mirror of
https://github.com/RGBCube/serenity
synced 2025-07-25 17:27:35 +00:00
LibDraw: Introduce (formerly known as SharedGraphics.)
Instead of LibGUI and WindowServer building their own copies of the drawing and graphics code, let's it in a separate LibDraw library. This avoids building the code twice, and will encourage better separation of concerns. :^)
This commit is contained in:
parent
2167f60235
commit
1c0669f010
120 changed files with 201 additions and 190 deletions
95
Libraries/LibDraw/Font.h
Normal file
95
Libraries/LibDraw/Font.h
Normal file
|
@ -0,0 +1,95 @@
|
|||
#pragma once
|
||||
|
||||
#include <AK/AKString.h>
|
||||
#include <AK/MappedFile.h>
|
||||
#include <AK/RefPtr.h>
|
||||
#include <AK/RefCounted.h>
|
||||
#include <AK/Types.h>
|
||||
#include <LibDraw/Rect.h>
|
||||
|
||||
// FIXME: Make a MutableGlyphBitmap buddy class for FontEditor instead?
|
||||
class GlyphBitmap {
|
||||
friend class Font;
|
||||
|
||||
public:
|
||||
const unsigned* rows() const { return m_rows; }
|
||||
unsigned row(unsigned index) const { return m_rows[index]; }
|
||||
|
||||
bool bit_at(int x, int y) const { return row(y) & (1 << x); }
|
||||
void set_bit_at(int x, int y, bool b)
|
||||
{
|
||||
auto& mutable_row = const_cast<unsigned*>(m_rows)[y];
|
||||
if (b)
|
||||
mutable_row |= 1 << x;
|
||||
else
|
||||
mutable_row &= ~(1 << x);
|
||||
}
|
||||
|
||||
Size size() const { return m_size; }
|
||||
int width() const { return m_size.width(); }
|
||||
int height() const { return m_size.height(); }
|
||||
|
||||
private:
|
||||
GlyphBitmap(const unsigned* rows, Size size)
|
||||
: m_rows(rows)
|
||||
, m_size(size)
|
||||
{
|
||||
}
|
||||
|
||||
const unsigned* m_rows { nullptr };
|
||||
Size m_size;
|
||||
};
|
||||
|
||||
class Font : public RefCounted<Font> {
|
||||
public:
|
||||
static Font& default_font();
|
||||
static Font& default_bold_font();
|
||||
|
||||
static Font& default_fixed_width_font();
|
||||
|
||||
RefPtr<Font> clone() const;
|
||||
|
||||
static RefPtr<Font> load_from_file(const StringView& path);
|
||||
bool write_to_file(const StringView& path);
|
||||
|
||||
~Font();
|
||||
|
||||
GlyphBitmap glyph_bitmap(char ch) const { return GlyphBitmap(&m_rows[(u8)ch * m_glyph_height], { glyph_width(ch), m_glyph_height }); }
|
||||
|
||||
u8 glyph_width(char ch) const { return m_fixed_width ? m_glyph_width : m_glyph_widths[(u8)ch]; }
|
||||
u8 glyph_height() const { return m_glyph_height; }
|
||||
u8 min_glyph_width() const { return m_min_glyph_width; }
|
||||
u8 max_glyph_width() const { return m_max_glyph_width; }
|
||||
u8 glyph_spacing() const { return m_fixed_width ? 0 : 1; }
|
||||
int width(const StringView& string) const;
|
||||
|
||||
String name() const { return m_name; }
|
||||
void set_name(const StringView& name) { m_name = name; }
|
||||
|
||||
bool is_fixed_width() const { return m_fixed_width; }
|
||||
void set_fixed_width(bool b) { m_fixed_width = b; }
|
||||
|
||||
void set_glyph_width(char ch, u8 width)
|
||||
{
|
||||
ASSERT(m_glyph_widths);
|
||||
m_glyph_widths[(u8)ch] = width;
|
||||
}
|
||||
|
||||
private:
|
||||
Font(const StringView& name, unsigned* rows, u8* widths, bool is_fixed_width, u8 glyph_width, u8 glyph_height);
|
||||
|
||||
static RefPtr<Font> load_from_memory(const u8*);
|
||||
|
||||
String m_name;
|
||||
|
||||
unsigned* m_rows { nullptr };
|
||||
u8* m_glyph_widths { nullptr };
|
||||
MappedFile m_mapped_file;
|
||||
|
||||
u8 m_glyph_width { 0 };
|
||||
u8 m_glyph_height { 0 };
|
||||
u8 m_min_glyph_width { 0 };
|
||||
u8 m_max_glyph_width { 0 };
|
||||
|
||||
bool m_fixed_width { false };
|
||||
};
|
Loading…
Add table
Add a link
Reference in a new issue