2xsai.c File Reference

2xsai code to stretch images into highers resolution by Derek Liauw Kie Fa & ... More...

#include <string.h>
#include "allegro.h"
#include "aintern.h"
#include "2xsai.h"

Defines
#define	uint32   unsigned long
#define	uint16   unsigned short
#define	uint8   unsigned char
#define	GET_RESULT(A, B, C, D)   ((A != C || A != D) - (B != C || B != D))
#define	INTERPOLATE(A, B)   (((A & colorMask) >> 1) + ((B & colorMask) >> 1) + (A & B & lowPixelMask))
#define	Q_INTERPOLATE(A, B, C, D)
#define	BLIT_CLIP2(src, dest, s_x, s_y, d_x, d_y, w, h, xscale, yscale)
Functions
int	Init_2xSaI (int d)
void	Super2xSaI (BITMAP *src, BITMAP *dest, int s_x, int s_y, int d_x, int d_y, int w, int h)
void	Super2xSaI_ex (uint8 *src, uint32 src_pitch, uint8 *unused, BITMAP *dest, uint32 width, uint32 height)
void	SuperEagle (BITMAP *src, BITMAP *dest, int s_x, int s_y, int d_x, int d_y, int w, int h)
void	SuperEagle_ex (uint8 *src, uint32 src_pitch, uint8 *unused, BITMAP *dest, uint32 width, uint32 height)

---

Detailed Description

2xsai code to stretch images into highers resolution by Derek Liauw Kie Fa & ...

library to stretch images with 2xsai or super_eagle mode written by Derek Liauw Kie Fa and Robert J Ohannessian

---

Define Documentation

#define Q_INTERPOLATE (  A, B, C, D   )

Value: ((A & qcolorMask) >> 2) + ((B & qcolorMask) >> 2) + ((C & qcolorMask) >> 2) + ((D & qcolorMask) >> 2) \ + ((((A & qlowpixelMask) + (B & qlowpixelMask) + (C & qlowpixelMask) + (D & qlowpixelMask)) >> 2) & qlowpixelMask)

---