4coder/linux_4ed_fonts.cpp

175 lines
4.7 KiB
C++

/*
* Mr. 4th Dimention - Allen Webster
*
* 09.02.2016
*
* Shared system functions
*
*/
// TOP
#include "4ed_system_shared.h"
#include "4ed_font_interface.h"
#include "4ed_font_interface_to_os.h"
#include "4ed_font_data.h"
struct Linux_Fonts{
Partition part;
Render_Font fonts[5];
u32 font_count;
};
global Linux_Fonts linux_fonts = {0};
internal
Sys_Font_Get_Count_Sig(system_font_get_count){
return(linux_fonts.font_count);
}
internal
Sys_Font_Get_IDs_By_Index_Sig(system_font_get_ids_by_index){
b32 result = false;
u32 stop_index = first_index + index_count;
if (stop_index <= linux_fonts.font_count){
result = true;
for (u32 i = first_index; i < stop_index; ++i){
id_out[i-first_index] = i;
}
}
return(result);
}
internal
Sys_Font_Get_Name_By_Index_Sig(system_font_get_name_by_index){
u32 length = 0;
if (font_index < linux_fonts.font_count){
Render_Font *font = &linux_fonts.fonts[font_index];
char *name = font->name;
length = font->name_len;
copy_partial_cs(str_out, str_out_cap, make_string(name, length));
}
return(length);
}
internal
Sys_Font_Get_Name_By_ID_Sig(system_font_get_name_by_id){
u32 font_index = font_id;
u32 result = system_font_get_name_by_index(font_index, str_out, str_out_cap);
return(result);
}
internal
Sys_Font_Get_Render_Data_By_ID_Sig(system_font_get_render_data_by_id){
Render_Font *result = 0;
u32 font_index = font_id;
if (font_index < linux_fonts.font_count){
result = &linux_fonts.fonts[font_index];
}
return(result);
}
internal
Sys_Font_Load_Page_Sig(system_font_load_page){
system_set_page(&linuxvars.system, &linux_fonts.part, font, page, page_number, linuxvars.settings.font_size, linuxvars.settings.use_hinting);
}
internal
Sys_Font_Allocate_Sig(system_font_allocate){
void *result = system_memory_allocate(size);
return(result);
}
internal
Sys_Font_Free_Sig(system_font_free){
system_memory_free(ptr, 0);
}
internal
Sys_Font_Init_Sig(system_font_init){
Partition *scratch = &shared_vars.scratch;
Temp_Memory temp = begin_temp_memory(scratch);
font->get_count = system_font_get_count;
font->get_ids_by_index = system_font_get_ids_by_index;
font->get_name_by_index = system_font_get_name_by_index;
font->get_name_by_id = system_font_get_name_by_id;
font->get_render_data_by_id = system_font_get_render_data_by_id;
font->load_page = system_font_load_page;
font->allocate = system_font_allocate;
font->free = system_font_free;
font_size = clamp_bottom(8, font_size);
struct Font_Setup{
Font_Setup *next_font;
char *c_filename;
};
Font_Setup *first_setup = 0;
Font_Setup *head_setup = 0;
u32 dir_max = KB(32);
u8 *directory = push_array(scratch, u8, dir_max);
String dir_str = make_string_cap(directory, 0, dir_max);
u32 dir_len = system_get_binary_path(&dir_str);
Assert(dir_len < dir_max);
set_last_folder_sc(&dir_str, "fonts", '/');
terminate_with_null(&dir_str);
dir_len = dir_str.size;
partition_reduce(scratch, dir_max - dir_len - 1);
partition_align(scratch, 8);
File_List file_list = {0};
system_set_file_list(&file_list, (char*)directory, 0, 0, 0);
for (u32 i = 0; i < file_list.count; ++i){
File_Info *info = &file_list.infos[i];
if (first_setup == 0){
first_setup = push_struct(scratch, Font_Setup);
head_setup = first_setup;
}
else{
head_setup->next_font = push_struct(scratch, Font_Setup);
head_setup = head_setup->next_font;
}
head_setup->next_font = 0;
char *filename = info->filename;
u32 len = 0;
for (;filename[len];++len);
head_setup->c_filename = push_array(scratch, char, dir_len+len+1);
memcpy(head_setup->c_filename, directory, dir_len);
memcpy(head_setup->c_filename + dir_len, filename, len+1);
partition_align(scratch, 8);
}
system_set_file_list(&file_list, 0, 0, 0, 0);
u32 font_count_max = ArrayCount(linux_fonts.fonts);
u32 font_count = 0;
u32 i = 0;
for (Font_Setup *ptr = first_setup; ptr != 0; ptr = ptr->next_font, ++i){
if (i < font_count_max){
Render_Font *render_font = &linux_fonts.fonts[i];
system_set_font(&linuxvars.system, &linux_fonts.part, render_font, ptr->c_filename, font_size, use_hinting);
}
++font_count;
}
linux_fonts.font_count = clamp_top(font_count, font_count_max);
end_temp_memory(temp);
}
// BOTTOM