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app: add gimp_cairo_image_surface_create_buffer()

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and use it to shrink text layer rendering to even fewer lines.
This commit is contained in:
Michael Natterer
2012-04-10 13:08:02 +02:00
parent 53cf2c657b
commit 5735e35f0c
4 changed files with 52 additions and 25 deletions
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13
app/Makefile.am
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@ -135,10 +135,12 @@ workaround_that_file_depends_on_plug_in = \
# core, vectors and gegl are on the same architectural layer, prevent
# the linker from panicing
calm_down_linker = \
-u $(SYMPREFIX)gimp_vectors_undo_get_type \
-u $(SYMPREFIX)gimp_vectors_mod_undo_get_type \
-u $(SYMPREFIX)gimp_vectors_prop_undo_get_type \
-u $(SYMPREFIX)gimp_curve_map_pixels
-u $(SYMPREFIX)gimp_vectors_undo_get_type \
-u $(SYMPREFIX)gimp_vectors_mod_undo_get_type \
-u $(SYMPREFIX)gimp_vectors_prop_undo_get_type \
-u $(SYMPREFIX)gimp_curve_map_pixels \
-u $(SYMPREFIX)gimp_cairo_image_surface_create_buffer \
-u $(SYMPREFIX)gimp_param_spec_duplicate
AM_LDFLAGS = \
$(munix) \
@ -147,8 +149,7 @@ AM_LDFLAGS = \
$(workaround_that_core_depends_on_xcf) \
$(workaround_that_core_depends_on_pdb) \
$(workaround_that_plug_in_depends_on_pdb) \
$(workaround_that_file_depends_on_plug_in) \
-u $(SYMPREFIX)gimp_param_spec_duplicate
$(workaround_that_file_depends_on_plug_in)
gimpconsoleldadd = \
xcf/libappxcf.a \

28
app/core/gimp-cairo.c
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@ -36,6 +36,34 @@
static cairo_user_data_key_t surface_data_key = { 0, };
GeglBuffer *
gimp_cairo_image_surface_create_buffer (cairo_surface_t *surface)
{
const Babl *format;
gint width;
gint height;
g_return_val_if_fail (surface != NULL, NULL);
g_return_val_if_fail (cairo_surface_get_type (surface) ==
CAIRO_SURFACE_TYPE_IMAGE, NULL);
width = cairo_image_surface_get_width (surface);
height = cairo_image_surface_get_height (surface);
if (cairo_surface_get_content (surface) == CAIRO_CONTENT_COLOR_ALPHA)
format = babl_format ("cairo-ARGB32");
else
format = babl_format ("cairo-RGB24");
return
gegl_buffer_linear_new_from_data (cairo_image_surface_get_data (surface),
format,
GEGL_RECTANGLE (0, 0, width, height),
cairo_image_surface_get_stride (surface),
(GDestroyNotify) cairo_surface_destroy,
cairo_surface_reference (surface));
}
cairo_pattern_t *
gimp_cairo_stipple_pattern_create (const GimpRGB *fg,
const GimpRGB *bg,

26
app/core/gimp-cairo.h
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@ -25,19 +25,21 @@
#define __GIMP_CAIRO_H__
cairo_pattern_t * gimp_cairo_stipple_pattern_create (const GimpRGB *fg,
const GimpRGB *bg,
gint index);
GeglBuffer * gimp_cairo_image_surface_create_buffer (cairo_surface_t *surface);
void gimp_cairo_add_arc (cairo_t *cr,
gdouble center_x,
gdouble center_y,
gdouble radius,
gdouble start_angle,
gdouble slice_angle);
void gimp_cairo_add_segments (cairo_t *cr,
GimpSegment *segs,
gint n_segs);
cairo_pattern_t * gimp_cairo_stipple_pattern_create (const GimpRGB *fg,
const GimpRGB *bg,
gint index);
void gimp_cairo_add_arc (cairo_t *cr,
gdouble center_x,
gdouble center_y,
gdouble radius,
gdouble start_angle,
gdouble slice_angle);
void gimp_cairo_add_segments (cairo_t *cr,
GimpSegment *segs,
gint n_segs);
#endif /* __GIMP_CAIRO_H__ */

10
app/text/gimptextlayer.c
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@ -36,6 +36,7 @@
#include "gegl/gimp-gegl-utils.h"
#include "core/gimp.h"
#include "core/gimp-cairo.h"
#include "core/gimp-utils.h"
#include "core/gimpcontext.h"
#include "core/gimpcontainer.h"
@ -670,18 +671,13 @@ gimp_text_layer_render_layout (GimpTextLayer *layer,
cairo_surface_flush (surface);
buffer =
gegl_buffer_linear_new_from_data (cairo_image_surface_get_data (surface),
babl_format ("cairo-ARGB32"),
GEGL_RECTANGLE (0, 0, width, height),
cairo_image_surface_get_stride (surface),
(GDestroyNotify) cairo_surface_destroy,
surface);
buffer = gimp_cairo_image_surface_create_buffer (surface);
gegl_buffer_copy (buffer, NULL,
gimp_drawable_get_buffer (drawable), NULL);
g_object_unref (buffer);
cairo_surface_destroy (surface);
gimp_drawable_update (drawable, 0, 0, width, height);
}