/*
 *  Roo/E, the Kangaroo Punch Portable GUI Toolkit
 *  Copyright (C) 2026 Scott Duensing
 *
 *  http://kangaroopunch.com
 *
 *
 *  This file is part of Roo/E.
 *
 *  Roo/E is free software: you can redistribute it and/or modify it under the
 *  terms of the GNU Affero General Public License as published by the Free
 *  Software Foundation, either version 3 of the License, or (at your option)
 *  any later version.
 *
 *  Roo/E is distributed in the hope that it will be useful, but WITHOUT ANY
 *  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 *  FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 *  details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with Roo/E. If not, see <https://www.gnu.org/licenses/>.
 *
 */


#ifndef KPSSURF_H
#define KPSSURF_H


#include "roo_e.h"


typedef uint32_t ColorT;

typedef struct SurfaceS {
	uint16_t width;
	uint16_t height;
	size_t   scanline;
	size_t   bytes;
	union {
		uint8_t  *bits8;
		uint16_t *bits16;
		uint32_t *bits32;
	} buffer;
} SurfaceT;

typedef struct SurfaceFormatS {
	uint32_t  rMask;
	uint32_t  gMask;
	uint32_t  bMask;
	uint32_t  aMask;
	uint8_t   rShift;
	uint8_t   gShift;
	uint8_t   bShift;
	uint8_t   aShift;
	uint8_t   rLoss;
	uint8_t   gLoss;
	uint8_t   bLoss;
	uint8_t   aLoss;
} SurfaceFormatT;


extern SurfaceT       *__surfaceActive;
extern uint8_t         __surfaceBitsPerPixel;
extern uint8_t         __surfaceBytesPerPixel;
extern SurfaceFormatT  __surfaceFormat;


extern void   (*surfaceLineH)(int16_t x1, int16_t x2, int16_t y, ColorT c);
extern void   (*surfaceLineV)(int16_t x, int16_t y1, int16_t y2, ColorT c);
extern ColorT (*surfacePixelGet)(SurfaceT *surface, int16_t x, int16_t y);
extern void   (*surfacePixelSet)(uint16_t x, uint16_t y, ColorT color);


void      surfaceBlit(int16_t targetX1, int16_t targetY1, int16_t offsetX, int16_t offsetY, int16_t width, int16_t height, SurfaceT *source);
void      surfaceBlitWithTransparency(int16_t targetX, int16_t targetY, SurfaceT *source, ColorT transparent);
void      surfaceClear(ColorT color);
ColorT    surfaceColorMake(uint8_t r, uint8_t g, uint8_t b);
SurfaceT *surfaceCreate(int16_t width, int16_t height);
void      surfaceBox(int16_t x1, int16_t y1, int16_t x2, int16_t y2, ColorT c);
void      surfaceBoxFilled(int16_t x1, int16_t y1, int16_t x2, int16_t y2, ColorT c);
void      surfaceBoxHighlight(int16_t x1, int16_t y1, int16_t x2, int16_t y2, ColorT highlight, ColorT shadow);
void      surfaceDestroy(SurfaceT **surface);
SurfaceT *surfaceGet(void);
int16_t   surfaceHeightGet(SurfaceT *surface);
void      surfaceLine(int16_t x1, int16_t y1, int16_t x2, int16_t y2, ColorT color);
SurfaceT *surfaceLoad(char *filename);
void      surfaceSave(SurfaceT *surface, char *filename);
void      surfaceSet(SurfaceT *surface);
void      surfaceShutdown(void);
void      surfaceStartup(uint8_t bits);
int16_t   surfaceWidthGet(SurfaceT *surface);


#endif // KPSSURF_H