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https://github.com/DarkStore-3DS/Universal-Core.git
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Pk11
109 lines
3.9 KiB
C++
109 lines
3.9 KiB
C++
/*
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* This file is part of Universal-Core
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* Copyright (C) 2021 Universal-Team
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* Additional Terms 7.b and 7.c of GPLv3 apply to this file:
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* * Requiring preservation of specified reasonable legal notices or
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* author attributions in that material or in the Appropriate Legal
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* Notices displayed by works containing it.
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* * Prohibiting misrepresentation of the origin of that material,
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* or requiring that modified versions of such material be marked in
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* reasonable ways as different from the original version.
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*/
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#ifndef _UNIVERSAL_CORE_IMAGE_HPP
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#define _UNIVERSAL_CORE_IMAGE_HPP
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#include <nds/ndstypes.h>
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#include <string>
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#include <vector>
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class Image {
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private:
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u32 _width = 0;
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u32 _height = 0;
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u8 _paletteStart = 0;
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std::vector<u8> _bitmap = {};
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std::vector<u16> _palette = {};
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static void decompressGrf(void *dst, const void *src);
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void load(const u8 *grf, u8 paletteStart);
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public:
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/**
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* @brief Image drawing class
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* @param paths The paths to try load the image from, from highest to lowest priority
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* @param paletteStart Where to start the palette in VRAM
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*/
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Image(const std::vector<std::string> &paths, u8 paletteStart);
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/**
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* @brief Image drawing class
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* @param path The path to load the image from
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* @param paletteStart Where to start the palette in VRAM
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*/
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Image(const std::string &path, u8 paletteStart) : Image(std::vector<std::string>({path}), paletteStart) {};
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/**
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* @brief Image drawing class
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* @param grf Pointer to a GRF in memory
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* @param paletteStart Where to start the palette in VRAM
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*/
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Image(const u8 *grf, u8 paletteStart);
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~Image(void) {};
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u16 width(void) const { return _width; }
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u16 height(void) const { return _height; }
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u8 paletteStart(void) const { return _paletteStart; }
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const std::vector<u8> &bitmap(void) const { return _bitmap; }
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const std::vector<u16> &palette(void) const { return _palette; }
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void paletteStart(u8 paletteStart);
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/**
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* @brief Copies the palette into VRAM
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*/
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void copyPalette(void);
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/**
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* @brief Draws the image to a background layer, slower but can skip alpha, scale, and offset the palette
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* @param x The X position to draw at
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* @param y The Y position to draw at
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* @param scaleX (Optional) The scale for the X axis
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* @param scaleY (Optional) The scale for the Y axis
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* @param skipAlpha (Optional) Whether to skip transparent pixels, draws faster when disabled at 1.0 scale
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*/
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void draw(int x, int y, float scaleX = 1.0f, float scaleY = 1.0f, bool skipAlpha = true);
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/**
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* @brief Draws a segment of an image to a background layer, slower but can skip alpha, scale, and offset the palette
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* @param x The X position to draw at
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* @param y The Y position to draw at
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* @param imageX The X position in the image to draw from
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* @param imageY The Y position in the image to draw from
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* @param w The width to draw
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* @param h The height to draw
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* @param scaleX (Optional) The scale for the X axis
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* @param scaleY (Optional) The scale for the Y axis
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* @param skipAlpha (Optional) Whether to skip transparent pixels, draws faster when disabled at 1.0 scale
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*/
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void drawSegment(int x, int y, int imageX, int imageY, int w, int h, float scaleX = 1.0f, float scaleY = 1.0f, bool skipAlpha = true);
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};
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#endif
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