Extra room in the API for eventually having mixed-font layouts

This commit is contained in:
Allen Webster 2019-12-16 17:52:20 -08:00
parent 1a987b8189
commit b9dedc912d
3 changed files with 71 additions and 70 deletions

View File

@ -839,16 +839,16 @@ layout_index_x_shift(Application_Links *app, Layout_Reflex *reflex, Code_Index_F
}
function void
layout_index__emit_chunk(LefRig_TopBot_Layout_Vars *pos_vars, Arena *arena, u8 *text_str, i64 range_first, u8 *ptr, u8 *end, Layout_Item_List *list){
layout_index__emit_chunk(LefRig_TopBot_Layout_Vars *pos_vars, Face_ID face, Arena *arena, u8 *text_str, i64 range_first, u8 *ptr, u8 *end, Layout_Item_List *list){
for (;ptr < end;){
Character_Consume_Result consume = utf8_consume(ptr, (umem)(end - ptr));
if (consume.codepoint != '\r'){
i64 index = layout_index_from_ptr(ptr, text_str, range_first);
if (consume.codepoint != max_u32){
lr_tb_write(pos_vars, arena, list, index, consume.codepoint);
lr_tb_write(pos_vars, face, arena, list, index, consume.codepoint);
}
else{
lr_tb_write_byte(pos_vars, arena, list, index, *ptr);
lr_tb_write_byte(pos_vars, face, arena, list, index, *ptr);
}
}
ptr += consume.inc;
@ -886,7 +886,7 @@ layout_index__inner(Application_Links *app, Arena *arena, Buffer_ID buffer, Rang
Layout_Reflex reflex = get_layout_reflex(&list, buffer, width, face);
if (text.size == 0){
lr_tb_write_blank(&pos_vars, arena, &list, range.start);
lr_tb_write_blank(&pos_vars, face, arena, &list, range.start);
}
else{
b32 first_of_the_line = true;
@ -963,7 +963,7 @@ layout_index__inner(Application_Links *app, Arena *arena, Buffer_ID buffer, Rang
for (;ptr < word_end;){
Character_Consume_Result consume = utf8_consume(ptr, (umem)(word_end - ptr));
if (consume.codepoint != max_u32){
word_advance += lr_tb_advance(&pos_vars, consume.codepoint);
word_advance += lr_tb_advance(&pos_vars, face, consume.codepoint);
}
else{
word_advance += lr_tb_advance_byte(&pos_vars);
@ -976,7 +976,7 @@ layout_index__inner(Application_Links *app, Arena *arena, Buffer_ID buffer, Rang
if (!first_of_the_line && (kind == Layout_Wrapped) && lr_tb_crosses_width(&pos_vars, pending_wrap_accumulated_w)){
i64 index = layout_index_from_ptr(pending_wrap_ptr, text.str, range.first);
lr_tb_align_rightward(&pos_vars, wrap_align_x);
lr_tb_write_ghost(&pos_vars, arena, &list, index, '\\');
lr_tb_write_ghost(&pos_vars, face, arena, &list, index, '\\');
lr_tb_next_line(&pos_vars);
#if 0
@ -1060,7 +1060,7 @@ layout_index__inner(Application_Links *app, Arena *arena, Buffer_ID buffer, Rang
}
if (new_wrap_ptr_is_better){
layout_index__emit_chunk(&pos_vars, arena, text.str, range.first, pending_wrap_ptr, new_wrap_ptr, &list);
layout_index__emit_chunk(&pos_vars, face, arena, text.str, range.first, pending_wrap_ptr, new_wrap_ptr, &list);
first_of_the_line = false;
pending_wrap_ptr = new_wrap_ptr;
@ -1080,7 +1080,7 @@ layout_index__inner(Application_Links *app, Arena *arena, Buffer_ID buffer, Rang
default:
{
newline_layout_consume_default(&newline_vars);
pending_wrap_accumulated_w += lr_tb_advance(&pos_vars, *ptr);
pending_wrap_accumulated_w += lr_tb_advance(&pos_vars, face, *ptr);
}break;
case '\r':
@ -1090,12 +1090,12 @@ layout_index__inner(Application_Links *app, Arena *arena, Buffer_ID buffer, Rang
case '\n':
{
layout_index__emit_chunk(&pos_vars, arena, text.str, range.first, pending_wrap_ptr, ptr, &list);
layout_index__emit_chunk(&pos_vars, face, arena, text.str, range.first, pending_wrap_ptr, ptr, &list);
pending_wrap_ptr = ptr + 1;
pending_wrap_accumulated_w = 0.f;
u64 newline_index = newline_layout_consume_LF(&newline_vars, index);
lr_tb_write_blank(&pos_vars, arena, &list, newline_index);
lr_tb_write_blank(&pos_vars, face, arena, &list, newline_index);
lr_tb_next_line(&pos_vars);
first_of_the_line = true;
ptr += 1;
@ -1106,9 +1106,9 @@ layout_index__inner(Application_Links *app, Arena *arena, Buffer_ID buffer, Rang
finish:
if (newline_layout_consume_finish(&newline_vars)){
layout_index__emit_chunk(&pos_vars, arena, text.str, range.first, pending_wrap_ptr, ptr, &list);
layout_index__emit_chunk(&pos_vars, face, arena, text.str, range.first, pending_wrap_ptr, ptr, &list);
i64 index = layout_index_from_ptr(ptr, text.str, range.first);
lr_tb_write_blank(&pos_vars, arena, &list, index);
lr_tb_write_blank(&pos_vars, face, arena, &list, index);
}
}

View File

@ -56,13 +56,15 @@ layout_item_list_finish(Layout_Item_List *list, f32 bottom_padding){
}
function void
layout_write(Arena *arena, Layout_Item_List *list, i64 index, u32 codepoint, Layout_Item_Flag flags, Rect_f32 rect){
layout_write(Arena *arena, Layout_Item_List *list, Face_ID face, i64 index, u32 codepoint, Layout_Item_Flag flags, Rect_f32 rect){
Temp_Memory restore_point = begin_temp(arena);
Layout_Item *item = push_array(arena, Layout_Item, 1);
Layout_Item_Block *block = list->last;
if (block != 0){
if (block->items + block->item_count == item){
if (block->face != face){
block = 0;
}
else if (block->items + block->item_count == item){
block->item_count += 1;
}
else{
@ -77,6 +79,7 @@ layout_write(Arena *arena, Layout_Item_List *list, i64 index, u32 codepoint, Lay
list->node_count += 1;
block->items = item;
block->item_count = 1;
block->face = face;
}
list->item_count += 1;
@ -165,36 +168,36 @@ lr_tb_crosses_width(LefRig_TopBot_Layout_Vars *vars, f32 advance){
}
function f32
lr_tb_advance(LefRig_TopBot_Layout_Vars *vars, u32 codepoint){
lr_tb_advance(LefRig_TopBot_Layout_Vars *vars, Face_ID face, u32 codepoint){
return(font_get_glyph_advance(vars->advance_map, vars->metrics, codepoint));
}
function void
lr_tb_write_with_advance_with_flags(LefRig_TopBot_Layout_Vars *vars, f32 advance, Arena *arena, Layout_Item_List *list, i64 index, u32 codepoint, Layout_Item_Flag flags){
lr_tb_write_with_advance_with_flags(LefRig_TopBot_Layout_Vars *vars, Face_ID face, f32 advance, Arena *arena, Layout_Item_List *list, i64 index, u32 codepoint, Layout_Item_Flag flags){
if (codepoint == '\t'){
codepoint = ' ';
}
vars->p.x = f32_ceil32(vars->p.x);
f32 next_x = vars->p.x + advance;
layout_write(arena, list, index, codepoint, flags, Rf32(vars->p, V2f32(next_x, vars->text_y)));
layout_write(arena, list, face, index, codepoint, flags, Rf32(vars->p, V2f32(next_x, vars->text_y)));
vars->p.x = next_x;
}
function void
lr_tb_write_with_advance(LefRig_TopBot_Layout_Vars *vars, f32 advance, Arena *arena, Layout_Item_List *list, i64 index, u32 codepoint){
lr_tb_write_with_advance_with_flags(vars, advance, arena, list, index, codepoint, 0);
lr_tb_write_with_advance(LefRig_TopBot_Layout_Vars *vars, Face_ID face, f32 advance, Arena *arena, Layout_Item_List *list, i64 index, u32 codepoint){
lr_tb_write_with_advance_with_flags(vars, face, advance, arena, list, index, codepoint, 0);
}
function void
lr_tb_write(LefRig_TopBot_Layout_Vars *vars, Arena *arena, Layout_Item_List *list, i64 index, u32 codepoint){
f32 advance = lr_tb_advance(vars, codepoint);
lr_tb_write_with_advance(vars, advance, arena, list, index, codepoint);
lr_tb_write(LefRig_TopBot_Layout_Vars *vars, Face_ID face, Arena *arena, Layout_Item_List *list, i64 index, u32 codepoint){
f32 advance = lr_tb_advance(vars, face, codepoint);
lr_tb_write_with_advance(vars, face, advance, arena, list, index, codepoint);
}
function void
lr_tb_write_ghost(LefRig_TopBot_Layout_Vars *vars, Arena *arena, Layout_Item_List *list, i64 index, u32 codepoint){
f32 advance = lr_tb_advance(vars, codepoint);
lr_tb_write_with_advance_with_flags(vars, advance, arena, list, index, codepoint, LayoutItemFlag_Ghost_Character);
lr_tb_write_ghost(LefRig_TopBot_Layout_Vars *vars, Face_ID face, Arena *arena, Layout_Item_List *list, i64 index, u32 codepoint){
f32 advance = lr_tb_advance(vars, face, codepoint);
lr_tb_write_with_advance_with_flags(vars, face, advance, arena, list, index, codepoint, LayoutItemFlag_Ghost_Character);
}
function f32
@ -203,7 +206,7 @@ lr_tb_advance_byte(LefRig_TopBot_Layout_Vars *vars){
}
function void
lr_tb_write_byte_with_advance(LefRig_TopBot_Layout_Vars *vars, f32 advance, Arena *arena, Layout_Item_List *list, i64 index, u8 byte){
lr_tb_write_byte_with_advance(LefRig_TopBot_Layout_Vars *vars, Face_ID face, f32 advance, Arena *arena, Layout_Item_List *list, i64 index, u8 byte){
Face_Metrics *metrics = vars->metrics;
f32 final_next_x = vars->p.x + advance;
@ -216,37 +219,37 @@ lr_tb_write_byte_with_advance(LefRig_TopBot_Layout_Vars *vars, f32 advance, Aren
f32 text_y = vars->text_y;
Layout_Item_Flag flags = LayoutItemFlag_Special_Character;
layout_write(arena, list, index, '\\', flags, Rf32(p, V2f32(next_x, text_y)));
layout_write(arena, list, face, index, '\\', flags, Rf32(p, V2f32(next_x, text_y)));
p.x = next_x;
flags = LayoutItemFlag_Ghost_Character;
next_x += metrics->byte_sub_advances[1];
layout_write(arena, list, index, integer_symbols[hi], flags, Rf32(p, V2f32(next_x, text_y)));
layout_write(arena, list, face, index, integer_symbols[hi], flags, Rf32(p, V2f32(next_x, text_y)));
p.x = next_x;
next_x += metrics->byte_sub_advances[2];
layout_write(arena, list, index, integer_symbols[lo], flags, Rf32(p, V2f32(next_x, text_y)));
layout_write(arena, list, face, index, integer_symbols[lo], flags, Rf32(p, V2f32(next_x, text_y)));
vars->p.x = final_next_x;
}
function void
lr_tb_write_byte(LefRig_TopBot_Layout_Vars *vars,
lr_tb_write_byte(LefRig_TopBot_Layout_Vars *vars, Face_ID face,
Arena *arena, Layout_Item_List *list, i64 index, u8 byte){
lr_tb_write_byte_with_advance(vars, vars->metrics->byte_advance,
lr_tb_write_byte_with_advance(vars, face, vars->metrics->byte_advance,
arena, list, index, byte);
}
function void
lr_tb_write_blank_dim(LefRig_TopBot_Layout_Vars *vars, Vec2_f32 dim,
lr_tb_write_blank_dim(LefRig_TopBot_Layout_Vars *vars, Face_ID face, Vec2_f32 dim,
Arena *arena, Layout_Item_List *list, i64 index){
layout_write(arena, list, index, ' ', 0, Rf32_xy_wh(vars->p, dim));
layout_write(arena, list, face, index, ' ', 0, Rf32_xy_wh(vars->p, dim));
vars->p.x += dim.x;
}
function void
lr_tb_write_blank(LefRig_TopBot_Layout_Vars *vars,
lr_tb_write_blank(LefRig_TopBot_Layout_Vars *vars, Face_ID face,
Arena *arena, Layout_Item_List *list, i64 index){
lr_tb_write_blank_dim(vars, vars->blank_dim, arena, list, index);
lr_tb_write_blank_dim(vars, face, vars->blank_dim, arena, list, index);
}
function void
@ -292,7 +295,7 @@ layout_unwrapped_small_blank_lines(Application_Links *app, Arena *arena, Buffer_
pos_vars.blank_dim = V2f32(metrics.space_advance, metrics.text_height*0.5f);
if (text.size == 0){
lr_tb_write_blank(&pos_vars, arena, &list, range.start);
lr_tb_write_blank(&pos_vars, face, arena, &list, range.start);
}
else{
Newline_Layout_Vars newline_vars = get_newline_layout_vars();
@ -320,9 +323,8 @@ layout_unwrapped_small_blank_lines(Application_Links *app, Arena *arena, Buffer_
{
newline_layout_consume_default(&newline_vars);
Vec2_f32 dim = pos_vars.blank_dim;
dim.x = lr_tb_advance(&pos_vars, '\t');
lr_tb_write_blank_dim(&pos_vars, dim,
arena, &list, index);
dim.x = lr_tb_advance(&pos_vars, face, '\t');
lr_tb_write_blank_dim(&pos_vars, face, dim, arena, &list, index);
}break;
case ' ':
@ -330,13 +332,13 @@ layout_unwrapped_small_blank_lines(Application_Links *app, Arena *arena, Buffer_
case '\v':
{
newline_layout_consume_default(&newline_vars);
lr_tb_write_blank(&pos_vars, arena, &list, index);
lr_tb_write_blank(&pos_vars, face, arena, &list, index);
}break;
default:
{
newline_layout_consume_default(&newline_vars);
lr_tb_write(&pos_vars, arena, &list, index, consume.codepoint);
lr_tb_write(&pos_vars, face, arena, &list, index, consume.codepoint);
}break;
case '\r':
@ -347,14 +349,14 @@ layout_unwrapped_small_blank_lines(Application_Links *app, Arena *arena, Buffer_
case '\n':
{
i64 newline_index = newline_layout_consume_LF(&newline_vars, index);
lr_tb_write_blank(&pos_vars, arena, &list, newline_index);
lr_tb_write_blank(&pos_vars, face, arena, &list, newline_index);
lr_tb_next_line(&pos_vars);
}break;
case max_u32:
{
newline_layout_consume_default(&newline_vars);
lr_tb_write_byte(&pos_vars, arena, &list, index, *ptr);
lr_tb_write_byte(&pos_vars, face, arena, &list, index, *ptr);
}break;
}
@ -363,7 +365,7 @@ layout_unwrapped_small_blank_lines(Application_Links *app, Arena *arena, Buffer_
if (newline_layout_consume_finish(&newline_vars)){
i64 index = layout_index_from_ptr(ptr, text.str, range.first);
lr_tb_write_blank(&pos_vars, arena, &list, index);
lr_tb_write_blank(&pos_vars, face, arena, &list, index);
}
}
@ -385,7 +387,7 @@ layout_wrap_anywhere(Application_Links *app, Arena *arena, Buffer_ID buffer, Ran
LefRig_TopBot_Layout_Vars pos_vars = get_lr_tb_layout_vars(&advance_map, &metrics, width);
if (text.size == 0){
lr_tb_write_blank(&pos_vars, arena, &list, range.first);
lr_tb_write_blank(&pos_vars, face, arena, &list, range.first);
}
else{
b32 first_of_the_line = true;
@ -400,12 +402,11 @@ layout_wrap_anywhere(Application_Links *app, Arena *arena, Buffer_ID buffer, Ran
default:
{
newline_layout_consume_default(&newline_vars);
f32 advance = lr_tb_advance(&pos_vars, consume.codepoint);
f32 advance = lr_tb_advance(&pos_vars, face, consume.codepoint);
if (!first_of_the_line && lr_tb_crosses_width(&pos_vars, advance)){
lr_tb_next_line(&pos_vars);
}
lr_tb_write_with_advance(&pos_vars, advance,
arena, &list, index, consume.codepoint);
lr_tb_write_with_advance(&pos_vars, face, advance, arena, &list, index, consume.codepoint);
first_of_the_line = false;
}break;
@ -417,7 +418,7 @@ layout_wrap_anywhere(Application_Links *app, Arena *arena, Buffer_ID buffer, Ran
case '\n':
{
i64 newline_index = newline_layout_consume_LF(&newline_vars, index);
lr_tb_write_blank(&pos_vars, arena, &list, newline_index);
lr_tb_write_blank(&pos_vars, face, arena, &list, newline_index);
lr_tb_next_line(&pos_vars);
first_of_the_line = true;
}break;
@ -429,8 +430,7 @@ layout_wrap_anywhere(Application_Links *app, Arena *arena, Buffer_ID buffer, Ran
if (!first_of_the_line && lr_tb_crosses_width(&pos_vars, advance)){
lr_tb_next_line(&pos_vars);
}
lr_tb_write_byte_with_advance(&pos_vars, advance,
arena, &list, index, *ptr);
lr_tb_write_byte_with_advance(&pos_vars, face, advance, arena, &list, index, *ptr);
first_of_the_line = false;
}break;
}
@ -439,7 +439,7 @@ layout_wrap_anywhere(Application_Links *app, Arena *arena, Buffer_ID buffer, Ran
if (newline_layout_consume_finish(&newline_vars)){
i64 index = layout_index_from_ptr(ptr, text.str, range.first);
lr_tb_write_blank(&pos_vars, arena, &list, index);
lr_tb_write_blank(&pos_vars, face, arena, &list, index);
}
}
@ -460,7 +460,7 @@ layout_unwrapped__inner(Application_Links *app, Arena *arena, Buffer_ID buffer,
LefRig_TopBot_Layout_Vars pos_vars = get_lr_tb_layout_vars(&advance_map, &metrics, width);
if (text.size == 0){
lr_tb_write_blank(&pos_vars, arena, &list, range.first);
lr_tb_write_blank(&pos_vars, face, arena, &list, range.first);
}
else{
b32 skipping_leading_whitespace = (virt_indent == LayoutVirtualIndent_On);
@ -477,9 +477,9 @@ layout_unwrapped__inner(Application_Links *app, Arena *arena, Buffer_ID buffer,
case ' ':
{
newline_layout_consume_default(&newline_vars);
f32 advance = lr_tb_advance(&pos_vars, consume.codepoint);
f32 advance = lr_tb_advance(&pos_vars, face, consume.codepoint);
if (!skipping_leading_whitespace){
lr_tb_write_with_advance(&pos_vars, advance, arena, &list, index, consume.codepoint);
lr_tb_write_with_advance(&pos_vars, face, advance, arena, &list, index, consume.codepoint);
}
else{
lr_tb_advance_x_without_item(&pos_vars, advance);
@ -489,7 +489,7 @@ layout_unwrapped__inner(Application_Links *app, Arena *arena, Buffer_ID buffer,
default:
{
newline_layout_consume_default(&newline_vars);
lr_tb_write(&pos_vars, arena, &list, index, consume.codepoint);
lr_tb_write(&pos_vars, face, arena, &list, index, consume.codepoint);
}break;
case '\r':
@ -500,14 +500,14 @@ layout_unwrapped__inner(Application_Links *app, Arena *arena, Buffer_ID buffer,
case '\n':
{
i64 newline_index = newline_layout_consume_LF(&newline_vars, index);
lr_tb_write_blank(&pos_vars, arena, &list, newline_index);
lr_tb_write_blank(&pos_vars, face, arena, &list, newline_index);
lr_tb_next_line(&pos_vars);
}break;
case max_u32:
{
newline_layout_consume_default(&newline_vars);
lr_tb_write_byte(&pos_vars, arena, &list, index, *ptr);
lr_tb_write_byte(&pos_vars, face, arena, &list, index, *ptr);
}break;
}
@ -516,7 +516,7 @@ layout_unwrapped__inner(Application_Links *app, Arena *arena, Buffer_ID buffer,
if (newline_layout_consume_finish(&newline_vars)){
i64 index = layout_index_from_ptr(ptr, text.str, range.first);
lr_tb_write_blank(&pos_vars, arena, &list, index);
lr_tb_write_blank(&pos_vars, face, arena, &list, index);
}
}
@ -538,7 +538,7 @@ layout_wrap_whitespace__inner(Application_Links *app, Arena *arena, Buffer_ID bu
LefRig_TopBot_Layout_Vars pos_vars = get_lr_tb_layout_vars(&advance_map, &metrics, width);
if (text.size == 0){
lr_tb_write_blank(&pos_vars, arena, &list, range.first);
lr_tb_write_blank(&pos_vars, face, arena, &list, range.first);
}
else{
b32 skipping_leading_whitespace = false;
@ -574,7 +574,7 @@ layout_wrap_whitespace__inner(Application_Links *app, Arena *arena, Buffer_ID bu
Character_Consume_Result consume =
utf8_consume(ptr, (umem)(word_end - ptr));
if (consume.codepoint != max_u32){
total_advance += lr_tb_advance(&pos_vars, consume.codepoint);
total_advance += lr_tb_advance(&pos_vars, face, consume.codepoint);
}
else{
total_advance += lr_tb_advance_byte(&pos_vars);
@ -595,10 +595,10 @@ layout_wrap_whitespace__inner(Application_Links *app, Arena *arena, Buffer_ID bu
i64 index = layout_index_from_ptr(ptr, text.str, range.first);
if (consume.codepoint != max_u32){
lr_tb_write(&pos_vars, arena, &list, index, consume.codepoint);
lr_tb_write(&pos_vars, face, arena, &list, index, consume.codepoint);
}
else{
lr_tb_write_byte(&pos_vars, arena, &list, index, *ptr);
lr_tb_write_byte(&pos_vars, face, arena, &list, index, *ptr);
}
ptr += consume.inc;
@ -620,12 +620,12 @@ layout_wrap_whitespace__inner(Application_Links *app, Arena *arena, Buffer_ID bu
case ' ':
{
newline_layout_consume_default(&newline_vars);
f32 advance = lr_tb_advance(&pos_vars, *ptr);
f32 advance = lr_tb_advance(&pos_vars, face, *ptr);
if (!skipping_leading_whitespace){
if (!first_of_the_line && lr_tb_crosses_width(&pos_vars, advance)){
lr_tb_next_line(&pos_vars);
}
lr_tb_write_with_advance(&pos_vars, advance, arena, &list, index, *ptr);
lr_tb_write_with_advance(&pos_vars, face, advance, arena, &list, index, *ptr);
first_of_the_line = false;
}
else{
@ -636,11 +636,11 @@ layout_wrap_whitespace__inner(Application_Links *app, Arena *arena, Buffer_ID bu
default:
{
newline_layout_consume_default(&newline_vars);
f32 advance = lr_tb_advance(&pos_vars, *ptr);
f32 advance = lr_tb_advance(&pos_vars, face, *ptr);
if (!first_of_the_line && lr_tb_crosses_width(&pos_vars, advance)){
lr_tb_next_line(&pos_vars);
}
lr_tb_write_with_advance(&pos_vars, advance, arena, &list, index, *ptr);
lr_tb_write_with_advance(&pos_vars, face, advance, arena, &list, index, *ptr);
first_of_the_line = false;
}break;
@ -652,7 +652,7 @@ layout_wrap_whitespace__inner(Application_Links *app, Arena *arena, Buffer_ID bu
case '\n':
{
u64 newline_index = newline_layout_consume_LF(&newline_vars, index);
lr_tb_write_blank(&pos_vars, arena, &list, newline_index);
lr_tb_write_blank(&pos_vars, face, arena, &list, newline_index);
lr_tb_next_line(&pos_vars);
first_of_the_line = true;
}break;
@ -661,7 +661,7 @@ layout_wrap_whitespace__inner(Application_Links *app, Arena *arena, Buffer_ID bu
if (newline_layout_consume_finish(&newline_vars)){
i64 index = layout_index_from_ptr(ptr, text.str, range.first);
lr_tb_write_blank(&pos_vars, arena, &list, index);
lr_tb_write_blank(&pos_vars, face, arena, &list, index);
}
}

View File

@ -715,6 +715,7 @@ struct Layout_Item_Block{
Layout_Item *items;
i64 item_count;
i64 character_count;
Face_ID face;
};
api(custom)