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https://github.com/darlinghq/darling-cocotron.git
synced 2024-11-23 12:09:51 +00:00
81388169c4
It would be nice to have a proper public/private headers split, but Onyx2D is just not designed for it (as are other Cocotron frameworks). This way, it is at least possible to use Onyx2D without adding the full Cocotron source tree into the include path.
123 lines
4.0 KiB
Objective-C
123 lines
4.0 KiB
Objective-C
#import <Onyx2D/O2Font+PDF.h>
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#import <Onyx2D/O2PDFArray.h>
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#import <Onyx2D/O2PDFDictionary.h>
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#import <Onyx2D/O2PDFContext.h>
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#import <Foundation/NSArray.h>
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#import <Onyx2D/O2Encoding.h>
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@implementation O2Font(PDF)
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extern NSString *O2MacRomanGlyphNames[256];
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uint8_t O2PDFMacRomanPositionOfGlyphName(NSString *name){
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static NSDictionary *map=nil;
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if(map==nil){
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NSMutableDictionary *mutmap=[NSMutableDictionary new];
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int i;
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for(i=0;i<256;i++)
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[mutmap setObject:[NSNumber numberWithInt:i] forKey:O2MacRomanGlyphNames[i]];
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map=mutmap;
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}
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return [[map objectForKey:name] intValue];
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}
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O2PDFArray *O2FontCreatePDFWidthsWithEncoding(O2FontRef self,O2Encoding *encoding){
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CGFloat unitsPerEm=O2FontGetUnitsPerEm(self);
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O2PDFArray *result=[[O2PDFArray alloc] init];
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O2Glyph glyphs[256];
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int widths[256];
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int i;
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[encoding getGlyphs:glyphs];
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O2FontGetGlyphAdvances(self,glyphs,256,widths);
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for(i=32;i<256;i++){
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O2PDFReal width=(widths[i]/unitsPerEm)*1000; // normalized to 1000
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[result addNumber:width];
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}
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return result;
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}
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// this is overriden for GDI
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-(void)getMacRomanBytes:(unsigned char *)bytes forGlyphs:(const O2Glyph *)glyphs length:(unsigned)length {
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int i;
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for(i=0;i<length;i++){
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NSString *name=O2FontCopyGlyphNameForGlyph(self,glyphs[i]);
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bytes[i]=O2PDFMacRomanPositionOfGlyphName(name);
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[name release];
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}
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}
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-(const char *)pdfFontName {
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// possibly wrong encoding
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return [[[self->_name componentsSeparatedByString:@" "] componentsJoinedByString:@","] cStringUsingEncoding:NSISOLatin1StringEncoding];
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}
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-(O2PDFDictionary *)_pdfFontDescriptorWithSize:(CGFloat)size {
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O2PDFDictionary *result=[O2PDFDictionary pdfDictionary];
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[result setNameForKey:"Type" value:"FontDescriptor"];
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[result setNameForKey:"FontName" value:[self pdfFontName]];
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[result setIntegerForKey:"Flags" value:4];
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CGFloat unitsPerEm=O2FontGetUnitsPerEm(self);
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O2PDFReal bbox[4];
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O2Rect bRect=O2FontGetFontBBox(self);
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bRect.origin.x/=unitsPerEm*size;
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bRect.origin.y/=unitsPerEm*size;
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bRect.size.width/=unitsPerEm*size;
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bRect.size.height/=unitsPerEm*size;
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bbox[0]=bRect.origin.x;
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bbox[1]=bRect.origin.y;
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bbox[2]=bRect.size.width;
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bbox[3]=bRect.size.height;
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[result setObjectForKey:"FontBBox" value:[O2PDFArray pdfArrayWithNumbers:bbox count:4]];
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[result setIntegerForKey:"ItalicAngle" value:O2FontGetItalicAngle(self)/unitsPerEm*size];
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[result setIntegerForKey:"Ascent" value:O2FontGetAscent(self)/unitsPerEm*size];
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[result setIntegerForKey:"Descent" value:O2FontGetDescent(self)/unitsPerEm*size];
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[result setIntegerForKey:"CapHeight" value:O2FontGetCapHeight(self)/unitsPerEm*size];
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[result setIntegerForKey:"StemV" value:0];
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[result setIntegerForKey:"StemH" value:0];
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return result;
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}
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-(O2PDFObject *)encodeReferenceWithContext:(O2PDFContext *)context size:(CGFloat)size {
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O2PDFObject *reference=[context referenceForFontWithName:self->_name size:size];
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if(reference==nil){
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O2PDFDictionary *result=[O2PDFDictionary pdfDictionary];
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O2Encoding *encoding=[self createEncodingForTextEncoding:kO2EncodingMacRoman];
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[result setNameForKey:"Type" value:"Font"];
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[result setNameForKey:"Subtype" value:"TrueType"];
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[result setNameForKey:"BaseFont" value:[self pdfFontName]];
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[result setIntegerForKey:"FirstChar" value:32];
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[result setIntegerForKey:"LastChar" value:255];
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O2PDFArray *widths=O2FontCreatePDFWidthsWithEncoding(self,encoding);
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[encoding release];
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[result setObjectForKey:"Widths" value:[context encodeIndirectPDFObject:widths]];
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[widths release];
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[result setObjectForKey:"FontDescriptor" value:[context encodeIndirectPDFObject:[self _pdfFontDescriptorWithSize:size]]];
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[result setNameForKey:"Encoding" value:"MacRomanEncoding"];
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reference=[context encodeIndirectPDFObject:result];
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[context setReference:reference forFontWithName:self->_name size:size];
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}
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return reference;
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}
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@end
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