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Load the default font from disk in the kernel as well.

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This commit is contained in:
Andreas Kling 2019-02-03 01:42:34 +01:00
parent abe3f515b1
commit 5751063c63
2 changed files with 17 additions and 1059 deletions
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25
SharedGraphics/Font.cpp
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@ -1,10 +1,13 @@
#include "Font.h"
#include "Peanut8x10.h"
#include "Liza8x10.h"
#include <AK/kmalloc.h>
#include <AK/BufferStream.h>
#include <AK/StdLibExtras.h>
#ifdef KERNEL
#include <Kernel/FileDescriptor.h>
#include <Kernel/VirtualFileSystem.h>
#endif
#ifdef USERLAND
#include <LibC/unistd.h>
#include <LibC/stdio.h>
@ -13,8 +16,6 @@
#include <LibC/mman.h>
#endif
#define DEFAULT_FONT_NAME Liza8x10
static const byte error_glyph_width = 8;
static const byte error_glyph_height = 10;
static constexpr const char* error_glyph {
@ -39,13 +40,21 @@ void Font::initialize()
Font& Font::default_font()
{
static const char* default_font_path = "/res/fonts/Liza8x10.font";
if (!s_default_font) {
#ifdef USERLAND
s_default_font = Font::load_from_file("/res/fonts/Liza8x10.font").leak_ref();
s_default_font = Font::load_from_file(default_font_path).leak_ref();
ASSERT(s_default_font);
#else
s_default_font = adopt(*new Font(DEFAULT_FONT_NAME::name, DEFAULT_FONT_NAME::glyphs, DEFAULT_FONT_NAME::glyph_width, DEFAULT_FONT_NAME::glyph_height, DEFAULT_FONT_NAME::first_glyph, DEFAULT_FONT_NAME::last_glyph)).leak_ref();
int error;
auto descriptor = VFS::the().open(default_font_path, error, 0, 0, *VFS::the().root_inode());
if (!descriptor) {
kprintf("Failed to open default font (%s)\n", default_font_path);
ASSERT_NOT_REACHED();
}
auto buffer = descriptor->read_entire_file(*current);
ASSERT(buffer);
s_default_font = Font::load_from_memory(buffer.pointer()).leak_ref();
#endif
}
return *s_default_font;
@ -92,7 +101,6 @@ Font::~Font()
{
}
#ifdef USERLAND
struct FontFileHeader {
char magic[4];
byte glyph_width;
@ -135,6 +143,7 @@ RetainPtr<Font> Font::load_from_memory(const byte* data)
return adopt(*new Font(String(header.name), new_glyphs, header.glyph_width, header.glyph_height, 0, 255));
}
#ifdef USERLAND
RetainPtr<Font> Font::load_from_file(const String& path)
{
int fd = open(path.characters(), O_RDONLY, 0644);