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SDL: OS X support for -uifont [Tim Lindner]

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This commit is contained in:
R. Belmont 2010-11-15 17:34:03 +00:00
parent 3c10bcaed2
commit 64141e7c07
1 changed files with 126 additions and 3 deletions
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129
src/osd/sdl/sdlmain.c
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@ -18,6 +18,9 @@
#include <SDL_ttf.h> #include <SDL_ttf.h>
#include <fontconfig/fontconfig.h> #include <fontconfig/fontconfig.h>
#endif #endif
#ifdef SDLMAME_MACOSX
#include <Carbon/Carbon.h>
#endif
#endif #endif
// standard includes // standard includes
@ -623,6 +626,11 @@ void sdl_osd_interface::init(running_machine &machine)
#ifdef SDLMAME_UNIX #ifdef SDLMAME_UNIX
#ifdef SDLMAME_MACOSX #ifdef SDLMAME_MACOSX
#define EXTRA_HEIGHT 1.0
#define EXTRA_WIDTH 1.15
#define POINT_SIZE 144.0
//------------------------------------------------- //-------------------------------------------------
// font_open - attempt to "open" a handle to the // font_open - attempt to "open" a handle to the
// font with the given name // font with the given name
@ -630,7 +638,53 @@ void sdl_osd_interface::init(running_machine &machine)
osd_font sdl_osd_interface::font_open(const char *_name, int &height) osd_font sdl_osd_interface::font_open(const char *_name, int &height)
{ {
return (osd_font)NULL; CFStringRef font_name = NULL;
CTFontRef ct_font;
CTFontDescriptorRef font_descriptor;
CGAffineTransform affine_transform = CGAffineTransformIdentity;
astring name(_name);
if (name == "default")
{
name = "LucidaGrande";
}
font_name = CFStringCreateWithCString( NULL, _name, kCFStringEncodingUTF8 );
if( font_name != NULL )
{
font_descriptor = CTFontDescriptorCreateWithNameAndSize( font_name, POINT_SIZE );
if( font_descriptor != NULL )
{
ct_font = CTFontCreateWithFontDescriptor( font_descriptor, POINT_SIZE, &affine_transform );
CFRelease( font_descriptor );
}
}
CFRelease( font_name );
if (!ct_font)
{
printf("WARNING: Couldn't find/open font %s, using MAME default\n", name.cstr());
return NULL;
}
CFStringRef real_name = CTFontCopyPostScriptName( ct_font );
char real_name_c_string[255];
CFStringGetCString ( real_name, real_name_c_string, 255, kCFStringEncodingUTF8 );
mame_printf_verbose("Matching font: %s\n", real_name_c_string);
CFRelease( real_name );
CGFloat line_height = 0.0;
line_height += CTFontGetAscent(ct_font);
line_height += CTFontGetDescent(ct_font);
line_height += CTFontGetLeading(ct_font);
height = ceilf(line_height * EXTRA_HEIGHT);
return (osd_font)ct_font;
} }
//------------------------------------------------- //-------------------------------------------------
@ -640,6 +694,12 @@ osd_font sdl_osd_interface::font_open(const char *_name, int &height)
void sdl_osd_interface::font_close(osd_font font) void sdl_osd_interface::font_close(osd_font font)
{ {
CTFontRef ct_font = (CTFontRef)font;
if( ct_font != NULL )
{
CFRelease( ct_font );
}
} }
//------------------------------------------------- //-------------------------------------------------
@ -652,9 +712,72 @@ void sdl_osd_interface::font_close(osd_font font)
bitmap_t *sdl_osd_interface::font_get_bitmap(osd_font font, unicode_char chnum, INT32 &width, INT32 &xoffs, INT32 &yoffs) bitmap_t *sdl_osd_interface::font_get_bitmap(osd_font font, unicode_char chnum, INT32 &width, INT32 &xoffs, INT32 &yoffs)
{ {
return (bitmap_t *)NULL; UniChar uni_char;
CGGlyph glyph;
bitmap_t *bitmap = (bitmap_t *)NULL;
CTFontRef ct_font = (CTFontRef)font;
const CFIndex count = 1;
CGRect bounding_rect, success_rect;
CGContextRef context_ref;
if( chnum == ' ' )
{
uni_char = 'n';
CTFontGetGlyphsForCharacters( ct_font, &uni_char, &glyph, count );
success_rect = CTFontGetBoundingRectsForGlyphs( ct_font, kCTFontDefaultOrientation, &glyph, &bounding_rect, count );
uni_char = chnum;
CTFontGetGlyphsForCharacters( ct_font, &uni_char, &glyph, count );
} }
#else else
{
uni_char = chnum;
CTFontGetGlyphsForCharacters( ct_font, &uni_char, &glyph, count );
success_rect = CTFontGetBoundingRectsForGlyphs( ct_font, kCTFontDefaultOrientation, &glyph, &bounding_rect, count );
}
if( CGRectEqualToRect( success_rect, CGRectNull ) == false )
{
size_t bitmap_width;
size_t bitmap_height;
bitmap_width = ceilf(bounding_rect.size.width * EXTRA_WIDTH);
bitmap_width = bitmap_width == 0 ? 1 : bitmap_width;
bitmap_height = ceilf( (CTFontGetAscent(ct_font) + CTFontGetDescent(ct_font) + CTFontGetLeading(ct_font)) * EXTRA_HEIGHT);
xoffs = yoffs = 0;
width = bitmap_width;
size_t bits_per_component;
CGColorSpaceRef color_space;
CGBitmapInfo bitmap_info = kCGBitmapByteOrder32Host | kCGImageAlphaPremultipliedFirst;
color_space = CGColorSpaceCreateDeviceRGB();
bits_per_component = 8;
bitmap = auto_alloc(&machine(), bitmap_t(bitmap_width, bitmap_height, BITMAP_FORMAT_ARGB32));
context_ref = CGBitmapContextCreate( bitmap->base, bitmap_width, bitmap_height, bits_per_component, bitmap->rowpixels*4, color_space, bitmap_info );
if( context_ref != NULL )
{
CGFontRef font_ref;
font_ref = CTFontCopyGraphicsFont( ct_font, NULL );
CGContextSetTextPosition(context_ref, -bounding_rect.origin.x*EXTRA_WIDTH, CTFontGetDescent(ct_font)+CTFontGetLeading(ct_font) );
CGContextSetRGBFillColor(context_ref, 1.0, 1.0, 1.0, 1.0);
CGContextSetFont( context_ref, font_ref );
CGContextSetFontSize( context_ref, POINT_SIZE );
CGContextShowGlyphs( context_ref, &glyph, count );
CGFontRelease( font_ref );
CGContextRelease( context_ref );
}
CGColorSpaceRelease( color_space );
}
return bitmap;
}
#else // UNIX but not OSX
//------------------------------------------------- //-------------------------------------------------
// font_open - attempt to "open" a handle to the // font_open - attempt to "open" a handle to the
// font with the given name // font with the given name