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| version 1.130, 2009/08/08 13:30:20 | version 1.154, 2016/10/04 22:05:28 |
|---|---|
| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: @b image parser class. | Parser: @b image parser class. |
| Copyright(c) 2001-2009 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001-2015 Art. Lebedev Studio (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) |
| */ | */ |
| static const char * const IDENT_IMAGE_C="$Date$"; | |
| /* | /* |
| jpegsize: gets the width and height (in pixels) of a jpeg file | jpegsize: gets the width and height (in pixels) of a jpeg file |
| Andrew Tong, werdna@ugcs.caltech.edu February 14, 1995 | Andrew Tong, werdna@ugcs.caltech.edu February 14, 1995 |
| Line 17 static const char * const IDENT_IMAGE_C= | Line 15 static const char * const IDENT_IMAGE_C= |
| */ | */ |
| #include "pa_config_includes.h" | #include "pa_config_includes.h" |
| #include "pa_vmethod_frame.h" | |
| #include "gif.h" | #include "gif.h" |
| #include "pa_vmethod_frame.h" | |
| #include "pa_common.h" | #include "pa_common.h" |
| #include "pa_request.h" | #include "pa_request.h" |
| #include "pa_vfile.h" | #include "pa_vfile.h" |
| Line 29 static const char * const IDENT_IMAGE_C= | Line 25 static const char * const IDENT_IMAGE_C= |
| #include "pa_vdate.h" | #include "pa_vdate.h" |
| #include "pa_table.h" | #include "pa_table.h" |
| volatile const char * IDENT_IMAGE_C="$Id$"; | |
| // defines | // defines |
| static const String spacebar_width_name("space"); | static const String spacebar_width_name("space"); |
| Line 43 public: // VStateless_class | Line 41 public: // VStateless_class |
| public: | public: |
| MImage(); | MImage(); |
| public: // Methoded | |
| bool used_directly() { return true; } | |
| }; | }; |
| // globals | // globals |
| DECLARE_CLASS_VAR(image, new MImage, 0); | DECLARE_CLASS_VAR(image, new MImage); |
| // helpers | // helpers |
| Line 185 public: | Line 179 public: |
| EXIF_TAG(0xa40b, DeviceSettingDescription); | EXIF_TAG(0xa40b, DeviceSettingDescription); |
| EXIF_TAG(0xa40c, SubjectDistanceRange); | EXIF_TAG(0xa40c, SubjectDistanceRange); |
| EXIF_TAG(0xa420, ImageUniqueID); | EXIF_TAG(0xa420, ImageUniqueID); |
| // other tags | |
| EXIF_TAG(0xa430, CameraOwnerName); | |
| EXIF_TAG(0xa431, BodySerialNumber); | |
| EXIF_TAG(0xa432, LensSpecification); | |
| EXIF_TAG(0xa433, LensManufactor); | |
| EXIF_TAG(0xa434, LensModel); | |
| EXIF_TAG(0xa435, LensSerialNumber); | |
| } | } |
| } exif_tag_value2name; | } exif_tag_value2name; |
| Line 236 public: | Line 238 public: |
| }; | }; |
| class Measure_file_reader: public Measure_reader { | class Measure_file_reader: public Measure_reader { |
| const String& file_name; const char* fname; | const String& file_name; |
| int f; | int f; |
| public: | public: |
| Measure_file_reader(int af, const String& afile_name, const char* afname): | Measure_file_reader(int af, const String& afile_name): |
| file_name(afile_name), fname(afname), f(af) { | file_name(afile_name), f(af) { |
| } | } |
| override size_t read(const char* &abuf, size_t limit) { | override size_t read(const char* &abuf, size_t limit) { |
| Line 249 public: | Line 251 public: |
| return 0; | return 0; |
| char* lbuf=new(PointerFreeGC) char[limit]; | char* lbuf=new(PointerFreeGC) char[limit]; |
| size_t read_size=(size_t)::read(f, lbuf, limit); abuf=lbuf; | ssize_t read_size=::read(f, lbuf, limit); abuf=lbuf; |
| if(ssize_t(read_size)<0 || read_size>limit) | if(read_size<0) |
| throw Exception(0, | throw Exception(0, &file_name, "measure read failed: %s (%d)", strerror(errno), errno); |
| &file_name, | |
| "measure failed: actually read %u bytes count not in [0..%u] valid range", | |
| read_size, limit); | |
| return read_size; | return read_size; |
| } | } |
| override void seek(long value, int whence) { | override void seek(long value, int whence) { |
| if(lseek(f, value, whence)<0) | if(lseek(f, value, whence)<0) |
| throw Exception(IMAGE_FORMAT, | throw Exception(IMAGE_FORMAT, &file_name, "seek(value=%ld, whence=%d) failed: %s (%d)", value, whence, strerror(errno), errno); |
| &file_name, | |
| "seek(value=%ld, whence=%d) failed: %s (%d), actual filename '%s'", | |
| value, whence, strerror(errno), errno, fname); | |
| } | } |
| override long tell() { return lseek(f, 0, SEEK_CUR); } | override long tell() { return lseek(f, 0, SEEK_CUR); } |
| Line 402 inline uint endian_to_uint(bool is_big, | Line 397 inline uint endian_to_uint(bool is_big, |
| x_endian_to_uint(b[0], b[1], b[2], b[3]); | x_endian_to_uint(b[0], b[1], b[2], b[3]); |
| } | } |
| static void measure_gif(const String& origin_string, | static void measure_gif(const String& origin_string, Measure_reader& reader, ushort& width, ushort& height) { |
| Measure_reader& reader, ushort& width, ushort& height) { | |
| const char* buf; | const char* buf; |
| const size_t head_size=sizeof(GIF_Header); | const size_t head_size=sizeof(GIF_Header); |
| Line 469 static Value* parse_IFD_entry_formatted_ | Line 463 static Value* parse_IFD_entry_formatted_ |
| } | } |
| // date.C | // date.C |
| tm cstr_to_time_t(char *cstr); | tm cstr_to_time_t(char *, const char **); |
| static Value* parse_IFD_entry_formatted_value(bool is_big, ushort format, | static Value* parse_IFD_entry_formatted_value(bool is_big, ushort format, |
| size_t component_size, uint components_count, | size_t component_size, uint components_count, |
| Line 485 static Value* parse_IFD_entry_formatted_ | Line 479 static Value* parse_IFD_entry_formatted_ |
| strcpy(cstr_writable, cstr); | strcpy(cstr_writable, cstr); |
| try { | try { |
| return new VDate(cstr_to_time_t(cstr_writable)); | tm tmIn=cstr_to_time_t(cstr_writable, 0); |
| return new VDate(tmIn); | |
| } | } |
| catch(...) { /*ignore bad date times*/ } | catch(...) { /*ignore bad date times*/ } |
| } | } |
| Line 586 static void parse_IFD_entry(HashStringVa | Line 581 static void parse_IFD_entry(HashStringVa |
| if(Value* value=parse_IFD_entry_value(is_big, reader, tiff_base, entry)) { | if(Value* value=parse_IFD_entry_value(is_big, reader, tiff_base, entry)) { |
| if(const char* name=(gps)?exif_gps_tag_value2name.get(tag):exif_tag_value2name.get(tag)) | if(const char* name=(gps)?exif_gps_tag_value2name.get(tag):exif_tag_value2name.get(tag)) |
| hash.put(String::Body(name), value); | hash.put(name, value); |
| else | else |
| hash.put(String::Body::Format(tag), value); | hash.put(String::Body::Format(tag), value); |
| } | } |
| Line 639 static Value* parse_exif(Measure_reader& | Line 634 static Value* parse_exif(Measure_reader& |
| return vhash; | return vhash; |
| } | } |
| static void measure_jpeg(const String& origin_string, | static void measure_jpeg(const String& origin_string, Measure_reader& reader, ushort& width, ushort& height, Value** exif) { |
| Measure_reader& reader, ushort& width, ushort& height, Value** exif) { | |
| // JFIF format markers | // JFIF format markers |
| const uchar MARKER=0xFF; | const uchar MARKER=0xFF; |
| const uchar CODE_SIZE_A=0xC0; | const uchar CODE_SIZE_A=0xC0; |
| Line 707 static void measure_jpeg(const String& o | Line 701 static void measure_jpeg(const String& o |
| "broken JPEG file - size frame not found"); | "broken JPEG file - size frame not found"); |
| } | } |
| static void measure_png(const String& origin_string, | static void measure_png(const String& origin_string, Measure_reader& reader, ushort& width, ushort& height) { |
| Measure_reader& reader, ushort& width, ushort& height) { | |
| const char* buf; | const char* buf; |
| const size_t head_size=sizeof(PNG_Header); | const size_t head_size=sizeof(PNG_Header); |
| if(reader.read(buf, head_size)<head_size) | if(reader.read(buf, head_size)<head_size) |
| throw Exception(IMAGE_FORMAT, | throw Exception(IMAGE_FORMAT, &origin_string, "not PNG file - too small"); |
| &origin_string, | |
| "not PNG file - too small"); | |
| PNG_Header *head=(PNG_Header *)buf; | PNG_Header *head=(PNG_Header *)buf; |
| if(strncmp(head->signature, "IHDR", 4)!=0) | if(strncmp(head->signature, "IHDR", 4)!=0) |
| throw Exception(IMAGE_FORMAT, | throw Exception(IMAGE_FORMAT, &origin_string, "not PNG file - wrong signature"); |
| &origin_string, | |
| "not PNG file - wrong signature"); | |
| width=endian_to_ushort(true, head->width); | width=endian_to_ushort(true, head->width); |
| height=endian_to_ushort(true, head->height); | height=endian_to_ushort(true, head->height); |
| Line 729 static void measure_png(const String& or | Line 718 static void measure_png(const String& or |
| // measure center | // measure center |
| static void measure(const String& file_name, | static void measure(const String& file_name, Measure_reader& reader, ushort& width, ushort& height, Value** exif) { |
| Measure_reader& reader, ushort& width, ushort& height, Value** exif) { | |
| const char* file_name_cstr=file_name.taint_cstr(String::L_FILE_SPEC); | const char* file_name_cstr=file_name.taint_cstr(String::L_FILE_SPEC); |
| if(const char* cext=strrchr(file_name_cstr, '.')) { | if(const char* cext=strrchr(file_name_cstr, '.')) { |
| cext++; | cext++; |
| Line 741 static void measure(const String& file_n | Line 729 static void measure(const String& file_n |
| else if(strcasecmp(cext, "PNG")==0) | else if(strcasecmp(cext, "PNG")==0) |
| measure_png(file_name, reader, width, height); | measure_png(file_name, reader, width, height); |
| else | else |
| throw Exception(IMAGE_FORMAT, | throw Exception(IMAGE_FORMAT, &file_name, "unhandled image file name extension '%s'", cext); |
| &file_name, | |
| "unhandled image file name extension '%s'", cext); | |
| } else | } else |
| throw Exception(IMAGE_FORMAT, | throw Exception(IMAGE_FORMAT, &file_name, "can not determine image type - no file name extension"); |
| &file_name, | |
| "can not determine image type - no file name extension"); | |
| } | } |
| // methods | // methods |
| Line 757 struct File_measure_action_info { | Line 741 struct File_measure_action_info { |
| ushort* width; | ushort* width; |
| ushort* height; | ushort* height; |
| Value** exif; | Value** exif; |
| const String* file_name; | |
| }; | }; |
| #endif | #endif |
| static void file_measure_action( | static void file_measure_action(struct stat& /*finfo*/, int f, const String& file_spec, void *context) { |
| struct stat& /*finfo*/, int f, | |
| const String& /*file_spec*/, const char* fname, bool /*as_text*/, | |
| void *context) { | |
| File_measure_action_info& info=*static_cast<File_measure_action_info *>(context); | File_measure_action_info& info=*static_cast<File_measure_action_info *>(context); |
| Measure_file_reader reader(f, *info.file_name, fname); | Measure_file_reader reader(f, file_spec); |
| measure(*info.file_name, reader, *info.width, *info.height, info.exif); | measure(file_spec, reader, *info.width, *info.height, info.exif); |
| } | } |
| static void _measure(Request& r, MethodParams& params) { | static void _measure(Request& r, MethodParams& params) { |
| Line 780 static void _measure(Request& r, MethodP | Line 760 static void _measure(Request& r, MethodP |
| if((file_name=data.get_string())) { | if((file_name=data.get_string())) { |
| File_measure_action_info info={ | File_measure_action_info info={ |
| &width, &height, | &width, &height, |
| &exif, | &exif |
| file_name | |
| }; | }; |
| file_read_action_under_lock(r.absolute(*file_name), | file_read_action_under_lock(r.absolute(*file_name), "measure", file_measure_action, &info); |
| "measure", file_measure_action, &info); | |
| } else { | } else { |
| VFile* vfile=data.as_vfile(String::L_AS_IS); | VFile* vfile=data.as_vfile(String::L_AS_IS); |
| file_name=&vfile->fields().get(name_name)->as_string(); | file_name=&vfile->fields().get(name_name)->as_string(); |
| Line 806 struct Attrib_info { | Line 784 struct Attrib_info { |
| }; | }; |
| #endif | #endif |
| static void append_attrib_pair( | static void append_attrib_pair( |
| HashStringValue::key_type key, | HashStringValue::key_type key, |
| HashStringValue::value_type value, | HashStringValue::value_type value, |
| Attrib_info* info) { | Attrib_info* info) { |
| // skip user-specified and internal(starting with "line-") attributes | // skip user-specified, internal(starting with "line-") attributes and border attribute with empty value |
| if(info->skip && info->skip->get(key) || key.pos("line-")==0) | if( |
| (info->skip && info->skip->get(key)) | |
| || key.pos("line-")==0 | |
| || (key=="border" && !value->is_defined()) | |
| ) | |
| return; | return; |
| // src="a.gif" width=123 ismap[=-1] | // src="a.gif" width="123" ismap[=-1] |
| *info->tag << " " << key; | *info->tag << " " << key; |
| if(value->is_string() || value->as_int()>=0) | if(value->is_string() || value->as_int()>=0) |
| *info->tag << "=\"" << value->as_string() << "\""; | *info->tag << "=\"" << value->as_string() << "\""; |
| Line 828 static void _html(Request& r, MethodPara | Line 810 static void _html(Request& r, MethodPara |
| if(params.count()) { | if(params.count()) { |
| // for backward compatibility: someday was ^html{} | // for backward compatibility: someday was ^html{} |
| Value& vattribs=r.process_to_value(params[0], | Value& vattribs=r.process(params[0]); |
| false/*don't intercept string*/); | if(!vattribs.is_string()) { // allow empty |
| if(!vattribs.is_string()) // allow empty | |
| if((attribs=vattribs.get_hash())) { | if((attribs=vattribs.get_hash())) { |
| Attrib_info info={&tag, 0}; | Attrib_info info={&tag, 0}; |
| attribs->for_each<Attrib_info*>(append_attrib_pair, &info); | attribs->for_each<Attrib_info*>(append_attrib_pair, &info); |
| Line 838 static void _html(Request& r, MethodPara | Line 819 static void _html(Request& r, MethodPara |
| throw Exception(PARSER_RUNTIME, | throw Exception(PARSER_RUNTIME, |
| 0, | 0, |
| "attributes must be hash"); | "attributes must be hash"); |
| } | |
| } | } |
| { | { |
| Line 891 static void _create(Request& r, MethodPa | Line 873 static void _create(Request& r, MethodPa |
| static void _gif(Request& r, MethodParams& params) { | static void _gif(Request& r, MethodParams& params) { |
| gdImage& image=GET_SELF(r, VImage).image(); | gdImage& image=GET_SELF(r, VImage).image(); |
| const String *file_name=0; | const String *file_name=params.count()>0?¶ms.as_string(0, FILE_NAME_MUST_BE_STRING):0; |
| if(params.count()>0) | |
| file_name=¶ms.as_string(0, FILE_NAME_MUST_BE_STRING); | |
| gdBuf buf=image.Gif(); | gdBuf buf=image.Gif(); |
| VFile& vfile=*new VFile; | VFile& vfile=*new VFile; |
| Value* content_type=new VString(*new String("image/gif")); | |
| vfile.set(false/*not tainted*/, | vfile.set_binary(false/*not tainted*/, (const char *)buf.ptr, buf.size, file_name, new VString(*new String("image/gif"))); |
| (const char*)buf.ptr, buf.size, | |
| file_name? file_name->taint_cstr(String::L_FILE_SPEC): 0, | |
| content_type); | |
| r.write_no_lang(vfile); | r.write_no_lang(vfile); |
| } | } |
| Line 961 static void add_point(Table::element_typ | Line 938 static void add_point(Table::element_typ |
| (*p)++; | (*p)++; |
| } | } |
| #endif | #endif |
| #ifndef DOXYGEN | |
| static void add_point(int x, int y, | |
| gdImage::Point **p) { | |
| (**p).x=x; | |
| (**p).y=y; | |
| (*p)++; | |
| } | |
| #endif | |
| static void _replace(Request& r, MethodParams& params) { | static void _replace(Request& r, MethodParams& params) { |
| int src_color=params.as_int(0, "src color must be int", r); | |
| int dest_color=params.as_int(1, "dest color must be int", r); | |
| gdImage& image=GET_SELF(r, VImage).image(); | gdImage& image=GET_SELF(r, VImage).image(); |
| Table* table=params.as_no_junction(2, COORDINATES_MUST_NOT_BE_CODE).get_table(); | gdImage::Point* all_p=0; |
| if(!table) | size_t count=0; |
| throw Exception(PARSER_RUNTIME, | if(params.count() == 3){ |
| 0, | Table* table=params.as_table(2, "coordinates"); |
| "coordinates must be table"); | count=table->count(); |
| all_p=new(PointerFreeGC) gdImage::Point[count]; | |
| gdImage::Point* add_p=all_p; | |
| table->for_each(add_point, &add_p); | |
| } else { | |
| int max_x=image.SX()-1; | |
| int max_y=image.SY()-1; | |
| if(max_x > 0 && max_y > 0){ | |
| count=4; | |
| all_p=new(PointerFreeGC) gdImage::Point[count]; | |
| gdImage::Point* add_p=all_p; | |
| add_point(0, 0, &add_p); | |
| add_point(max_x, 0, &add_p); | |
| add_point(max_x, max_y, &add_p); | |
| add_point(0, max_y, &add_p); | |
| } | |
| } | |
| gdImage::Point *all_p=new(PointerFreeGC) gdImage::Point[table->count()]; | if(count) |
| gdImage::Point *add_p=all_p; | image.FilledPolygonReplaceColor(all_p, count, image.Color(src_color), image.Color(dest_color)); |
| table->for_each(add_point, &add_p); | |
| image.FilledPolygonReplaceColor(all_p, table->count(), | |
| image.Color(params.as_int(0, "src color must be int", r)), | |
| image.Color(params.as_int(1, "dest color must be int", r))); | |
| } | } |
| static void _polyline(Request& r, MethodParams& params) { | static void _polyline(Request& r, MethodParams& params) { |
| gdImage& image=GET_SELF(r, VImage).image(); | gdImage& image=GET_SELF(r, VImage).image(); |
| Table* table=params.as_no_junction(1, COORDINATES_MUST_NOT_BE_CODE).get_table(); | Table* table=params.as_table(1, "coordinates"); |
| if(!table) | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "coordinates must be table"); | |
| gdImage::Point* all_p=new(PointerFreeGC) gdImage::Point[table->count()]; | gdImage::Point* all_p=new(PointerFreeGC) gdImage::Point[table->count()]; |
| gdImage::Point *add_p=all_p; | gdImage::Point *add_p=all_p; |
| Line 998 static void _polyline(Request& r, Method | Line 994 static void _polyline(Request& r, Method |
| static void _polygon(Request& r, MethodParams& params) { | static void _polygon(Request& r, MethodParams& params) { |
| gdImage& image=GET_SELF(r, VImage).image(); | gdImage& image=GET_SELF(r, VImage).image(); |
| Table* table=params.as_no_junction(1, COORDINATES_MUST_NOT_BE_CODE).get_table(); | Table* table=(Table*)params.as_table(1, "coordinates"); |
| if(!table) | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "coordinates must be table"); | |
| gdImage::Point* all_p=new(PointerFreeGC) gdImage::Point[table->count()]; | gdImage::Point* all_p=new(PointerFreeGC) gdImage::Point[table->count()]; |
| gdImage::Point *add_p=all_p; | gdImage::Point *add_p=all_p; |
| Line 1014 static void _polygon(Request& r, MethodP | Line 1006 static void _polygon(Request& r, MethodP |
| static void _polybar(Request& r, MethodParams& params) { | static void _polybar(Request& r, MethodParams& params) { |
| gdImage& image=GET_SELF(r, VImage).image(); | gdImage& image=GET_SELF(r, VImage).image(); |
| Table* table=params.as_no_junction(1, COORDINATES_MUST_NOT_BE_CODE).get_table(); | Table* table=(Table*)params.as_table(1, "coordinates"); |
| if(!table) | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "coordinates must be table"); | |
| gdImage::Point* all_p=new(PointerFreeGC) gdImage::Point[table->count()]; | gdImage::Point* all_p=new(PointerFreeGC) gdImage::Point[table->count()]; |
| gdImage::Point *add_p=all_p; | gdImage::Point *add_p=all_p; |
| Line 1033 static void _polybar(Request& r, MethodP | Line 1021 static void _polybar(Request& r, MethodP |
| // Font class | // Font class |
| Font::Font(//, | Font::Font( |
| Charset& asource_charset, | |
| const String& aalphabet, | const String& aalphabet, |
| gdImage* aifont, int aheight, int amonospace, int aspacebarspace, int aletterspacing): | gdImage* aifont, int aheight, int amonospace, int aspacebarspace, int aletterspacing): |
| height(aheight), monospace(amonospace), spacebarspace(aspacebarspace), | fsource_charset(asource_charset), |
| height(aheight), | |
| monospace(amonospace), | |
| spacebarspace(aspacebarspace), | |
| letterspacing(aletterspacing), | letterspacing(aletterspacing), |
| ifont(aifont), | ifont(aifont), |
| alphabet(aalphabet) { | alphabet(aalphabet) { |
| if(fsource_charset.isUTF8()){ | |
| size_t index=0; | |
| for(UTF8_string_iterator i(alphabet); i.has_next(); ) | |
| fletter2index.put_dont_replace(i.next(), index++); | |
| } | |
| } | } |
| /* ******************************** char ********************************** */ | /* ******************************** char ********************************** */ |
| Line 1049 size_t Font::index_of(char ch) { | Line 1047 size_t Font::index_of(char ch) { |
| return alphabet.pos(ch); | return alphabet.pos(ch); |
| } | } |
| size_t Font::index_of(XMLCh ch) { | |
| if(ch==' ') return STRING_NOT_FOUND; | |
| return fletter2index.get(ch); | |
| } | |
| int Font::index_width(size_t index) { | int Font::index_width(size_t index) { |
| if(index==STRING_NOT_FOUND) | if(index==STRING_NOT_FOUND) |
| return spacebarspace; | return spacebarspace; |
| Line 1076 int Font::step_width(int index) { | Line 1079 int Font::step_width(int index) { |
| int Font::string_width(const String& s){ | int Font::string_width(const String& s){ |
| const char* cstr=s.cstr(); | const char* cstr=s.cstr(); |
| int result=0; | int result=0; |
| for(const char* current=cstr; *current; current++) | |
| result+=step_width(index_of(*current)); | if(fsource_charset.isUTF8()){ |
| for(UTF8_string_iterator i(s); i.has_next(); ) | |
| result+=step_width(index_of(i.next())); | |
| } else { | |
| for(const char* current=cstr; *current; current++) | |
| result+=step_width(index_of(*current)); | |
| } | |
| return result; | return result; |
| } | } |
| void Font::string_display(gdImage& image, int x, int y, const String& s){ | void Font::string_display(gdImage& image, int x, int y, const String& s){ |
| const char* cstr=s.cstr(); | const char* cstr=s.cstr(); |
| for(const char* current=cstr; *current; current++) { | |
| size_t index=index_of(*current); | if(fsource_charset.isUTF8()){ |
| index_display(image, x, y, index); | for(UTF8_string_iterator i(s); i.has_next(); ){ |
| x+=step_width(index); | size_t index=index_of(i.next()); |
| index_display(image, x, y, index); | |
| x+=step_width(index); | |
| } | |
| } else { | |
| for(const char* current=cstr; *current; current++) { | |
| size_t index=index_of(*current); | |
| index_display(image, x, y, index); | |
| x+=step_width(index); | |
| } | |
| } | } |
| } | } |
| Line 1095 void Font::string_display(gdImage& image | Line 1114 void Font::string_display(gdImage& image |
| static void _font(Request& r, MethodParams& params) { | static void _font(Request& r, MethodParams& params) { |
| const String& alphabet=params.as_string(0, "alphabet must not be code"); | const String& alphabet=params.as_string(0, "alphabet must not be code"); |
| if(!alphabet.length()) | size_t alphabet_length=alphabet.length(r.charsets.source()); |
| if(!alphabet_length) | |
| throw Exception(PARSER_RUNTIME, | throw Exception(PARSER_RUNTIME, |
| 0, | 0, |
| "alphabet must not be empty"); | "alphabet must not be empty"); |
| Line 1106 static void _font(Request& r, MethodPara | Line 1126 static void _font(Request& r, MethodPara |
| int monospace_width=0; // proportional | int monospace_width=0; // proportional |
| int letter_spacing=1; | int letter_spacing=1; |
| if(params.count()>2){ | if(params.count()>2){ |
| if(HashStringValue* options=params.as_no_junction(2, "param must be int or hash").get_hash()){ | if(HashStringValue* options=params[2].get_hash()){ |
| // third option is hash | // third option is hash |
| if(params.count()>3) | if(params.count()>3) |
| throw Exception(PARSER_RUNTIME, | throw Exception(PARSER_RUNTIME, 0, "too many params were specified"); |
| 0, | |
| "too many options were specified"); | |
| int valid_options=0; | int valid_options=0; |
| if(Value* vspacebar_width=options->get(spacebar_width_name)){ | if(Value* vspacebar_width=options->get(spacebar_width_name)){ |
| valid_options++; | valid_options++; |
| spacebar_width=r.process_to_value(*vspacebar_width).as_int(); | spacebar_width=r.process(*vspacebar_width).as_int(); |
| } | } |
| if(Value* vmonospace_width=options->get(monospace_width_name)){ | if(Value* vmonospace_width=options->get(monospace_width_name)){ |
| valid_options++; | valid_options++; |
| monospace_width=r.process_to_value(*vmonospace_width).as_int(); | monospace_width=r.process(*vmonospace_width).as_int(); |
| if(!monospace_width) | if(!monospace_width) |
| monospace_width=image->SX(); | monospace_width=image->SX(); |
| } | } |
| if(Value* vletter_spacing=options->get(letter_spacing_name)){ | if(Value* vletter_spacing=options->get(letter_spacing_name)){ |
| valid_options++; | valid_options++; |
| letter_spacing=r.process_to_value(*vletter_spacing).as_int(); | letter_spacing=r.process(*vletter_spacing).as_int(); |
| } | } |
| if(valid_options!=options->count()) | if(valid_options!=options->count()) |
| throw Exception(PARSER_RUNTIME, | throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION); |
| 0, | |
| "called with invalid option"); | |
| } else { | } else { |
| // backward | // backward |
| spacebar_width=params.as_int(2, "spacebar_width must be int", r); | spacebar_width=params.as_int(2, "param must be int or hash", r); |
| if(params.count()>3) { | if(params.count()>3) { |
| monospace_width=params.as_int(3, "monospace_width must be int", r); | monospace_width=params.as_int(3, "monospace_width must be int", r); |
| if(!monospace_width) | if(!monospace_width) |
| Line 1142 static void _font(Request& r, MethodPara | Line 1158 static void _font(Request& r, MethodPara |
| } | } |
| } | } |
| if(int remainder=image->SY() % alphabet.length()) | if(int remainder=image->SY() % alphabet_length) |
| throw Exception(PARSER_RUNTIME, | throw Exception(PARSER_RUNTIME, |
| 0, | 0, |
| "font-file height(%d) not divisable by alphabet size(%d), remainder=%d", | "font-file height(%d) not divisable by alphabet size(%d), remainder=%d", |
| image->SY(), alphabet.length(), remainder); | image->SY(), alphabet_length, remainder); |
| GET_SELF(r, VImage).set_font(new Font( | GET_SELF(r, VImage).set_font(new Font( |
| r.charsets.source(), | |
| alphabet, | alphabet, |
| image, | image, |
| image->SY() / alphabet.length(), monospace_width, spacebar_width, letter_spacing)); | image->SY() / alphabet_length, monospace_width, spacebar_width, letter_spacing)); |
| } | } |
| static void _text(Request& r, MethodParams& params) { | static void _text(Request& r, MethodParams& params) { |
| Line 1291 MImage::MImage(): Methoded("image") { | Line 1308 MImage::MImage(): Methoded("image") { |
| add_native_method("bar", Method::CT_DYNAMIC, _bar, 5, 5); | add_native_method("bar", Method::CT_DYNAMIC, _bar, 5, 5); |
| // ^image.replace(color-source;color-dest)[table x:y] | // ^image.replace(color-source;color-dest)[table x:y] |
| add_native_method("replace", Method::CT_DYNAMIC, _replace, 3, 3); | // ^image.replace(color-source;color-dest) |
| add_native_method("replace", Method::CT_DYNAMIC, _replace, 2, 3); | |
| // ^image.polyline(color)[table x:y] | // ^image.polyline(color)[table x:y] |
| add_native_method("polyline", Method::CT_DYNAMIC, _polyline, 2, 2); | add_native_method("polyline", Method::CT_DYNAMIC, _polyline, 2, 2); |