diff options
Diffstat (limited to 'source/blender/imbuf')
-rw-r--r-- | source/blender/imbuf/IMB_imbuf.h | 8 | ||||
-rw-r--r-- | source/blender/imbuf/intern/IMB_filetype.h | 17 | ||||
-rw-r--r-- | source/blender/imbuf/intern/filetype.c | 16 | ||||
-rw-r--r-- | source/blender/imbuf/intern/jpeg.c | 117 | ||||
-rw-r--r-- | source/blender/imbuf/intern/readimage.c | 57 | ||||
-rw-r--r-- | source/blender/imbuf/intern/thumbs.c | 55 |
6 files changed, 223 insertions, 47 deletions
diff --git a/source/blender/imbuf/IMB_imbuf.h b/source/blender/imbuf/IMB_imbuf.h index 0390df06052..8796c99629e 100644 --- a/source/blender/imbuf/IMB_imbuf.h +++ b/source/blender/imbuf/IMB_imbuf.h @@ -109,6 +109,14 @@ struct ImBuf *IMB_loadiffname(const char *filepath, int flags, char colorspace[I /** * + * \attention Defined in readimage.c + */ +struct ImBuf *IMB_thumb_load_image(const char *filepath, + const size_t max_thumb_size, + char colorspace[IM_MAX_SPACE]); + +/** + * * \attention Defined in allocimbuf.c */ void IMB_freeImBuf(struct ImBuf *ibuf); diff --git a/source/blender/imbuf/intern/IMB_filetype.h b/source/blender/imbuf/intern/IMB_filetype.h index 31f8b3a9505..67d1aefeacb 100644 --- a/source/blender/imbuf/intern/IMB_filetype.h +++ b/source/blender/imbuf/intern/IMB_filetype.h @@ -36,6 +36,17 @@ typedef struct ImFileType { char colorspace[IM_MAX_SPACE]); /** Load an image from a file. */ struct ImBuf *(*load_filepath)(const char *filepath, int flags, char colorspace[IM_MAX_SPACE]); + /** + * Load/Create a thumbnail image from a filepath. `max_thumb_size` is maximum size of either + * dimension, so can return less on either or both. Should, if possible and performant, return + * dimensions of the full-size image in r_width & r_height. + */ + struct ImBuf *(*load_filepath_thumbnail)(const char *filepath, + const int flags, + const size_t max_thumb_size, + char colorspace[IM_MAX_SPACE], + size_t *r_width, + size_t *r_height); /** Save to a file (or memory if #IB_mem is set in `flags` and the format supports it). */ bool (*save)(struct ImBuf *ibuf, const char *filepath, int flags); void (*load_tile)(struct ImBuf *ibuf, @@ -143,6 +154,12 @@ struct ImBuf *imb_load_jpeg(const unsigned char *buffer, size_t size, int flags, char colorspace[IM_MAX_SPACE]); +struct ImBuf *imb_thumbnail_jpeg(const char *filepath, + const int flags, + const size_t max_thumb_size, + char colorspace[IM_MAX_SPACE], + size_t *r_width, + size_t *r_height); /** \} */ diff --git a/source/blender/imbuf/intern/filetype.c b/source/blender/imbuf/intern/filetype.c index 548bc9e120c..74042ef75be 100644 --- a/source/blender/imbuf/intern/filetype.c +++ b/source/blender/imbuf/intern/filetype.c @@ -33,6 +33,7 @@ const ImFileType IMB_FILE_TYPES[] = { .is_a = imb_is_a_jpeg, .load = imb_load_jpeg, .load_filepath = NULL, + .load_filepath_thumbnail = imb_thumbnail_jpeg, .save = imb_savejpeg, .load_tile = NULL, .flag = 0, @@ -45,6 +46,7 @@ const ImFileType IMB_FILE_TYPES[] = { .is_a = imb_is_a_png, .load = imb_loadpng, .load_filepath = NULL, + .load_filepath_thumbnail = NULL, .save = imb_savepng, .load_tile = NULL, .flag = 0, @@ -57,6 +59,7 @@ const ImFileType IMB_FILE_TYPES[] = { .is_a = imb_is_a_bmp, .load = imb_bmp_decode, .load_filepath = NULL, + .load_filepath_thumbnail = NULL, .save = imb_savebmp, .load_tile = NULL, .flag = 0, @@ -69,6 +72,7 @@ const ImFileType IMB_FILE_TYPES[] = { .is_a = imb_is_a_targa, .load = imb_loadtarga, .load_filepath = NULL, + .load_filepath_thumbnail = NULL, .save = imb_savetarga, .load_tile = NULL, .flag = 0, @@ -81,6 +85,7 @@ const ImFileType IMB_FILE_TYPES[] = { .is_a = imb_is_a_iris, .load = imb_loadiris, .load_filepath = NULL, + .load_filepath_thumbnail = NULL, .save = imb_saveiris, .load_tile = NULL, .flag = 0, @@ -94,6 +99,7 @@ const ImFileType IMB_FILE_TYPES[] = { .is_a = imb_is_a_dpx, .load = imb_load_dpx, .load_filepath = NULL, + .load_filepath_thumbnail = NULL, .save = imb_save_dpx, .load_tile = NULL, .flag = IM_FTYPE_FLOAT, @@ -106,6 +112,7 @@ const ImFileType IMB_FILE_TYPES[] = { .is_a = imb_is_a_cineon, .load = imb_load_cineon, .load_filepath = NULL, + .load_filepath_thumbnail = NULL, .save = imb_save_cineon, .load_tile = NULL, .flag = IM_FTYPE_FLOAT, @@ -120,6 +127,7 @@ const ImFileType IMB_FILE_TYPES[] = { .is_a = imb_is_a_tiff, .load = imb_loadtiff, .load_filepath = NULL, + .load_filepath_thumbnail = NULL, .save = imb_savetiff, .load_tile = imb_loadtiletiff, .flag = 0, @@ -134,6 +142,7 @@ const ImFileType IMB_FILE_TYPES[] = { .is_a = imb_is_a_hdr, .load = imb_loadhdr, .load_filepath = NULL, + .load_filepath_thumbnail = NULL, .save = imb_savehdr, .load_tile = NULL, .flag = IM_FTYPE_FLOAT, @@ -148,6 +157,7 @@ const ImFileType IMB_FILE_TYPES[] = { .is_a = imb_is_a_openexr, .load = imb_load_openexr, .load_filepath = NULL, + .load_filepath_thumbnail = NULL, .save = imb_save_openexr, .load_tile = NULL, .flag = IM_FTYPE_FLOAT, @@ -162,6 +172,7 @@ const ImFileType IMB_FILE_TYPES[] = { .is_a = imb_is_a_jp2, .load = imb_load_jp2, .load_filepath = NULL, + .load_filepath_thumbnail = NULL, .save = imb_save_jp2, .load_tile = NULL, .flag = IM_FTYPE_FLOAT, @@ -176,6 +187,7 @@ const ImFileType IMB_FILE_TYPES[] = { .is_a = imb_is_a_dds, .load = imb_load_dds, .load_filepath = NULL, + .load_filepath_thumbnail = NULL, .save = NULL, .load_tile = NULL, .flag = 0, @@ -190,6 +202,7 @@ const ImFileType IMB_FILE_TYPES[] = { .is_a = imb_is_a_photoshop, .load = NULL, .load_filepath = imb_load_photoshop, + .load_filepath_thumbnail = NULL, .save = NULL, .load_tile = NULL, .flag = IM_FTYPE_FLOAT, @@ -204,6 +217,7 @@ const ImFileType IMB_FILE_TYPES[] = { .is_a = imb_is_a_webp, .load = imb_loadwebp, .load_filepath = NULL, + .load_filepath_thumbnail = NULL, .save = imb_savewebp, .load_tile = NULL, .flag = 0, @@ -211,7 +225,7 @@ const ImFileType IMB_FILE_TYPES[] = { .default_save_role = COLOR_ROLE_DEFAULT_BYTE, }, #endif - {NULL, NULL, NULL, NULL, NULL, NULL, NULL, 0, 0}, + {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 0, 0, 0}, }; const ImFileType *IMB_FILE_TYPES_LAST = &IMB_FILE_TYPES[ARRAY_SIZE(IMB_FILE_TYPES) - 1]; diff --git a/source/blender/imbuf/intern/jpeg.c b/source/blender/imbuf/intern/jpeg.c index 6fb1fb52153..80fcceb0aa7 100644 --- a/source/blender/imbuf/intern/jpeg.c +++ b/source/blender/imbuf/intern/jpeg.c @@ -39,7 +39,11 @@ static void skip_input_data(j_decompress_ptr cinfo, long num_bytes); static void term_source(j_decompress_ptr cinfo); static void memory_source(j_decompress_ptr cinfo, const unsigned char *buffer, size_t size); static boolean handle_app1(j_decompress_ptr cinfo); -static ImBuf *ibJpegImageFromCinfo(struct jpeg_decompress_struct *cinfo, int flags); +static ImBuf *ibJpegImageFromCinfo(struct jpeg_decompress_struct *cinfo, + int flags, + int max_size, + size_t *r_width, + size_t *r_height); static const uchar jpeg_default_quality = 75; static uchar ibuf_quality; @@ -246,7 +250,11 @@ static boolean handle_app1(j_decompress_ptr cinfo) return true; } -static ImBuf *ibJpegImageFromCinfo(struct jpeg_decompress_struct *cinfo, int flags) +static ImBuf *ibJpegImageFromCinfo(struct jpeg_decompress_struct *cinfo, + int flags, + int max_size, + size_t *r_width, + size_t *r_height) { JSAMPARRAY row_pointer; JSAMPLE *buffer = NULL; @@ -264,16 +272,34 @@ static ImBuf *ibJpegImageFromCinfo(struct jpeg_decompress_struct *cinfo, int fla jpeg_save_markers(cinfo, JPEG_COM, 0xffff); if (jpeg_read_header(cinfo, false) == JPEG_HEADER_OK) { - x = cinfo->image_width; - y = cinfo->image_height; depth = cinfo->num_components; if (cinfo->jpeg_color_space == JCS_YCCK) { cinfo->out_color_space = JCS_CMYK; } + if (r_width) { + *r_width = cinfo->image_width; + } + if (r_height) { + *r_height = cinfo->image_height; + } + + if (max_size > 0) { + /* libjpeg can more quickly decompress while scaling down to 1/2, 1/4, 1/8, + * while libjpeg-turbo can also do 3/8, 5/8, etc. But max is 1/8. */ + float scale = (float)max_size / MAX2(cinfo->image_width, cinfo->image_height); + cinfo->scale_denom = 8; + cinfo->scale_num = max_uu(1, min_uu(8, ceill(scale * (float)cinfo->scale_denom))); + cinfo->dct_method = JDCT_FASTEST; + cinfo->dither_mode = JDITHER_ORDERED; + } + jpeg_start_decompress(cinfo); + x = cinfo->output_width; + y = cinfo->output_height; + if (flags & IB_test) { jpeg_abort_decompress(cinfo); ibuf = IMB_allocImBuf(x, y, 8 * depth, 0); @@ -449,11 +475,92 @@ ImBuf *imb_load_jpeg(const unsigned char *buffer, jpeg_create_decompress(cinfo); memory_source(cinfo, buffer, size); - ibuf = ibJpegImageFromCinfo(cinfo, flags); + ibuf = ibJpegImageFromCinfo(cinfo, flags, -1, NULL, NULL); + + return ibuf; +} + +/* Defines for JPEG Header markers and segment size. */ +#define JPEG_MARKER_MSB (0xFF) +#define JPEG_MARKER_SOI (0xD8) +#define JPEG_MARKER_APP1 (0xE1) +#define JPEG_APP1_MAX (1 << 16) + +struct ImBuf *imb_thumbnail_jpeg(const char *filepath, + const int flags, + const size_t max_thumb_size, + char colorspace[IM_MAX_SPACE], + size_t *r_width, + size_t *r_height) +{ + struct jpeg_decompress_struct _cinfo, *cinfo = &_cinfo; + struct my_error_mgr jerr; + FILE *infile = NULL; + + colorspace_set_default_role(colorspace, IM_MAX_SPACE, COLOR_ROLE_DEFAULT_BYTE); + + cinfo->err = jpeg_std_error(&jerr.pub); + jerr.pub.error_exit = jpeg_error; + + /* Establish the setjmp return context for my_error_exit to use. */ + if (setjmp(jerr.setjmp_buffer)) { + /* If we get here, the JPEG code has signaled an error. + * We need to clean up the JPEG object, close the input file, and return. + */ + jpeg_destroy_decompress(cinfo); + return NULL; + } + + if ((infile = BLI_fopen(filepath, "rb")) == NULL) { + fprintf(stderr, "can't open %s\n", filepath); + return NULL; + } + + /* If file contains an embedded thumbnail, let's return that instead. */ + + if ((fgetc(infile) == JPEG_MARKER_MSB) && (fgetc(infile) == JPEG_MARKER_SOI) && + (fgetc(infile) == JPEG_MARKER_MSB) && (fgetc(infile) == JPEG_MARKER_APP1)) { + /* This is a JPEG in Exif format (SOI + APP1), not JFIF (SOI + APP0). */ + unsigned int i = JPEG_APP1_MAX; + /* All Exif data is within this 64K header segment. Skip ahead until next SOI for thumbnail. */ + while (!((fgetc(infile) == JPEG_MARKER_MSB) && (fgetc(infile) == JPEG_MARKER_SOI)) && + !feof(infile) && i--) + ; + if (i > 0 && !feof(infile)) { + /* We found a JPEG thumbnail inside this image. */ + ImBuf *ibuf = NULL; + uchar *buffer = MEM_callocN(JPEG_APP1_MAX, "thumbbuffer"); + /* Just put SOI directly in buffer rather than seeking back 2 bytes. */ + buffer[0] = JPEG_MARKER_MSB; + buffer[1] = JPEG_MARKER_SOI; + if (fread(buffer + 2, JPEG_APP1_MAX - 2, 1, infile) == 1) { + ibuf = imb_load_jpeg(buffer, JPEG_APP1_MAX, flags, colorspace); + } + MEM_SAFE_FREE(buffer); + if (ibuf) { + fclose(infile); + return ibuf; + } + } + } + + /* No embedded thumbnail found, so let's create a new one. */ + + fseek(infile, 0, SEEK_SET); + jpeg_create_decompress(cinfo); + + jpeg_stdio_src(cinfo, infile); + ImBuf *ibuf = ibJpegImageFromCinfo(cinfo, flags, max_thumb_size, r_width, r_height); + fclose(infile); return ibuf; } +#undef JPEG_MARKER_MSB +#undef JPEG_MARKER_SOI +#undef JPEG_MARKER_APP1 +#undef JPEG_APP1_MAX + static void write_jpeg(struct jpeg_compress_struct *cinfo, struct ImBuf *ibuf) { JSAMPLE *buffer = NULL; diff --git a/source/blender/imbuf/intern/readimage.c b/source/blender/imbuf/intern/readimage.c index df41c0ca757..805a7e8d687 100644 --- a/source/blender/imbuf/intern/readimage.c +++ b/source/blender/imbuf/intern/readimage.c @@ -22,6 +22,8 @@ #include "IMB_filetype.h" #include "IMB_imbuf.h" #include "IMB_imbuf_types.h" +#include "IMB_metadata.h" +#include "IMB_thumbs.h" #include "imbuf.h" #include "IMB_colormanagement.h" @@ -234,6 +236,61 @@ ImBuf *IMB_loadiffname(const char *filepath, int flags, char colorspace[IM_MAX_S return ibuf; } +struct ImBuf *IMB_thumb_load_image(const char *filepath, + size_t max_thumb_size, + char colorspace[IM_MAX_SPACE]) +{ + const ImFileType *type = IMB_file_type_from_ftype(IMB_ispic_type(filepath)); + if (type == NULL) { + return NULL; + } + + ImBuf *ibuf = NULL; + int flags = IB_rect | IB_metadata; + /* Size of the original image. */ + size_t width = 0; + size_t height = 0; + + char effective_colorspace[IM_MAX_SPACE] = ""; + if (colorspace) { + BLI_strncpy(effective_colorspace, colorspace, sizeof(effective_colorspace)); + } + + if (type->load_filepath_thumbnail) { + ibuf = type->load_filepath_thumbnail( + filepath, flags, max_thumb_size, colorspace, &width, &height); + } + else { + /* Skip images of other types if over 100MB. */ + const size_t file_size = BLI_file_size(filepath); + if (file_size != -1 && file_size > THUMB_SIZE_MAX) { + return NULL; + } + ibuf = IMB_loadiffname(filepath, flags, colorspace); + if (ibuf) { + width = ibuf->x; + height = ibuf->y; + } + } + + if (ibuf) { + imb_handle_alpha(ibuf, flags, colorspace, effective_colorspace); + + if (width > 0 && height > 0) { + /* Save dimensions of original image into the thumbnail metadata. */ + char cwidth[40]; + char cheight[40]; + SNPRINTF(cwidth, "%zu", width); + SNPRINTF(cheight, "%zu", height); + IMB_metadata_ensure(&ibuf->metadata); + IMB_metadata_set_field(ibuf->metadata, "Thumb::Image::Width", cwidth); + IMB_metadata_set_field(ibuf->metadata, "Thumb::Image::Height", cheight); + } + } + + return ibuf; +} + ImBuf *IMB_testiffname(const char *filepath, int flags) { ImBuf *ibuf; diff --git a/source/blender/imbuf/intern/thumbs.c b/source/blender/imbuf/intern/thumbs.c index 37734ebacb2..51951aa9605 100644 --- a/source/blender/imbuf/intern/thumbs.c +++ b/source/blender/imbuf/intern/thumbs.c @@ -318,12 +318,8 @@ static ImBuf *thumb_create_ex(const char *file_path, char tpath[FILE_MAX]; char tdir[FILE_MAX]; char temp[FILE_MAX]; - char mtime[40] = "0"; /* in case we can't stat the file */ - char cwidth[40] = "0"; /* in case images have no data */ - char cheight[40] = "0"; + char mtime[40] = "0"; /* in case we can't stat the file */ short tsize = 128; - short ex, ey; - float scaledx, scaledy; BLI_stat_t info; switch (size) { @@ -340,15 +336,6 @@ static ImBuf *thumb_create_ex(const char *file_path, return NULL; /* unknown size */ } - /* exception, skip images over 100mb */ - if (source == THB_SOURCE_IMAGE) { - const size_t file_size = BLI_file_size(file_path); - if (file_size != -1 && file_size > THUMB_SIZE_MAX) { - // printf("file too big: %d, skipping %s\n", (int)size, file_path); - return NULL; - } - } - if (get_thumb_dir(tdir, size)) { BLI_snprintf(tpath, FILE_MAX, "%s%s", tdir, thumb); // thumb[8] = '\0'; /* shorten for tempname, not needed anymore */ @@ -368,7 +355,7 @@ static ImBuf *thumb_create_ex(const char *file_path, if (img == NULL) { switch (source) { case THB_SOURCE_IMAGE: - img = IMB_loadiffname(file_path, IB_rect | IB_metadata, NULL); + img = IMB_thumb_load_image(file_path, tsize, NULL); break; case THB_SOURCE_BLEND: img = IMB_thumb_load_blend(file_path, blen_group, blen_id); @@ -385,8 +372,6 @@ static ImBuf *thumb_create_ex(const char *file_path, if (BLI_stat(file_path, &info) != -1) { BLI_snprintf(mtime, sizeof(mtime), "%ld", (long int)info.st_mtime); } - BLI_snprintf(cwidth, sizeof(cwidth), "%d", img->x); - BLI_snprintf(cheight, sizeof(cheight), "%d", img->y); } } else if (THB_SOURCE_MOVIE == source) { @@ -411,28 +396,20 @@ static ImBuf *thumb_create_ex(const char *file_path, return NULL; } - if (img->x > img->y) { - scaledx = (float)tsize; - scaledy = ((float)img->y / (float)img->x) * tsize; - } - else { - scaledy = (float)tsize; - scaledx = ((float)img->x / (float)img->y) * tsize; - } - /* Scaling down must never assign zero width/height, see: T89868. */ - ex = MAX2(1, (short)scaledx); - ey = MAX2(1, (short)scaledy); - - /* save some time by only scaling byte buf */ - if (img->rect_float) { - if (img->rect == NULL) { - IMB_rect_from_float(img); + if (img->x > tsize || img->y > tsize) { + float scale = MIN2((float)tsize / (float)img->x, (float)tsize / (float)img->y); + /* Scaling down must never assign zero width/height, see: T89868. */ + short ex = MAX2(1, (short)(img->x * scale)); + short ey = MAX2(1, (short)(img->y * scale)); + /* Save some time by only scaling byte buf */ + if (img->rect_float) { + if (img->rect == NULL) { + IMB_rect_from_float(img); + } + imb_freerectfloatImBuf(img); } - - imb_freerectfloatImBuf(img); + IMB_scaleImBuf(img, ex, ey); } - - IMB_scaleImBuf(img, ex, ey); } BLI_snprintf(desc, sizeof(desc), "Thumbnail for %s", uri); IMB_metadata_ensure(&img->metadata); @@ -443,10 +420,6 @@ static ImBuf *thumb_create_ex(const char *file_path, if (use_hash) { IMB_metadata_set_field(img->metadata, "X-Blender::Hash", hash); } - if (ELEM(source, THB_SOURCE_IMAGE, THB_SOURCE_BLEND, THB_SOURCE_FONT)) { - IMB_metadata_set_field(img->metadata, "Thumb::Image::Width", cwidth); - IMB_metadata_set_field(img->metadata, "Thumb::Image::Height", cheight); - } img->ftype = IMB_FTYPE_PNG; img->planes = 32; |