58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
/* SPDX-FileCopyrightText: 2023 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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#pragma once
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/** \file
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* \ingroup bli
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Plot a line from \a p1 to \a p2 (inclusive).
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*
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* \note For clipped line drawing, see: http://stackoverflow.com/a/40902741/432509
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*/
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void BLI_bitmap_draw_2d_line_v2v2i(const int p1[2],
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const int p2[2],
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bool (*callback)(int, int, void *),
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void *user_data);
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/**
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* \note Unclipped (clipped version can be added if needed).
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*/
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void BLI_bitmap_draw_2d_tri_v2i(const int p1[2],
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const int p2[2],
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const int p3[2],
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void (*callback)(int x, int x_end, int y, void *),
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void *user_data);
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/**
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* Draws a filled polygon with support for self intersections.
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*
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* \param callback: Takes the x, y coords and x-span (\a x_end is not inclusive),
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* note that \a x_end will always be greater than \a x, so we can use:
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*
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* \code{.c}
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* do {
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* func(x, y);
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* } while (++x != x_end);
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* \endcode
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*/
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void BLI_bitmap_draw_2d_poly_v2i_n(int xmin,
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int ymin,
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int xmax,
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int ymax,
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const int verts[][2],
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int verts_len,
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void (*callback)(int x, int x_end, int y, void *),
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void *user_data);
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#ifdef __cplusplus
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}
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#endif
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