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Tags: upstream-1.99~20101122
Import upstream version 1.99~20101122

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ChangeLog.gfxtermwindow
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2009-11-14  Colin D Bennet <colin@gibibit.com>
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2009-11-14  Vladimir Serbinenko  <phcoder@gmail.com>
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        Support for gfxterm in a window.
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        * include/grub/gfxterm.h: New file.
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        * include/grub/video.h (struct grub_video_rect): New declaration.
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        (grub_video_rect_t): Likewise.
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        * term/gfxterm.c (struct grub_gfxterm_window): New type.
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        (refcount): New variable.
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        (render_target): Likewise.
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        (window): Likewise.
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        (repaint_callback): Likewise.
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        (grub_virtual_screen_setup): Use 'render_target'.
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        (init_window): New function.
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        (grub_gfxterm_init_window): Likewise.
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        (grub_gfxterm_init): Check reference counter.
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        Use init_window.
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        (destroy_window): New function.
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        (grub_gfxterm_destroy_window): Likewise.
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        (grub_gfxterm_fini): Check reference counter.
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        Use destroy_window.
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        (redraw_screen_rect): Restore viewport.
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        Use 'render_target' and 'window'.
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        Call 'repaint_callback'.
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        (write_char): Use 'render_target'.
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        (draw_cursor): Likewise.
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        (scroll_up): Restore viewport.
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        Use 'render_target' and 'window'.
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        Call 'repaint_callback'.
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        (grub_gfxterm_cls): Likewise.
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        (grub_gfxterm_refresh): Use 'window'.
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        (grub_gfxterm_set_repaint_callback): New function.
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        (grub_gfxterm_background_image_cmd): Use 'window'.
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        (grub_gfxterm_get_term): New function.
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        (GRUB_MOD_INIT(term_gfxterm)): Set 'refcount' to 0.