forked from speedie/spmenu
03a245720e
scaled down too far, this commit fixes the last commit while preserving the speed improvement by preventing a call to drawimage() through an X11 event after image size has been changed.
353 lines
7.6 KiB
C
353 lines
7.6 KiB
C
void
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setimagesize(int width, int height)
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{
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#if !USEIMAGE
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return;
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#endif
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int oih = 0;
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int oiw = 0;
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/* this makes sure we cannot scale the image up or down too much */
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if ((!image && height < imageheight) || (!image && width < imagewidth) || width > mw || hideimage) return;
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oih = imageheight;
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oiw = imagewidth;
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imageheight = height;
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imagewidth = width;
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drawimage();
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needredraw = 0;
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if (!image) {
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imageheight = oih;
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imagewidth = oiw;
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return;
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}
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drawmenu();
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}
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void
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flipimage(void)
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{
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switch (flip) {
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case 1: /* horizontal */
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imlib_image_flip_horizontal();
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break;
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case 2: /* vertical */
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imlib_image_flip_vertical();
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break;
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case 3: /* diagonal */
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imlib_image_flip_diagonal();
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break;
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default:
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flip = flip ? 1 : 0;
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return;
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}
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}
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void
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rotateimage(void)
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{
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rotation %= 4;
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imlib_image_orientate(rotation);
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}
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void
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cleanupimage(void)
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{
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if (image) {
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imlib_free_image();
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image = NULL;
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}
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}
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void
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drawimage(void)
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{
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int width = 0, height = 0;
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char *limg = NULL;
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if (!lines || hideimage) return;
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/* to prevent the image from being drawn multiple times */
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if (!needredraw) {
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needredraw = 1;
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return;
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}
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if (sel && sel->image && strcmp(sel->image, limg ? limg : "")) {
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if (longestedge)
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loadimagecache(sel->image, &width, &height);
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} else if ((!sel || !sel->image) && image) {
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imlib_free_image();
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image = NULL;
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} if (image && longestedge) {
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rotateimage();
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flipimage();
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int leftmargin = imagegaps;
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if(mh != bh + height + imagegaps * 2) {
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resizetoimageheight(height);
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}
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if (!imageposition) { /* top mode = 0 */
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if (height > width)
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width = height;
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imlib_render_image_on_drawable(leftmargin+(imagewidth-width)/2, bh+imagegaps);
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} else if (imageposition == 1) { /* bottom mode = 1 */
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if (height > width)
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width = height;
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imlib_render_image_on_drawable(leftmargin+(imagewidth-width)/2, mh-height-imagegaps);
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} else if (imageposition == 2) { /* center mode = 2 */
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imlib_render_image_on_drawable(leftmargin+(imagewidth-width)/2, (mh-bh-height)/2+bh);
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} else {
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int minh = MIN(height, mh-bh-imagegaps*2);
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imlib_render_image_on_drawable(leftmargin+(imagewidth-width)/2, (minh-height)/2+bh+imagegaps);
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}
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} if (sel) {
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limg = sel->image;
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} else {
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limg = NULL;
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}
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}
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void
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setimageopts(void)
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{
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imlib_set_cache_size(8192 * 1024);
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imlib_context_set_blend(1);
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imlib_context_set_dither(1);
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imlib_set_color_usage(128);
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imlib_context_set_display(dpy);
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imlib_context_set_visual(visual);
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imlib_context_set_colormap(cmap);
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imlib_context_set_drawable(win);
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}
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void
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createifnexist(const char *dir)
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{
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if(access(dir, F_OK) == 0)
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return;
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if(errno == EACCES)
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fprintf(stderr, "spmenu: no access to create directory: %s\n", dir);
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if(mkdir(dir, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH) == -1)
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fprintf(stderr, "spmenu: failed to create directory: %s\n", dir);
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}
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void
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createifnexist_rec(const char *dir)
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{
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char *buf, *s = (char*)dir, *bs;
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if(!(buf = malloc(strlen(s)+1)))
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return;
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memset(buf, 0, strlen(s)+1);
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for(bs = buf; *s; ++s, ++bs) {
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if(*s == '/' && *buf)
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createifnexist(buf);
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*bs = *s;
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}
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free(buf);
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}
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void
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loadimage(const char *file, int *width, int *height)
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{
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image = imlib_load_image(file);
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if (!image)
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return;
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imlib_context_set_image(image);
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*width = imlib_image_get_width();
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*height = imlib_image_get_height();
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}
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void
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scaleimage(int *width, int *height)
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{
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int nwidth, nheight;
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float aspect = 1.0f;
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if (imagewidth > *width)
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aspect = (float)(*width)/imagewidth;
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else
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aspect = (float)imagewidth/(*width);
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nwidth = *width * aspect;
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nheight = *height * aspect;
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if(nwidth == *width && nheight == *height)
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return;
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image = imlib_create_cropped_scaled_image(0,0,*width,*height,nwidth,nheight);
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imlib_free_image();
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if(!image)
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return;
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imlib_context_set_image(image);
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*width = nwidth;
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*height = nheight;
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return;
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}
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void
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loadimagecache(const char *file, int *width, int *height)
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{
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int slen = 0, i;
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unsigned char digest[MD5_DIGEST_LENGTH];
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char md5[MD5_DIGEST_LENGTH*2+1];
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char *xdg_cache, *home = NULL, *dsize, *buf = NULL;
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struct passwd *pw = NULL;
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/* just load and don't store or try cache */
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if (longestedge > 256) {
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loadimage(file, width, height);
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if (image)
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scaleimage(width, height);
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return;
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}
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if (generatecache) {
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/* try find image from cache first */
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if(!(xdg_cache = getenv("XDG_CACHE_HOME"))) {
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if(!(home = getenv("HOME")) && (pw = getpwuid(getuid())))
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home = pw->pw_dir;
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if(!home) {
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fprintf(stderr, "spmenu: could not find home directory");
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return;
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}
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}
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/* which cache do we try? */
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dsize = "normal";
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if (longestedge > 128)
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dsize = "large";
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slen = snprintf(NULL, 0, "file://%s", file)+1;
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if(!(buf = malloc(slen))) {
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fprintf(stderr, "spmenu: out of memory");
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return;
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}
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/* calculate md5 from path */
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sprintf(buf, "file://%s", file);
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MD5((unsigned char*)buf, slen, digest);
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free(buf);
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for(i = 0; i < MD5_DIGEST_LENGTH; ++i)
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sprintf(&md5[i*2], "%02x", (unsigned int)digest[i]);
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/* path for cached thumbnail */
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if (xdg_cache)
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slen = snprintf(NULL, 0, "%s/thumbnails/%s/%s.png", xdg_cache, dsize, md5)+1;
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else
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slen = snprintf(NULL, 0, "%s/.thumbnails/%s/%s.png", home, dsize, md5)+1;
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if(!(buf = malloc(slen))) {
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fprintf(stderr, "out of memory");
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return;
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}
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if (xdg_cache)
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sprintf(buf, "%s/thumbnails/%s/%s.png", xdg_cache, dsize, md5);
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else
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sprintf(buf, "%s/.thumbnails/%s/%s.png", home, dsize, md5);
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loadimage(buf, width, height);
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if (image && *width < imagewidth && *height < imageheight) {
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imlib_free_image();
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image = NULL;
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} else if(image && (*width > imagewidth || *height > imageheight)) {
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scaleimage(width, height);
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}
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/* we are done */
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if (image) {
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free(buf);
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return;
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}
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}
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/* we din't find anything from cache, or it was just wrong */
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loadimage(file, width, height);
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scaleimage(width, height);
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if (!generatecache) return;
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imlib_image_set_format("png");
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if (buf && generatecache) {
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createifnexist_rec(buf);
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imlib_save_image(buf);
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free(buf);
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}
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}
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void
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jumptoindex(unsigned int index) {
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unsigned int i;
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sel = curr = matches;
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calcoffsets();
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for(i = 1; i < index; ++i) {
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if(sel && sel->right && (sel = sel->right) == next) {
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curr = next;
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calcoffsets();
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}
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}
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}
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void
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resizetoimageheight(int imageheight)
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{
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int omh = mh, olines = lines;
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lines = reallines;
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if(lines * bh < imageheight + imagegaps * 2)
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lines = (imageheight+imagegaps*2)/bh;
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mh = (lines + 1) * bh;
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if(mh - bh < imageheight + imagegaps * 2)
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mh = imageheight+imagegaps*2+bh;
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if(!win || omh == mh)
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return;
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XResizeWindow(dpy, win, mw, mh);
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drw_resize(drw, mw, mh);
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if (olines != lines) {
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struct item *item;
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unsigned int i = 1;
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for (item = matches; item && item != sel; item = item->right)
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++i;
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jumptoindex(i);
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}
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drawmenu();
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}
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