78 lines
1.4 KiB
C
78 lines
1.4 KiB
C
/*
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* Mr. 4th Dimention - Allen Webster
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*
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* 24.01.2018
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*
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* Buffer types
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*
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*/
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// TOP
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#if !defined(FRED_BUFFER_H)
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#define FRED_BUFFER_H
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struct Cursor_With_Index{
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i64 pos;
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i32 index;
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};
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struct Gap_Buffer{
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Base_Allocator *allocator;
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u8 *data;
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i64 size1;
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i64 gap_size;
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i64 size2;
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i64 max;
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// NOTE(allen): If there are N lines I store N + 1 slots in this array with
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// line_starts[N] = size of the buffer.
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// The variable line_start_count stores N + 1; call buffer_line_count(buffer)
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// to get "N" the actual number of lines.
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i64 *line_starts;
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i64 line_start_count;
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i64 line_start_max;
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};
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struct Buffer_Chunk_Position{
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i64 real_pos;
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i64 chunk_pos;
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i64 chunk_index;
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};
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typedef u32 Buffer_Layout_Flag;
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enum{
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BRFlag_Special_Character = (1 << 0),
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BRFlag_Ghost_Character = (1 << 1)
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};
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struct Buffer_Layout_Item{
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i64 index;
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u32 codepoint;
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Buffer_Layout_Flag flags;
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Rect_f32 rect;
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};
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struct Buffer_Layout_Item_Block{
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Buffer_Layout_Item_Block *next;
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Buffer_Layout_Item *items;
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i64 count;
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i64 character_count;
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};
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struct Buffer_Layout_Item_List{
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Buffer_Layout_Item_Block *first;
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Buffer_Layout_Item_Block *last;
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i32 node_count;
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i32 total_count;
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f32 height;
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f32 bottom_extension;
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i64 character_count;
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Interval_i64 index_range;
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};
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#endif
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// BOTTOM
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