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Got bold and italics up and running on Linux

This commit is contained in:
Allen Webster 2017-11-20 13:25:12 -05:00
parent 16c002fe7c
commit 2017068cbf
1 changed files with 129 additions and 3 deletions
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132
platform_linux/linux_4ed.cpp
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@ -465,22 +465,148 @@ global u32 system_font_method = SystemFontMethod_FilePath;
#include <fontconfig/fontconfig.h> #include <fontconfig/fontconfig.h>
#define internal static #define internal static
global FcConfig *fc_config = 0;
internal internal
Sys_Font_Path(name, parameters){ Sys_Font_Path(name, parameters){
// TODO(allen) if (fc_config == 0){
fc_config = FcInitLoadConfigAndFonts();
}
Font_Path path = {0};
FcPattern *pattern_regular = FcPatternBuild(
0,
FC_POSTSCRIPT_NAME, FcTypeString, name,
FC_SIZE, FcTypeDouble, (double)parameters->pt_size,
FC_FONTFORMAT, FcTypeString, "TrueType",
FC_STYLE, FcTypeString, (FcChar8*)"Regular",
(void*)0);
FcPattern *pattern_styled = 0;
if (parameters->italics || parameters->bold){
if (parameters->italics && !parameters->bold){
pattern_styled = FcPatternBuild(
0,
FC_POSTSCRIPT_NAME, FcTypeString, name,
FC_SIZE, FcTypeDouble, (double)parameters->pt_size,
FC_FONTFORMAT, FcTypeString, "TrueType",
FC_STYLE, FcTypeString, (FcChar8*)"Italic",
(void*)0);
}
else if (!parameters->italics && parameters->bold){
pattern_styled = FcPatternBuild(
0,
FC_POSTSCRIPT_NAME, FcTypeString, name,
FC_SIZE, FcTypeDouble, (double)parameters->pt_size,
FC_FONTFORMAT, FcTypeString, "TrueType",
FC_STYLE, FcTypeString, (FcChar8*)"Bold",
(void*)0);
}
else{
pattern_styled = FcPatternBuild(
0,
FC_POSTSCRIPT_NAME, FcTypeString, name,
FC_SIZE, FcTypeDouble, (double)parameters->pt_size,
FC_FONTFORMAT, FcTypeString, "TrueType",
FC_STYLE, FcTypeString, (FcChar8*)"Bold Italic",
(void*)0);
}
}
b32 got_font = false;
if (pattern_styled != 0){
if (FcConfigSubstitute(fc_config, pattern_styled, FcMatchPattern)){
FcDefaultSubstitute(pattern_styled);
FcResult res;
FcPattern *font = FcFontMatch(fc_config, pattern_styled, &res);
FcChar8 *filename = 0;
if (font != 0){
FcPatternGetString(font, FC_FILE, 0, &filename);
if (filename != 0){
Partition *part = &shared_vars.font_scratch;
path.temp = begin_temp_memory(part);
i32 len = str_size((char*)filename);
char *buffer = push_array(part, char, len + 1);
if (buffer == 0){
sysshared_partition_grow(part, l_round_up_i32(len + 1, KB(4)));
buffer = push_array(part, char, len + 1);
}
if (buffer != 0){
push_align(part, 8);
memcpy(buffer, filename, len + 1);
path.len = len;
path.name = buffer;
}
got_font = true;
}
FcPatternDestroy(font);
}
}
FcPatternDestroy(pattern_styled);
pattern_styled = 0;
}
if (!got_font){
if (FcConfigSubstitute(fc_config, pattern_regular, FcMatchPattern)){
FcDefaultSubstitute(pattern_regular);
FcResult res;
FcPattern *font = FcFontMatch(fc_config, pattern_regular, &res);
FcChar8 *filename = 0;
if (font != 0){
FcPatternGetString(font, FC_FILE, 0, &filename);
if (filename != 0){
Partition *part = &shared_vars.font_scratch;
path.temp = begin_temp_memory(part);
i32 len = str_size((char*)filename);
char *buffer = push_array(part, char, len + 1);
if (buffer == 0){
sysshared_partition_grow(part, l_round_up_i32(len + 1, KB(4)));
buffer = push_array(part, char, len + 1);
}
if (buffer != 0){
push_align(part, 8);
memcpy(buffer, filename, len + 1);
path.len = len;
path.name = buffer;
}
got_font = true;
}
FcPatternDestroy(font);
}
}
FcPatternDestroy(pattern_styled);
}
FcPatternDestroy(pattern_regular);
return(path);
} }
Sys_Font_Data_Not_Used; Sys_Font_Data_Not_Used;
internal char* internal char*
linux_get_loadable_fonts(Partition *part, Font_Setup_List *list){ linux_get_loadable_fonts(Partition *part, Font_Setup_List *list){
FcConfig* config = FcInitLoadConfigAndFonts(); if (fc_config == 0){
fc_config = FcInitLoadConfigAndFonts();
}
FcPattern* pat = FcPatternBuild( FcPattern* pat = FcPatternBuild(
0, 0,
FC_STYLE, FcTypeString, (FcChar8*)"Regular", FC_STYLE, FcTypeString, (FcChar8*)"Regular",
(void*)0); (void*)0);
FcObjectSet* os = FcObjectSetBuild(FC_FAMILY, FC_FILE, (char*)0); FcObjectSet* os = FcObjectSetBuild(FC_FAMILY, FC_FILE, (char*)0);
FcFontSet* fs = FcFontList(config, pat, os); FcFontSet* fs = FcFontList(fc_config, pat, os);
if (fs != 0){ if (fs != 0){
LOGF("Total matching fonts: %d\n", fs->nfont); LOGF("Total matching fonts: %d\n", fs->nfont);
for (int i=0; fs && i < fs->nfont; ++i) { for (int i=0; fs && i < fs->nfont; ++i) {