+ (void) draw:(NSString *)string_ x:(float)x_ y:(float)y_{
NSAttributedString *attrString;
GLuint *texId;
glClearColor( 0.0f, 0.0f, 0.0f, 0.0f );
glClearDepth( 1.0f );
glDisable(GL_CULL_FACE);
glEnable( GL_BLEND );
glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
int i, strSize;
NSFont *nsfont;
NSDictionary *attrsDictionary;
NSAttributedString *singleChar;
NSImage **images;
NSBitmapImageRep **imageReps;
NSImage* img;
NSPoint point;
NSSize size;
int texWidth_=10;
int texHeight_=10;
// alloc texture id and image buffer
strSize = (int)[string_ length];
texId = (GLuint*)malloc( sizeof(GLuint)*strSize );
images = (NSImage**)malloc( sizeof(NSImage*)*strSize );
imageReps = (NSBitmapImageRep**)malloc( sizeof(NSBitmapImageRep*)*strSize );
for( i = 0; i < strSize; i++ ){
images[i] = [[NSImage alloc] initWithSize:NSMakeSize( texWidth_, texHeight_ )];
}
// font settings
NSSize screenResolution = [[[[NSScreen mainScreen] deviceDescription] objectForKey:NSDeviceResolution] sizeValue];
int fontSize_ = texWidth_ * 72.0/screenResolution.width;
nsfont = [NSFont fontWithName:@"HiraKakuPro-W6" size:fontSize_];
attrsDictionary = [NSDictionary dictionaryWithObjectsAndKeys:
nsfont, NSFontAttributeName,
[NSColor whiteColor], NSForegroundColorAttributeName,
[NSColor clearColor], NSBackgroundColorAttributeName,
nil
];
// alloc attributed string
attrString = [[NSAttributedString alloc] initWithString:string_ attributes:attrsDictionary];
// create texture id
glEnable( GL_TEXTURE_2D );
glGenTextures( strSize, texId );
// build texture image
for( i = 0; i < strSize; i++ ){
img = images[i];
singleChar = [attrString attributedSubstringFromRange:NSMakeRange(i,1)];
// setting background color
[img setBackgroundColor:[NSColor clearColor]];
// calc center position
size = [singleChar size];
point = NSMakePoint( (texWidth_-size.width)/2, (texHeight_-size.height)/2 );
// draw character to image
[img lockFocus];
[singleChar drawAtPoint:point];
[img unlockFocus];
// alloc bitmap image from NSImage
imageReps[i] = [[NSBitmapImageRep alloc] initWithData:[img TIFFRepresentation]];
// texture settings
glBindTexture( GL_TEXTURE_2D, texId[i] );
glTexImage2D(
GL_TEXTURE_2D, 0, GL_RGBA,
texWidth_, texHeight_, 0,
[imageReps[i] hasAlpha] ? GL_RGBA :GL_RGB,
GL_UNSIGNED_BYTE,
[imageReps[i] bitmapData]
);
glPixelStorei( GL_UNPACK_ALIGNMENT, 1 );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
glBindTexture( GL_TEXTURE_2D, 0 );
}
glDisable( GL_TEXTURE_2D );
// release
for( i = 0; i < strSize; i++ ){
[imageReps[i] release];
[images[i] release];
}
free( imageReps );
free( images );
strSize = (int)[string_ length];
glEnable( GL_TEXTURE_2D );
for( i = 0; i < strSize; i++ ){
glBindTexture( GL_TEXTURE_2D, texId[i] );
glBegin(GL_POLYGON);
float wf_=0.1f; // TODO Viewのサイズからきちんと求める
float hf_=0.1f;
glColor4f(1.0f, 0.0f, 0.0f, 1.0f);
glTexCoord2f( 0, 1 );
glVertex2f( x_+i*wf_, y_ );
glTexCoord2f( 1, 1 );
glVertex2f( x_+(i+1)*wf_, y_ );
glTexCoord2f( 1, 0 );
glVertex2f( x_+(i+1)*wf_, y_+hf_ );
glTexCoord2f( 0, 0 );
glVertex2f( x_+i*wf_, y_+hf_);
glEnd();
}
glDisable( GL_TEXTURE_2D );
glDeleteTextures((int) [string_ length], texId );
free( texId );
[attrString release];
}