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program diff_render_demo |
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use fgof_screen, only : allocate_screen, diff_screen, put_glyph, render_screen_diff_ansi, set_cursor |
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use fgof_screen_types, only : screen_buffer, screen_diff |
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implicit none |
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type(screen_buffer) :: previous |
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type(screen_buffer) :: current |
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type(screen_diff) :: diff |
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character(len=:), allocatable :: rendered |
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previous = allocate_screen(3, 1) |
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call put_glyph(previous, 1, 1, "A") |
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call put_glyph(previous, 1, 2, "B") |
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call put_glyph(previous, 1, 3, "C") |
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current = previous |
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call put_glyph(current, 1, 2, "X") |
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call set_cursor(current, 1, 2) |
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diff = diff_screen(previous, current) |
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rendered = render_screen_diff_ansi(previous, current) |
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write(*, "(a, i0)") "damage-cells=", diff%damage%changed_cells |
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write(*, "(a, i0)") "diff-bytes=", len(rendered) |
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end program diff_render_demo |
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