- {
- fprintf(stderr, "%s: \"%s\": %s: %s\n", progname,
- XDisplayName(arg_display), "failed to create graphics context",
- strerror(errno));
- return(1);
- }
-
- gcValues.foreground = redColour.pixel;
- gcValues.background = whiteColour.pixel;
- gcValues.line_style = LineDoubleDash;
- gcValues.graphics_exposures = False;
- antsGC = XCreateGC(display, screenPixmap,
- GCForeground | GCBackground | GCLineStyle |
- GCGraphicsExposures,
- &gcValues);
- if (antsGC == 0)
- {
- fprintf(stderr, "%s: \"%s\": %s: %s\n", progname,
- XDisplayName(arg_display), "failed to create graphics context",
- strerror(errno));
- return(1);
- }
-
- for (i = 0; i < 16; i++)
- keycodes[i] = XKeysymToKeycode(display, keysyms[i]);
-
- for (i = 0; i < 3; i++)
- northKeyCode[i] = keycodes[i + 0];
- for (i = 0; i < 3; i++)
- eastKeyCode[i] = keycodes[i + 3];
- for (i = 0; i < 3; i++)
- southKeyCode[i] = keycodes[i + 6];
- for (i = 0; i < 3; i++)
- westKeyCode[i] = keycodes[i + 9];
- for (i = 0; i < 3; i++)
- fireKeyCode[i] = keycodes[i + 12];
- for (i = 0; i < 1; i++)
- escKeyCode[i] = keycodes[i + 15];
-
- /* ----------------------------------------------------------------- */
-
-#if 0
- {
- Bitmap *bm = pcxBitmaps[2];
- Pixmap clip_mask = bm->clip_mask;
-
- if (clip_mask)
- {
-#if 1
- int width = bm->width;
- int height = bm->height;
-#else
- int width = 16 * 4;
- int height = 16 * 4;
-#endif
- XImage *src_ximage = XGetImage(display, clip_mask, 0, 0,
- width, height, AllPlanes, ZPixmap);
- XImage *dst_ximage = XGetImage(display, xwindow, 0, 0,
- width, height, AllPlanes, ZPixmap);
- int x, y;
-
- if (src_ximage == NULL)
- {
- printf("src_ximage failed\n");
- exit(1);
- }
-
- if (dst_ximage == NULL)
- {
- printf("dst_ximage failed\n");
- exit(1);
- }
-
- printf("::: DISPLAY CLIP MASK ...\n");
-
- for (x=0; x<width; x++)
- {
- for (y=0; y<height; y++)
- {
- unsigned long pixel = XGetPixel(src_ximage, x, y);
-
- if (pixel != BlackPixel(display, screen))
- pixel = WhitePixel(display, screen);
-
- XPutPixel(dst_ximage, x, y, pixel);
- }
- }
-
- printf("::: DISPLAY CLIP MASK NOW\n");
-
- XPutImage(display, xwindow, screenGC, dst_ximage, 0, 0,
- 0, 13 * TILEY, width, height);
-
- printf("::: DISPLAY CLIP MASK DONE\n");
- }
- }
-#endif
-
- /* ----------------------------------------------------------------- */
-
-#if 0
- {
- int ii = 2;
-
- XGCValues clip_gc_values;
- unsigned long clip_gc_valuemask;
-
-#if 1
- GC gc = screenGC;
-#else
-#if 1
- GC gc = pcxBitmaps[ii]->stored_clip_gc;
-#else
- GC gc = pcxBitmaps[ii]->gc;
-#endif
-#endif
- Pixmap src_pixmap = pcxBitmaps[ii]->clip_mask;
- Pixmap dst_pixmap = pcxBitmapsX2[ii]->clip_mask;
- int src_width = pcxBitmaps[ii]->width;
- int src_height = pcxBitmaps[ii]->height;
- int dst_width = pcxBitmapsX2[ii]->width;
- int dst_height = pcxBitmapsX2[ii]->height;
-
- XImage *src_ximage, *dst_ximage;
- byte *src_ptr, *dst_ptr;
- int bits_per_pixel;
- int bytes_per_pixel;
- int x, y, xx, yy, i;
-#if 1
- boolean scale_down = (src_width > dst_width);
- int zoom_factor;
-#else
- int zoom_factor = src_width / dst_width; /* currently very limited! */
-#endif
- int row_skip, col_skip;
-
- printf("::: %d\n", scale_down);
-
- xdebug("::: ZOOM STEP 1");
-
- clip_gc_values.graphics_exposures = False;
- clip_gc_valuemask = GCGraphicsExposures;
- if ((gc = XCreateGC(display, pcxBitmaps[ii]->clip_mask,
- clip_gc_valuemask, &clip_gc_values)) == None)
- {
- printf("XCreateGC failed\n");
- exit(1);
- }
-
- xdebug("::: ZOOM STEP 2");
-
- if (scale_down)
- {
- zoom_factor = src_width / dst_width;
-
- /* adjust source image size to integer multiple of destination size */
- src_width = dst_width * zoom_factor;
- src_height = dst_height * zoom_factor;
- }
- else
- {
- zoom_factor = dst_width / src_width;
-
- /* no adjustment needed when scaling up (some pixels may be left blank) */
- }
-
- /* copy source pixmap to temporary image */
- if ((src_ximage = XGetImage(display, src_pixmap, 0, 0, src_width, src_height,
- AllPlanes, ZPixmap)) == NULL)
- Error(ERR_EXIT, "ZoomPixmap(): XGetImage() failed");
-
- bits_per_pixel = src_ximage->bits_per_pixel;
- bytes_per_pixel = (bits_per_pixel + 7) / 8;
-
- printf("::: bits_per_pixel == %d\n", bits_per_pixel);
-
- if ((dst_ximage = XCreateImage(display, visual, src_ximage->depth, ZPixmap,
- 0, NULL, dst_width, dst_height,
- 8, dst_width * bytes_per_pixel)) == NULL)
- Error(ERR_EXIT, "ZoomPixmap(): XC reateImage() failed");
-
- dst_ximage->data =
- checked_malloc(dst_width * dst_height * bytes_per_pixel);
- dst_ximage->byte_order = src_ximage->byte_order;
-
- src_ptr = (byte *)src_ximage->data;
- dst_ptr = (byte *)dst_ximage->data;
-
- if (scale_down)
- {
- col_skip = (zoom_factor - 1) * bytes_per_pixel;
- row_skip = col_skip * src_width;
-
- /* scale image down by scaling factor 'zoom_factor' */
- for (y = 0; y < src_height; y += zoom_factor, src_ptr += row_skip)
- for (x = 0; x < src_width; x += zoom_factor, src_ptr += col_skip)
- for (i = 0; i < bytes_per_pixel; i++)
- *dst_ptr++ = *src_ptr++;
- }
- else
- {
- row_skip = src_width * bytes_per_pixel;
-
-#if 1
- printf("::: %d, %d -> %d, %d [%d / %d]\n[%ld -> %ld (%ld)] [%ld -> %ld (%ld)]\n",
- src_width, src_height,
- dst_width, dst_height,
- zoom_factor, bytes_per_pixel,
- src_ptr,
- src_ptr + src_width * src_height * bytes_per_pixel,
- src_width * src_height * bytes_per_pixel,
- dst_ptr,
- dst_ptr + dst_width * dst_height * bytes_per_pixel,
- dst_width * dst_height * bytes_per_pixel);
-#endif
-
-#if 0
- printf("A\n");
-
- for (i = 0; i < src_width * src_height * bytes_per_pixel;
- i++)
- {
- byte x = *(byte *)(src_ptr + i);
-
- printf("::: %d ...\n", i);
-
- x = x * 1;
- }
-
- printf("B\n");
-#endif
-
- /* scale image up by scaling factor 'zoom_factor' */
- for (y = 0; y < src_height; y++)
- {
- for (yy = 0; yy < zoom_factor; yy++)
- {
- if (yy > 0)
- src_ptr -= row_skip;
-
-#if 0
- printf("::: [%d -> %ld / %ld]\n", y, src_ptr, dst_ptr);
-#endif
-
- for (x = 0; x < src_width; x++)
- {
- for (xx = 0; xx < zoom_factor; xx++)
- for (i = 0; i < bytes_per_pixel; i++)
-#if 1
- {
-#if 0
- printf("::: %d\n", *(src_ptr + i));
-#endif
-
- *dst_ptr++ = *(src_ptr + i);
- }
-#else
- *dst_ptr++ = 0;
-#endif
-
- src_ptr += i;
- }
- }
- }
- }
-
- xdebug("::: ZOOM STEP 9");
-
- /* copy scaled image to destination pixmap */
- XPutImage(display, dst_pixmap, gc, dst_ximage, 0, 0, 0, 0,
- dst_width, dst_height);
-
- /* free temporary images */
- X11DestroyImage(src_ximage);
- X11DestroyImage(dst_ximage);
-
-
- xdebug("::: ZOOM DONE");
-
- }