465 lines
18 KiB
C
465 lines
18 KiB
C
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/* BSD 3-Clause License
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*
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* Copyright © 2008-2022, Jice and the libtcod contributors.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TCOD_CONSOLE_H_
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#define TCOD_CONSOLE_H_
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#include <stdbool.h>
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#ifdef __cplusplus
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#include <algorithm>
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#include <array>
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#include <memory>
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#include <optional>
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#include <stdexcept>
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#include <utility>
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#include "error.hpp"
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#endif // __cplusplus
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#include "color.h"
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#include "config.h"
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#include "error.h"
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#include "tileset.h"
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/**
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* \enum TCOD_bkgnd_flag_t
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*
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* Background color blend modes.
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*/
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typedef enum {
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TCOD_BKGND_NONE,
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TCOD_BKGND_SET,
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TCOD_BKGND_MULTIPLY,
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TCOD_BKGND_LIGHTEN,
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TCOD_BKGND_DARKEN,
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TCOD_BKGND_SCREEN,
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TCOD_BKGND_COLOR_DODGE,
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TCOD_BKGND_COLOR_BURN,
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TCOD_BKGND_ADD,
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TCOD_BKGND_ADDA,
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TCOD_BKGND_BURN,
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TCOD_BKGND_OVERLAY,
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TCOD_BKGND_ALPH,
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TCOD_BKGND_DEFAULT
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} TCOD_bkgnd_flag_t;
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/**
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* \enum TCOD_alignment_t
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*
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* Print justification options.
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*/
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typedef enum { TCOD_LEFT, TCOD_RIGHT, TCOD_CENTER } TCOD_alignment_t;
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/***************************************************************************
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@brief The raw data for a single TCOD_Console tile.
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\rst
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.. versionadded:: 1.19
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\endrst
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*/
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typedef struct TCOD_ConsoleTile {
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#ifdef __cplusplus
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bool operator==(const TCOD_ConsoleTile& rhs) const noexcept { return ch == rhs.ch && fg == rhs.fg && bg == rhs.bg; }
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bool operator!=(const TCOD_ConsoleTile& rhs) const noexcept { return !(*this == rhs); }
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#endif // __cplusplus
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/***************************************************************************
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@brief The Unicode codepoint for this tile.
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*/
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int ch;
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/***************************************************************************
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@brief The tile glyph color, rendered on top of the background.
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*/
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TCOD_ColorRGBA fg;
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/***************************************************************************
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@brief The tile background color, rendered behind the glyph.
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*/
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TCOD_ColorRGBA bg;
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} TCOD_ConsoleTile;
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/***************************************************************************
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@brief A libtcod console containing a grid of tiles with `{ch, fg, bg}` information.
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@details In C++ this struct has several convience methods to make working with consoles easier.
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Note that all tile references are to TCOD_ConsoleTile structs and will include an alpha channel.
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For C++ code examples see `tcod::Console`.
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\rst
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.. versionadded:: 1.19
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\endrst
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*/
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struct TCOD_Console {
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#ifdef __cplusplus
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/***************************************************************************
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@brief Return a pointer to the beginning of this consoles tile data.
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*/
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[[nodiscard]] auto begin() noexcept -> TCOD_ConsoleTile* { return tiles; }
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/***************************************************************************
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@brief Return a const pointer to the beginning of this consoles tile data.
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*/
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[[nodiscard]] auto begin() const noexcept -> const TCOD_ConsoleTile* { return tiles; }
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/***************************************************************************
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@brief Return a pointer to the end of this consoles tile data.
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*/
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[[nodiscard]] auto end() noexcept -> TCOD_ConsoleTile* { return tiles + elements; }
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/***************************************************************************
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@brief Return a const pointer to the end of this consoles tile data.
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*/
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[[nodiscard]] auto end() const noexcept -> const TCOD_ConsoleTile* { return tiles + elements; }
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/***************************************************************************
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@brief Clear a console by setting all tiles to the provided TCOD_ConsoleTile object.
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@param tile A TCOD_ConsoleTile reference which will be used to clear the console.
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*/
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void clear(const TCOD_ConsoleTile& tile = {0x20, {255, 255, 255, 255}, {0, 0, 0, 255}}) noexcept {
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for (auto& it : *this) it = tile;
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}
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/***************************************************************************
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@brief Return a reference to the tile at `xy`.
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*/
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[[nodiscard]] auto operator[](const std::array<int, 2>& xy) noexcept -> TCOD_ConsoleTile& {
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return tiles[get_index(xy)];
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}
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/***************************************************************************
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@brief Return a constant reference to the tile at `xy`.
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*/
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[[nodiscard]] auto operator[](const std::array<int, 2>& xy) const noexcept -> const TCOD_ConsoleTile& {
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return tiles[get_index(xy)];
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}
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/***************************************************************************
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@brief Return a reference to the tile at `xy`.
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@throws std::out_of_range if the index is out-of-bounds
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*/
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[[nodiscard]] auto at(const std::array<int, 2>& xy) -> TCOD_ConsoleTile& { return tiles[bounds_check(xy)]; }
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/***************************************************************************
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@brief Return a constant reference to the tile at `xy`.
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@throws std::out_of_range if the index is out-of-bounds
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*/
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[[nodiscard]] auto at(const std::array<int, 2>& xy) const -> const TCOD_ConsoleTile& {
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return tiles[bounds_check(xy)];
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}
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/***************************************************************************
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@brief Return a reference to the tile at `x`,`y`.
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@throws std::out_of_range if the index is out-of-bounds
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*/
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[[nodiscard]] auto at(int x, int y) -> TCOD_ConsoleTile& { return at({x, y}); }
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/***************************************************************************
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@brief Return a constant reference to the tile at `x`,`y`.
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@throws std::out_of_range if the index is out-of-bounds
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*/
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[[nodiscard]] auto at(int x, int y) const -> const TCOD_ConsoleTile& { return at({x, y}); }
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/***************************************************************************
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@brief Convert `xy` into a 1-dimensional index. Out-of-bounds indexes are undefined.
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@details This index is normally used to index the tiles attribute.
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*/
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[[nodiscard]] int get_index(const std::array<int, 2>& xy) const noexcept { return w * xy[1] + xy[0]; }
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/***************************************************************************
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@brief Return true if `xy` are within the bounds of this console.
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*/
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[[nodiscard]] bool in_bounds(const std::array<int, 2>& xy) const noexcept {
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return 0 <= xy[0] && xy[0] < w && 0 <= xy[1] && xy[1] < h;
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}
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private:
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/***************************************************************************
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@brief Checks if `xy` is in bounds then return an in-bounds index.
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@throws std::out_of_range if `xy` is out-of-bounds
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*/
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int bounds_check(const std::array<int, 2>& xy) const {
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if (!in_bounds(xy)) {
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throw std::out_of_range(
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std::string("Out of bounds lookup {") + std::to_string(xy[0]) + ", " + std::to_string(xy[1]) +
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"} on console of shape {" + std::to_string(w) + ", " + std::to_string(h) + "}.");
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}
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return get_index(xy);
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}
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public:
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#endif // __cplusplus
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/** Console width and height in tiles. */
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int w, h;
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/** A contiguous array of console tiles. */
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TCOD_ConsoleTile* __restrict tiles;
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/** Default background operator for print & print_rect functions. */
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TCOD_bkgnd_flag_t bkgnd_flag;
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/** Default alignment for print & print_rect functions. */
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TCOD_alignment_t alignment;
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/** Foreground (text) and background colors. */
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TCOD_color_t fore, back;
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/** True if a key color is being used. */
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bool has_key_color;
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/** The current key color for this console. */
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TCOD_color_t key_color;
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/**
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@brief The total length of the tiles array. Same as `w * h`.
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\rst
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.. versionadded:: 1.16
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\endrst
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*/
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int elements;
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/**
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@brief A userdata attribute which can be repurposed.
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\rst
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.. versionadded:: 1.16
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\endrst
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*/
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void* userdata;
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/** Internal use. */
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void (*on_delete)(struct TCOD_Console* self);
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};
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typedef struct TCOD_Console TCOD_Console;
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typedef struct TCOD_Console* TCOD_console_t;
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#ifdef __cplusplus
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extern "C" {
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#endif // __cplusplus
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/**
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* Return a new console with a specific number of columns and rows.
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*
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* \param w Number of columns.
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* \param h Number of columns.
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* \return A pointer to the new console, or NULL on error.
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*/
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TCOD_PUBLIC TCOD_NODISCARD TCOD_Console* TCOD_console_new(int w, int h);
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/**
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* Return the width of a console.
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*/
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TCOD_PUBLIC TCOD_NODISCARD int TCOD_console_get_width(const TCOD_Console* con);
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/**
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* Return the height of a console.
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*/
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TCOD_PUBLIC TCOD_NODISCARD int TCOD_console_get_height(const TCOD_Console* con);
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TCOD_PUBLIC void TCOD_console_set_key_color(TCOD_Console* con, TCOD_color_t col);
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/**
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* Blit from one console to another.
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*
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* \param src Pointer to the source console.
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* \param xSrc The left region of the source console to blit from.
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* \param ySrc The top region of the source console to blit from.
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* \param wSrc The width of the region to blit from.
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* If 0 then it will fill to the maximum width.
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* \param hSrc The height of the region to blit from.
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* If 0 then it will fill to the maximum height.
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* \param dst Pointer to the destination console.
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* \param xDst The left corner to blit onto the destination console.
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* \param yDst The top corner to blit onto the destination console.
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* \param foreground_alpha Foreground blending alpha.
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* \param background_alpha Background blending alpha.
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*
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* If the source console has a key color, this function will use it.
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* \rst
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* .. versionchanged:: 1.16
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* Blits can now handle per-cell alpha transparency.
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* \endrst
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*/
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TCOD_PUBLIC void TCOD_console_blit(
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const TCOD_Console* __restrict src,
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int xSrc,
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int ySrc,
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int wSrc,
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int hSrc,
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TCOD_Console* __restrict dst,
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int xDst,
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int yDst,
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float foreground_alpha,
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float background_alpha);
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TCOD_PUBLIC void TCOD_console_blit_key_color(
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const TCOD_Console* __restrict src,
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int xSrc,
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int ySrc,
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int wSrc,
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int hSrc,
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TCOD_Console* __restrict dst,
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int xDst,
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int yDst,
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float foreground_alpha,
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float background_alpha,
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const TCOD_color_t* key_color);
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/**
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* Delete a console.
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*
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* \param console A console pointer.
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*
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* If the console being deleted is the root console, then the display will be
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* uninitialized.
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*/
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TCOD_PUBLIC void TCOD_console_delete(TCOD_Console* console);
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TCOD_DEPRECATED("Console defaults have been deprecated.")
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TCOD_PUBLIC void TCOD_console_set_default_background(TCOD_Console* con, TCOD_color_t col);
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TCOD_DEPRECATED("Console defaults have been deprecated.")
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TCOD_PUBLIC void TCOD_console_set_default_foreground(TCOD_Console* con, TCOD_color_t col);
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/**
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* Clear a console to its default colors and the space character code.
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*/
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TCOD_PUBLIC void TCOD_console_clear(TCOD_Console* con);
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/**
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* Blend a background color onto a console tile.
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*
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* \param con A console pointer.
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* \param x The X coordinate, the left-most position being 0.
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* \param y The Y coordinate, the top-most position being 0.
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* \param col The background color to blend.
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* \param flag The blend mode to use.
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*/
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TCOD_PUBLIC void TCOD_console_set_char_background(
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TCOD_Console* con, int x, int y, TCOD_color_t col, TCOD_bkgnd_flag_t flag);
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/**
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* Change the foreground color of a console tile.
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*
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* \param con A console pointer.
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* \param x The X coordinate, the left-most position being 0.
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* \param y The Y coordinate, the top-most position being 0.
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* \param col The foreground color to set.
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*/
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TCOD_PUBLIC void TCOD_console_set_char_foreground(TCOD_Console* con, int x, int y, TCOD_color_t col);
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/**
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* Change a character on a console tile, without changing its colors.
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*
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* \param con A console pointer.
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* \param x The X coordinate, the left-most position being 0.
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* \param y The Y coordinate, the top-most position being 0.
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* \param c The character code to set.
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||
|
|
*/
|
||
|
|
TCOD_PUBLIC void TCOD_console_set_char(TCOD_Console* con, int x, int y, int c);
|
||
|
|
/**
|
||
|
|
* Draw a character on a console using the default colors.
|
||
|
|
*
|
||
|
|
* \param con A console pointer.
|
||
|
|
* \param x The X coordinate, the left-most position being 0.
|
||
|
|
* \param y The Y coordinate, the top-most position being 0.
|
||
|
|
* \param c The character code to place.
|
||
|
|
* \param flag A TCOD_bkgnd_flag_t flag.
|
||
|
|
*/
|
||
|
|
TCOD_PUBLIC void TCOD_console_put_char(TCOD_Console* con, int x, int y, int c, TCOD_bkgnd_flag_t flag);
|
||
|
|
/**
|
||
|
|
* Draw a character on the console with the given colors.
|
||
|
|
*
|
||
|
|
* \param con A console pointer.
|
||
|
|
* \param x The X coordinate, the left-most position being 0.
|
||
|
|
* \param y The Y coordinate, the top-most position being 0.
|
||
|
|
* \param c The character code to place.
|
||
|
|
* \param fore The foreground color.
|
||
|
|
* \param back The background color. This color will not be blended.
|
||
|
|
*/
|
||
|
|
TCOD_PUBLIC void TCOD_console_put_char_ex(TCOD_Console* con, int x, int y, int c, TCOD_color_t fore, TCOD_color_t back);
|
||
|
|
/**
|
||
|
|
* Set a consoles default background flag.
|
||
|
|
*
|
||
|
|
* \param con A console pointer.
|
||
|
|
* \param flag One of `TCOD_bkgnd_flag_t`.
|
||
|
|
*/
|
||
|
|
TCOD_DEPRECATED("Console defaults have been deprecated.")
|
||
|
|
TCOD_PUBLIC void TCOD_console_set_background_flag(TCOD_Console* con, TCOD_bkgnd_flag_t flag);
|
||
|
|
/**
|
||
|
|
* Return a consoles default background flag.
|
||
|
|
*/
|
||
|
|
TCOD_DEPRECATED("Console defaults have been deprecated.")
|
||
|
|
TCOD_PUBLIC TCOD_NODISCARD TCOD_bkgnd_flag_t TCOD_console_get_background_flag(TCOD_Console* con);
|
||
|
|
/**
|
||
|
|
* Set a consoles default alignment.
|
||
|
|
*
|
||
|
|
* \param con A console pointer.
|
||
|
|
* \param alignment One of TCOD_alignment_t
|
||
|
|
*/
|
||
|
|
TCOD_DEPRECATED("Console defaults have been deprecated.")
|
||
|
|
TCOD_PUBLIC void TCOD_console_set_alignment(TCOD_Console* con, TCOD_alignment_t alignment);
|
||
|
|
/**
|
||
|
|
* Return a consoles default alignment.
|
||
|
|
*/
|
||
|
|
TCOD_DEPRECATED("Console defaults have been deprecated.")
|
||
|
|
TCOD_PUBLIC TCOD_NODISCARD TCOD_alignment_t TCOD_console_get_alignment(TCOD_Console* con);
|
||
|
|
TCOD_DEPRECATED("Console defaults have been deprecated.")
|
||
|
|
TCOD_PUBLIC TCOD_NODISCARD TCOD_color_t TCOD_console_get_default_background(TCOD_Console* con);
|
||
|
|
TCOD_DEPRECATED("Console defaults have been deprecated.")
|
||
|
|
TCOD_PUBLIC TCOD_NODISCARD TCOD_color_t TCOD_console_get_default_foreground(TCOD_Console* con);
|
||
|
|
/**
|
||
|
|
* Return the background color of a console at x,y
|
||
|
|
*
|
||
|
|
* \param con A console pointer.
|
||
|
|
* \param x The X coordinate, the left-most position being 0.
|
||
|
|
* \param y The Y coordinate, the top-most position being 0.
|
||
|
|
* \return A TCOD_color_t struct with a copy of the background color.
|
||
|
|
*/
|
||
|
|
TCOD_PUBLIC TCOD_NODISCARD TCOD_color_t TCOD_console_get_char_background(const TCOD_Console* con, int x, int y);
|
||
|
|
/**
|
||
|
|
* Return the foreground color of a console at x,y
|
||
|
|
*
|
||
|
|
* \param con A console pointer.
|
||
|
|
* \param x The X coordinate, the left-most position being 0.
|
||
|
|
* \param y The Y coordinate, the top-most position being 0.
|
||
|
|
* \return A TCOD_color_t struct with a copy of the foreground color.
|
||
|
|
*/
|
||
|
|
TCOD_PUBLIC TCOD_NODISCARD TCOD_color_t TCOD_console_get_char_foreground(const TCOD_Console* con, int x, int y);
|
||
|
|
/**
|
||
|
|
* Return a character code of a console at x,y
|
||
|
|
*
|
||
|
|
* \param con A console pointer.
|
||
|
|
* \param x The X coordinate, the left-most position being 0.
|
||
|
|
* \param y The Y coordinate, the top-most position being 0.
|
||
|
|
* \return The character code.
|
||
|
|
*/
|
||
|
|
TCOD_PUBLIC TCOD_NODISCARD int TCOD_console_get_char(const TCOD_Console* con, int x, int y);
|
||
|
|
/**
|
||
|
|
Fade the color of the display.
|
||
|
|
|
||
|
|
\param val Where at 255 colors are normal and at 0 colors are completely
|
||
|
|
faded.
|
||
|
|
\param fade_color Color to fade towards.
|
||
|
|
\rst
|
||
|
|
.. deprecated:: 1.19
|
||
|
|
This function will not work with libtcod contexts.
|
||
|
|
\endrst
|
||
|
|
*/
|
||
|
|
TCOD_DEPRECATED("This function does not support contexts.")
|
||
|
|
TCOD_PUBLIC
|
||
|
|
void TCOD_console_set_fade(uint8_t val, TCOD_color_t fade_color);
|
||
|
|
/**
|
||
|
|
* Return the fade value.
|
||
|
|
*
|
||
|
|
* \return At 255 colors are normal and at 0 colors are completely faded.
|
||
|
|
*/
|
||
|
|
TCOD_PUBLIC TCOD_NODISCARD uint8_t TCOD_console_get_fade(void);
|
||
|
|
/**
|
||
|
|
* Return the fade color.
|
||
|
|
*
|
||
|
|
* \return The current fading color.
|
||
|
|
*/
|
||
|
|
TCOD_PUBLIC TCOD_NODISCARD TCOD_color_t TCOD_console_get_fading_color(void);
|
||
|
|
void TCOD_console_resize_(TCOD_Console* console, int width, int height);
|
||
|
|
#ifdef __cplusplus
|
||
|
|
} // extern "C"
|
||
|
|
#endif // __cplusplus
|
||
|
|
#endif // TCOD_CONSOLE_H_
|