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[script] Hide the implicit CLEAR for similar surfaces

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Do emit the clear that is performed by the surface layer on similar
surfaces.
This commit is contained in:
Chris Wilson 2009-08-11 22:30:58 +01:00
parent 005b195f06
commit b6db3053dc
1 changed files with 43 additions and 0 deletions
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43
src/cairo-script-surface.c
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@ -127,6 +127,7 @@ struct _cairo_script_surface {
unsigned long id;
cairo_list_t operand;
cairo_bool_t defined;
cairo_bool_t is_clear;
double width, height;
@ -1616,6 +1617,7 @@ _cairo_script_surface_create_similar (void *abstract_surface,
_content_to_string (content),
surface->id);
surface->defined = TRUE;
surface->is_clear = TRUE;
target_push (surface);
return &surface->base;
@ -1903,6 +1905,11 @@ _cairo_script_surface_paint (void *abstract_surface,
cairo_script_surface_t *surface = abstract_surface;
cairo_status_t status;
if (op == CAIRO_OPERATOR_CLEAR) {
if (surface->is_clear)
goto DONE;
}
ctx_active (surface->ctx);
status = _cairo_surface_clipper_set_clip (&surface->clipper, clip);
@ -1924,8 +1931,11 @@ _cairo_script_surface_paint (void *abstract_surface,
_cairo_output_stream_puts (surface->ctx->stream,
"paint\n");
surface->is_clear = op == CAIRO_OPERATOR_CLEAR && clip == NULL;
ctx_inactive (surface->ctx);
DONE:
if (_cairo_surface_wrapper_is_active (&surface->wrapper)) {
return _cairo_surface_wrapper_paint (&surface->wrapper,
op, source, clip);
@ -1944,6 +1954,11 @@ _cairo_script_surface_mask (void *abstract_surface,
cairo_script_surface_t *surface = abstract_surface;
cairo_status_t status;
if (op == CAIRO_OPERATOR_CLEAR) {
if (surface->is_clear)
goto DONE;
}
ctx_active (surface->ctx);
status = _cairo_surface_clipper_set_clip (&surface->clipper, clip);
@ -1975,8 +1990,11 @@ _cairo_script_surface_mask (void *abstract_surface,
_cairo_output_stream_puts (surface->ctx->stream,
" mask\n");
surface->is_clear = FALSE;
ctx_inactive (surface->ctx);
DONE:
if (_cairo_surface_wrapper_is_active (&surface->wrapper)) {
return _cairo_surface_wrapper_mask (&surface->wrapper,
op, source, mask, clip);
@ -2001,6 +2019,11 @@ _cairo_script_surface_stroke (void *abstract_surface,
cairo_bool_t matrix_updated = FALSE;
cairo_status_t status;
if (op == CAIRO_OPERATOR_CLEAR) {
if (surface->is_clear)
goto DONE;
}
ctx_active (surface->ctx);
status = _cairo_surface_clipper_set_clip (&surface->clipper, clip);
@ -2047,8 +2070,11 @@ _cairo_script_surface_stroke (void *abstract_surface,
_cairo_output_stream_puts (surface->ctx->stream, "stroke+\n");
surface->is_clear = FALSE;
ctx_inactive (surface->ctx);
DONE:
if (_cairo_surface_wrapper_is_active (&surface->wrapper)) {
return _cairo_surface_wrapper_stroke (&surface->wrapper,
op, source, path,
@ -2075,6 +2101,11 @@ _cairo_script_surface_fill (void *abstract_surface,
cairo_bool_t matrix_updated = FALSE;
cairo_status_t status;
if (op == CAIRO_OPERATOR_CLEAR) {
if (surface->is_clear)
goto DONE;
}
ctx_active (surface->ctx);
status = _cairo_surface_clipper_set_clip (&surface->clipper, clip);
@ -2119,8 +2150,11 @@ _cairo_script_surface_fill (void *abstract_surface,
_cairo_output_stream_puts (surface->ctx->stream, "fill+\n");
surface->is_clear = FALSE;
ctx_inactive (surface->ctx);
DONE:
if (_cairo_surface_wrapper_is_active (&surface->wrapper)) {
return _cairo_surface_wrapper_fill (&surface->wrapper,
op, source, path,
@ -2699,6 +2733,11 @@ _cairo_script_surface_show_text_glyphs (void *abstract_surface,
int n;
cairo_output_stream_t *base85_stream = NULL;
if (op == CAIRO_OPERATOR_CLEAR) {
if (surface->is_clear)
goto DONE;
}
ctx_active (surface->ctx);
status = _cairo_surface_clipper_set_clip (&surface->clipper, clip);
@ -2907,8 +2946,11 @@ _cairo_script_surface_show_text_glyphs (void *abstract_surface,
"] show-glyphs\n");
}
surface->is_clear = FALSE;
ctx_inactive (surface->ctx);
DONE:
if (_cairo_surface_wrapper_is_active (&surface->wrapper)){
return _cairo_surface_wrapper_show_text_glyphs (&surface->wrapper,
op, source,
@ -3068,6 +3110,7 @@ _cairo_script_surface_create_internal (cairo_script_vmcontext_t *ctx,
surface->height = height;
surface->defined = FALSE;
surface->is_clear = FALSE;
surface->id = (unsigned long) -1;
cairo_list_init (&surface->operand);