4coder/4coder_font_helper.cpp

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/*
4coder_font_helper.cpp - Procedures for font setting operations
*/
// TOP
internal Face_Description
get_buffer_face_description(Application_Links *app, Buffer_ID buffer){
Face_ID current_id = get_face_id(app, buffer);
Face_Description description = {};
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if (current_id != 0){
description = get_face_description(app, current_id);
}
return(description);
}
internal Face_Description
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get_global_face_description(Application_Links *app){
return(get_buffer_face_description(app, 0));
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}
internal b32
font_load_location_match(Font_Load_Location *a, Font_Load_Location *b){
b32 result = false;
if (string_match(a->file_name, b->file_name) && a->in_4coder_font_folder == b->in_4coder_font_folder){
result = true;
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}
return(result);
}
internal b32
face_load_parameters_match(Face_Load_Parameters *a, Face_Load_Parameters *b){
return(block_compare(a, b, sizeof(*a)) == 0);
}
internal b32
face_description_match(Face_Description *a, Face_Description *b){
b32 result = false;
if (font_load_location_match(&a->font, &b->font) &&
face_load_parameters_match(&a->parameters, &b->parameters)){
result = true;
}
return(result);
}
internal Face_ID
face_id_from_font_load_target(Application_Links *app, Font_Load_Location *font){
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Face_ID largest_id = get_largest_face_id(app);
Face_ID result = 0;
for (Face_ID id = 1; id <= largest_id; ++id){
Face_Description compare = get_face_description(app, id);
if (font_load_location_match(&compare.font, font)){
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result = id;
break;
}
}
return(result);
}
internal Face_ID
face_id_from_face_load_parameters(Application_Links *app, Face_Load_Parameters *parameters){
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Face_ID largest_id = get_largest_face_id(app);
Face_ID result = 0;
for (Face_ID id = 1; id <= largest_id; ++id){
Face_Description compare = get_face_description(app, id);
if (face_load_parameters_match(&compare.parameters, parameters)){
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result = id;
break;
}
}
return(result);
}
internal Face_ID
face_id_from_description(Application_Links *app, Face_Description *description){
Face_ID largest_id = get_largest_face_id(app);
Face_ID result = 0;
for (Face_ID id = 1; id <= largest_id; ++id){
Face_Description compare = get_face_description(app, id);
if (face_description_match(&compare, description)){
result = id;
break;
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}
}
return(result);
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}
internal b32
modify_global_face_by_description(Application_Links *app, Face_Description description){
Face_ID face_id = get_face_id(app, 0);
return(try_modify_face(app, face_id, &description));
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}
internal void
set_buffer_face_by_description(Application_Links *app, Buffer_ID buffer, Face_Description *description){
Face_ID id = face_id_from_description(app, description);
if (id == 0){
id = try_create_new_face(app, description);
}
if (id != 0){
buffer_set_face(app, buffer, id);
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}
}
internal void
set_buffer_face_by_font_load_location(Application_Links *app, Buffer_ID buffer, Font_Load_Location *font){
Face_Description description = get_buffer_face_description(app, buffer);
description.font = *font;
set_buffer_face_by_description(app, buffer, &description);
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}
internal void
set_buffer_face_by_face_load_parameters(Application_Links *app, Buffer_ID buffer, Face_Load_Parameters *parameters){
Face_Description description = get_buffer_face_description(app, buffer);
description.parameters = *parameters;
set_buffer_face_by_description(app, buffer, &description);
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}
// BOTTOM