forked from AuroraMiddleware/gtk
Fix some bugs, and introduce a minor feature.
2002-04-04 Tor Lillqvist <tml@iki.fi> * gdk/gdkrgb.c: Fix some bugs, and introduce a minor feature. (gdk_rgb_convert_4_pack): New function, for 16-color (4 bits per pixel) static visuals (fixes #858). (gdk_rgb_convert_gray4_pack, gdk_rgb_convert_gray4_d_pack): Fix same bugs in both functions: Odd start coordinate (partial byte) was not handled correctly. Also a partial final byte was not handled correctly. (gdk_rgb_do_colormaps): Use G_N_ELEMENTS. (gdk_rgb_create_info): For pseudocolor visuals, use the 2x2x2 colorcube only for depths 3 and 4. For static color, use it for depths 3..7 like before. (Depth 5..7 pseudocolor probably never occurs on X11. It doesn't normally occur on Win32 either, but there is experimental code in gdkvisual-win32.c to let the user restrict the size of palette used.) (gdk_rgb_init): Set gdk_rgb_verbose if the GDK_DEBUG_GDKRGB flag is set. (gdk_rgb_select_conv): Use gdk_rgb_convert_8 also for depths 5, 6 and 7 (see above). Use gdk_rgb_convert_4_pack for 4 bits per pixel static color.
This commit is contained in:
Tor Lillqvist
Tor Lillqvist
parent
b7333010d0
commit
abda40ede4
25
ChangeLog
25
ChangeLog
@ -1,3 +1,28 @@
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2002-04-04 Tor Lillqvist <tml@iki.fi>
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* gdk/gdkrgb.c: Fix some bugs, and introduce a minor feature.
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(gdk_rgb_convert_4_pack): New function, for 16-color (4 bits per
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pixel) static visuals (fixes #858).
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(gdk_rgb_convert_gray4_pack, gdk_rgb_convert_gray4_d_pack): Fix
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same bugs in both functions: Odd start coordinate (partial byte)
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was not handled correctly. Also a partial final byte was not
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handled correctly.
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(gdk_rgb_do_colormaps): Use G_N_ELEMENTS.
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(gdk_rgb_create_info): For pseudocolor visuals, use the 2x2x2
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colorcube only for depths 3 and 4. For static color, use it for
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depths 3..7 like before. (Depth 5..7 pseudocolor probably never
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occurs on X11. It doesn't normally occur on Win32 either, but
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there is experimental code in gdkvisual-win32.c to let the user
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restrict the size of palette used.)
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(gdk_rgb_init): Set gdk_rgb_verbose if the GDK_DEBUG_GDKRGB flag
|
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is set.
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(gdk_rgb_select_conv): Use gdk_rgb_convert_8 also for depths 5, 6
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and 7 (see above). Use gdk_rgb_convert_4_pack for 4 bits per pixel
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static color.
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Tue Apr 2 11:10:13 2002 Jonathan Blandford <jrb@redhat.com>
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* gtk/gtkliststore.c (gtk_list_store_set_sort_func): set the
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sort_func correctly, 77030
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@ -1,3 +1,28 @@
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2002-04-04 Tor Lillqvist <tml@iki.fi>
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* gdk/gdkrgb.c: Fix some bugs, and introduce a minor feature.
|
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|
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(gdk_rgb_convert_4_pack): New function, for 16-color (4 bits per
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pixel) static visuals (fixes #858).
|
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|
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(gdk_rgb_convert_gray4_pack, gdk_rgb_convert_gray4_d_pack): Fix
|
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same bugs in both functions: Odd start coordinate (partial byte)
|
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was not handled correctly. Also a partial final byte was not
|
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handled correctly.
|
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(gdk_rgb_do_colormaps): Use G_N_ELEMENTS.
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(gdk_rgb_create_info): For pseudocolor visuals, use the 2x2x2
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colorcube only for depths 3 and 4. For static color, use it for
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depths 3..7 like before. (Depth 5..7 pseudocolor probably never
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occurs on X11. It doesn't normally occur on Win32 either, but
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there is experimental code in gdkvisual-win32.c to let the user
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restrict the size of palette used.)
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(gdk_rgb_init): Set gdk_rgb_verbose if the GDK_DEBUG_GDKRGB flag
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is set.
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(gdk_rgb_select_conv): Use gdk_rgb_convert_8 also for depths 5, 6
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and 7 (see above). Use gdk_rgb_convert_4_pack for 4 bits per pixel
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static color.
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Tue Apr 2 11:10:13 2002 Jonathan Blandford <jrb@redhat.com>
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* gtk/gtkliststore.c (gtk_list_store_set_sort_func): set the
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sort_func correctly, 77030
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@ -1,3 +1,28 @@
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2002-04-04 Tor Lillqvist <tml@iki.fi>
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* gdk/gdkrgb.c: Fix some bugs, and introduce a minor feature.
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(gdk_rgb_convert_4_pack): New function, for 16-color (4 bits per
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pixel) static visuals (fixes #858).
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|
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(gdk_rgb_convert_gray4_pack, gdk_rgb_convert_gray4_d_pack): Fix
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same bugs in both functions: Odd start coordinate (partial byte)
|
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was not handled correctly. Also a partial final byte was not
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handled correctly.
|
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(gdk_rgb_do_colormaps): Use G_N_ELEMENTS.
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(gdk_rgb_create_info): For pseudocolor visuals, use the 2x2x2
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colorcube only for depths 3 and 4. For static color, use it for
|
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depths 3..7 like before. (Depth 5..7 pseudocolor probably never
|
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occurs on X11. It doesn't normally occur on Win32 either, but
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there is experimental code in gdkvisual-win32.c to let the user
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restrict the size of palette used.)
|
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(gdk_rgb_init): Set gdk_rgb_verbose if the GDK_DEBUG_GDKRGB flag
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is set.
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(gdk_rgb_select_conv): Use gdk_rgb_convert_8 also for depths 5, 6
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and 7 (see above). Use gdk_rgb_convert_4_pack for 4 bits per pixel
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static color.
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Tue Apr 2 11:10:13 2002 Jonathan Blandford <jrb@redhat.com>
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* gtk/gtkliststore.c (gtk_list_store_set_sort_func): set the
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sort_func correctly, 77030
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@ -1,3 +1,28 @@
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2002-04-04 Tor Lillqvist <tml@iki.fi>
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* gdk/gdkrgb.c: Fix some bugs, and introduce a minor feature.
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(gdk_rgb_convert_4_pack): New function, for 16-color (4 bits per
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pixel) static visuals (fixes #858).
|
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|
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(gdk_rgb_convert_gray4_pack, gdk_rgb_convert_gray4_d_pack): Fix
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same bugs in both functions: Odd start coordinate (partial byte)
|
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was not handled correctly. Also a partial final byte was not
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handled correctly.
|
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|
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(gdk_rgb_do_colormaps): Use G_N_ELEMENTS.
|
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(gdk_rgb_create_info): For pseudocolor visuals, use the 2x2x2
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colorcube only for depths 3 and 4. For static color, use it for
|
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depths 3..7 like before. (Depth 5..7 pseudocolor probably never
|
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occurs on X11. It doesn't normally occur on Win32 either, but
|
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there is experimental code in gdkvisual-win32.c to let the user
|
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restrict the size of palette used.)
|
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(gdk_rgb_init): Set gdk_rgb_verbose if the GDK_DEBUG_GDKRGB flag
|
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is set.
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(gdk_rgb_select_conv): Use gdk_rgb_convert_8 also for depths 5, 6
|
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and 7 (see above). Use gdk_rgb_convert_4_pack for 4 bits per pixel
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static color.
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Tue Apr 2 11:10:13 2002 Jonathan Blandford <jrb@redhat.com>
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* gtk/gtkliststore.c (gtk_list_store_set_sort_func): set the
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sort_func correctly, 77030
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@ -1,3 +1,28 @@
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2002-04-04 Tor Lillqvist <tml@iki.fi>
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* gdk/gdkrgb.c: Fix some bugs, and introduce a minor feature.
|
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|
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(gdk_rgb_convert_4_pack): New function, for 16-color (4 bits per
|
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pixel) static visuals (fixes #858).
|
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|
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(gdk_rgb_convert_gray4_pack, gdk_rgb_convert_gray4_d_pack): Fix
|
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same bugs in both functions: Odd start coordinate (partial byte)
|
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was not handled correctly. Also a partial final byte was not
|
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handled correctly.
|
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|
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(gdk_rgb_do_colormaps): Use G_N_ELEMENTS.
|
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(gdk_rgb_create_info): For pseudocolor visuals, use the 2x2x2
|
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colorcube only for depths 3 and 4. For static color, use it for
|
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depths 3..7 like before. (Depth 5..7 pseudocolor probably never
|
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occurs on X11. It doesn't normally occur on Win32 either, but
|
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there is experimental code in gdkvisual-win32.c to let the user
|
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restrict the size of palette used.)
|
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(gdk_rgb_init): Set gdk_rgb_verbose if the GDK_DEBUG_GDKRGB flag
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is set.
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(gdk_rgb_select_conv): Use gdk_rgb_convert_8 also for depths 5, 6
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and 7 (see above). Use gdk_rgb_convert_4_pack for 4 bits per pixel
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static color.
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Tue Apr 2 11:10:13 2002 Jonathan Blandford <jrb@redhat.com>
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* gtk/gtkliststore.c (gtk_list_store_set_sort_func): set the
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sort_func correctly, 77030
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@ -1,3 +1,28 @@
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2002-04-04 Tor Lillqvist <tml@iki.fi>
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* gdk/gdkrgb.c: Fix some bugs, and introduce a minor feature.
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(gdk_rgb_convert_4_pack): New function, for 16-color (4 bits per
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pixel) static visuals (fixes #858).
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(gdk_rgb_convert_gray4_pack, gdk_rgb_convert_gray4_d_pack): Fix
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same bugs in both functions: Odd start coordinate (partial byte)
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was not handled correctly. Also a partial final byte was not
|
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handled correctly.
|
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|
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(gdk_rgb_do_colormaps): Use G_N_ELEMENTS.
|
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(gdk_rgb_create_info): For pseudocolor visuals, use the 2x2x2
|
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colorcube only for depths 3 and 4. For static color, use it for
|
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depths 3..7 like before. (Depth 5..7 pseudocolor probably never
|
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occurs on X11. It doesn't normally occur on Win32 either, but
|
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there is experimental code in gdkvisual-win32.c to let the user
|
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restrict the size of palette used.)
|
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(gdk_rgb_init): Set gdk_rgb_verbose if the GDK_DEBUG_GDKRGB flag
|
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is set.
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(gdk_rgb_select_conv): Use gdk_rgb_convert_8 also for depths 5, 6
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and 7 (see above). Use gdk_rgb_convert_4_pack for 4 bits per pixel
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static color.
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Tue Apr 2 11:10:13 2002 Jonathan Blandford <jrb@redhat.com>
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* gtk/gtkliststore.c (gtk_list_store_set_sort_func): set the
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sort_func correctly, 77030
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192
gdk/gdkrgb.c
192
gdk/gdkrgb.c
@ -339,7 +339,7 @@ gdk_rgb_do_colormaps (GdkRgbInfo *image_info, gboolean force)
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{ 3, 3, 3 },
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{ 2, 2, 2 }
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};
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static const gint n_sizes = sizeof(sizes) / (3 * sizeof(gint));
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static const gint n_sizes = G_N_ELEMENTS (sizes);
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gint i;
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/* Try the possible sizes. If the force parameter is set to TRUE
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@ -611,10 +611,26 @@ gdk_rgb_create_info (GdkVisual *visual, GdkColormap *colormap)
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image_info->cmap = colormap;
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if ((image_info->visual->type == GDK_VISUAL_PSEUDO_COLOR ||
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image_info->visual->type == GDK_VISUAL_STATIC_COLOR) &&
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image_info->visual->depth < 8 &&
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image_info->visual->depth >= 3)
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/* We used to use the 2x2x2 color cube for pseudo-color with depths
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* 5, 6, 7 as well but now only use it for depths (3 and) 4 in
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* pseudo-color. The reason for this is that on Win32 we let the
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* user restrict the color allocation for PSEUDO_COLOR visuals
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* (i.e., 256-color mode) and we probably want to do the full
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* gdk_rgb_do_colormaps() if we are doing that. (Though the color
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* sharing code won't really be right.)
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*
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* (The actual usefulness of this user-requested restriction remains
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* to be seen, but the code is there in gdkvisual-win32.c. The
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* thought is that it might occasionally be useful to restrict the
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* palette size in a GTK application in order to reduce color
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* flashing.)
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*/
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if ((image_info->visual->type == GDK_VISUAL_PSEUDO_COLOR &&
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image_info->visual->depth <= 4 &&
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image_info->visual->depth >= 3) ||
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(image_info->visual->type == GDK_VISUAL_STATIC_COLOR &&
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image_info->visual->depth < 8 &&
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image_info->visual->depth >= 3))
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{
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if (!image_info->cmap)
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image_info->cmap = gdk_colormap_ref (gdk_colormap_get_system ());
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@ -691,6 +707,9 @@ gdk_rgb_init (void)
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{
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static const gint byte_order[1] = { 1 };
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if (_gdk_debug_flags & GDK_DEBUG_GDKRGB)
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gdk_rgb_verbose = TRUE;
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/* check endian sanity */
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#if G_BYTE_ORDER == G_BIG_ENDIAN
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if (((char *)byte_order)[0] == 1)
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@ -2321,6 +2340,79 @@ gdk_rgb_convert_4 (GdkRgbInfo *image_info, GdkImage *image,
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}
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}
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static void
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gdk_rgb_convert_4_pack (GdkRgbInfo *image_info, GdkImage *image,
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gint x0, gint y0, gint width, gint height,
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guchar *buf, int rowstride,
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gint x_align, gint y_align,
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GdkRgbCmap *cmap)
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{
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int x, y, ix;
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gint bpl;
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guchar *obuf, *obptr;
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guchar *bptr, *bp2;
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gint r, g, b;
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const guchar *dmp;
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gint dith;
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guchar *colorcube_d = image_info->colorcube_d;
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guchar pix0, pix1;
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bptr = buf;
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bpl = image->bpl;
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obuf = ((guchar *)image->mem) + y0 * bpl + (x0 >> 1);
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for (y = 0; y < height; y++)
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{
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dmp = DM[(y_align + y) & (DM_HEIGHT - 1)];
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bp2 = bptr;
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obptr = obuf;
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x = 0;
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if (x0 & 1)
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{
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r = *bp2++;
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g = *bp2++;
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b = *bp2++;
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dith = (dmp[(x_align + x + 1) & (DM_WIDTH - 1)] << 2) | 3;
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ix = (((r + dith) & 0x100) >> 2) |
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(((g + 258 - dith) & 0x100) >> 5) |
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(((b + dith) & 0x100) >> 8);
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pix1 = (colorcube_d[ix]);
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*obptr = (*obptr & 0xF0) | pix1;
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obptr++;
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x++;
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}
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while (x < width)
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{
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r = *bp2++;
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g = *bp2++;
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b = *bp2++;
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dith = (dmp[(x_align + x) & (DM_WIDTH - 1)] << 2) | 3;
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ix = (((r + dith) & 0x100) >> 2) |
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(((g + 258 - dith) & 0x100) >> 5) |
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(((b + dith) & 0x100) >> 8);
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pix0 = (colorcube_d[ix]);
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x++;
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if (x == width)
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pix1 = (*obptr & 0x0F);
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else
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{
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r = *bp2++;
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g = *bp2++;
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b = *bp2++;
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dith = (dmp[(x_align + x + 1) & (DM_WIDTH - 1)] << 2) | 3;
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ix = (((r + dith) & 0x100) >> 2) |
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(((g + 258 - dith) & 0x100) >> 5) |
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(((b + dith) & 0x100) >> 8);
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pix1 = (colorcube_d[ix]);
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x++;
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}
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*obptr++ = (pix0 << 4) | pix1;
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}
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bptr += rowstride;
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obuf += bpl;
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}
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}
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/* This actually works for depths from 3 to 7 */
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static void
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gdk_rgb_convert_gray4 (GdkRgbInfo *image_info, GdkImage *image,
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@ -2379,26 +2471,36 @@ gdk_rgb_convert_gray4_pack (GdkRgbInfo *image_info, GdkImage *image,
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{
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bp2 = bptr;
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obptr = obuf;
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for (x = 0; x < width; x += 2)
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x = 0;
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if (x0 & 1)
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{
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r = *bp2++;
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g = *bp2++;
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b = *bp2++;
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pix0 = (g + ((b + r) >> 1)) >> shift;
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r = *bp2++;
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g = *bp2++;
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b = *bp2++;
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pix1 = (g + ((b + r) >> 1)) >> shift;
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obptr[0] = (pix0 << 4) | pix1;
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*obptr = (*obptr & 0xF0) | pix1;
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obptr++;
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x++;
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}
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if (width & 1)
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while (x < width)
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{
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r = *bp2++;
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g = *bp2++;
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b = *bp2++;
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pix0 = (g + ((b + r) >> 1)) >> shift;
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obptr[0] = (pix0 << 4);
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x++;
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if (x == width)
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pix1 = (*obptr & 0x0F);
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else
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{
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r = *bp2++;
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g = *bp2++;
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b = *bp2++;
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pix1 = (g + ((b + r) >> 1)) >> shift;
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x++;
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}
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*obptr++ = (pix0 << 4) | pix1;
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}
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bptr += rowstride;
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obuf += bpl;
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@ -2473,7 +2575,21 @@ gdk_rgb_convert_gray4_d_pack (GdkRgbInfo *image_info, GdkImage *image,
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bp2 = bptr;
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obptr = obuf;
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dmp = DM[(y_align + y) & (DM_HEIGHT - 1)];
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for (x = 0; x < width; x += 2)
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x = 0;
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if (x0 & 1)
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{
|
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r = *bp2++;
|
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g = *bp2++;
|
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b = *bp2++;
|
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gray = (g + ((b + r) >> 1)) >> 1;
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gray += (dmp[(x_align + x + 1) & (DM_WIDTH - 1)] << 2) >> prec;
|
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pix1 = (gray - (gray >> prec)) >> right;
|
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*obptr = (*obptr & 0xF0) | pix1;
|
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obptr++;
|
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x++;
|
||||
}
|
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while (x < width)
|
||||
{
|
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r = *bp2++;
|
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g = *bp2++;
|
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@ -2481,24 +2597,20 @@ gdk_rgb_convert_gray4_d_pack (GdkRgbInfo *image_info, GdkImage *image,
|
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gray = (g + ((b + r) >> 1)) >> 1;
|
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gray += (dmp[(x_align + x) & (DM_WIDTH - 1)] << 2) >> prec;
|
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pix0 = (gray - (gray >> prec)) >> right;
|
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r = *bp2++;
|
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g = *bp2++;
|
||||
b = *bp2++;
|
||||
gray = (g + ((b + r) >> 1)) >> 1;
|
||||
gray += (dmp[(x_align + x + 1) & (DM_WIDTH - 1)] << 2) >> prec;
|
||||
pix1 = (gray - (gray >> prec)) >> right;
|
||||
obptr[0] = (pix0 << 4) | pix1;
|
||||
obptr++;
|
||||
}
|
||||
if (width & 1)
|
||||
{
|
||||
r = *bp2++;
|
||||
g = *bp2++;
|
||||
b = *bp2++;
|
||||
gray = (g + ((b + r) >> 1)) >> 1;
|
||||
gray += (dmp[(x_align + x + 1) & (DM_WIDTH - 1)] << 2) >> prec;
|
||||
pix0 = (gray - (gray >> prec)) >> right;
|
||||
obptr[0] = (pix0 << 4);
|
||||
x++;
|
||||
if (x == width)
|
||||
pix1 = (*obptr & 0x0F);
|
||||
else
|
||||
{
|
||||
r = *bp2++;
|
||||
g = *bp2++;
|
||||
b = *bp2++;
|
||||
gray = (g + ((b + r) >> 1)) >> 1;
|
||||
gray += (dmp[(x_align + x + 1) & (DM_WIDTH - 1)] << 2) >> prec;
|
||||
pix1 = (gray - (gray >> prec)) >> right;
|
||||
x++;
|
||||
}
|
||||
*obptr++ = (pix0 << 4) | pix1;
|
||||
}
|
||||
bptr += rowstride;
|
||||
obuf += bpl;
|
||||
@ -2877,12 +2989,19 @@ gdk_rgb_select_conv (GdkRgbInfo *image_info)
|
||||
conv = gdk_rgb_convert_truecolor_msb;
|
||||
conv_d = gdk_rgb_convert_truecolor_msb_d;
|
||||
}
|
||||
else if (bpp == 8 && depth == 8 && (vtype == GDK_VISUAL_PSEUDO_COLOR
|
||||
else if (bpp == 8 &&
|
||||
depth <= 8 &&
|
||||
(vtype == GDK_VISUAL_PSEUDO_COLOR
|
||||
#ifdef ENABLE_GRAYSCALE
|
||||
|| vtype == GDK_VISUAL_GRAYSCALE
|
||||
|| vtype == GDK_VISUAL_GRAYSCALE
|
||||
#endif
|
||||
))
|
||||
))
|
||||
{
|
||||
/* Mainly for Win32: use these conversion functions also for the
|
||||
* explicitly (on user request) restricted palette versions of
|
||||
* 256-color, i.e. depths 5, 6 and 7. On X11, such depths
|
||||
* probably never occur.
|
||||
*/
|
||||
image_info->dith_default = TRUE;
|
||||
conv = gdk_rgb_convert_8;
|
||||
if (vtype != GDK_VISUAL_GRAYSCALE)
|
||||
@ -2924,6 +3043,9 @@ gdk_rgb_select_conv (GdkRgbInfo *image_info)
|
||||
conv = gdk_rgb_convert_gray4_pack;
|
||||
conv_d = gdk_rgb_convert_gray4_d_pack;
|
||||
}
|
||||
else if (bpp == 4 && depth == 4 &&
|
||||
vtype == GDK_VISUAL_STATIC_COLOR)
|
||||
conv = gdk_rgb_convert_4_pack;
|
||||
|
||||
if (!conv)
|
||||
{
|
||||
|
||||
Loading…
Reference in New Issue
Block a user