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Ignore invisible layers and channels in XCF files.

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This commit is contained in:
Dag-Erling Smørgrav 2002-05-02 02:08:55 +00:00
parent 45e22a5963
commit 8c80409e6e
Notes: svn2git 2021-03-31 03:12:20 +00:00 
svn path=/head/; revision=58440
1 changed files with 79 additions and 0 deletions
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79
graphics/sdl_image/files/patch-ad Normal file
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@ -0,0 +1,79 @@
--- IMG_xcf.c.orig Mon Apr 29 03:01:48 2002
+++ IMG_xcf.c Mon Apr 29 03:17:07 2002
@@ -166,6 +166,7 @@
Uint32 offset_x;
Uint32 offset_y;
+ int visible : 1;
} xcf_layer;
typedef struct {
@@ -179,6 +180,7 @@
Uint32 color;
Uint32 opacity;
int selection : 1;
+ int visible : 1;
} xcf_channel;
typedef struct {
@@ -245,7 +247,9 @@
prop->id = SDL_ReadBE32 (src);
prop->length = SDL_ReadBE32 (src);
+#if 0
printf ("%.8X: %s: %d\n", SDL_RWtell (src), prop->id < 25 ? prop_names [prop->id] : "unknown", prop->length);
+#endif
switch (prop->id) {
case PROP_COLORMAP:
@@ -265,6 +269,9 @@
case PROP_COLOR:
SDL_RWread (src, &prop->data, prop->length, 1);
break;
+ case PROP_VISIBLE:
+ prop->data.visible = SDL_ReadBE32 (src);
+ break;
default:
// SDL_RWread (src, &prop->data, prop->length, 1);
SDL_RWseek (src, prop->length, SEEK_CUR);
@@ -332,6 +339,8 @@
if (prop.id == PROP_OFFSETS) {
l->offset_x = prop.data.offset.x;
l->offset_y = prop.data.offset.y;
+ } else if (prop.id == PROP_VISIBLE) {
+ l->visible = prop.data.visible ? 1 : 0;
}
} while (prop.id != PROP_END);
@@ -371,6 +380,9 @@
case PROP_SELECTION:
l->selection = 1;
break;
+ case PROP_VISIBLE:
+ l->visible = prop.data.visible ? 1 : 0;
+ break;
default:
}
} while (prop.id != PROP_END);
@@ -724,9 +736,10 @@
rd.y = layer->offset_y;
rd.w = layer->width;
rd.h = layer->height;
- free_xcf_layer (layer);
- SDL_BlitSurface (lays, &rs, surface, &rd);
+ if (layer->visible)
+ SDL_BlitSurface (lays, &rs, surface, &rd);
+ free_xcf_layer (layer);
}
SDL_FreeSurface (lays);
@@ -756,7 +769,7 @@
}
for (i = 0; i < chnls; i++) {
// printf ("CNLBLT %i\n", i);
- if (!channel [i]->selection) {
+ if (!channel [i]->selection && channel [i]->visible) {
create_channel_surface (chs, head->image_type, channel [i]->color, channel [i]->opacity);
SDL_BlitSurface (chs, NULL, surface, NULL);
}