forked from enlightenment/efl
parent
4e29867a30
commit
8b22f52e80
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@ -22,29 +22,53 @@ static Evas_Image_Load_Func evas_image_load_ico_func =
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NULL
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};
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static int
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read_ushort(FILE *file, unsigned short *ret)
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static Eina_Bool
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read_ushort(unsigned char *map, size_t length, size_t *position, unsigned short *ret)
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{
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unsigned char b[2];
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if (fread(b, sizeof(unsigned char), 2, file) != 2) return 0;
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if (*position + 2 > length) return EINA_FALSE;
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b[0] = map[(*position)++];
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b[1] = map[(*position)++];
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*ret = (b[1] << 8) | b[0];
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return 1;
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return EINA_TRUE;
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}
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static int
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read_uint(FILE *file, unsigned int *ret)
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static Eina_Bool
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read_uint(unsigned char *map, size_t length, size_t *position, unsigned int *ret)
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{
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unsigned char b[4];
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if (fread(b, sizeof(unsigned char), 4, file) != 4) return 0;
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unsigned char b[4];
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unsigned int i;
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if (*position + 4 > length) return EINA_FALSE;
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for (i = 0; i < 4; i++)
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b[i] = map[(*position)++];
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*ret = ARGB_JOIN(b[3], b[2], b[1], b[0]);
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return 1;
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return EINA_TRUE;
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}
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static Eina_Bool
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read_uchar(unsigned char *map, size_t length, size_t *position, unsigned char *ret)
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{
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if (*position + 1 > length) return EINA_FALSE;
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*ret = map[(*position)++];
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return EINA_TRUE;
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}
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static Eina_Bool
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read_mem(unsigned char *map, size_t length, size_t *position, void *buffer, int size)
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{
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if (*position + size > length) return EINA_FALSE;
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memcpy(buffer, map + *position, size);
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*position += size;
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return EINA_TRUE;
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}
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enum
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{
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SMALLEST,
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BIGGEST,
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SMALLER,
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SMALLEST,
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BIGGEST,
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SMALLER,
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BIGGER
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};
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@ -57,9 +81,11 @@ enum
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static Eina_Bool
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evas_image_load_file_head_ico(Image_Entry *ie, const char *file, const char *key, int *error)
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{
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Eina_File *f;
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void *map = NULL;
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size_t position = 0;
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unsigned short word;
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unsigned char byte;
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FILE *f;
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int wanted_w = 0, wanted_h = 0, w, h, cols, i, planes = 0,
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hot_x = 0, hot_y = 0, bpp = 0, pdelta, search = -1, have_choice = 0,
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hasa = 1;
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@ -74,7 +100,7 @@ evas_image_load_file_head_ico(Image_Entry *ie, const char *file, const char *key
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unsigned int bmoffset, bmsize;
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} chosen = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
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f = fopen(file, "rb");
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f = eina_file_open(file, EINA_FILE_SEQUENTIAL);
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if (!f)
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{
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*error = EVAS_LOAD_ERROR_DOES_NOT_EXIST;
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@ -82,16 +108,14 @@ evas_image_load_file_head_ico(Image_Entry *ie, const char *file, const char *key
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}
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*error = EVAS_LOAD_ERROR_UNKNOWN_FORMAT;
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fseek(f, 0, SEEK_END);
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fsize = ftell(f);
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fseek(f, 0, SEEK_SET);
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fsize = eina_file_size_get(f);
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if (fsize < (6 + 16 + 40)) goto close_file;
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// key:
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// NULL == highest res
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// biggest == highest res
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// smallest == lowest res
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//
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//
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// smaller == next size SMALLER than load opts WxH (if possible)
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// bigger == next size BIGGER than load opts WxH (if possible)
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// more ?
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@ -103,10 +127,10 @@ evas_image_load_file_head_ico(Image_Entry *ie, const char *file, const char *key
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wanted_h = ie->load_opts.h;
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search = SMALLER;
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}
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if (!read_ushort(f, &reserved)) goto close_file;
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if (!read_ushort(f, &type)) goto close_file;
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if (!read_ushort(f, &count)) goto close_file;
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if (!read_ushort(map, fsize, &position, &reserved)) goto close_file;
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if (!read_ushort(map, fsize, &position, &type)) goto close_file;
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if (!read_ushort(map, fsize, &position, &count)) goto close_file;
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if (!((reserved == 0) &&
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((type == ICON) || (type == CURSOR)) && (count > 0)))
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goto close_file;
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@ -141,24 +165,21 @@ evas_image_load_file_head_ico(Image_Entry *ie, const char *file, const char *key
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}
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for (i = 0; i < count; i++)
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{
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if (fread(&byte, 1, 1, f) != 1) goto close_file;
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w = byte;
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if (!read_uchar(map, fsize, &position, ((unsigned char *)&w))) goto close_file;
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if (w <= 0) w = 256;
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if (fread(&byte, 1, 1, f) != 1) goto close_file;
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h = byte;
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if (!read_uchar(map, fsize, &position, ((unsigned char *)&h))) goto close_file;
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if (h <= 0) h = 256;
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if (fread(&byte, 1, 1, f) != 1) goto close_file;
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cols = byte;
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if (!read_uchar(map, fsize, &position, ((unsigned char *)&cols))) goto close_file;
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if (cols <= 0) cols = 256;
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if (fread(&byte, 1, 1, f) != 1) goto close_file;
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if (!read_ushort(f, &word)) goto close_file;
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if (!read_uchar(map, fsize, &position, &byte)) goto close_file;
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if (!read_ushort(map, fsize, &position, &word)) goto close_file;
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if (type == CURSOR) planes = word;
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else hot_x = word;
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if (!read_ushort(f, &word)) goto close_file;
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if (!read_ushort(map, fsize, &position, &word)) goto close_file;
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if (type == CURSOR) bpp = word;
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else hot_y = word;
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if (!read_uint(f, &bmsize)) goto close_file;
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if (!read_uint(f, &bmoffset)) goto close_file;
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if (!read_uint(map, fsize, &position, &bmsize)) goto close_file;
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if (!read_uint(map, fsize, &position, &bmoffset)) goto close_file;
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if ((bmsize <= 0) || (bmoffset <= 0) || (bmoffset >= fsize)) goto close_file;
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if (search == BIGGEST)
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{
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@ -245,7 +266,7 @@ evas_image_load_file_head_ico(Image_Entry *ie, const char *file, const char *key
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}
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}
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if (chosen.bmoffset == 0) goto close_file;
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if (fseek(f, chosen.bmoffset, SEEK_SET) != 0) goto close_file;
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position = chosen.bmoffset;
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w = chosen.w;
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h = chosen.h;
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@ -263,23 +284,28 @@ evas_image_load_file_head_ico(Image_Entry *ie, const char *file, const char *key
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ie->w = w;
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ie->h = h;
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if (hasa) ie->flags.alpha = 1;
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fclose(f);
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eina_file_map_free(f, map);
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eina_file_close(f);
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*error = EVAS_LOAD_ERROR_NONE;
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return EINA_TRUE;
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close_file:
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fclose(f);
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if (map) eina_file_map_free(f, map);
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eina_file_close(f);
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return EINA_FALSE;
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}
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static Eina_Bool
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evas_image_load_file_data_ico(Image_Entry *ie, const char *file, const char *key, int *error)
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{
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Eina_File *f;
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void *map = NULL;
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size_t position = 0;
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unsigned short word;
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unsigned char byte;
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unsigned int dword;
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FILE *f;
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int wanted_w = 0, wanted_h = 0, w, h, cols, i, planes = 0,
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hot_x = 0, hot_y = 0, bpp = 0, pdelta, search = -1, have_choice = 0,
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stride, pstride, j, right_way_up = 0, diff_size = 0, cols2;
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unsigned int bmoffset, bmsize;
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} chosen = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
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f = fopen(file, "rb");
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f = eina_file_open(file, EINA_FILE_SEQUENTIAL);
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if (!f)
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{
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*error = EVAS_LOAD_ERROR_DOES_NOT_EXIST;
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}
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*error = EVAS_LOAD_ERROR_UNKNOWN_FORMAT;
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fseek(f, 0, SEEK_END);
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fsize = ftell(f);
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fseek(f, 0, SEEK_SET);
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fsize = eina_file_size_get(f);
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if (fsize < (6 + 16 + 40)) goto close_file;
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// key:
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wanted_h = ie->load_opts.h;
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search = SMALLER;
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}
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if (!read_ushort(f, &reserved)) goto close_file;
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if (!read_ushort(f, &type)) goto close_file;
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if (!read_ushort(f, &count)) goto close_file;
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if (!((reserved == 0) &&
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if (!read_ushort(map, fsize, &position, &reserved)) goto close_file;
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if (!read_ushort(map, fsize, &position, &type)) goto close_file;
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if (!read_ushort(map, fsize, &position, &count)) goto close_file;
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if (!((reserved == 0) &&
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((type == ICON) || (type == CURSOR)) && (count > 0)))
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goto close_file;
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*error = EVAS_LOAD_ERROR_CORRUPT_FILE;
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}
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for (i = 0; i < count; i++)
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{
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if (fread(&byte, 1, 1, f) != 1) goto close_file;
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w = byte;
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if (!read_uchar(map, fsize, &position, ((unsigned char *)&w))) goto close_file;
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if (w <= 0) w = 256;
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if (fread(&byte, 1, 1, f) != 1) goto close_file;
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h = byte;
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if (!read_uchar(map, fsize, &position, ((unsigned char *)&h))) goto close_file;
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if (h <= 0) h = 256;
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if (fread(&byte, 1, 1, f) != 1) goto close_file;
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cols = byte;
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if (!read_uchar(map, fsize, &position, ((unsigned char *)&cols))) goto close_file;
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if (cols <= 0) cols = 256;
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if (fread(&byte, 1, 1, f) != 1) goto close_file;
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if (!read_ushort(f, &word)) goto close_file;
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if (!read_uchar(map, fsize, &position, &byte)) goto close_file;
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if (!read_ushort(map, fsize, &position, &word)) goto close_file;
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if (type == 1) planes = word;
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else hot_x = word;
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if (!read_ushort(f, &word)) goto close_file;
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if (!read_ushort(map, fsize, &position, &word)) goto close_file;
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if (type == 1) bpp = word;
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else hot_y = word;
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if (!read_uint(f, &bmsize)) goto close_file;
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if (!read_uint(f, &bmoffset)) goto close_file;
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if (!read_uint(map, fsize, &position, &bmsize)) goto close_file;
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if (!read_uint(map, fsize, &position, &bmoffset)) goto close_file;
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if ((bmsize <= 0) || (bmoffset <= 0) || (bmoffset >= fsize)) goto close_file;
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if (search == BIGGEST)
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{
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@ -467,7 +488,7 @@ evas_image_load_file_data_ico(Image_Entry *ie, const char *file, const char *key
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}
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}
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if (chosen.bmoffset == 0) goto close_file;
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if (fseek(f, chosen.bmoffset, SEEK_SET) != 0) goto close_file;
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position = chosen.bmoffset;
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w = chosen.w;
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h = chosen.h;
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@ -477,8 +498,8 @@ evas_image_load_file_data_ico(Image_Entry *ie, const char *file, const char *key
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if (((int)ie->w != w) || ((int)ie->h != h)) goto close_file;
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// read bmp header time... let's do some checking
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if (!read_uint(f, &dword)) goto close_file; // headersize - dont care
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if (!read_uint(f, &dword)) goto close_file; // width
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if (!read_uint(map, fsize, &position, &dword)) goto close_file; // headersize - dont care
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if (!read_uint(map, fsize, &position, &dword)) goto close_file; // width
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if (dword > 0)
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{
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if ((int)dword != w)
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@ -487,7 +508,7 @@ evas_image_load_file_data_ico(Image_Entry *ie, const char *file, const char *key
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diff_size = 1;
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}
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}
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if (!read_uint(f, &dword)) goto close_file; // height
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if (!read_uint(map, fsize, &position, &dword)) goto close_file; // height
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if (dword > 0)
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{
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if ((int)dword != (h * 2))
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@ -503,19 +524,19 @@ evas_image_load_file_data_ico(Image_Entry *ie, const char *file, const char *key
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" May be expanded or cropped.",
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file, ie->w, ie->h, w, h);
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}
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if (!read_ushort(f, &word)) goto close_file; // planes
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if (!read_ushort(map, fsize, &position, &word)) goto close_file; // planes
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planes2 = word;
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if (!read_ushort(f, &word)) goto close_file; // bitcount
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if (!read_ushort(map, fsize, &position, &word)) goto close_file; // bitcount
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bitcount = word;
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if (!read_uint(f, &dword)) goto close_file; // compression
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if (!read_uint(map, fsize, &position, &dword)) goto close_file; // compression
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compression = dword;
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if (!read_uint(f, &dword)) goto close_file; // imagesize
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if (!read_uint(map, fsize, &position, &dword)) goto close_file; // imagesize
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imagesize = dword;
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if (!read_uint(f, &dword)) goto close_file; // z pixels per m
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if (!read_uint(f, &dword)) goto close_file; // y pizels per m
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if (!read_uint(f, &dword)) goto close_file; // colors used
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if (!read_uint(map, fsize, &position, &dword)) goto close_file; // z pixels per m
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if (!read_uint(map, fsize, &position, &dword)) goto close_file; // y pizels per m
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if (!read_uint(map, fsize, &position, &dword)) goto close_file; // colors used
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colorsused = dword;
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if (!read_uint(f, &dword)) goto close_file; // colors important
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if (!read_uint(map, fsize, &position, &dword)) goto close_file; // colors important
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colorsimportant = dword;
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evas_cache_image_surface_alloc(ie, ie->w, ie->h);
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@ -545,11 +566,11 @@ evas_image_load_file_data_ico(Image_Entry *ie, const char *file, const char *key
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for (i = 0; i < cols; i++)
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{
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unsigned char a, r, g, b;
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if (fread(&b, 1, 1, f) != 1) goto close_file;
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if (fread(&g, 1, 1, f) != 1) goto close_file;
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if (fread(&r, 1, 1, f) != 1) goto close_file;
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if (fread(&a, 1, 1, f) != 1) goto close_file;
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if (!read_uchar(map, fsize, &position, &b)) goto close_file;
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if (!read_uchar(map, fsize, &position, &g)) goto close_file;
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if (!read_uchar(map, fsize, &position, &r)) goto close_file;
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if (!read_uchar(map, fsize, &position, &a)) goto close_file;
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a = 0xff;
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pal[i] = ARGB_JOIN(a, r, g, b);
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}
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@ -563,7 +584,7 @@ evas_image_load_file_data_ico(Image_Entry *ie, const char *file, const char *key
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{
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pix = surface + (i * ie->w);
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if (!right_way_up) pix = surface + ((ie->h - 1 - i) * ie->w);
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if (fread(pixbuf, pstride, 1, f) != 1) goto close_file;
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if (!read_mem(map, fsize, &position, pixbuf, pstride)) goto close_file;
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p = pixbuf;
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if (i >= (int)ie->h) continue;
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for (j = 0; j < w; j++)
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@ -613,7 +634,7 @@ evas_image_load_file_data_ico(Image_Entry *ie, const char *file, const char *key
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{
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pix = surface + (i * ie->w);
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if (!right_way_up) pix = surface + ((ie->h - 1 - i) * ie->w);
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if (fread(pixbuf, pstride, 1, f) != 1) goto close_file;
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if (!read_mem(map, fsize, &position, pixbuf, pstride)) goto close_file;
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p = pixbuf;
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if (i >= (int)ie->h) continue;
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for (j = 0; j < w; j++)
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@ -639,7 +660,7 @@ evas_image_load_file_data_ico(Image_Entry *ie, const char *file, const char *key
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{
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pix = surface + (i * ie->w);
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if (!right_way_up) pix = surface + ((ie->h - 1 - i) * ie->w);
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if (fread(pixbuf, pstride, 1, f) != 1) goto close_file;
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if (!read_mem(map, fsize, &position, pixbuf, pstride)) goto close_file;
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p = pixbuf;
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if (i >= (int)ie->h) continue;
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for (j = 0; j < w; j++)
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@ -658,13 +679,13 @@ evas_image_load_file_data_ico(Image_Entry *ie, const char *file, const char *key
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{
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pix = surface + (i * ie->w);
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if (!right_way_up) pix = surface + ((ie->h - 1 - i) * ie->w);
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if (fread(pixbuf, pstride, 1, f) != 1) goto close_file;
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||||
if (!read_mem(map, fsize, &position, pixbuf, pstride)) goto close_file;
|
||||
p = pixbuf;
|
||||
if (i >= (int)ie->h) continue;
|
||||
for (j = 0; j < w; j++)
|
||||
{
|
||||
unsigned char a, r, g, b;
|
||||
|
||||
|
||||
if (j >= (int)ie->w) break;
|
||||
b = p[0];
|
||||
g = p[1];
|
||||
|
@ -683,13 +704,13 @@ evas_image_load_file_data_ico(Image_Entry *ie, const char *file, const char *key
|
|||
{
|
||||
pix = surface + (i * ie->w);
|
||||
if (!right_way_up) pix = surface + ((ie->h - 1 - i) * ie->w);
|
||||
if (fread(pixbuf, pstride, 1, f) != 1) goto close_file;
|
||||
if (!read_mem(map, fsize, &position, pixbuf, pstride)) goto close_file;
|
||||
p = pixbuf;
|
||||
if (i >= (int)ie->h) continue;
|
||||
for (j = 0; j < w; j++)
|
||||
{
|
||||
unsigned char a, r, g, b;
|
||||
|
||||
|
||||
if (j >= (int)ie->w) break;
|
||||
b = p[0];
|
||||
g = p[1];
|
||||
|
@ -704,13 +725,13 @@ evas_image_load_file_data_ico(Image_Entry *ie, const char *file, const char *key
|
|||
}
|
||||
if (!none_zero_alpha)
|
||||
{
|
||||
if (fread(maskbuf, stride * 4 * h, 1, f) != 1) goto close_file;
|
||||
if (!read_mem(map, fsize, &position, maskbuf, stride * 4 * h)) goto close_file;
|
||||
// apply mask
|
||||
pix = surface;
|
||||
for (i = 0; i < h; i++)
|
||||
{
|
||||
unsigned char *m;
|
||||
|
||||
|
||||
pix = surface + (i * ie->w);
|
||||
if (!right_way_up) pix = surface + ((ie->h - 1 - i) * ie->w);
|
||||
m = maskbuf + (stride * i * 4);
|
||||
|
@ -727,15 +748,17 @@ evas_image_load_file_data_ico(Image_Entry *ie, const char *file, const char *key
|
|||
}
|
||||
}
|
||||
}
|
||||
|
||||
fclose(f);
|
||||
|
||||
|
||||
eina_file_map_free(map, f);
|
||||
eina_file_close(f);
|
||||
|
||||
evas_common_image_premul(ie);
|
||||
*error = EVAS_LOAD_ERROR_NONE;
|
||||
return EINA_TRUE;
|
||||
|
||||
close_file:
|
||||
fclose(f);
|
||||
if (map) eina_file_map_free(map, f);
|
||||
eina_file_close(f);
|
||||
return EINA_FALSE;
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in New Issue