_t stroke;
CGPathRef path_for_unbounded = NULL;
@ -2188,14 +2245,6 @@ _cairo_quartz_surface_fill (void *abstract_surface,
if (unlikely (rv))
return rv;
rv = _cairo_quartz_surface_set_cairo_operator (surface, op);
if (unlikely (rv))
return rv == CAIRO_INT_STATUS_NOTHING_TO_DO ? CAIRO_STATUS_SUCCESS : rv;
CGContextSaveGState (surface->cgContext);
CGContextSetShouldAntialias (surface->cgContext, (antialias != CAIRO_ANTIALIAS_NONE));
if (_cairo_quartz_source_needs_extents (source))
{
/* We don't need precise extents since these are only used to
@ -2203,53 +2252,53 @@ _cairo_quartz_surface_fill (void *abstract_surface,
object. */
cairo_rectangle_int_t path_extents;
_cairo_path_fixed_approximate_fill_extents (path, &path_extents);
action = _cairo_quartz_setup_source (surface, source, &path_extents);
state = _cairo_quartz_setup_state (surface, source, op, &path_extents);
} else {
action = _cairo_quartz_setup_source (surface, source, NULL);
state = _cairo_quartz_setup_state (surface, source, op, NULL);
}
CGContextBeginPath (surface->cgContext);
CGContextSetShouldAntialias (state.context, (antialias != CAIRO_ANTIALIAS_NONE));
stroke.cgContext = surface->cgContext;
CGContextBeginPath (state.context);
stroke.cgContext = state.context;
stroke.ctm_inverse = NULL;
rv = _cairo_quartz_cairo_path_to_quartz_context (path, &stroke);
if (rv)
goto BAIL;
if (!_cairo_operator_bounded_by_mask(op) && CGContextCopyPathPtr)
path_for_unbounded = CGContextCopyPathPtr (surface->cgContext);
path_for_unbounded = CGContextCopyPathPtr (state.context);
if (action == DO_SOLID || action == DO_PATTERN) {
if (state.action == DO_SOLID || state.action == DO_PATTERN) {
if (fill_rule == CAIRO_FILL_RULE_WINDING)
CGContextFillPath (surface->cgContext);
CGContextFillPath (state.context);
else
CGContextEOFillPath (surface->cgContext);
} else if (action == DO_SHADING) {
CGContextEOFillPath (state.context);
} else if (state.action == DO_SHADING) {
// we have to clip and then paint the shading; we can't fill
// with the shading
if (fill_rule == CAIRO_FILL_RULE_WINDING)
CGContextClip (surface->cgContext);
CGContextClip (state.context);
else
CGContextEOClip (surface->cgContext);
CGContextEOClip (state.context);
CGContextConcatCTM (surface->cgContext, surface->sourceTransform);
CGContextDrawShading (surface->cgContext, surface->sourceShading);
} else if (action == DO_IMAGE || action == DO_TILED_IMAGE) {
CGContextConcatCTM (state.context, state.transform);
CGContextDrawShading (state.context, state.shading);
} else if (state.action == DO_IMAGE || state.action == DO_TILED_IMAGE) {
if (fill_rule == CAIRO_FILL_RULE_WINDING)
CGContextClip (surface->cgContext);
CGContextClip (state.context);
else
CGContextEOClip (surface->cgContext);
CGContextEOClip (state.context);
_cairo_quartz_draw_image (surface, op, action);
} else if (action != DO_NOTHING) {
_cairo_quartz_draw_image (&state, op);
} else if (state.action != DO_NOTHING) {
rv = CAIRO_INT_STATUS_UNSUPPORTED;
}
BAIL:
_cairo_quartz_teardown_source (surface, source);
CGContextRestoreGState (surface->cgContext);
_cairo_quartz_teardown_state (&state);
if (path_for_unbounded) {
unbounded_op_data_t ub;
@ -2279,7 +2328,7 @@ _cairo_quartz_surface_stroke (void *abstract_surface,
{
cairo_quartz_surface_t *surface = (cairo_quartz_surface_t *) abstract_surface;
cairo_int_status_t rv = CAIRO_STATUS_SUCCESS;
cairo_quartz_action_t action;
cairo_quartz_drawing_state_t state;
quartz_stroke_t stroke;
CGAffineTransform origCTM, strokeTransform;
CGPathRef path_for_unbounded = NULL;
@ -2293,20 +2342,25 @@ _cairo_quartz_surface_stroke (void *abstract_surface,
if (unlikely (rv))
return rv;
rv = _cairo_quartz_surface_set_cairo_operator (surface, op);
if (unlikely (rv))
return rv == CAIRO_INT_STATUS_NOTHING_TO_DO ? CAIRO_STATUS_SUCCESS : rv;
if (_cairo_quartz_source_needs_extents (source))
{
cairo_rectangle_int_t path_extents;
_cairo_path_fixed_approximate_stroke_extents (path, style, ctm, &path_extents);
state = _cairo_quartz_setup_state (surface, source, op, &path_extents);
} else {
state = _cairo_quartz_setup_state (surface, source, op, NULL);
}
// Turning antialiasing off used to cause misrendering with
// single-pixel lines (e.g. 20,10.5 -> 21,10.5 end up being rendered as 2 pixels).
// That's been since fixed in at least 10.5, and in the latest 10.4 dot releases.
CGContextSetShouldAntialias (surface->cgContext, (antialias != CAIRO_ANTIALIAS_NONE));
CGContextSetLineWidth (surface->cgContext, style->line_width);
CGContextSetLineCap (surface->cgContext, _cairo_quartz_cairo_line_cap_to_quartz (style->line_cap));
CGContextSetLineJoin (surface->cgContext, _cairo_quartz_cairo_line_join_to_quartz (style->line_join));
CGContextSetMiterLimit (surface->cgContext, style->miter_limit);
CGContextSetShouldAntialias (state.context, (antialias != CAIRO_ANTIALIAS_NONE));
CGContextSetLineWidth (state.context, style->line_width);
CGContextSetLineCap (state.context, _cairo_quartz_cairo_line_cap_to_quartz (style->line_cap));
CGContextSetLineJoin (state.context, _cairo_quartz_cairo_line_join_to_quartz (style->line_join));
CGContextSetMiterLimit (state.context, style->miter_limit);
origCTM = CGContextGetCTM (surface->cgContext);
origCTM = CGContextGetCTM (state.context);
if (style->dash && style->num_dashes) {
#define STATIC_DASH 32
@ -2335,80 +2389,65 @@ _cairo_quartz_surface_stroke (void *abstract_surface,
for (k = 0; k < max_dashes; k++)
fdash[k] = (CGFloat) style->dash[k % style->num_dashes];
}
CGContextSetLineDash (surface->cgContext, offset, fdash, max_dashes);
CGContextSetLineDash (state.context, offset, fdash, max_dashes);
if (fdash != sdash)
free (fdash);
} else
CGContextSetLineDash (surface->cgContext, 0, NULL, 0);
CGContextSaveGState (surface->cgContext);
if (_cairo_quartz_source_needs_extents (source))
{
cairo_rectangle_int_t path_extents;
_cairo_path_fixed_approximate_stroke_extents (path, style, ctm, &path_extents);
action = _cairo_quartz_setup_source (surface, source, &path_extents);
} else {
action = _cairo_quartz_setup_source (surface, source, NULL);
}
CGContextSetLineDash (state.context, 0, NULL, 0);
_cairo_quartz_cairo_matrix_to_quartz (ctm, &strokeTransform);
CGContextConcatCTM (surface->cgContext, strokeTransform);
CGContextConcatCTM (state.context, strokeTransform);
CGContextBeginPath (surface->cgContext);
CGContextBeginPath (state.context);
stroke.cgContext = surface->cgContext;
stroke.cgContext = state.context;
stroke.ctm_inverse = ctm_inverse;
rv = _cairo_quartz_cairo_path_to_quartz_context (path, &stroke);
if (rv)
goto BAIL;
if (!_cairo_operator_bounded_by_mask (op) && CGContextCopyPathPtr)
path_for_unbounded = CGContextCopyPathPtr (surface->cgContext);
path_for_unbounded = CGContextCopyPathPtr (state.context);
if (action == DO_SOLID || action == DO_PATTERN) {
CGContextStrokePath (surface->cgContext);
} else if (action == DO_IMAGE || action == DO_TILED_IMAGE) {
CGContextReplacePathWithStrokedPath (surface->cgContext);
CGContextClip (surface->cgContext);
if (state.action == DO_SOLID || state.action == DO_PATTERN) {
CGContextStrokePath (state.context);
} else if (state.action == DO_IMAGE || state.action == DO_TILED_IMAGE) {
CGContextReplacePathWithStrokedPath (state.context);
CGContextClip (state.context);
CGContextSetCTM (surface->cgContext, origCTM);
_cairo_quartz_draw_image (surface, op, action);
} else if (action == DO_SHADING) {
CGContextReplacePathWithStrokedPath (surface->cgContext);
CGContextClip (surface->cgContext);
CGContextSetCTM (state.context, origCTM);
_cairo_quartz_draw_image (&state, op);
} else if (state.action == DO_SHADING) {
CGContextReplacePathWithStrokedPath (state.context);
CGContextClip (state.context);
CGContextSetCTM (surface->cgContext, origCTM);
CGContextSetCTM (state.context, origCTM);
CGContextConcatCTM (surface->cgContext, surface->sourceTransform);
CGContextDrawShading (surface->cgContext, surface->sourceShading);
} else if (action != DO_NOTHING) {
CGContextConcatCTM (state.context, state.transform);
CGContextDrawShading (state.context, state.shading);
} else if (state.action != DO_NOTHING) {
rv = CAIRO_INT_STATUS_UNSUPPORTED;
goto BAIL;
}
if (path_for_unbounded) {
CGContextSetCTM (state.context, origCTM);
CGContextConcatCTM (state.context, strokeTransform);
CGContextBeginPath (state.context);
CGContextAddPath (state.context, path_for_unbounded);
CGPathRelease (path_for_unbounded);
CGContextReplacePathWithStrokedPath (state.context);
CGContextAddRect (state.context, CGContextGetClipBoundingBox (state.context));
CGContextSetRGBFillColor (state.context, 0., 0., 0., 0.);
CGContextEOFillPath (state.context);
}
BAIL:
_cairo_quartz_teardown_source (surface, source);
CGContextRestoreGState (surface->cgContext);
if (path_for_unbounded) {
CGContextSaveGState (surface->cgContext);
CGContextConcatCTM (surface->cgContext, strokeTransform);
CGContextBeginPath (surface->cgContext);
CGContextAddPath (surface->cgContext, path_for_unbounded);
CGPathRelease (path_for_unbounded);
CGContextReplacePathWithStrokedPath (surface->cgContext);
CGContextAddRect (surface->cgContext, CGContextGetClipBoundingBox (surface->cgContext));
CGContextSetRGBFillColor (surface->cgContext, 0., 0., 0., 0.);
CGContextEOFillPath (surface->cgContext);
CGContextRestoreGState (surface->cgContext);
}
_cairo_quartz_teardown_state (&state);
ND((stderr, "-- stroke\n"));
return rv;
@ -2434,7 +2473,7 @@ _cairo_quartz_surface_show_glyphs (void *abstract_surface,
cairo_quartz_surface_t *surface = (cairo_quartz_surface_t *) abstract_surface;
cairo_int_status_t rv = CAIRO_STATUS_SUCCESS;
cairo_quartz_action_t action;
cairo_quartz_drawing_state_t state;
float xprev, yprev;
int i;
CGFontRef cgfref = NULL;
@ -2455,55 +2494,49 @@ _cairo_quartz_surface_show_glyphs (void *abstract_surface,
if (unlikely (rv))
return rv;
rv = _cairo_quartz_surface_set_cairo_operator (surface, op);
if (unlikely (rv))
return rv == CAIRO_INT_STATUS_NOTHING_TO_DO ? CAIRO_STATUS_SUCCESS : rv;
CGContextSaveGState (surface->cgContext);
if (_cairo_quartz_source_needs_extents (source))
{
cairo_rectangle_int_t glyph_extents;
_cairo_scaled_font_glyph_device_extents (scaled_font, glyphs, num_glyphs,
&glyph_extents, NULL);
action = _cairo_quartz_setup_source (surface, source, &glyph_extents);
state = _cairo_quartz_setup_state (surface, source, op, &glyph_extents);
} else {
action = _cairo_quartz_setup_source (surface, source, NULL);
state = _cairo_quartz_setup_state (surface, source, op, NULL);
}
if (action == DO_SOLID || action == DO_PATTERN) {
CGContextSetTextDrawingMode (surface->cgContext, kCGTextFill);
} else if (action == DO_IMAGE || action == DO_TILED_IMAGE || action == DO_SHADING) {
CGContextSetTextDrawingMode (surface->cgContext, kCGTextClip);
if (state.action == DO_SOLID || state.action == DO_PATTERN) {
CGContextSetTextDrawingMode (state.context, kCGTextFill);
} else if (state.action == DO_IMAGE || state.action == DO_TILED_IMAGE || state.action == DO_SHADING) {
CGContextSetTextDrawingMode (state.context, kCGTextClip);
isClipping = TRUE;
} else {
if (action != DO_NOTHING)
if (state.action != DO_NOTHING)
rv = CAIRO_INT_STATUS_UNSUPPORTED;
goto BAIL;
}
/* this doesn't addref */
cgfref = _cairo_quartz_scaled_font_get_cg_font_ref (scaled_font);
CGContextSetFont (surface->cgContext, cgfref);
CGContextSetFontSize (surface->cgContext, 1.0);
CGContextSetFont (state.context, cgfref);
CGContextSetFontSize (state.context, 1.0);
switch (scaled_font->options.antialias) {
case CAIRO_ANTIALIAS_SUBPIXEL:
CGContextSetShouldAntialias (surface->cgContext, TRUE);
CGContextSetShouldSmoothFonts (surface->cgContext, TRUE);
CGContextSetShouldAntialias (state.context, TRUE);
CGContextSetShouldSmoothFonts (state.context, TRUE);
if (CGContextSetAllowsFontSmoothingPtr &&
!CGContextGetAllowsFontSmoothingPtr (surface->cgContext))
!CGContextGetAllowsFontSmoothingPtr (state.context))
{
didForceFontSmoothing = TRUE;
CGContextSetAllowsFontSmoothingPtr (surface->cgContext, TRUE);
CGContextSetAllowsFontSmoothingPtr (state.context, TRUE);
}
break;
case CAIRO_ANTIALIAS_NONE:
CGContextSetShouldAntialias (surface->cgContext, FALSE);
CGContextSetShouldAntialias (state.context, FALSE);
break;
case CAIRO_ANTIALIAS_GRAY:
CGContextSetShouldAntialias (surface->cgContext, TRUE);
CGContextSetShouldSmoothFonts (surface->cgContext, FALSE);
CGContextSetShouldAntialias (state.context, TRUE);
CGContextSetShouldSmoothFonts (state.context, FALSE);
break;
case CAIRO_ANTIALIAS_DEFAULT:
/* Don't do anything */
@ -2537,7 +2570,7 @@ _cairo_quartz_surface_show_glyphs (void *abstract_surface,
0., 0.),
textTransform);
CGContextSetTextMatrix (surface->cgContext, textTransform);
CGContextSetTextMatrix (state.context, textTransform);
/* Convert our glyph positions to glyph advances. We need n-1 advances,
* since the advance at index 0 is applied after glyph 0. */
@ -2574,30 +2607,28 @@ _cairo_quartz_surface_show_glyphs (void *abstract_surface,
#endif
/* Translate to the first glyph's position before drawing */
ctm = CGContextGetCTM (surface->cgContext);
CGContextTranslateCTM (surface->cgContext, glyphs[0].x, glyphs[0].y);
ctm = CGContextGetCTM (state.context);
CGContextTranslateCTM (state.context, glyphs[0].x, glyphs[0].y);
CGContextShowGlyphsWithAdvances (surface->cgContext,
CGContextShowGlyphsWithAdvances (state.context,
cg_glyphs,
cg_advances,
num_glyphs);
CGContextSetCTM (surface->cgContext, ctm);
CGContextSetCTM (state.context, ctm);
if (action == DO_IMAGE || action == DO_TILED_IMAGE) {
_cairo_quartz_draw_image (surface, op, action);
} else if (action == DO_SHADING) {
CGContextConcatCTM (surface->cgContext, surface->sourceTransform);
CGContextDrawShading (surface->cgContext, surface->sourceShading);
if (state.action == DO_IMAGE || state.action == DO_TILED_IMAGE) {
_cairo_quartz_draw_image (&state, op);
} else if (state.action == DO_SHADING) {
CGContextConcatCTM (state.context, state.transform);
CGContextDrawShading (state.context, state.shading);
}
BAIL:
_cairo_quartz_teardown_source (surface, source);
if (didForceFontSmoothing)
CGContextSetAllowsFontSmoothingPtr (surface->cgContext, FALSE);
CGContextSetAllowsFontSmoothingPtr (state.context, FALSE);
CGContextRestoreGState (surface->cgContext);
_cairo_quartz_teardown_state (&state);
if (rv == CAIRO_STATUS_SUCCESS &&
cgfref &&

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