text-freetype2: Split find-font-windows.c
This moves font-finding code that can be shared to find-font.c.
This commit is contained in:
jp9000
parent
25fa0c0fd7
commit
53b0d9d16f
@ -8,6 +8,7 @@ endif()
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if(WIN32)
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set(text-freetype2_PLATFORM_SOURCES
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find-font.c
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find-font-windows.c)
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else()
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find_package(Fontconfig QUIET)
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@ -1,5 +1,3 @@
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#include <ctype.h>
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#include <obs.h>
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#include <util/dstr.h>
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#include <util/darray.h>
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#include "find-font.h"
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@ -10,7 +8,7 @@
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#include <shellapi.h>
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#include <shlobj.h>
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DARRAY(struct font_path_info) font_list;
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extern DARRAY(struct font_path_info) font_list;
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struct mac_font_mapping {
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unsigned short encoding_id;
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@ -157,7 +155,7 @@ static char *convert_utf16_be_to_utf8(FT_SfntName *sfnt_name)
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return utf8_str;
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}
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static char *sfnt_name_to_utf8(FT_SfntName *sfnt_name)
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char *sfnt_name_to_utf8(FT_SfntName *sfnt_name)
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{
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unsigned int code_page = get_code_page_for_font(
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sfnt_name->platform_id,
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@ -192,122 +190,6 @@ static char *sfnt_name_to_utf8(FT_SfntName *sfnt_name)
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return utf8_str;
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}
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static void create_bitmap_sizes(struct font_path_info *info, FT_Face face)
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{
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DARRAY(int) sizes;
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if (!info->is_bitmap) {
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info->num_sizes = 0;
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info->sizes = NULL;
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return;
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}
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da_init(sizes);
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da_reserve(sizes, face->num_fixed_sizes);
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for (int i = 0; i < face->num_fixed_sizes; i++) {
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int val = face->available_sizes[i].size >> 6;
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da_push_back(sizes, &val);
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}
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info->sizes = sizes.array;
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info->num_sizes = face->num_fixed_sizes;
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}
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static void add_font_path(FT_Face face,
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FT_Long idx,
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const char *family_in,
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const char *style_in,
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const char *path)
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{
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if (!family_in || !style_in || !path)
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return;
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struct dstr face_and_style = {0};
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struct font_path_info info;
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dstr_copy(&face_and_style, family_in);
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if (face->style_name) {
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struct dstr style = {0};
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dstr_copy(&style, style_in);
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dstr_replace(&style, "Bold", "");
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dstr_replace(&style, "Italic", "");
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dstr_replace(&style, " ", " ");
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dstr_depad(&style);
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if (!dstr_is_empty(&style)) {
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dstr_cat(&face_and_style, " ");
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dstr_cat_dstr(&face_and_style, &style);
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}
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dstr_free(&style);
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}
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info.face_and_style = face_and_style.array;
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info.full_len = face_and_style.len;
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info.face_len = strlen(family_in);
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info.is_bitmap = !!(face->face_flags & FT_FACE_FLAG_FIXED_SIZES);
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info.bold = !!(face->style_flags & FT_STYLE_FLAG_BOLD);
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info.italic = !!(face->style_flags & FT_STYLE_FLAG_ITALIC);
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info.index = idx;
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info.path = bstrdup(path);
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create_bitmap_sizes(&info, face);
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da_push_back(font_list, &info);
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/*blog(LOG_DEBUG, "name: %s\n\tstyle: %s\n\tpath: %s\n",
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family_in,
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style_in,
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path);*/
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}
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static void build_font_path_info(FT_Face face, FT_Long idx, const char *path)
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{
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FT_UInt num_names = FT_Get_Sfnt_Name_Count(face);
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DARRAY(char*) family_names;
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da_init(family_names);
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da_push_back(family_names, &face->family_name);
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for (FT_UInt i = 0; i < num_names; i++) {
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FT_SfntName name;
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char *family;
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FT_Error ret = FT_Get_Sfnt_Name(face, i, &name);
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if (ret != 0 || name.name_id != TT_NAME_ID_FONT_FAMILY)
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continue;
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family = sfnt_name_to_utf8(&name);
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if (!family)
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continue;
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for (size_t i = 0; i < family_names.num; i++) {
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if (astrcmpi(family_names.array[i], family) == 0) {
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bfree(family);
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family = NULL;
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break;
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}
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}
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if (family)
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da_push_back(family_names, &family);
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}
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for (size_t i = 0; i < family_names.num; i++) {
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add_font_path(face, idx, family_names.array[i],
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face->style_name, path);
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/* first item isn't our allocation */
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if (i > 0)
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bfree(family_names.array[i]);
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}
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da_free(family_names);
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}
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void load_os_font_list(void)
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{
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struct dstr path = {0};
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@ -364,87 +246,3 @@ void load_os_font_list(void)
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free_string:
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dstr_free(&path);
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}
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void free_os_font_list(void)
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{
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for (size_t i = 0; i < font_list.num; i++)
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font_path_info_free(font_list.array + i);
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da_free(font_list);
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}
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static inline size_t get_rating(struct font_path_info *info, struct dstr *cmp)
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{
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const char *src = info->face_and_style;
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const char *dst = cmp->array;
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size_t num = 0;
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do {
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char ch1 = (char)toupper(*src);
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char ch2 = (char)toupper(*dst);
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if (ch1 != ch2)
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break;
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num++;
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} while (*src++ && *dst++);
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return num;
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}
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const char *get_font_path(const char *family, uint16_t size, const char *style,
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uint32_t flags, FT_Long *idx)
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{
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const char *best_path = NULL;
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double best_rating = 0.0;
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struct dstr face_and_style = {0};
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struct dstr style_str = {0};
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bool bold = !!(flags & OBS_FONT_BOLD);
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bool italic = !!(flags & OBS_FONT_ITALIC);
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if (!family)
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return NULL;
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dstr_copy(&style_str, style);
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dstr_replace(&style_str, "Bold", "");
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dstr_replace(&style_str, "Italic", "");
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dstr_replace(&style_str, " ", " ");
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dstr_depad(&style_str);
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dstr_copy(&face_and_style, family);
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if (!dstr_is_empty(&style_str)) {
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dstr_cat(&face_and_style, " ");
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dstr_cat_dstr(&face_and_style, &style_str);
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}
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for (size_t i = 0; i < font_list.num; i++) {
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struct font_path_info *info = font_list.array + i;
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double rating = (double)get_rating(info, &face_and_style);
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if (rating < info->face_len)
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continue;
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if (info->is_bitmap) {
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int best_diff = 1000;
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for (size_t j = 0; j < info->num_sizes; j++) {
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int diff = abs(info->sizes[j] - size);
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if (diff < best_diff)
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best_diff = diff;
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}
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rating /= (double)(best_diff + 1.0);
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}
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if (info->bold == bold) rating += 1.0;
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if (info->italic == italic) rating += 1.0;
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if (rating > best_rating) {
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best_path = info->path;
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*idx = info->index;
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best_rating = rating;
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}
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}
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dstr_free(&style_str);
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dstr_free(&face_and_style);
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return best_path;
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}
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202
plugins/text-freetype2/find-font.c
Normal file
202
plugins/text-freetype2/find-font.c
Normal file
@ -0,0 +1,202 @@
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#include <ctype.h>
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#include <obs.h>
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#include "find-font.h"
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DARRAY(struct font_path_info) font_list;
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static void create_bitmap_sizes(struct font_path_info *info, FT_Face face)
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{
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DARRAY(int) sizes;
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if (!info->is_bitmap) {
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info->num_sizes = 0;
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info->sizes = NULL;
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return;
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}
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da_init(sizes);
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da_reserve(sizes, face->num_fixed_sizes);
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for (int i = 0; i < face->num_fixed_sizes; i++) {
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int val = face->available_sizes[i].size >> 6;
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da_push_back(sizes, &val);
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}
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info->sizes = sizes.array;
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info->num_sizes = face->num_fixed_sizes;
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}
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static void add_font_path(FT_Face face,
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FT_Long idx,
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const char *family_in,
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const char *style_in,
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const char *path)
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{
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struct dstr face_and_style = {0};
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struct font_path_info info;
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dstr_copy(&face_and_style, family_in);
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if (face->style_name) {
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struct dstr style = {0};
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dstr_copy(&style, style_in);
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dstr_replace(&style, "Bold", "");
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dstr_replace(&style, "Italic", "");
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dstr_replace(&style, " ", " ");
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dstr_depad(&style);
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if (!dstr_is_empty(&style)) {
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dstr_cat(&face_and_style, " ");
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dstr_cat_dstr(&face_and_style, &style);
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}
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dstr_free(&style);
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}
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info.face_and_style = face_and_style.array;
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info.full_len = face_and_style.len;
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info.face_len = strlen(family_in);
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info.is_bitmap = !!(face->face_flags & FT_FACE_FLAG_FIXED_SIZES);
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info.bold = !!(face->style_flags & FT_STYLE_FLAG_BOLD);
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info.italic = !!(face->style_flags & FT_STYLE_FLAG_ITALIC);
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info.index = idx;
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info.path = bstrdup(path);
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create_bitmap_sizes(&info, face);
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da_push_back(font_list, &info);
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/*blog(LOG_DEBUG, "name: %s\n\tstyle: %s\n\tpath: %s\n",
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family_in,
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style_in,
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path);*/
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}
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void build_font_path_info(FT_Face face, FT_Long idx, const char *path)
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{
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FT_UInt num_names = FT_Get_Sfnt_Name_Count(face);
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DARRAY(char*) family_names;
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da_init(family_names);
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da_push_back(family_names, &face->family_name);
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for (FT_UInt i = 0; i < num_names; i++) {
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FT_SfntName name;
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char *family;
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FT_Error ret = FT_Get_Sfnt_Name(face, i, &name);
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if (ret != 0 || name.name_id != TT_NAME_ID_FONT_FAMILY)
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continue;
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family = sfnt_name_to_utf8(&name);
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if (!family)
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continue;
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for (size_t i = 0; i < family_names.num; i++) {
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if (astrcmpi(family_names.array[i], family) == 0) {
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bfree(family);
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family = NULL;
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break;
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}
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}
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if (family)
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da_push_back(family_names, &family);
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}
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for (size_t i = 0; i < family_names.num; i++) {
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add_font_path(face, idx, family_names.array[i],
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face->style_name, path);
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/* first item isn't our allocation */
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if (i > 0)
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bfree(family_names.array[i]);
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}
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da_free(family_names);
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}
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void free_os_font_list(void)
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{
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for (size_t i = 0; i < font_list.num; i++)
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font_path_info_free(font_list.array + i);
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da_free(font_list);
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}
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static inline size_t get_rating(struct font_path_info *info, struct dstr *cmp)
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{
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const char *src = info->face_and_style;
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const char *dst = cmp->array;
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size_t num = 0;
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do {
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char ch1 = (char)toupper(*src);
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char ch2 = (char)toupper(*dst);
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if (ch1 != ch2)
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break;
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num++;
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} while (*src++ && *dst++);
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return num;
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}
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const char *get_font_path(const char *family, uint16_t size, const char *style,
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uint32_t flags, FT_Long *idx)
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{
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const char *best_path = NULL;
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double best_rating = 0.0;
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struct dstr face_and_style = {0};
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struct dstr style_str = {0};
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bool bold = !!(flags & OBS_FONT_BOLD);
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bool italic = !!(flags & OBS_FONT_ITALIC);
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if (!family)
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return NULL;
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dstr_copy(&style_str, style);
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dstr_replace(&style_str, "Bold", "");
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dstr_replace(&style_str, "Italic", "");
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dstr_replace(&style_str, " ", " ");
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dstr_depad(&style_str);
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dstr_copy(&face_and_style, family);
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if (!dstr_is_empty(&style_str)) {
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dstr_cat(&face_and_style, " ");
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dstr_cat_dstr(&face_and_style, &style_str);
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}
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for (size_t i = 0; i < font_list.num; i++) {
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struct font_path_info *info = font_list.array + i;
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double rating = (double)get_rating(info, &face_and_style);
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if (rating < info->face_len)
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continue;
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if (info->is_bitmap) {
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int best_diff = 1000;
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for (size_t j = 0; j < info->num_sizes; j++) {
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int diff = abs(info->sizes[j] - size);
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if (diff < best_diff)
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best_diff = diff;
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}
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rating /= (double)(best_diff + 1.0);
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}
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if (info->bold == bold) rating += 1.0;
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if (info->italic == italic) rating += 1.0;
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if (rating > best_rating) {
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best_path = info->path;
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*idx = info->index;
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best_rating = rating;
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}
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}
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dstr_free(&style_str);
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dstr_free(&face_and_style);
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return best_path;
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}
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