qoi_viewer.h

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/*
 
    qoi_viewer.h
 
    This header contains declaration of functions related to QOI viewer
 
    Code licensed under MIT License
 
    Copyright (c) 2025-2026 Aftersol
 
    Permission is hereby granted, free of charge, to any person obtaining a copy
    of this software and associated documentation files (the "Software"), to deal
    in the Software without restriction, including without limitation the rights
    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    copies of the Software, and to permit persons to whom the Software is
    furnished to do so, subject to the following conditions:
 
    The above copyright notice and this permission notice shall be included in all
    copies or substantial portions of the Software.
 
    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
    SOFTWARE.
 
*/
 
#ifndef QOI_VIEWER_H
#define QOI_VIEWER_H
 
#if __cplusplus
extern "C" {
#endif
 
#include "sQOI.h"
#include <stdint.h>
#include <stdbool.h>
#include <libdragon.h>

#define IMG_BUFFER_SIZE 307200
 
extern uint8_t buffer0[IMG_BUFFER_SIZE];
 
extern uint8_t buffer1[IMG_BUFFER_SIZE];

typedef enum qoi_error_code {
    QOI_NOT_INITIALIZED = -1,
    QOI_OK, 
    QOI_NULL_BUFFER,
    QOI_INVAILD_FILE,
    QOI_NO_FILE,
    QOI_NO_FILENAME
} qoi_error_code;

typedef struct qoi_img_info {
    int width;

    int height;

    int channels;

    qoi_error_code error;

    float decodeTime;

    char name[256];

    bool renderDebugFont;
} qoi_img_info_t;

void draw_image(surface_t* disp, qoi_img_info_t info);

void openQOIFile(const char* filename, uint8_t* bytes, qoi_img_info_t* info);

inline void toggleDebugText(qoi_img_info_t* info) {
    info->renderDebugFont ^= true;
}
 
#if __cplusplus
}
#endif
 
#endif // QOI_VIEWER_H