mirror of https://github.com/nmlgc/ReC98.git
64 lines
1.9 KiB
C
64 lines
1.9 KiB
C
/// Pages
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/// -----
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// Also updates [page_back].
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void graph_showpage_func(page_t page);
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void graph_accesspage_func(int page);
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/// -----
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/// GRCG
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/// ----
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void grcg_setcolor_rmw(int col);
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void grcg_setcolor_tdw(int col);
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void grcg_off_func(void);
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#undef grcg_off
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#define grcg_off grcg_off_func
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void z_grcg_boxfill(int left, int top, int right, int bottom, int col);
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/// ----
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/// Restorable line drawing
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/// -----------------------
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// Draws straight horizontal or vertical lines.
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void graph_r_hline(int left, int right, int y, int col);
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void graph_r_vline(int x, int top, int bottom, int col);
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// Draws a line with an arbitrary angle between the two points.
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void graph_r_line(int left, int top, int right, int bottom, int col);
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// Draws a line with an arbitrary angle and an arbitrary 16-pixel pattern
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// between the two points.
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void graph_r_line_patterned(
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int left, int top, int right, int bottom, int col, planar16_t pattern
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);
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// Recovers the pixels on the given arbitrary-angle line from page 1.
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void graph_r_line_from_1(int left, int top, int right, int bottom);
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// Draws the outline of a rectangle.
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void graph_r_box(int left, int top, int right, int bottom, int col);
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/// -----------------------
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/// Blitting
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/// --------
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// Copies the given rectangle from
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// (⌊left/8⌋*8, top)
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// to
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// (⌊left/8⌋*8 + ⌊(right-left)/8⌋*8, bottom)
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// on the current back page to the same position on the current front page.
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void graph_copy_byterect_back_to_front(
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int left, int top, int right, int bottom
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);
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// Moves the given source rectangle from
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// (⌊left/8⌋*8, top)
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// to
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// (⌊left/8⌋*8 + ⌊(right-left)/8⌋*8, bottom)
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// on the [src] page to the given position
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// in the [dst] page. Already assumes [src] to be the currently accessed page.
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void graph_move_byterect_interpage(
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int src_left, int src_top, int src_right, int src_bottom,
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int dst_left, int dst_top,
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page_t src, page_t dst
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);
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/// --------
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