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Merge from 2.2

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This commit is contained in:
Matthias Clasen 2003-06-21 00:46:49 +00:00
parent 4c6bcae486
commit d77e5a3341
2 changed files with 45 additions and 24 deletions
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10
gdk-pixbuf/ChangeLog
View File

@ -1,3 +1,13 @@
2003-06-21 Matthias Clasen <maclas@gmx.de>
* io-gif.c: Merge from 2.2: Fix update_func() arguments and accept empty
frames. (#106962)
2003-06-17 Matthias Clasen <maclas@gmx.de>
* Makefile.am (man_MANS): Removed, man pages are now installed
from docs/reference/gdk-pixbuf.
2003-06-03 Matthias Clasen <maclas@gmx.de>
* gdk-pixdata.c (gdk_pixbuf_new_from_inline): Document

59
gdk-pixbuf/io-gif.c
View File

@ -63,7 +63,8 @@
#undef DUMP_IMAGE_DETAILS
#undef DUMP_IMAGE_DETAILS
#undef IO_GIFDEBUG
#define MAXCOLORMAPSIZE 256
#define MAX_LZW_BITS 12
@ -792,12 +793,31 @@ gif_get_lzw (GifContext *context)
context->frame->composited = NULL;
context->frame->revert = NULL;
context->frame->pixbuf =
gdk_pixbuf_new (GDK_COLORSPACE_RGB,
TRUE,
8,
context->frame_len,
context->frame_height);
if (context->frame_len == 0 || context->frame_height == 0) {
/* An empty frame, we just output a single transparent
* pixel at (0, 0).
*/
context->x_offset = 0;
context->y_offset = 0;
context->frame_len = 1;
context->frame_height = 1;
context->frame->pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, 1, 1);
if (context->frame->pixbuf) {
guchar *pixels;
pixels = gdk_pixbuf_get_pixels (context->frame->pixbuf);
pixels[0] = 0;
pixels[1] = 0;
pixels[2] = 0;
pixels[3] = 0;
}
} else
context->frame->pixbuf =
gdk_pixbuf_new (GDK_COLORSPACE_RGB,
TRUE,
8,
context->frame_len,
context->frame_height);
if (!context->frame->pixbuf) {
g_free (context->frame);
g_set_error (context->error,
@ -987,7 +1007,8 @@ gif_get_lzw (GifContext *context)
if (lower_bound <= upper_bound && first_pass == context->draw_pass) {
(* context->update_func)
(context->frame->pixbuf,
0, lower_bound,
context->frame->x_offset,
context->frame->y_offset + lower_bound,
gdk_pixbuf_get_width (context->frame->pixbuf),
upper_bound - lower_bound,
context->user_data);
@ -1011,9 +1032,9 @@ gif_get_lzw (GifContext *context)
(* context->update_func)
(context->frame->pixbuf,
context->frame->x_offset,
lower_bound + context->frame->y_offset,
context->frame->y_offset + lower_bound,
gdk_pixbuf_get_width (context->frame->pixbuf),
gdk_pixbuf_get_height (context->frame->pixbuf),
gdk_pixbuf_get_height (context->frame->pixbuf) - lower_bound,
context->user_data);
}
}
@ -1179,17 +1200,6 @@ gif_get_frame_info (GifContext *context)
context->x_offset = LM_to_uint (buf[0], buf[1]);
context->y_offset = LM_to_uint (buf[2], buf[3]);
if ((context->frame_height == 0) || (context->frame_len == 0)) {
context->state = GIF_DONE;
g_set_error (context->error,
GDK_PIXBUF_ERROR,
GDK_PIXBUF_ERROR_CORRUPT_IMAGE,
_("GIF image contained a frame with height or width 0."));
return -2;
}
if (((context->frame_height + context->y_offset) > context->height) ||
((context->frame_len + context->x_offset) > context->width)) {
/* All frames must fit in the image bounds */
@ -1219,13 +1229,14 @@ gif_get_frame_info (GifContext *context)
return -2;
}
context->frame_interlace = BitSet (buf[8], INTERLACE);
#ifdef DUMP_IMAGE_DETAILS
g_print (">width: %d height: %d xoffset: %d yoffset: %d disposal: %d delay: %d transparent: %d\n",
g_print (">width: %d height: %d xoffset: %d yoffset: %d disposal: %d delay: %d transparent: %d interlace: %d\n",
context->frame_len, context->frame_height, context->x_offset, context->y_offset,
context->gif89.disposal, context->gif89.delay_time, context->gif89.transparent);
context->gif89.disposal, context->gif89.delay_time, context->gif89.transparent, context->frame_interlace);
#endif
context->frame_interlace = BitSet (buf[8], INTERLACE);
if (BitSet (buf[8], LOCALCOLORMAP)) {
#ifdef DUMP_IMAGE_DETAILS