www.pudn.com > imgproc.zip > IMGFIT.C

#include  
#include  
#include  
#include  
 
#define _SCREEN_VAR 
#ifndef JPEG_READY 
  #define JPEG_READY 
#endif 
#include "e:\\wimg\\h\\image.h" 
#include "e:\\wimg\\h\\imgfile.h" 
#include "e:\\wimg\\h\\imgproc.h" 
#include "e:\\wimg\\h\\imgdraw.h" 
 
imagedes  img; 
imagedes  mid; 
imagedes  des; 
void __busy(int percent) 
{ 
  if(percent > 100)    printf("Busy \b\b\b\b\b"); 
  else if(percent<= 0) printf("Idle \b\b\b\b\b"); 
  else                 printf("%3d%% \b\b\b\b\b", percent); 
}             
 
int main(int argc, char **argv) 
{ 
  int tmp; 
  char ifname[257]; 
  char ofname[257]; 
  char bfname[257]; 
  int xdes, ydes; 
  double xzoom, yzoom, zoom; 
  int br=0, bg=0, bb=0; 
  int xsize, ysize; 
  int xstart, ystart; 
  int desxs, desys; 
  BOOL fit = FALSE, full = FALSE; 
  int shadow=0; 
   
 
  fputs("Image File Fit In Version 1.1a\n" 
        "Released 05/25/1999, Yang YuDong.\n" 
        "   yangyd@yahoo.com\n" 
	    "   http://pcvideo.yeah.net\n", stderr); 
 
  ifname[0]=0; 
  ofname[0]=0; 
  bfname[0]=0; 
  xdes = 704; ydes = 576; 
  xsize = 0; ysize = 0; 
  for(tmp=1; tmp  255 || bg > 255 || bb >255)  { 
    fputs("Error: invalid back ground color.\n", stderr); 
    return 0; 
  } 
 
 
 
  mid.alloc = des.alloc = img.alloc = FALSE; 
  if(!Loadfile_on_extension(ifname, &img, xsize, ysize)) { 
    fprintf(stderr, "Error: unable to load image '%s'\n", ifname); 
    return 0; 
  } 
  if(xdes == img.xsize && ydes == img.ysize) { 
	  if(!*ofname || !strcmp(ofname, ifname)) { // src == des 
		  printf("Not changed : %s\n", ifname); 
		  return 0; 
	  }  
	  else if(!Savefile_on_extension(ofname, img)) { 
		  FreePicture(&img); 
		  fprintf(stderr, "Error: unable to save image '%s'\n", ofname); 
		  return 0; 
	  } 
	  FreePicture(&img); 
	  printf("Done %s\n", ofname); 
	  return 1; 
  } 
   
  if(!AllocPicture(&des, xdes, ydes, img.imagetype)) { 
    fprintf(stderr, "Error: failed to alloc destination buffer\n"); 
    return 0; 
  } 
 
  if(!*ofname) strcpy(ofname, ifname); 
 
  xsize = img.xsize; ysize = img.ysize; 
  zoom = 1.0; 
 
  if(fit) { 
	xzoom = (double)xdes/(double)img.xsize; 
	yzoom = (double)ydes/(double)img.ysize; 
	if(xzoom > yzoom) { ysize = ydes; xsize = (int)(img.xsize*yzoom); zoom = yzoom; } 
	else { xsize = xdes; ysize = (int)(img.ysize*xzoom);  zoom = xzoom; } 
  } 
  if(full) { 
	xzoom = (double)xdes/(double)img.xsize; 
	yzoom = (double)ydes/(double)img.ysize; 
	if(xzoom > yzoom) { xsize = xdes; ysize = (int)(img.ysize*xzoom); zoom = xzoom; } 
	else { ysize = ydes; xsize = (int)(img.xsize*yzoom); zoom = yzoom; } 
  } 
 
   
  des.load = TRUE; 
  if(img.imagetype == Color256) memcpy(des.pal, img.pal, 768); 
  if(!full) { 
	if(img.imagetype == TrueColor) img_draw_color(br, bg, bb); 
	else img_draw_color(img_draw_fitcolor(img, br, bg, bb), 0, 0); 
	img_draw_mode(IDRAW_OVERWRITE); 
	img_draw_rect(des, 0, 0, xdes, ydes, TRUE); 
  } 
 
  if(bfname[0] && Loadfile_on_extension(bfname, &mid, 0, 0)) { // has backgnd pic 
      if(mid.xsize >= xdes) { xstart = (mid.xsize-xdes)/2; desxs = 0; } 
      else { xstart = 0; desxs = (xdes-mid.xsize)/2; } 
      if(mid.ysize >= ydes) { ystart = (mid.ysize-ydes)/2; desys = 0; } 
      else { ystart = 0; desys = (ydes-mid.ysize)/2; } 
	  img_bitbilt(des, mid, xstart, ystart, xdes, ydes, desxs, desys); 
  }	   
 
 
  if(xsize >= xdes) { xstart = (xsize-xdes)/2; desxs = 0; } 
  else { xstart = 0; desxs = (xdes-xsize)/2; } 
  if(ysize >= ydes) { ystart = (ysize-ydes)/2; desys = 0; } 
  else { ystart = 0; desys = (ydes-ysize)/2; } 
  if(shadow) { 
	  img_draw_shadow(des, desxs+shadow, desys+shadow, xsize, ysize, abs(shadow)*2+1); 
  } 
  if(zoom == 1.0) { // no zoom is needed 
	  if(!img_bitbilt(des, img, xstart, ystart, xsize, ysize, desxs, desys)) { 
		  FreePicture(&des); 
		  FreePicture(&img); 
		  fprintf(stderr, "Error: failed to do fit\n"); 
		  return 0; 
	  } 
  } 
  else { 
	  if(!image_resample(&mid, img, xsize, ysize, Interp_fine)) { 
		  FreePicture(&des); 
		  FreePicture(&img); 
		  fprintf(stderr, "Error: failed to do fit\n"); 
		  return 0; 
	  } 
	  if(!img_bitbilt(des, mid, xstart, ystart, xsize, ysize, desxs, desys)) { 
		  FreePicture(&des); 
		  FreePicture(&img); 
		  fprintf(stderr, "Error: failed to do fit\n"); 
		  return 0; 
	  } 
	  FreePicture(&mid); 
  } 
  if(!Savefile_on_extension(ofname, des)) { 
    FreePicture(&des); 
    FreePicture(&img); 
    fprintf(stderr, "Error: unable to save image '%s'\n", ofname); 
    return 0; 
  } 
  FreePicture(&des); 
  FreePicture(&img); 
  printf("Done %s\n", ofname); 
  return 1; 
}