git.zerfleddert.de Git - linexec-j720/blob - graphics.cpp

   1 #include "stdafx.h"
   2 #include "tester1.h"
   3 #include <commctrl.h>
   4 //#include <aygshell.h>
   5 #include <sipapi.h>
   6 #include "setup.h"
   7
   8
   9 /* TO DO: Detect whether we're running on an AXIM or an iPAQ at runtime,
  10    and set accordingly. */
  11
  12 #ifdef AXIM
  13 #  define FB_ADR        0x14042000
  14 #else
  15 #  define FB_ADR        0xA0051000
  16 #endif
  17
  18
  19
  20 #define SET 0xffffffff
  21 #define LCD_X_RES 240
  22 #define LCD_Y_RES 320
  23 UINT16 *fb;
  24
  25
  26 void init_fb()
  27 {
  28         fb=(UINT16*)VirtualAlloc((void*)0x0,LCD_X_RES*LCD_Y_RES*2, MEM_RESERVE,PAGE_READWRITE);
  29         VirtualCopy((void*)fb,(void *) (FB_ADR/256),LCD_X_RES*LCD_Y_RES*2, PAGE_READWRITE|PAGE_NOCACHE|PAGE_PHYSICAL);
  30 }
  31
  32 void try_fb()
  33 {
  34 //      fb[1]=SET;
  35 }
  36
  37 Image ReadBMP(char FileName[30])
  38 {
  39  FILE *stream;
  40  char buff[29];
  41  UINT32 x,y;
  42  unsigned char red,green,blue;
  43  unsigned long offset;
  44  UINT16 *p,c;
  45  Image image={NULL};
  46  stream=fopen(FileName,"rb");
  47  if(!stream) return image;
  48  fread(buff,26,1,stream);
  49
  50  offset=(unsigned char)buff[13]*16777216+(unsigned char)buff[12]*65536+(unsigned char)buff[11]*256+(unsigned char)buff[10];
  51  x=(unsigned char)buff[21]*256*256*256+(unsigned char)buff[20]*256*256+(unsigned char)buff[19]*256+(unsigned char)buff[18];
  52  y=(unsigned char)buff[25]*256*256*256+(unsigned char)buff[24]*256*256+(unsigned char)buff[23]*256+(unsigned char)buff[22];
  53 // offset=54;
  54  UINT32 imgx=x,imgy=y;
  55  if(x<32) x=32;
  56  if(y<32) y=32;
  57  p=image.p=(UINT16*)malloc(x*y*2);
  58  if(!image.p) return(image);
  59  fseek(stream,offset,SEEK_SET);
  60  p+=(x*y+x);
  61
  62 for(UINT32 zz=0;zz<y;zz++)
  63  {
  64  p-=2*x;
  65
  66  for(UINT32 yy=0;yy<x;yy++)
  67   {
  68    blue=fgetc(stream);
  69    green=fgetc(stream);
  70    red=fgetc(stream);
  71    c=(red/8)*2048+(green/4)*32+blue/8;
  72    *p=c;
  73    p++;
  74
  75   }
  76
  77 }
  78 //image.p=p;
  79 image.x=imgx;
  80 image.y=imgy-1;
  81 fclose(stream);
  82 return(image);
  83 }
  84
  85 // shows picture pointed to by p, with res (x by y), at (x_pos, y_pos)
  86 void ShowImage(UINT16 *p, int x, int y,int x_pos,int y_pos)
  87 {
  88         UINT16 *fb=::fb;
  89         if(!p) return;
  90         fb+=y_pos*LCD_X_RES+x_pos;
  91         for(int yy=0;yy<y;yy++)
  92         {
  93                 for(int xx=0;xx<x;xx++)
  94                 {
  95                         *fb=*p;
  96                 fb++;
  97                 p++;
  98                 }
  99                 if(x<LCD_X_RES) fb+=LCD_X_RES-x;
 100         }
 101 }