wrlib/testgrad.c

   1
   2
   3 #include <X11/Xlib.h>
   4 #include "wraster.h"
   5 #include <stdio.h>
   6 #include <stdlib.h>
   7 #include <string.h>
   8 #ifdef BENCH
   9 #include <sys/time.h>
  10 #include <time.h>
  11 #endif
  12
  13
  14 Display *dpy;
  15 Window win;
  16 RContext *ctx;
  17 RImage *imgh, *imgv, *imgd;
  18 Pixmap pix;
  19 char *ProgName;
  20
  21
  22 void
  23 print_help()
  24 {
  25     printf("usage: %s [-options] color1 [color2 ...]\n", ProgName);
  26     puts("options:");
  27     puts(" -m           match  colors");
  28     puts(" -d           dither colors (default)");
  29     puts(" -c <cpc>     colors per channel to use");
  30     puts(" -v <vis-id>  visual id to use");
  31 }
  32
  33 #ifdef BENCH
  34 #include "bench.h"
  35 #endif
  36 int main(int argc, char **argv)
  37 {
  38     RContextAttributes attr;
  39     RColor **colors = NULL;
  40     int i, rmode = RDitheredRendering, ncolors = 0, cpc = 4;
  41     char **color_name;
  42     XColor color;
  43     XSetWindowAttributes val;
  44     int visualID = -1;
  45 #ifdef BENCH
  46     double t1, t2, total, t, rt;
  47     struct timeval timev;
  48 #endif
  49
  50     ProgName = strrchr(argv[0],'/');
  51     if (!ProgName)
  52       ProgName = argv[0];
  53     else
  54       ProgName++;
  55
  56     color_name = (char **) malloc(sizeof(char*) * argc);
  57     if(color_name == NULL) {
  58         fprintf(stderr, "Cannot allocate memory!\n");
  59         exit(1);
  60     }
  61
  62     if (argc>1) {
  63         for (i=1; i<argc; i++) {
  64             if (strcmp(argv[i], "-m")==0) {
  65                 rmode = RBestMatchRendering;
  66             } else if (strcmp(argv[i], "-d")==0) {
  67                 rmode = RDitheredRendering;
  68             } else if (strcmp(argv[i], "-c")==0) {
  69                 i++;
  70                 if (i>=argc) {
  71                     fprintf(stderr, "too few arguments for %s\n", argv[i-1]);
  72                     exit(0);
  73                 }
  74                 if (sscanf(argv[i], "%i", &cpc)!=1) {
  75                     fprintf(stderr, "bad value for colors per channel: \"%s\"\n", argv[i]);
  76                     exit(0);
  77                 }
  78             } else if (strcmp(argv[i], "-v")==0) {
  79                 i++;
  80                 if (i>=argc) {
  81                     fprintf(stderr, "too few arguments for %s\n", argv[i-1]);
  82                     exit(0);
  83                 }
  84                 if (sscanf(argv[i], "%i", &visualID)!=1) {
  85                     fprintf(stderr, "bad value for visual ID: \"%s\"\n", argv[i]);
  86                     exit(0);
  87                 }
  88             } else if (argv[i][0] != '-') {
  89                 color_name[ncolors++] = argv[i];
  90             } else {
  91                 print_help();
  92                 exit(1);
  93             }
  94         }
  95     }
  96
  97     if (ncolors == 0) {
  98         print_help();
  99         exit(1);
 100     }
 101
 102     dpy = XOpenDisplay("");
 103     if (!dpy) {
 104         puts("cant open display");
 105         exit(1);
 106     }
 107     attr.flags = RC_RenderMode | RC_ColorsPerChannel;
 108
 109     attr.render_mode = rmode;
 110     attr.colors_per_channel = cpc;
 111
 112     if (visualID >= 0) {
 113         attr.flags |= RC_VisualID;
 114         attr.visualid = visualID;
 115     }
 116
 117     ctx = RCreateContext(dpy, DefaultScreen(dpy), &attr);
 118
 119     if (!ctx) {
 120         printf("could not initialize graphics library context: %s\n",
 121                RMessageForError(RErrorCode));
 122         exit(1);
 123     }
 124
 125     colors = malloc(sizeof(RColor*)*(ncolors+1));
 126     for (i=0; i<ncolors; i++) {
 127         if (!XParseColor(dpy, ctx->cmap, color_name[i], &color)) {
 128             printf("could not parse color \"%s\"\n", color_name[i]);
 129             exit(1);
 130         }
 131         else {
 132             colors[i] = malloc(sizeof(RColor));
 133             colors[i]->red = color.red >> 8;
 134             colors[i]->green = color.green >> 8;
 135             colors[i]->blue = color.blue >> 8;
 136             printf("0x%02x%02x%02x\n", colors[i]->red, colors[i]->green,
 137                    colors[i]->blue);
 138         }
 139     }
 140     colors[i] = NULL;
 141
 142     val.background_pixel = ctx->black;
 143     val.colormap = ctx->cmap;
 144     val.backing_store = Always;
 145 #ifdef BENCH
 146     win = XCreateWindow(dpy, DefaultRootWindow(dpy), 10, 10, 250, 250,
 147                         0, ctx->depth, InputOutput, ctx->visual,
 148                         CWColormap|CWBackPixel|CWBackingStore, &val);
 149 #else
 150     win = XCreateWindow(dpy, DefaultRootWindow(dpy), 10, 10, 750, 250,
 151                         0, ctx->depth, InputOutput, ctx->visual,
 152                         CWColormap|CWBackPixel|CWBackingStore, &val);
 153 #endif
 154     XMapRaised(dpy, win);
 155     XFlush(dpy);
 156
 157 #ifdef BENCH
 158     rt = 0;
 159     gettimeofday(&timev, NULL);
 160     t = (double)timev.tv_sec + (((double)timev.tv_usec)/1000000);
 161     for (i=0; i<9; i++) {
 162         if (i>0)
 163             printf("\nrepeating...\n\n");
 164         gettimeofday(&timev, NULL);
 165         t1 = (double)timev.tv_sec + (((double)timev.tv_usec)/1000000);
 166         if (i%3==0)
 167             imgh = RRenderMultiGradient(550, 550, colors, RGRD_HORIZONTAL);
 168         else if (i%3==1)
 169             imgh = RRenderMultiGradient(550, 550, colors, RGRD_VERTICAL);
 170         else
 171             imgh = RRenderMultiGradient(550, 550, colors, RGRD_DIAGONAL);
 172
 173         gettimeofday(&timev, NULL);
 174         t2 = (double)timev.tv_sec + (((double)timev.tv_usec)/1000000);
 175         total = t2 - t1;
 176         printf("gradient rendered in %f sec\n", total);
 177
 178         RConvertImage(ctx, imgh, &pix);
 179         gettimeofday(&timev, NULL);
 180         t1 = (double)timev.tv_sec + (((double)timev.tv_usec)/1000000);
 181         total = t1 - t2;
 182         rt += total;
 183         printf("image converted in %f sec\n", total);
 184
 185         XCopyArea(dpy, pix, win, ctx->copy_gc, 0, 0, 250, 250, 0, 0);
 186
 187         XFlush(dpy);
 188     }
 189     t1 = (double)timev.tv_sec + (((double)timev.tv_usec)/1000000);
 190     printf("------------------------------------------\n");
 191     printf("%i images processed in %f sec\n", i, t1-t);
 192     printf("average time per convertion %f sec\n", rt/i);
 193     printf("------------------------------------------\n");
 194 #else
 195     imgh = RRenderMultiGradient(250, 250, colors, RGRD_HORIZONTAL);
 196     imgv = RRenderMultiGradient(250, 250, colors, RGRD_VERTICAL);
 197     imgd = RRenderMultiGradient(250, 250, colors, RGRD_DIAGONAL);
 198     RConvertImage(ctx, imgh, &pix);
 199     XCopyArea(dpy, pix, win, ctx->copy_gc, 0, 0, 250, 250, 0, 0);
 200
 201     RConvertImage(ctx, imgv, &pix);
 202     XCopyArea(dpy, pix, win, ctx->copy_gc, 0, 0, 250, 250, 250, 0);
 203
 204     RConvertImage(ctx, imgd, &pix);
 205     XCopyArea(dpy, pix, win, ctx->copy_gc, 0, 0, 250, 250, 500, 0);
 206
 207     XFlush(dpy);
 208 #endif
 209
 210     getchar();
 211     return 0;
 212 }