2019-02-25 23:42:13 +00:00
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/*
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* Fancy string - immediate mode renderer for colored strings
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*/
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2019-02-26 00:17:24 +00:00
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// TOP
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2019-02-25 23:42:13 +00:00
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static Fancy_Color
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2019-02-26 19:59:57 +00:00
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fancy_blend(id_color a, f32 t, id_color b){
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2019-02-25 23:42:13 +00:00
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Fancy_Color result = {};
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result.index_a = (u16)a;
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result.index_b = (u16)b;
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result.table_a = 1;
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result.table_b = 1;
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result.c_b = (u8)(clamp(0, 255.0f*t, 255.0f));
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result.c_a = 255 - result.c_b;
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return(result);
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}
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static Fancy_Color
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2019-02-26 19:59:57 +00:00
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fancy_id(id_color a){
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2019-02-25 23:42:13 +00:00
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Fancy_Color result = {};
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result.index_a = (u16)a;
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result.index_b = 0;
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result.table_a = 1;
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result.table_b = 0;
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result.c_a = 255;
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result.c_b = 0;
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return(result);
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}
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static Fancy_Color
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2019-02-26 19:59:57 +00:00
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fancy_rgba(argb_color color){
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2019-02-25 23:42:13 +00:00
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Fancy_Color result = {};
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result.rgba = color;
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result.code = 0;
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return(result);
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}
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static Fancy_Color
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2019-02-26 19:59:57 +00:00
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fancy_rgba(f32 r, f32 g, f32 b, f32 a){
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Fancy_Color result = fancy_rgba(pack_color4(V4(r, g, b, a)));
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2019-02-25 23:42:13 +00:00
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return(result);
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}
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static Fancy_Color
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fancy_resolve_to_rgba(Application_Links *app, Fancy_Color source){
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if (source.code != 0){
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Vec4 a = unpack_color4(finalize_color(app, source.index_a));
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Vec4 b = unpack_color4(finalize_color(app, source.index_b));
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f32 ca = (f32)source.c_a/255.0f;
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f32 cb = (f32)source.c_b/255.0f;
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Vec4 value = ca*a + cb*b;
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source.rgba = pack_color4(value);
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source.code = 0;
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}
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return(source);
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}
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static Fancy_Color
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pass_through_fancy_color(void){
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Fancy_Color result = {};
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return(result);
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}
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static int_color
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int_color_from(Application_Links *app, Fancy_Color source){
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int_color result = {};
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if ((source.c_a == 255) && (source.c_b == 0)){
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result = source.index_a;
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}
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else{
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source = fancy_resolve_to_rgba(app, source);
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result = source.rgba;
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}
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return(result);
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}
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2019-02-26 23:08:42 +00:00
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static b32
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2019-02-25 23:42:13 +00:00
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is_valid(Fancy_Color source){
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2019-02-26 23:08:42 +00:00
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b32 result = !((source.code == 0) && (source.rgba == 0));
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2019-02-25 23:42:13 +00:00
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return(result);
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}
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2019-02-26 19:59:57 +00:00
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static void
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fancy_string_list_push(Fancy_String_List *list, Fancy_String *string){
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list->last = (list->last ? list->last->next : list->first) = string;
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}
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2019-02-25 23:42:13 +00:00
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static Fancy_String *
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2019-02-26 00:17:24 +00:00
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push_fancy_string(Arena *arena, Fancy_String_List *list, Fancy_Color fore, Fancy_Color back, String value){
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2019-02-25 23:42:13 +00:00
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Fancy_String *result = push_array(arena, Fancy_String, 1);
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2019-02-26 19:59:57 +00:00
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memset(result, 0, sizeof(*result));
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2019-02-25 23:42:13 +00:00
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result->value = string_push_copy(arena, value);
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result->fore = fore;
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2019-02-26 00:17:24 +00:00
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result->back = back;
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2019-02-25 23:42:13 +00:00
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if (list != 0){
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2019-02-26 19:59:57 +00:00
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fancy_string_list_push(list, result);
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2019-02-25 23:42:13 +00:00
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}
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return(result);
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}
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2019-02-26 19:59:57 +00:00
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static Fancy_String *
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push_fancy_string(Arena *arena, Fancy_Color fore, Fancy_Color back, String value){
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return(push_fancy_string(arena, 0, fore, back, value));
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}
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2019-02-26 00:17:24 +00:00
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static Fancy_String *
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push_fancy_string(Arena *arena, Fancy_String_List *list, Fancy_Color fore, String value){
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return(push_fancy_string(arena, list, fore, pass_through_fancy_color(), value));
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}
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2019-02-26 19:59:57 +00:00
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static Fancy_String *
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push_fancy_string(Arena *arena, Fancy_Color fore, String value){
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return(push_fancy_string(arena, 0, fore, pass_through_fancy_color(), value));
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}
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2019-02-25 23:42:13 +00:00
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static Fancy_String *
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push_fancy_string(Arena *arena, Fancy_String_List *list, String value){
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2019-02-26 00:17:24 +00:00
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return(push_fancy_string(arena, list, pass_through_fancy_color(), pass_through_fancy_color(), value));
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}
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2019-02-26 19:59:57 +00:00
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static Fancy_String *
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push_fancy_string(Arena *arena, String value){
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return(push_fancy_string(arena, 0, pass_through_fancy_color(), pass_through_fancy_color(), value));
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}
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2019-02-26 00:17:24 +00:00
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static Fancy_String*
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2019-02-27 21:14:25 +00:00
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push_fancy_stringfv(Arena *arena, Fancy_String_List *list, Fancy_Color fore, Fancy_Color back, char *format, va_list args){
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2019-02-26 00:17:24 +00:00
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// TODO(casey): Allen, ideally we would have our own formatter here that just outputs into a buffer and can't ever "run out of space".
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char temp[1024];
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2019-02-26 23:17:53 +00:00
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i32 length = vsprintf(temp, format, args);
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2019-02-26 00:17:24 +00:00
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Fancy_String *result = 0;
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if (length > 0){
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result = push_fancy_string(arena, list, fore, back, make_string(temp, length));
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}
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return(result);
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}
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static Fancy_String*
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push_fancy_stringf(Arena *arena, Fancy_String_List *list, Fancy_Color fore, Fancy_Color back, char *format, ...){
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va_list args;
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va_start(args, format);
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2019-02-27 21:14:25 +00:00
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Fancy_String *result = push_fancy_stringfv(arena, list, fore, back, format, args);
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2019-02-26 00:17:24 +00:00
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va_end(args);
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return(result);
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}
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static Fancy_String*
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push_fancy_stringf(Arena *arena, Fancy_String_List *list, Fancy_Color fore, char *format, ...){
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va_list args;
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va_start(args, format);
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2019-02-27 21:14:25 +00:00
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Fancy_String *result = push_fancy_stringfv(arena, list, fore, pass_through_fancy_color(), format, args);
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2019-02-26 00:17:24 +00:00
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va_end(args);
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return(result);
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}
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static Fancy_String*
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push_fancy_stringf(Arena *arena, Fancy_String_List *list, char *format, ...){
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va_list args;
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va_start(args, format);
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2019-02-27 21:14:25 +00:00
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Fancy_String *result = push_fancy_stringfv(arena, list, pass_through_fancy_color(), pass_through_fancy_color(), format, args);
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va_end(args);
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return(result);
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}
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static Fancy_String*
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push_fancy_stringf(Arena *arena, Fancy_Color fore, Fancy_Color back, char *format, ...){
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va_list args;
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va_start(args, format);
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Fancy_String *result = push_fancy_stringfv(arena, 0, fore, back, format, args);
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va_end(args);
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return(result);
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}
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static Fancy_String*
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push_fancy_stringf(Arena *arena, Fancy_Color fore, char *format, ...){
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va_list args;
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va_start(args, format);
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Fancy_String *result = push_fancy_stringfv(arena, 0, fore, pass_through_fancy_color(), format, args);
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va_end(args);
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return(result);
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}
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static Fancy_String*
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push_fancy_stringf(Arena *arena, char *format, ...){
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va_list args;
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va_start(args, format);
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Fancy_String *result = push_fancy_stringfv(arena, 0, pass_through_fancy_color(), pass_through_fancy_color(), format, args);
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2019-02-26 00:17:24 +00:00
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va_end(args);
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return(result);
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2019-02-25 23:42:13 +00:00
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}
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2019-02-26 19:59:57 +00:00
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static Fancy_String_List
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fancy_string_list_single(Fancy_String *fancy_string){
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Fancy_String_List list = {};
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list.first = fancy_string;
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list.last = fancy_string;
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return(list);
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}
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2019-02-25 23:42:13 +00:00
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static Vec2
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2019-02-27 05:49:35 +00:00
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draw_fancy_string(Application_Links *app, Face_ID font_id, Fancy_String *string, Vec2 P, int_color fore, int_color back, u32 flags, Vec2 dP){
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2019-02-25 23:42:13 +00:00
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for (;string != 0;
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string = string->next){
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Face_ID use_font_id = (string->font_id) ? string->font_id : font_id;
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int_color use_fore = is_valid(string->fore) ? int_color_from(app, string->fore) : fore;
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f32 adv = get_string_advance(app, use_font_id, string->value);
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// TODO(casey): need to fill the background here, but I don't know the line height,
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// and I can't actually render filled shapes, so, like, I can't properly do dP :(
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P += (string->pre_margin)*dP;
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draw_string(app, use_font_id, string->value, P, use_fore, flags, dP);
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P += (adv + string->post_margin)*dP;
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}
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return(P);
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}
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2019-02-26 00:17:24 +00:00
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2019-02-27 05:49:35 +00:00
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static Vec2
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draw_fancy_string(Application_Links *app, Face_ID font_id, Fancy_String *string, Vec2 P, int_color fore, int_color back){
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return(draw_fancy_string(app, font_id, string, P, fore, back, 0, V2(1.f, 0.f)));
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}
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2019-02-26 00:17:24 +00:00
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// BOTTOM
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