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Diffstat (limited to 'src/collage.c')
| -rw-r--r-- | src/collage.c | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/src/collage.c b/src/collage.c new file mode 100644 index 0000000..3377e84 --- /dev/null +++ b/src/collage.c @@ -0,0 +1,240 @@ +/* collage.c + +Copyright (C) 1999-2003 Tom Gilbert. + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to +deal in the Software without restriction, including without limitation the +rights to use, copy, modify, merge, publish, distribute, sublicense, and/or +sell copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies of the Software and its documentation and acknowledgment shall be +given in the documentation and software packages that this Software was +used. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER +IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +*/ + +#include "feh.h" +#include "winwidget.h" +#include "filelist.h" +#include "options.h" + +void +init_collage_mode(void) +{ + Imlib_Image im_main; + Imlib_Image im_temp; + int ww, hh, www, hhh, xxx, yyy; + int w = 800, h = 600; + int bg_w = 0, bg_h = 0; + winwidget winwid = NULL; + Imlib_Image bg_im = NULL, im_thumb = NULL; + feh_file *file = NULL; + unsigned char trans_bg = 0; + gib_list *l, *last = NULL; + char *s; + + D_ENTER(4); + + mode = "collage"; + + /* Use bg image dimensions for default size */ + if (opt.bg && opt.bg_file) + { + if (!strcmp(opt.bg_file, "trans")) + trans_bg = 1; + else + { + + D(4,("Time to apply a background to blend onto\n")); + if (feh_load_image_char(&bg_im, opt.bg_file) != 0) + { + bg_w = gib_imlib_image_get_width(bg_im); + bg_h = gib_imlib_image_get_height(bg_im); + } + } + } + + if (!opt.limit_w || !opt.limit_h) + { + if (bg_im) + { + if (opt.verbose) + fprintf(stdout, + PACKAGE " - No size restriction specified for collage.\n" + " You did specify a background however, so the\n" + " collage size has defaulted to the size of the image\n"); + opt.limit_w = bg_w; + opt.limit_h = bg_h; + } + else + { + if (opt.verbose) + fprintf(stdout, + PACKAGE " - No size restriction specified for collage.\n" + " - For collage mode, you need to specify width and height.\n" + " Using defaults (width 800, height 600)\n"); + opt.limit_w = 800; + opt.limit_h = 600; + } + } + + w = opt.limit_w; + h = opt.limit_h; + D(4,("Limiting width to %d and height to %d\n", w, h)); + + im_main = imlib_create_image(w, h); + + if (!im_main) + eprintf("Imlib error creating image"); + + if (bg_im) + gib_imlib_blend_image_onto_image(im_main, bg_im, + gib_imlib_image_has_alpha(bg_im), 0, 0, + bg_w, bg_h, 0, 0, w, h, 1, 0, 0); + else if (trans_bg) + { + gib_imlib_image_fill_rectangle(im_main, 0, 0, w, h, 0, 0, 0, 0); + gib_imlib_image_set_has_alpha(im_main, 1); + } + else + { + /* Colour the background */ + gib_imlib_image_fill_rectangle(im_main, 0, 0, w, h, 0, 0, 0, 255); + } + + /* Create the title string */ + + if (!opt.title) + s = estrdup(PACKAGE " [collage mode]"); + else + s = estrdup(feh_printf(opt.title, NULL)); + + if (opt.display) + { + winwid = + winwidget_create_from_image(im_main, s, WIN_TYPE_SINGLE); + winwidget_show(winwid); + } + + + for (l = filelist; l; l = l->next) + { + file = FEH_FILE(l->data); + if (last) + { + filelist = feh_file_remove_from_list(filelist, last); + filelist_len--; + last = NULL; + } + D(3,("About to load image %s\n", file->filename)); + if (feh_load_image(&im_temp, file) != 0) + { + D(3,("Successfully loaded %s\n", file->filename)); + if (opt.verbose) + feh_display_status('.'); + www = opt.thumb_w; + hhh = opt.thumb_h; + ww = gib_imlib_image_get_width(im_temp); + hh = gib_imlib_image_get_height(im_temp); + + if (opt.aspect) + { + double ratio = 0.0; + + /* Keep the aspect ratio for the thumbnail */ + ratio = ((double) ww / hh) / ((double) www / hhh); + + if (ratio > 1.0) + hhh = opt.thumb_h / ratio; + else if (ratio != 1.0) + www = opt.thumb_w * ratio; + } + + if ((!opt.stretch) && ((www > ww) || (hhh > hh))) + { + /* Don't make the image larger unless stretch is specified */ + www = ww; + hhh = hh; + } + + /* pick random coords for thumbnail */ + xxx = ((w - www) * ((double) rand() / RAND_MAX)); + yyy = ((h - hhh) * ((double) rand() / RAND_MAX)); + D(5,("image going on at x=%d, y=%d\n", xxx, yyy)); + + im_thumb = + gib_imlib_create_cropped_scaled_image(im_temp, 0, 0, ww, hh, www, + hhh, 1); + gib_imlib_free_image_and_decache(im_temp); + + if (opt.alpha) + { + DATA8 atab[256]; + + D(4,("Applying alpha options\n")); + gib_imlib_image_set_has_alpha(im_thumb, 1); + memset(atab, opt.alpha_level, sizeof(atab)); + gib_imlib_apply_color_modifier_to_rectangle(im_thumb, 0, 0, www, + hhh, NULL, NULL, NULL, + atab); + } + gib_imlib_blend_image_onto_image(im_main, im_thumb, + gib_imlib_image_has_alpha(im_thumb), + 0, 0, www, hhh, xxx, yyy, www, hhh, + 1, + gib_imlib_image_has_alpha(im_thumb), + 0); + gib_imlib_free_image_and_decache(im_thumb); + } + else + { + last = l; + if (opt.verbose) + feh_display_status('x'); + } + if (opt.display) + { + winwidget_render_image(winwid, 0, 0); + if (!feh_main_iteration(0)) + exit(0); + } + } + if (opt.verbose) + fprintf(stdout, "\n"); + + if (opt.output && opt.output_file) + { + char output_buf[1024]; + if (opt.output_dir) + snprintf(output_buf,1024,"%s/%s", opt.output_dir, opt.output_file); + else + strncpy(output_buf,opt.output_file, 1024); + gib_imlib_save_image(im_main, output_buf); + if (opt.verbose) + { + int tw, th; + + tw = gib_imlib_image_get_width(im_main); + th = gib_imlib_image_get_height(im_main); + fprintf(stdout, PACKAGE " - File saved as %s\n", output_buf); + fprintf(stdout, + " - Image is %dx%d pixels and contains %d thumbnails\n", + tw, th, (tw / opt.thumb_w) * (th / opt.thumb_h)); + } + } + + if (!opt.display) + gib_imlib_free_image_and_decache(im_main); + free(s); + D_RETURN_(4); +} |