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2000-10-18 Havoc Pennington <hp@redhat.com> * gtk/gtk-sections.txt: Some updates * gdk/gdk-sections.txt: remove GdkPixbufAlphaMode * gdk-pixbuf/gdk-pixbuf-sections.txt: Add new API, remove GdkPixbufClass/GdkAnimationClass since those are private * gdk-pixbuf/Makefile.am (IGNORE_HFILES): ignore more headers 2000-10-18 Havoc Pennington <hp@redhat.com> * gtk/gtktextiter.c (gtk_text_iter_forward_to_newline): Fix a bug where any number of empty lines would get skipped * gtk/gtktextiter.h: Remove padding from GtkTextIter; live on the edge. * gtk/gtktextiter.c (gtk_text_iter_make_surreal): enhance the warning about invalid iterators (explain more thoroughly) (gtk_text_iter_in_region): rename gtk_text_iter_in_range * gtk/gtktextview.c (FOCUS_EDGE_WIDTH): Make focus rectangle less big * demos/*.c: Add error handling * gtk/gtktextbuffer.c: don't modify const iterators * gtk/gdk-pixbuf-loader.c: Add full error handling here * gtk/gtkimage.c (gtk_image_set_from_file): ignore errors on file load * gtk/gtkiconfactory.c: Update to reflect addition of error handling to gdk-pixbuf loaders 2000-10-16 Havoc Pennington <hp@redhat.com> * gdk-pixbuf-io.c (gdk_pixbuf_get_module) (gdk_pixbuf_get_named_module) (gdk_pixbuf_load_module): add error reporting here also * make-inline-pixbuf.c (main): use GError * io-xpm.c: include unistd.h * gdk-pixbuf-util.c: include string.h * io-*.c: add error reporting * gdk-pixbuf-animation.c (gdk_pixbuf_animation_new_from_file): add error reporting * gdk-pixbuf-io.c (gdk_pixbuf_new_from_file): Add error reporting * gdk-pixbuf-io.h: Add GError** to load_increment and load methods * gdk-pixbuf-io.c (gdk_pixbuf_save) (gdk_pixbuf_savev): return a G_FILE_ERROR if we fail to write or close the file. * gdk-pixbuf.h: remove GDK_PIXBUF_ERROR_IO, instead we'll use G_FILE_ERROR_*. Rename enum to GdkPixbufError, properly following the GError naming rules. Add GError** to load functions.
165 lines
2.9 KiB
Plaintext
165 lines
2.9 KiB
Plaintext
<!-- ##### SECTION Title ##### -->
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Animations
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<!-- ##### SECTION Short_Description ##### -->
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Animations as multi-frame structures.
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<!-- ##### SECTION Long_Description ##### -->
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<para>
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The &gdk-pixbuf; library provides a simple mechanism to load and
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represent animations, primarily animated GIF files. Animations
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are represented as lists of #GdkPixbufFrame structures. Each
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frame structure contains a #GdkPixbuf structure and information
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about the frame's overlay mode and duration.
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</para>
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<!-- ##### SECTION See_Also ##### -->
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<para>
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#GdkPixbufLoader
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</para>
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<!-- ##### ENUM GdkPixbufFrameAction ##### -->
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<para>
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Each animation frame can have several things happen to it when the
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next frame is displayed. The #GdkPixbufFrameAction determines
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this. These are essentially the overlay modes supported by GIF
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animations.
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</para>
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@GDK_PIXBUF_FRAME_RETAIN: The previous image should remain displayed,
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and will potentially be occluded by the new frame.
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@GDK_PIXBUF_FRAME_DISPOSE: The animation will be reverted to the state
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before the frame was shown.
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@GDK_PIXBUF_FRAME_REVERT: The animation will be reverted to the first
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frame.
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<!-- ##### STRUCT GdkPixbufFrame ##### -->
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<para>
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This structure describes a frame in a #GdkPixbufAnimation. Each
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frame consists of a #GdkPixbuf, an offset of the frame within the
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animation's bounding box, a duration, and an overlay mode or
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action.
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</para>
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<!-- ##### STRUCT GdkPixbufAnimation ##### -->
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<para>
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This structure describes an animation, which is represented as a
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list of #GdkPixbufFrame structures.
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</para>
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<!-- ##### FUNCTION gdk_pixbuf_animation_new_from_file ##### -->
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<para>
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</para>
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@filename:
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@error:
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@Returns:
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<!-- ##### FUNCTION gdk_pixbuf_animation_ref ##### -->
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<para>
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</para>
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@animation:
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@Returns:
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<!-- ##### FUNCTION gdk_pixbuf_animation_unref ##### -->
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<para>
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</para>
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@animation:
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<!-- ##### FUNCTION gdk_pixbuf_animation_get_frames ##### -->
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<para>
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</para>
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@animation:
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@Returns:
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<!-- ##### FUNCTION gdk_pixbuf_animation_get_width ##### -->
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<para>
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</para>
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@animation:
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@Returns:
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<!-- ##### FUNCTION gdk_pixbuf_animation_get_num_frames ##### -->
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<para>
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</para>
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@animation:
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@Returns:
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<!-- ##### FUNCTION gdk_pixbuf_animation_get_height ##### -->
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<para>
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</para>
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@animation:
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@Returns:
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<!-- ##### FUNCTION gdk_pixbuf_frame_get_pixbuf ##### -->
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<para>
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</para>
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@frame:
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@Returns:
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<!-- ##### FUNCTION gdk_pixbuf_frame_get_action ##### -->
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<para>
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</para>
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@frame:
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@Returns:
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<!-- ##### FUNCTION gdk_pixbuf_frame_get_y_offset ##### -->
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<para>
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</para>
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@frame:
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@Returns:
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<!-- ##### FUNCTION gdk_pixbuf_frame_get_delay_time ##### -->
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<para>
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</para>
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@frame:
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@Returns:
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<!-- ##### FUNCTION gdk_pixbuf_frame_get_x_offset ##### -->
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<para>
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</para>
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@frame:
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@Returns: <!--
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Local variables:
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mode: sgml
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sgml-parent-document: ("../gdk-pixbuf.sgml" "book" "refsect2" "")
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End:
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-->
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