#pragma once
#include "bbsys.hpp"

#include <gxgraphics.hpp>
#include <gxcanvas.hpp>
#include <gxscene.hpp>
#include <gxfont.hpp>

extern gxGraphics* gx_graphics;
extern gxCanvas*   gx_canvas;
extern gxScene*    gx_scene;

class bbImage;

//general graphics functions
int    bbCountGfxDrivers();
BBStr* bbGfxDriverName(int n);
BBStr* bbGfxDriverDesc(int n);
void   bbSetGfxDriver(int n);
int    bbGfxModeExists(int w, int h, int d);
int    bbCountGfxModes();
int    bbGfxModeWidth(int n);
int    bbGfxModeHeight(int n);
int    bbGfxModeDepth(int n);
int    bbGraphicsWidth();
int    bbGraphicsHeight();
int    bbGraphicsDepth();
int    bbAvailVidMem();
int    bbTotalVidMem();

//mode functions
void      bbGraphics(int w, int h, int d, int mode);
gxCanvas* bbFrontBuffer();
gxCanvas* bbBackBuffer();
void      bbEndGraphics();
int       bbGraphicsLost();
int       bbScanLine();
void      bbVWait(int n);
void      bbFlip(int vwait);

//graphics buffer functions
void      bbSetBuffer(gxCanvas* buff);
gxCanvas* bbGraphicsBuffer();
int       bbLoadBuffer(gxCanvas* surf, BBStr* str);
int       bbSaveBuffer(gxCanvas* surf, BBStr* str);

//fast read/write operations...
void bbLockBuffer(gxCanvas* buff);
void bbUnlockBuffer(gxCanvas* buff);
int  bbReadPixel(int x, int y, gxCanvas* buff);
void bbWritePixel(int x, int y, int argb, gxCanvas* buff);
int  bbReadPixelFast(int x, int y, gxCanvas* buff);
void bbWritePixelFast(int x, int y, int argb, gxCanvas* buff);

//2d rendering functions
void bbOrigin(int x, int y);
void bbViewport(int x, int y, int w, int h);
void bbColor(int r, int g, int b);
void bbClsColor(int r, int g, int b);
void bbCls();
void bbPlot(int x, int y);
void bbLine(int x1, int y1, int x2, int y2);
void bbRect(int x, int y, int w, int h, int solid);
void bbOval(int x, int y, int w, int h, int solid);
void bbText(int x, int y, BBStr* str, int centre_x, int centre_y);
void bbGetColor(int x, int y);
int  bbColorRed();
int  bbColorGreen();
int  bbColorBlue();

//font functions
gxFont* bbLoadFont(BBStr* name, int height, int bold, int italic, int underline);
void    bbFreeFont(gxFont* f);
void    bbSetFont(gxFont* f);
int     bbFontWidth();
int     bbFontHeight();
int     bbStringWidth(BBStr* str);
int     bbStringHeight(BBStr* str);

//image functions
bbImage*  bbLoadImage(BBStr* s);
bbImage*  bbCopyImage(bbImage* i);
bbImage*  bbCreateImage(int w, int h, int n);
bbImage*  bbLoadAnimImage(BBStr* s, int w, int h, int first, int cnt);
void      bbFreeImage(bbImage* i);
int       bbSaveImage(bbImage* i, BBStr* filename, int frame);
void      bbGrabImage(bbImage* i, int x, int y, int n);
gxCanvas* bbImageBuffer(bbImage* i, int n);
void      bbDrawImage(bbImage* i, int x, int y, int frame);
void      bbDrawBlock(bbImage* i, int x, int y, int frame);
void      bbTileImage(bbImage* i, int x, int y, int frame);
void      bbTileBlock(bbImage* i, int x, int y, int frame);
void      bbDrawImageRect(bbImage* i, int x, int y, int r_x, int r_y, int r_w, int r_h, int frame);
void      bbDrawBlockRect(bbImage* i, int x, int y, int r_x, int r_y, int r_w, int r_h, int frame);
void      bbMaskImage(bbImage* i, int r, int g, int b);
void      bbHandleImage(bbImage* i, int x, int y);
void      bbScaleImage(bbImage* i, float w, float h);
void      bbResizeImage(bbImage* i, float w, float h);
void      bbRotateImage(bbImage* i, float angle);
void      bbTFormImage(bbImage* i, float a, float b, float c, float d);
void      bbTFormFilter(int enable);
void      bbAutoMidHandle(int enable);
void      bbMidHandle(bbImage* i);
int       bbImageWidth(bbImage* i);
int       bbImageHeight(bbImage* i);
int       bbImageXHandle(bbImage* i);
int       bbImageYHandle(bbImage* i);
int       bbImagesOverlap(bbImage* i1, int x1, int y1, bbImage* i2, int x2, int y2);
int       bbImagesCollide(bbImage* i1, int x1, int y1, int f1, bbImage* i2, int x2, int y2, int f2);
int       bbRectsOverlap(int x1, int y1, int w1, int h1, int x2, int y2, int w2, int h2);
int       bbImageRectOverlap(bbImage* i, int x, int y, int r_x, int r_y, int r_w, int r_h);
int       bbImageRectCollide(bbImage* i, int x, int y, int f, int r_x, int r_y, int r_w, int r_h);

//simple print functions
void   bbWrite(BBStr* str);
void   bbPrint(BBStr* str);
BBStr* bbInput(BBStr* prompt);
void   bbLocate(int x, int y);