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app: let Babl handle converting layers to indexed 

Except of course the initial indexed conversion which needs more logic
than a simple color mapping.
This commit is contained in:
Michael Natterer 2012-03-17 22:53:17 +01:00
parent fbf11ba84f
commit 3ce071b89a
4 changed files with 61 additions and 104 deletions
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76
app/core/gimpdrawable-convert.c
View File

@ -32,6 +32,7 @@
#include "gimpdrawable.h"
#include "gimpdrawable-convert.h"
#include "gimpimage.h"
#include "gimpimage-colormap.h"
void
@ -40,6 +41,7 @@ gimp_drawable_convert_rgb (GimpDrawable *drawable,
{
GimpImageType type;
TileManager *tiles;
GeglBuffer *dest_buffer;
g_return_if_fail (GIMP_IS_DRAWABLE (drawable));
g_return_if_fail (! gimp_drawable_is_rgb (drawable));
@ -53,7 +55,12 @@ gimp_drawable_convert_rgb (GimpDrawable *drawable,
gimp_item_get_height (GIMP_ITEM (drawable)),
GIMP_IMAGE_TYPE_BYTES (type));
gimp_drawable_convert_tiles_rgb (drawable, tiles);
dest_buffer = gimp_tile_manager_create_buffer (tiles, NULL, TRUE);
gegl_buffer_copy (gimp_drawable_get_read_buffer (drawable), NULL,
dest_buffer, NULL);
g_object_unref (dest_buffer);
gimp_drawable_set_tiles (drawable, push_undo, NULL,
tiles, type);
@ -66,6 +73,7 @@ gimp_drawable_convert_grayscale (GimpDrawable *drawable,
{
GimpImageType type;
TileManager *tiles;
GeglBuffer *dest_buffer;
g_return_if_fail (GIMP_IS_DRAWABLE (drawable));
g_return_if_fail (! gimp_drawable_is_gray (drawable));
@ -79,7 +87,12 @@ gimp_drawable_convert_grayscale (GimpDrawable *drawable,
gimp_item_get_height (GIMP_ITEM (drawable)),
GIMP_IMAGE_TYPE_BYTES (type));
gimp_drawable_convert_tiles_grayscale (drawable, tiles);
dest_buffer = gimp_tile_manager_create_buffer (tiles, NULL, TRUE);
gegl_buffer_copy (gimp_drawable_get_read_buffer (drawable), NULL,
dest_buffer, NULL);
g_object_unref (dest_buffer);
gimp_drawable_set_tiles (drawable, push_undo, NULL,
tiles, type);
@ -87,47 +100,44 @@ gimp_drawable_convert_grayscale (GimpDrawable *drawable,
}
void
gimp_drawable_convert_tiles_rgb (GimpDrawable *drawable,
TileManager *new_tiles)
gimp_drawable_convert_indexed (GimpDrawable *drawable,
GimpImage *dest_image,
gboolean push_undo)
{
GeglBuffer *dest_buffer;
gboolean has_alpha;
g_return_if_fail (GIMP_IS_DRAWABLE (drawable));
g_return_if_fail (! gimp_drawable_is_rgb (drawable));
g_return_if_fail (new_tiles != NULL);
has_alpha = gimp_drawable_has_alpha (drawable);
g_return_if_fail (tile_manager_bpp (new_tiles) == (has_alpha ? 4 : 3));
dest_buffer = gimp_tile_manager_create_buffer (new_tiles, NULL, TRUE);
gegl_buffer_copy (gimp_drawable_get_read_buffer (drawable), NULL,
dest_buffer, NULL);
g_object_unref (dest_buffer);
}
void
gimp_drawable_convert_tiles_grayscale (GimpDrawable *drawable,
TileManager *new_tiles)
{
GeglBuffer *dest_buffer;
gboolean has_alpha;
GimpImageType type;
TileManager *tiles;
GeglBuffer *dest_buffer;
const Babl *format;
g_return_if_fail (GIMP_IS_DRAWABLE (drawable));
g_return_if_fail (GIMP_IS_IMAGE (dest_image));
g_return_if_fail (! gimp_drawable_is_gray (drawable));
g_return_if_fail (new_tiles != NULL);
has_alpha = gimp_drawable_has_alpha (drawable);
type = GIMP_INDEXED_IMAGE;
g_return_if_fail (tile_manager_bpp (new_tiles) == (has_alpha ? 2 : 1));
if (gimp_drawable_has_alpha (drawable))
{
type = GIMP_IMAGE_TYPE_WITH_ALPHA (type);
dest_buffer = gimp_tile_manager_create_buffer (new_tiles, NULL, TRUE);
format = gimp_image_colormap_get_rgba_format (dest_image);
}
else
{
format = gimp_image_colormap_get_rgb_format (dest_image);
}
tiles = tile_manager_new (gimp_item_get_width (GIMP_ITEM (drawable)),
gimp_item_get_height (GIMP_ITEM (drawable)),
GIMP_IMAGE_TYPE_BYTES (type));
dest_buffer = gimp_tile_manager_create_buffer (tiles, format, TRUE);
gegl_buffer_copy (gimp_drawable_get_read_buffer (drawable), NULL,
dest_buffer, NULL);
g_object_unref (dest_buffer);
gimp_drawable_set_tiles (drawable, push_undo, NULL,
tiles, type);
tile_manager_unref (tiles);
}

16
app/core/gimpdrawable-convert.h
View File

@ -19,15 +19,13 @@
#define __GIMP_DRAWABLE_CONVERT_H__
void gimp_drawable_convert_rgb (GimpDrawable *drawable,
gboolean push_undo);
void gimp_drawable_convert_grayscale (GimpDrawable *drawable,
gboolean push_undo);
void gimp_drawable_convert_tiles_rgb (GimpDrawable *drawable,
TileManager *new_tiles);
void gimp_drawable_convert_tiles_grayscale (GimpDrawable *drawable,
TileManager *new_tiles);
void gimp_drawable_convert_rgb (GimpDrawable *drawable,
gboolean push_undo);
void gimp_drawable_convert_grayscale (GimpDrawable *drawable,
gboolean push_undo);
void gimp_drawable_convert_indexed (GimpDrawable *drawable,
GimpImage *dest_image,
gboolean push_undo);
#endif /* __GIMP_DRAWABLE_CONVERT_H__ */

6
app/core/gimpdrawable.c
View File

@ -787,8 +787,6 @@ gimp_drawable_real_convert_type (GimpDrawable *drawable,
GimpImageBaseType new_base_type,
gboolean push_undo)
{
g_return_if_fail (new_base_type != GIMP_INDEXED);
switch (new_base_type)
{
case GIMP_RGB:
@ -799,6 +797,10 @@ gimp_drawable_real_convert_type (GimpDrawable *drawable,
gimp_drawable_convert_grayscale (drawable, push_undo);
break;
case GIMP_INDEXED:
gimp_drawable_convert_indexed (drawable, dest_image, push_undo);
break;
default:
break;
}

67
app/core/gimplayer.c
View File

@ -165,10 +165,6 @@ static gint64 gimp_layer_estimate_memsize (const GimpDrawable *drawable,
static void gimp_layer_invalidate_boundary (GimpDrawable *drawable);
static void gimp_layer_get_active_components (const GimpDrawable *drawable,
gboolean *active);
static void gimp_layer_convert_type (GimpDrawable *drawable,
GimpImage *dest_image,
GimpImageBaseType new_base_type,
gboolean push_undo);
static gint gimp_layer_get_opacity_at (GimpPickable *pickable,
gint x,
@ -318,7 +314,6 @@ gimp_layer_class_init (GimpLayerClass *klass)
drawable_class->estimate_memsize = gimp_layer_estimate_memsize;
drawable_class->invalidate_boundary = gimp_layer_invalidate_boundary;
drawable_class->get_active_components = gimp_layer_get_active_components;
drawable_class->convert_type = gimp_layer_convert_type;
drawable_class->project_region = gimp_layer_project_region;
klass->opacity_changed = NULL;
@ -967,60 +962,6 @@ gimp_layer_get_active_components (const GimpDrawable *drawable,
active[gimp_drawable_bytes (drawable) - 1] = FALSE;
}
static void
gimp_layer_convert_type (GimpDrawable *drawable,
GimpImage *dest_image,
GimpImageBaseType new_base_type,
gboolean push_undo)
{
switch (new_base_type)
{
case GIMP_RGB:
case GIMP_GRAY:
GIMP_DRAWABLE_CLASS (parent_class)->convert_type (drawable, dest_image,
new_base_type,
push_undo);
break;
case GIMP_INDEXED:
{
GimpItem *item = GIMP_ITEM (drawable);
TileManager *new_tiles;
GimpImageType new_type;
PixelRegion layerPR;
PixelRegion newPR;
new_type = GIMP_IMAGE_TYPE_FROM_BASE_TYPE (new_base_type);
if (gimp_drawable_has_alpha (drawable))
new_type = GIMP_IMAGE_TYPE_WITH_ALPHA (new_type);
new_tiles = tile_manager_new (gimp_item_get_width (item),
gimp_item_get_height (item),
GIMP_IMAGE_TYPE_BYTES (new_type));
pixel_region_init (&layerPR, gimp_drawable_get_tiles (drawable),
0, 0,
gimp_item_get_width (item),
gimp_item_get_height (item),
FALSE);
pixel_region_init (&newPR, new_tiles,
0, 0,
gimp_item_get_width (item),
gimp_item_get_height (item),
TRUE);
gimp_layer_transform_color (dest_image,
&layerPR, gimp_drawable_type (drawable),
&newPR, new_type);
gimp_drawable_set_tiles (drawable, push_undo, NULL,
new_tiles, new_type);
tile_manager_unref (new_tiles);
}
}
}
static gint
gimp_layer_get_opacity_at (GimpPickable *pickable,
gint x,
@ -1754,7 +1695,13 @@ gimp_layer_create_mask (const GimpLayer *layer,
gimp_item_get_height (item),
GIMP_IMAGE_TYPE_BYTES (copy_type));
gimp_drawable_convert_tiles_grayscale (drawable, copy_tiles);
dest_buffer = gimp_tile_manager_create_buffer (copy_tiles, NULL,
TRUE);
gegl_buffer_copy (gimp_drawable_get_read_buffer (drawable), NULL,
dest_buffer, NULL);
g_object_unref (dest_buffer);
src_buffer = gimp_tile_manager_create_buffer (copy_tiles, NULL,
FALSE);