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#ifndef GRAPHICS_H
#define GRAPHICS_H
#include <string>
#include <cstdlib>
#include <cstring>
#if defined(OGLI)
#include "OpenGLHeaders.h"
#endif
#include "Config.h"
//#include "powder.h"
#ifdef PIX16
#define PIXELSIZE 2
#define PIXPACK(x) ((((x)>>8)&0xF800)|(((x)>>5)&0x07E0)|(((x)>>3)&0x001F))
#define PIXRGB(r,g,b) ((((r)<<8)&0xF800)|(((g)<<3)&0x07E0)|(((b)>>3)&0x001F))
#define PIXR(x) (((x)>>8)&0xF8)
#define PIXG(x) (((x)>>3)&0xFC)
#define PIXB(x) (((x)<<3)&0xF8)
#else
#define PIXELSIZE 4
#ifdef PIX32BGR
#define PIXPACK(x) ((((x)>>16)&0x0000FF)|((x)&0x00FF00)|(((x)<<16)&0xFF0000))
#define PIXRGB(r,g,b) (((b)<<16)|((g)<<8)|((r)))// (((b)<<16)|((g)<<8)|(r))
#define PIXR(x) ((x)&0xFF)
#define PIXG(x) (((x)>>8)&0xFF)
#define PIXB(x) ((x)>>16)
#else
#ifdef PIX32BGRA
#define PIXPACK(x) ((((x)>>8)&0x0000FF00)|(((x)<<8)&0x00FF0000)|(((x)<<24)&0xFF000000))
#define PIXRGB(r,g,b) (((b)<<24)|((g)<<16)|((r)<<8))
#define PIXR(x) (((x)>>8)&0xFF)
#define PIXG(x) (((x)>>16)&0xFF)
#define PIXB(x) (((x)>>24))
#elif defined(PIX32OGL)
#define PIXPACK(x) (0xFF000000|((x)&0xFFFFFF))
#define PIXRGB(r,g,b) (0xFF000000|((r)<<16)|((g)<<8)|((b)))// (((b)<<16)|((g)<<8)|(r))
#define PIXRGBA(r,g,b,a) (((a)<<24)|((r)<<16)|((g)<<8)|((b)))// (((b)<<16)|((g)<<8)|(r))
#define PIXA(x) (((x)>>24)&0xFF)
#define PIXR(x) (((x)>>16)&0xFF)
#define PIXG(x) (((x)>>8)&0xFF)
#define PIXB(x) ((x)&0xFF)
#else
#define PIXPACK(x) (x)
#define PIXRGB(r,g,b) (((r)<<16)|((g)<<8)|(b))
#define PIXR(x) ((x)>>16)
#define PIXG(x) (((x)>>8)&0xFF)
#define PIXB(x) ((x)&0xFF)
#endif
#endif
#endif
#ifdef PIX16
typedef unsigned short pixel;
#else
typedef unsigned int pixel;
#endif
//Icon names, see Graphics::draw_icon
enum Icon
{
NoIcon = 0,
IconOpen,
IconReload,
IconSave,
IconVoteUp,
IconVoteDown,
IconTag,
IconNew,
IconLogin,
IconRenderSettings,
IconSimulationSettings,
IconPause,
IconVoteSort,
IconDateSort,
IconFavourite,
IconFolder,
IconSearch,
IconDelete,
IconReport,
IconUsername,
IconPassword,
IconClose
};
//"Graphics lite" - slightly lower performance due to variable size,
class VideoBuffer
{
public:
pixel * Buffer;
int Width, Height;
VideoBuffer(const VideoBuffer & old);
VideoBuffer(VideoBuffer * old);
VideoBuffer(int width, int height);
void BlendPixel(int x, int y, int r, int g, int b, int a);
void AddPixel(int x, int y, int r, int g, int b, int a);
void SetPixel(int x, int y, int r, int g, int b, int a);
int BlendCharacter(int x, int y, int c, int r, int g, int b, int a);
int AddCharacter(int x, int y, int c, int r, int g, int b, int a);
int SetCharacter(int x, int y, int c, int r, int g, int b, int a);
~VideoBuffer();
};
class Graphics
{
public:
pixel *vid;
int sdl_scale;
#ifdef OGLI
//OpenGL specific instance variables
GLuint vidBuf, textTexture;
void Reset();
#endif
//Common graphics methods in Graphics.cpp
static char * GenerateGradient(pixel * colours, float * points, int pointcount, int size);
//PTIF methods
static void *ptif_pack(pixel *src, int w, int h, int *result_size);
static pixel *ptif_unpack(void *datain, int size, int *w, int *h);
static pixel *resample_img_nn(pixel *src, int sw, int sh, int rw, int rh);
static pixel *resample_img(pixel *src, int sw, int sh, int rw, int rh);
static pixel *rescale_img(pixel *src, int sw, int sh, int *qw, int *qh, int f);
static pixel *render_packed_rgb(void *image, int width, int height, int cmp_size);
//Font/text metrics
static int CharIndexAtPosition(char *s, int positionX, int positionY);
static int PositionAtCharIndex(char *s, int charIndex, int & positionX, int & positionY);
static int textnwidth(char *s, int n);
static void textnpos(char *s, int n, int w, int *cx, int *cy);
static int textwidthx(char *s, int w);
static int textposxy(char *s, int width, int w, int h);
static int textwrapheight(char *s, int width);
static int textwidth(const char *s);
static void textsize(const char * s, int & width, int & height);
void Acquire();
void Release();
void blendpixel(int x, int y, int r, int g, int b, int a);
void addpixel(int x, int y, int r, int g, int b, int a);
void draw_icon(int x, int y, Icon icon, unsigned char alpha = 255, bool invert = false);
void Clear();
void Finalise();
//
int drawtext(int x, int y, const char *s, int r, int g, int b, int a);
int drawtext(int x, int y, std::string s, int r, int g, int b, int a);
int drawchar(int x, int y, int c, int r, int g, int b, int a);
int addchar(int x, int y, int c, int r, int g, int b, int a);
void xor_pixel(int x, int y);
void xor_line(int x, int y, int x2, int y2);
void xor_rect(int x, int y, int width, int height);
void xor_bitmap(unsigned char * bitmap, int x, int y, int w, int h);
void draw_line(int x, int y, int x2, int y2, int r, int g, int b, int a);
void drawrect(int x, int y, int width, int height, int r, int g, int b, int a);
void fillrect(int x, int y, int width, int height, int r, int g, int b, int a);
void clearrect(int x, int y, int width, int height);
void gradientrect(int x, int y, int width, int height, int r, int g, int b, int a, int r2, int g2, int b2, int a2);
void draw_image(pixel *img, int x, int y, int w, int h, int a);
void draw_image(const VideoBuffer & vidBuf, int w, int h, int a);
void draw_image(VideoBuffer * vidBuf, int w, int h, int a);
Graphics();
~Graphics();
};
#endif
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