** This is part of the CTSim program
** Copyright (C) 1983-2000 Kevin Rosenberg
**
-** $Id: if2img.cpp,v 1.3 2000/06/09 11:03:08 kevin Exp $
+** $Id: if2img.cpp,v 1.4 2000/06/13 16:20:31 kevin Exp $
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License (version 2) as
void
if2img_usage (const char *program)
{
- fprintf(stdout, "usage: %s sdfname outfile [OPTIONS]\n", kbasename(program));
+ fprintf(stdout, "usage: %s sdfname outfile [OPTIONS]\n", fileBasename(program));
fprintf(stdout, "Convert IF file to an image file\n");
fprintf(stdout, "\n");
fprintf(stdout, " sdfname Name of input SDF file\n");
sdf2d_to_pgm (ImageFile& im, char *outfile, int nxcell, int nycell, double densmin, double densmax)
{
FILE *fp;
- int irow;
- unsigned char *rowp;
int nx = im.nx();
int ny = im.ny();
ImageFileArray v = im.getArray();
- rowp = (unsigned char *) sys_alloc(nx * nxcell,"sdf2d_to_img");
- if (rowp == NULL)
- return;
+ unsigned char* rowp = new unsigned char [nx * nxcell];
if ((fp = fopen (outfile, "wb")) == NULL)
return;
fprintf(fp, "%d %d\n", nx, ny);
fprintf(fp, "255\n");
- for (irow = ny - 1; irow >= 0; irow--)
- {
- int icol, ir;
-
- for (icol = 0; icol < nx; icol++)
- {
- double dens;
- int p;
- int pos = icol * nxcell;
- dens = (v[icol][irow] - densmin) / (densmax - densmin);
- if (dens < 0)
- dens = 0;
- else if (dens > 1)
- dens = 1;
- for (p = pos; p < pos + nxcell; p++)
- {
- rowp[p] = (unsigned int) (dens * 255.);
- }
- }
- for (ir = 0; ir < nycell; ir++)
- {
- int ic;
- for (ic = 0; ic < nx * nxcell; ic++)
- fprintf(fp, "%c ", rowp[ic]);
- }
+ for (int irow = ny - 1; irow >= 0; irow--) {
+ for (int icol = 0; icol < nx; icol++) {
+ int pos = icol * nxcell;
+ double dens = (v[icol][irow] - densmin) / (densmax - densmin);
+ dens = clamp (dens, 0., 1.);
+ for (int p = pos; p < pos + nxcell; p++) {
+ rowp[p] = static_cast<unsigned int> (dens * 255.);
+ }
+ }
+ for (int ir = 0; ir < nycell; ir++) {
+ for (int ic = 0; ic < nx * nxcell; ic++)
+ fprintf(fp, "%c ", rowp[ic]);
}
- sys_free(rowp, "if2img");
+ }
+ delete rowp;
fclose(fp);
}
sdf2d_to_pgmasc (ImageFile& im, char *outfile, int nxcell, int nycell, double densmin, double densmax)
{
FILE *fp;
- int irow;
- unsigned char *rowp;
int nx = im.nx();
int ny = im.ny();
ImageFileArray v = im.getArray();
- rowp = (unsigned char *) sys_alloc(nx * nxcell,"sdf2d_to_img");
+ unsigned char* rowp = new unsigned char [nx * nxcell];
if (rowp == NULL)
return;
fprintf(fp, "%d %d\n", nx, ny);
fprintf(fp, "255\n");
- for (irow = ny - 1; irow >= 0; irow--)
- {
- int icol, ir;
-
- for (icol = 0; icol < nx; icol++)
- {
- double dens;
- int p;
- int pos = icol * nxcell;
- dens = (v[icol][irow] - densmin) / (densmax - densmin);
- if (dens < 0)
- dens = 0;
- else if (dens > 1)
- dens = 1;
- for (p = pos; p < pos + nxcell; p++)
- {
- rowp[p] = (unsigned int) (dens * 255.);
- }
- }
- for (ir = 0; ir < nycell; ir++)
- {
- int ic;
- for (ic = 0; ic < nx * nxcell; ic++)
- fprintf(fp, "%d ", rowp[ic]);
- fprintf(fp, "\n");
- }
+ for (int irow = ny - 1; irow >= 0; irow--) {
+ for (int icol = 0; icol < nx; icol++) {
+ int pos = icol * nxcell;
+ double dens = (v[icol][irow] - densmin) / (densmax - densmin);
+ dens = clamp (dens, 0., 1.);
+ for (int p = pos; p < pos + nxcell; p++) {
+ rowp[p] = static_cast<unsigned int> (dens * 255.);
+ }
+ }
+ for (int ir = 0; ir < nycell; ir++) {
+ for (int ic = 0; ic < nx * nxcell; ic++)
+ fprintf(fp, "%d ", rowp[ic]);
+ fprintf(fp, "\n");
}
- sys_free(rowp, "if2img");
+ }
+ delete rowp;
fclose(fp);
}
FILE *fp;
png_structp png_ptr;
png_infop info_ptr;
- int irow;
- unsigned char *rowp;
double max_out_level = (1 << bitdepth) - 1;
int nx = im.nx();
int ny = im.ny();
ImageFileArray v = im.getArray();
- rowp = (unsigned char *) sys_alloc(nx * nxcell * (bitdepth / 8),"sdf2d_to_img");
- if (rowp == NULL)
- return;
+ unsigned char* rowp = new unsigned char [nx * nxcell * (bitdepth / 8)];
if ((fp = fopen (outfile, "wb")) == NULL)
return;
return;
info_ptr = png_create_info_struct(png_ptr);
- if (! info_ptr)
- {
- png_destroy_write_struct(&png_ptr, (png_infopp) NULL);
- fclose(fp);
- return;
- }
+ if (! info_ptr) {
+ png_destroy_write_struct(&png_ptr, (png_infopp) NULL);
+ fclose(fp);
+ return;
+ }
- if (setjmp(png_ptr->jmpbuf))
- {
- png_destroy_write_struct(&png_ptr, &info_ptr);
- fclose(fp);
- return;
- }
+ if (setjmp(png_ptr->jmpbuf)) {
+ png_destroy_write_struct(&png_ptr, &info_ptr);
+ fclose(fp);
+ return;
+ }
png_init_io(png_ptr, fp);
png_set_IHDR(png_ptr, info_ptr, nx * nxcell, ny * nycell, bitdepth, PNG_COLOR_TYPE_GRAY, PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_DEFAULT);
png_write_info(png_ptr, info_ptr);
- for (irow = ny - 1; irow >= 0; irow--)
- {
- png_bytep row_pointer = rowp;
- int icol, ir;
-
- for (icol = 0; icol < nx; icol++)
- {
- double dens;
- int p;
- unsigned int outval;
- int pos = icol * nxcell;
- dens = (v[icol][irow] - densmin) / (densmax - densmin);
- if (dens < 0)
- dens = 0;
- else if (dens > 1)
- dens = 1;
- outval = (unsigned int) (dens * max_out_level);
- for (p = pos; p < pos + nxcell; p++)
- {
- if (bitdepth == 8)
- rowp[p] = outval;
- else {
- int rowpos = p * 2;
- rowp[rowpos] = (outval >> 8) & 0xFF;
- rowp[rowpos+1] = (outval & 0xFF);
- }
- }
- }
- for (ir = 0; ir < nycell; ir++)
- {
- png_write_rows (png_ptr, &row_pointer, 1);
+ for (int irow = ny - 1; irow >= 0; irow--) {
+ png_bytep row_pointer = rowp;
+
+ for (int icol = 0; icol < nx; icol++) {
+ int pos = icol * nxcell;
+ double dens = (v[icol][irow] - densmin) / (densmax - densmin);
+ dens = clamp (dens, 0., 1.);
+ unsigned int outval = static_cast<unsigned int> (dens * max_out_level);
+
+ for (int p = pos; p < pos + nxcell; p++) {
+ if (bitdepth == 8)
+ rowp[p] = outval;
+ else {
+ int rowpos = p * 2;
+ rowp[rowpos] = (outval >> 8) & 0xFF;
+ rowp[rowpos+1] = (outval & 0xFF);
}
+ }
}
- sys_free(rowp, "if2img");
+ for (int ir = 0; ir < nycell; ir++)
+ png_write_rows (png_ptr, &row_pointer, 1);
+ }
+ delete rowp;
png_write_end(png_ptr, info_ptr);
png_destroy_write_struct(&png_ptr, &info_ptr);
gdImagePtr gif;
FILE *out;
int gs_indices[N_GRAYSCALE];
- int i;
- int irow;
- int lastrow;
- unsigned char *rowp;
int nx = im.nx();
int ny = im.ny();
ImageFileArray v = im.getArray();
- rowp = (unsigned char *) sys_alloc(nx * nxcell,"sdf2d_to_img");
+ usnigned char* rowp = new unsigned char [nx * nxcell];
if (rowp == NULL)
return;
gif = gdImageCreate(nx * nxcell, ny * nycell);
- for (i = 0; i < N_GRAYSCALE; i++)
+ for (int i = 0; i < N_GRAYSCALE; i++)
gs_indices[i] = gdImageColorAllocate(gif, i, i, i);
- lastrow = ny * nycell - 1;
- for (irow = 0; irow < ny; irow++)
- {
- int icol, ir;
- int rpos = irow * nycell;
- for (ir = rpos; ir < rpos + nycell; ir++)
- {
- for (icol = 0; icol < nx; icol++)
- {
- double dens;
- int ic;
- int cpos = icol * nxcell;
- dens = (v[icol][irow] - densmin) / (densmax - densmin);
- if (dens < 0)
- dens = 0;
- else if (dens > 1)
- dens = 1;
- for (ic = cpos; ic < cpos + nxcell; ic++)
- {
- rowp[ic] = (unsigned int) (dens * (double) (N_GRAYSCALE - 1));
- gdImageSetPixel(gif, ic, lastrow - ir, gs_indices[rowp[ic]]);
- }
- }
+ int lastrow = ny * nycell - 1;
+ for (int irow = 0; irow < ny; irow++) {
+ int rpos = irow * nycell;
+ for (int ir = rpos; ir < rpos + nycell; ir++) {
+ for (int icol = 0; icol < nx; icol++) {
+ int cpos = icol * nxcell;
+ double dens = (v[icol][irow] - densmin) / (densmax - densmin);
+ dens = clamp(dens, 0., 1.);
+ for (int ic = cpos; ic < cpos + nxcell; ic++) {
+ rowp[ic] = (unsigned int) (dens * (double) (N_GRAYSCALE - 1));
+ gdImageSetPixel(gif, ic, lastrow - ir, gs_indices[rowp[ic]]);
}
+ }
}
- sys_free(rowp, "if2img");
+ }
+ delete rowp;
- if ((out = fopen(outfile,"w")) == NULL)
- {
- fprintf(stderr,"Error opening output file %s for writing\n", outfile);
- exit(1);
- }
+ if ((out = fopen(outfile,"w")) == NULL) {
+ fprintf(stderr,"Error opening output file %s for writing\n", outfile);
+ exit(1);
+ }
gdImageGif(gif,out);
fclose(out);
gdImageDestroy(gif);
projects / ctsim.git / blobdiff