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Diffstat (limited to 'src/index.c')
| -rw-r--r-- | src/index.c | 611 |
1 files changed, 611 insertions, 0 deletions
diff --git a/src/index.c b/src/index.c new file mode 100644 index 0000000..90f34f8 --- /dev/null +++ b/src/index.c @@ -0,0 +1,611 @@ +/* index.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 "filelist.h" +#include "winwidget.h" +#include "options.h" + +static char *create_index_dimension_string(int w, int h); +static char *create_index_size_string(char *file); +static char *create_index_title_string(int num, int w, int h); + +/* TODO Break this up a bit ;) */ +/* TODO s/bit/lot */ +void +init_index_mode(void) +{ + Imlib_Image im_main; + Imlib_Image im_temp; + int w = 800, h = 600, ww = 0, hh = 0, www, hhh, xxx, yyy; + int x = 0, y = 0; + int bg_w = 0, bg_h = 0; + winwidget winwid = NULL; + Imlib_Image bg_im = NULL, im_thumb = NULL; + int tot_thumb_h; + int text_area_h = 50; + int title_area_h = 0; + Imlib_Font fn = NULL; + Imlib_Font title_fn = NULL; + int text_area_w = 0; + int tw = 0, th = 0; + int fw_name, fw_size, fw_dim, fw, fh; + int vertical = 0; + int max_column_w = 0; + int thumbnailcount = 0; + gib_list *l = NULL, *last = NULL; + feh_file *file = NULL; + int lines; + unsigned char trans_bg = 0; + int index_image_width, index_image_height; + int x_offset_name = 0, x_offset_dim = 0, x_offset_size = 0; + char *s; + + D_ENTER(3); + + if (opt.montage) { + mode = "montage"; + } else { + mode = "index"; + } + + fn = gib_imlib_load_font(opt.font); + + if (opt.title_font) + { + int fh, fw; + + title_fn = gib_imlib_load_font(opt.title_font); + if (!fn) + title_fn = gib_imlib_load_font(DEFAULT_FONT_TITLE); + gib_imlib_get_text_size(title_fn, "W", NULL, &fw, &fh, IMLIB_TEXT_TO_RIGHT); + title_area_h = fh + 4; + } + else + title_fn = gib_imlib_load_font(DEFAULT_FONT_TITLE); + + if ((!fn) || (!title_fn)) + eprintf("Error loading fonts"); + + /* Work out how tall the font is */ + gib_imlib_get_text_size(fn, "W", NULL, &tw, &th, IMLIB_TEXT_TO_RIGHT); + /* For now, allow room for the right number of lines with small gaps */ + text_area_h = + ((th + 2) * (opt.index_show_name + opt.index_show_size + + opt.index_show_dim)) + 5; + + /* This includes the text area for index data */ + tot_thumb_h = opt.thumb_h + text_area_h; + + /* Use bg image dimensions for default size */ + if (opt.bg && opt.bg_file) + { + if (!strcmp(opt.bg_file, "trans")) + trans_bg = 1; + else + { + D(3, ("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 index.\n" + " You did specify a background however, so the\n" + " index 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 index.\n" + " Using defaults (width limited to 800)\n"); + opt.limit_w = 800; + } + } + + + /* Here we need to whiz through the files, and look at the filenames and + info in the selected font, work out how much space we need, and + calculate the size of the image we will require */ + + if (opt.limit_w && opt.limit_h) + { + int rec_h = 0; + + w = opt.limit_w; + h = opt.limit_h; + + /* Work out if this is big enough, and give a warning if not */ + + /* Pretend we are limiting width by that specified, loop through, and + see it we fit in the height specified. If not, continue the loop, + and recommend the final value instead. Carry on and make the index + anyway. */ + + for (l = filelist; l; l = l->next) + { + file = FEH_FILE(l->data); + text_area_w = opt.thumb_w; + if (opt.index_show_name) + { + gib_imlib_get_text_size(fn, file->name, NULL, &fw, &fh, + IMLIB_TEXT_TO_RIGHT); + if (fw > text_area_w) + text_area_w = fw; + } + if (opt.index_show_dim) + { + gib_imlib_get_text_size(fn, + create_index_dimension_string(1000, 1000), + NULL, &fw, &fh, IMLIB_TEXT_TO_RIGHT); + if (fw > text_area_w) + text_area_w = fw; + } + if (opt.index_show_size) + { + gib_imlib_get_text_size(fn, + create_index_size_string(file->filename), + NULL, &fw, &fh, IMLIB_TEXT_TO_RIGHT); + if (fw > text_area_w) + text_area_w = fw; + } + if (text_area_w > opt.thumb_w) + text_area_w += 5; + + if ((x > w - text_area_w)) + { + x = 0; + y += tot_thumb_h; + } + + x += text_area_w; + } + rec_h = y + tot_thumb_h; + + if (h < rec_h) + { + weprintf("The image size you specified (%d by %d) is not large\n" + "enough to hold all the thumnails you specified (%d). To fit all\n" + "the thumnails, either decrease their size, choose a smaller font,\n" + "or use a larger image (may I recommend %d by %d?)", + opt.limit_w, opt.limit_h, filelist_len, opt.limit_w, rec_h); + } + } + else if (opt.limit_h) + { + vertical = 1; + h = opt.limit_h; + /* calc w */ + for (l = filelist; l; l = l->next) + { + file = FEH_FILE(l->data); + text_area_w = opt.thumb_w; + /* Calc width of text */ + if (opt.index_show_name) + { + gib_imlib_get_text_size(fn, file->name, NULL, &fw, &fh, + IMLIB_TEXT_TO_RIGHT); + if (fw > text_area_w) + text_area_w = fw; + } + if (opt.index_show_dim) + { + gib_imlib_get_text_size(fn, + create_index_dimension_string(1000, 1000), + NULL, &fw, &fh, IMLIB_TEXT_TO_RIGHT); + if (fw > text_area_w) + text_area_w = fw; + } + if (opt.index_show_size) + { + gib_imlib_get_text_size(fn, + create_index_size_string(file->filename), + NULL, &fw, &fh, IMLIB_TEXT_TO_RIGHT); + if (fw > text_area_w) + text_area_w = fw; + } + if (text_area_w > opt.thumb_w) + text_area_w += 5; + + if (text_area_w > max_column_w) + max_column_w = text_area_w; + + if ((y > h - tot_thumb_h)) + { + y = 0; + x += max_column_w; + max_column_w = 0; + } + + y += tot_thumb_h; + } + w = x + text_area_w; + max_column_w = 0; + } + else if (opt.limit_w) + { + w = opt.limit_w; + /* calc h */ + + for (l = filelist; l; l = l->next) + { + file = FEH_FILE(l->data); + text_area_w = opt.thumb_w; + if (opt.index_show_name) + { + gib_imlib_get_text_size(fn, file->name, NULL, &fw, &fh, + IMLIB_TEXT_TO_RIGHT); + if (fw > text_area_w) + text_area_w = fw; + } + if (opt.index_show_dim) + { + gib_imlib_get_text_size(fn, + create_index_dimension_string(1000, 1000), + NULL, &fw, &fh, IMLIB_TEXT_TO_RIGHT); + if (fw > text_area_w) + text_area_w = fw; + } + if (opt.index_show_size) + { + gib_imlib_get_text_size(fn, + create_index_size_string(file->filename), + NULL, &fw, &fh, IMLIB_TEXT_TO_RIGHT); + if (fw > text_area_w) + text_area_w = fw; + } + + if (text_area_w > opt.thumb_w) + text_area_w += 5; + + if ((x > w - text_area_w)) + { + x = 0; + y += tot_thumb_h; + } + + x += text_area_w; + } + h = y + tot_thumb_h; + } + + x = y = 0; + + index_image_width = w; + index_image_height = h + title_area_h; + im_main = imlib_create_image(index_image_width, index_image_height); + + if (!im_main) + eprintf("Imlib error creating index image, are you low on RAM?"); + + 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 + title_area_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 + title_area_h, 0, 0, + 0, 255); + } + + /* Create the window title at this point */ + + if (!opt.title) + s = estrdup(PACKAGE " [index 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(4, ("About to load image %s\n", file->filename)); + if (feh_load_image(&im_temp, file) != 0) + { + if (opt.verbose) + feh_display_status('.'); + D(4, ("Successfully loaded %s\n", file->filename)); + www = opt.thumb_w; + hhh = opt.thumb_h; + ww = gib_imlib_image_get_width(im_temp); + hh = gib_imlib_image_get_height(im_temp); + thumbnailcount++; + + 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; + } + + 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(3, ("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); + } + + text_area_w = opt.thumb_w; + /* Now draw on the info text */ + if (opt.index_show_name) + { + gib_imlib_get_text_size(fn, file->name, NULL, &fw_name, &fh, + IMLIB_TEXT_TO_RIGHT); + if (fw_name > text_area_w) + text_area_w = fw_name; + } + if (opt.index_show_dim) + { + gib_imlib_get_text_size(fn, create_index_dimension_string(ww, hh), + NULL, &fw_dim, &fh, IMLIB_TEXT_TO_RIGHT); + if (fw_dim > text_area_w) + text_area_w = fw_dim; + } + if (opt.index_show_size) + { + gib_imlib_get_text_size(fn, + create_index_size_string(file->filename), + NULL, &fw_size, &fh, IMLIB_TEXT_TO_RIGHT); + if (fw_size > text_area_w) + text_area_w = fw_size; + } + if (text_area_w > opt.thumb_w) + text_area_w += 5; + + /* offsets for centering text */ + x_offset_name = (text_area_w - fw_name) / 2; + x_offset_dim = (text_area_w - fw_dim) / 2; + x_offset_size = (text_area_w - fw_size) / 2; + + if (vertical) + { + if (text_area_w > max_column_w) + max_column_w = text_area_w; + if (y > h - tot_thumb_h) + { + y = 0; + x += max_column_w; + max_column_w = 0; + } + if (x > w - text_area_w) + break; + } + else + { + if (x > w - text_area_w) + { + x = 0; + y += tot_thumb_h; + } + if (y > h - tot_thumb_h) + break; + } + + if (opt.aspect) + { + xxx = x + ((opt.thumb_w - www) / 2); + yyy = y + ((opt.thumb_h - hhh) / 2); + } + else + { + /* Ignore the aspect ratio and squash the image in */ + xxx = x; + yyy = y; + } + + /* Draw now */ + 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); + + lines = 0; + if (opt.index_show_name) + gib_imlib_text_draw(im_main, fn, NULL, x + x_offset_name, + y + opt.thumb_h + (lines++ * (th + 2)) + 2, + file->name, IMLIB_TEXT_TO_RIGHT, 255, 255, + 255, 255); + if (opt.index_show_dim) + gib_imlib_text_draw(im_main, fn, NULL, x + x_offset_dim, + y + opt.thumb_h + (lines++ * (th + 2)) + 2, + create_index_dimension_string(ww, hh), + IMLIB_TEXT_TO_RIGHT, 255, 255, 255, 255); + if (opt.index_show_size) + gib_imlib_text_draw(im_main, fn, NULL, x + x_offset_size, + y + opt.thumb_h + (lines++ * (th + 2)) + 2, + create_index_size_string(file->filename), + IMLIB_TEXT_TO_RIGHT, 255, 255, 255, 255); + + if (vertical) + y += tot_thumb_h; + else + x += text_area_w; + + } + else + { + if (opt.verbose) + feh_display_status('x'); + last = l; + } + if (opt.display) + { + winwidget_render_image(winwid, 0, 0); + if (!feh_main_iteration(0)) + exit(0); + } + } + if (opt.verbose) + fprintf(stdout, "\n"); + + if (opt.title_font) + { + int fw, fh, fx, fy; + char *s; + + s = create_index_title_string(thumbnailcount, w, h); + gib_imlib_get_text_size(title_fn, s, NULL, &fw, &fh, IMLIB_TEXT_TO_RIGHT); + fx = (index_image_width - fw) >> 1; + fy = index_image_height - fh - 2; + gib_imlib_text_draw(im_main, title_fn, NULL, fx, fy, s, IMLIB_TEXT_TO_RIGHT, + 255, 255, 255, 255); + } + + 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, thumbnailcount); + } + } + + if (!opt.display) + gib_imlib_free_image_and_decache(im_main); + + free(s); + D_RETURN_(3); +} + + +char * +chop_file_from_full_path(char *str) +{ + D_ENTER(4); + D_RETURN(4, strrchr(str, '/') + 1); +} + +static char * +create_index_size_string(char *file) +{ + static char str[50]; + int size = 0; + double kbs = 0.0; + struct stat st; + + D_ENTER(4); + if (stat(file, &st)) + kbs = 0.0; + else + { + size = st.st_size; + kbs = (double) size / 1000; + } + + snprintf(str, sizeof(str), "%.2fKb", kbs); + D_RETURN(4, str); +} + +static char * +create_index_dimension_string(int w, int h) +{ + static char str[50]; + + D_ENTER(4); + snprintf(str, sizeof(str), "%dx%d", w, h); + D_RETURN(4, str); +} + +static char * +create_index_title_string(int num, int w, int h) +{ + static char str[50]; + + D_ENTER(4); + snprintf(str, sizeof(str), + PACKAGE " index - %d thumbnails, %d by %d pixels", num, w, h); + D_RETURN(4, str); +} |