// Apple II hires decoder. Reads an 8K hires page (the .po-derived
// `loading_panel.bin` file), unpacks the interleaved scanline layout
// into a flat 280x192 1-bit bitmap, and blits a row range into the
// port framebuffer using a chosen colour for lit pixels.

#ifndef APPLE2HIRES_H
#define APPLE2HIRES_H

#include <stdbool.h>
#include <stdint.h>
#include "framebuffer.h"

#define HIRES_WIDTH  280
#define HIRES_HEIGHT 192
#define HIRES_BYTES  8192

typedef struct HiresPageT {
        uint8_t bits[HIRES_WIDTH * HIRES_HEIGHT];      // 1 byte per pixel, 0/1
} HiresPageT;

// Decode an 8K hires-page file from `path` into `out`. Returns true
// on success.
bool apple2HiresLoadFile(const char *path, HiresPageT *out);

// Blit rows [srcTopRow, srcTopRow+rows) of the decoded page into
// the framebuffer at (dstX, dstY), painting lit pixels with `litColor`
// and (if `paintBackground`) unlit pixels with `bgColor`.
void apple2HiresBlit(const HiresPageT *page,
                     int16_t srcTopRow,
                     int16_t rows,
                     FramebufferT *fb,
                     int16_t dstX,
                     int16_t dstY,
                     ColorE  litColor,
                     ColorE  bgColor,
                     bool    paintBackground);

#endif