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Chapter33-FormatForDecompressedImages
Table33.1:MS_WindowsDIBPaletteFormat
ImageSize
RGBQUADEntries
1-bit
2
4bit
16
8bit
256
24-bit
NoEntries
Allimagesstoredinmemoryhavethefollowingpaletteformat:
Example33.3RGBQUADEntries
public class RGBQUAD
{
public byte rgbBlue;
public byte rgbGreen;
public byte rgbRed;
public byte rgbReserved;
{
MS_Windows DIBImage Data Format
1,4,8,and24-bitimagesarestoredaspackeduncompressedrasterdata.
Table33.2:MS_WindowsDIBImageDataFormat
ImageSize
ByteSize
1-bit
8pixels
4-bit
2pixels
8-bit
1pixel
24-bit
3bytesequals1pixel,startingwiththeblue,green,then
redvalues
Allrastersmustendonalongoramultipleof4bytes.Extrabytesareaddedtorastersnot
meetingthiscriterion.Theyarestoredwithupsidedownorthelastrasterfirstuptothefirstor
line0.
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Chapter34-AnnotationandRedliningToolkit
Chapter 34 - Annotation and Redlining
Toolkit
Thischapterdescribestheannotationandredliningtoolkitandlibrary.
Thelibraryiscalledfromthedeveloper’sapplication.Annotationobjectsarecreatedthroughan
interfaceandthenstoredinoneormoreannotationlayers;eachstoredasaseparatefile.The
annotationobjectsareregisteredwiththeunderlyingimagepermittingzoomingandscrollingof
theoveralldisplaywithoutlosingregistrationoftheannotationinformation.Thedisplayofthe
underlyingimagecanbemanagedthroughtheuseofSnowbound’sRasterMaster.NETproduct
oranyotherapplicationortoolthatdisplaysimages.
Youcanuseannotationstocreatewatermarksorredactions.
public class CANN_GRAPHIC_STRUCTStructure
Thisstructurerepresentsanannotationobjectstoredinitsinternalformatwithinthe
RasterMaster.NETAnnotationSDK.
Structure
BelowisthestructurefortheCANN_GRAPHIC_STRUCTfunction.
Example34.1CANN_GRAPHIC_STRUCT
public __gc class CANN_GRAPHIC_STRUCT
{
public
CIMG_rect *rc;
String *text;
int data_size;
String *font_name;
int italic;
int bold;
int font_height;
int fred;
int fgreen;
int fblue;
int bred;
int bgreen;
int bblue;
int width;
int height;
int bits_pix;
int transp;
int graphic_id;
int line_width;
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Chapter34-AnnotationandRedliningToolkit
int line_style;
String* create_date;
String* create_user;
}
Variables
Table34.1:CANN_GRAPHIC_STRUCTClassVariables
Variable
Description
CIMG_RECTrc
Rectangle
Stringtext
Bytearrayoftext
Intdata_size
Sizeofdatainbytes
Stringfont_name
Nameoffont
intitalic
Indicatesitalicizedfont
intbold
Indicatesboldfont
intfont_height
Fontheight
intfred
Redplaneofforegroundcolor
intfblue
Blueplaneofforegroundcolor
intfgreen
Greenplaneofforeground
intbred
Redplaneofbackgroundcolor
intbblue
Blueplaneofbackgroundcolor
intbgreen
Greenplaneofbackgroundcolor
intwidth
Widthofannotationobject
intheight
Heightofannotationobject
intbits_pix
Bitsperpixelofimage
inttransp
Indicatestransparency
intgraphic_id
Annotationobjecttype
intline_width
Linewidth
intline_style
Linestyle
String*create_date
Theannotationobjectcreateddate.
String*create_user
Theusernamewhichcreatedtheannotationobject.
CSANN_activate_all_objects()
ThisfunctionisusedonCSANN_EDITandCSANN_POSTITobjectstoalloweditingofthetext
inthebox.Thismakesthewindowactiveandusable.Thiscallactivatesallobjectsonthe
page.
YoucanfindthesamplesforusingthisfunctioninthefollowingdirectoryC:\Program
Files\Snowbound Software\RasterMaster® .NET Evaluation\Net\Samples.
ThisfunctionisusedintheAnnotation
sample.
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Chapter34-AnnotationandRedliningToolkit
Notes:
Inthismodeyoucannotmoveordeletetheobject.
YoumustcalltheCSANN_deactivate_objectfirst.
Syntax
int SNBDAPI CSANN_activate_all_objects();
CSANN_activate_object()
ThisfunctioniscurrentlyusedonCSANN_EDITandCSANN_POSTITobjectstoalloweditingof
thetextinthebox.Thismakesthewindowactiveandusable.
Notes:
Inthismodeyoucannotmoveordeletetheobject.
YoumustcalltheCSANN_deactivate_objectfirst.
Syntax
int SNBDAPI CSANN_activate_object(int graphic_num);
Remark
Table34.2:CSANN_activate_objectFunctionVariables
Variable
Description
graphic_num
Theobjecttoactivate
CSANN_add_object()
Thisfunctionaddsanewobjecttothecurrentannotation.Usedatasize,datafortext,and
freehandannotationstopointtothetextofarrayofpointsforfreehandannotations.Thesize
mustbeinimagecoordinates.UseCSANN_map_wnd_to_imagetoconvertfromscreento
imagecoordinates.
YoucanfindthesamplesforusingthisfunctioninthefollowingdirectoryC:\Program
Files\Snowbound Software\RasterMaster® .NET Evaluation\Net\Samples.
ThisfunctionisusedintheAnnotation
sample.
Syntax
int SNBDAPI CSANN_add_object(int graphic_id, CIMG_RECT *imgRect,
Array *data, int data_size);
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Chapter34-AnnotationandRedliningToolkit
Remark
Table34.3:CSANN_add_objectFunctionVariables
Variable
Description
graphic_id
Auniquenumberforeachgraphicobject
imgRect
Pointertorectangledefiningoutlineofpointsformost
graphicsfunctionsinthecurrentimagescoordinates
data
Datafortext,freehandannotations,andedits
data_size
Thesizeinbytesfortext,freehand,oredits
CSANN_choose_color()
Thisfunctiondisplaysadialogboxsuitableforselectingacolorwithwhichtodraw.Itreturns
theselectedcolorin3bytesofred,green,andblue.
YoucanfindthesamplesforusingthisfunctioninthefollowingdirectoryC:\Program
Files\Snowbound Software\RasterMaster® .NET Evaluation\Net\Samples.
Thisfunctionisusedinthefollowingsamples:
l
Annaction
l
Annotation
Syntax
int SNBDAPI CSANN_choose_color(int iColor);
Remark
Table34.4:CSANN_choose_colorFunctionVariable
Variable
Description
iColor
Theselectedcolorreturnedin3bytesorder,red,green,
andblue.
CSANN_choose_font()
Thisfunctiondisplaysadialogboxforchoosingthefonttypeandheightfortheannotation.If
theOKbuttonispressed,thecurrentfontheightandnameissetinthecurrentannotation
group.
YoucanfindthesamplesforusingthisfunctioninthefollowingdirectoryC:\Program
Files\Snowbound Software\RasterMaster® .NET Evaluation\Net\Samples.
Thisfunctionisusedinthefollowingsamples:
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Chapter34-AnnotationandRedliningToolkit
l
Annaction
l
Annotation
Syntax
int SNBDAPI CSANN_choose_font();
CSANN_choose_line_style()
Thisfunctiondisplaysadialogboxforselectingandsettingthecurrentlinestyleinthe
annotations.
YoucanfindthesamplesforusingthisfunctioninthefollowingdirectoryC:\Program
Files\Snowbound Software\RasterMaster® .NET Evaluation\Net\Samples.
Thisfunctionisusedinthefollowingsamples:
l
Annaction
l
Annotation
Syntax
int SNBDAPI CSANN_choose_line_style(int *iLineStyle);
Remark
Table34.5:CSANN_choose_line_styleFunctionVariable
Variable
Description
iLineStyle
Linestylereturned.
CSANN_choose_line_width()
Thisfunctiondisplaysadialogboxforselectingandsettingthecurrentlinewidthinthe
annotations.
YoucanfindthesamplesforusingthisfunctioninthefollowingdirectoryC:\Program
Files\Snowbound Software\RasterMaster® .NET Evaluation\Net\Samples.
Thisfunctionisusedinthefollowingsamples:
l
Annaction
l
Annotation
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Chapter34-AnnotationandRedliningToolkit
Syntax
int SNBDAPI CSANN_choose_line_width(int *iLineWidth);
Remark
Table34.6:CSANN_choose_line_widthFunctionVariable
Variable
Description
iLineWidth
Linewidthreturned.
CSANN_create_ann()
Thisfunctioncreatesanewannotationhandleifitisnotreadinganannotationfromafile.
YoucanfindthesamplesforusingthisfunctioninthefollowingdirectoryC:\Program
Files\Snowbound Software\RasterMaster® .NET Evaluation\Net\Samples.
Thisfunctionisusedinthefollowingsamples:
l
Annaction
l
Annotation
Syntax
int SNBDAPI CSANN_create_ann(Control *win_control, int width, int
height);
Remark
Table34.7:CSANN_create_annFunctionVariables
Variable
Description
win_control
Windowformcontrolobject
width
Widthinpixelsofimagetoannotate
height
Heightinpixelsofimagetoannotate
CSANN_deactivate_all_objects()
ThisfunctionisusedonCSANN_EDITandCSANN_POSTITobjectstostoptheeditingoftextin
thebox.Itmakesthewindowinactiveandnowdrawstheobjectasanyotherdataobject.This
calldeactivatesallobjectsonthepage.
YoucanfindthesamplesforusingthisfunctioninthefollowingdirectoryC:\Program
Files\Snowbound Software\RasterMaster® .NET Evaluation\Net\Samples.
ThisfunctionisusedintheAnnotation
sample.
257
Chapter34-AnnotationandRedliningToolkit
Notes:
Inthismodeyoucanmoveordeletetheobject.
YoumustcalltheCSANN_activate_objecttoeditthetext.
Syntax
int SNBDAPI CSANN_deactivate_all_objects();
CSANN_deactivate_object()
ThisfunctionisusedonCSANN_EDITandCSANN_POSTITobjectstostoptheeditingoftextin
thebox.Itmakesthewindowinactiveanddrawstheobjectasanyotherdataobject.Inthis
mode,youcanmoveordeletetheobject.
YoucanfindthesamplesforusingthisfunctioninthefollowingdirectoryC:\Program
Files\Snowbound Software\RasterMaster® .NET Evaluation\Net\Samples.
ThisfunctionisusedintheAnnotation
sample.
Note:
YoumustcalltheCSANN_activate_objecttoeditthetext.
Syntax
int SNBDAPI CSANN_deactivate_object(int graphic_num);
Remark
Table34.8:CSANN_deactivate_objectFunctionVariables
Variable
Description
graphic_num
Specifytheobjecttodeactivate
CSANN_delete_all_objects()
Thisfunctiondeletesallgraphicsandmemoryassociatedwiththeannotations.
Syntax
int SNBDAPI CSANN_delete_all_objects();
CSANN_delete_non_text_objects()
Thisfunctionremoveno-textannotationobjects.
258
Chapter34-AnnotationandRedliningToolkit
Syntax
int SNBDAPI CSANN_delete_non_text_objects();
CSANN_delete_object()
Thisfunctiondeletesagraphicfromthecurrentlist.
YoucanfindthesamplesforusingthisfunctioninthefollowingdirectoryC:\Program
Files\Snowbound Software\RasterMaster® .NET Evaluation\Net\Samples.
ThisfunctionisusedintheAnnotation
sample.
Syntax
int SNBDAPI CSANN_delete_object(int graphic_num);
Remark
Table34.9:CSANN_delete_objectFunctionVariables
Variable
Description
graphic_num
Thisisaninternalnumberforeachgraphicreturnedby
CSANN_get_object_num.Itisthenumberinalinked
listofgraphics.UsethisnumberafterthecalltoCSANN_
get_object_numberasCSANN_delete_object.
Thismaychangethenumberofexistinggraphics.
CSANN_delete_text_objects()
Thisfunctionremoveno-textannotationobjects.
Syntax
int SNBDAPI CSANN_delete_text_objects();
CSANN_display_annotations()
Thisfunctiondisplaysthecurrentannotationtothedevicecontextpointedbygraphics.This
functionalwaysassumesthattheimageisaspectratiocorrectedintothecoordinatesxs,ys,
xz,andyz.
YoucanfindthesamplesforusingthisfunctioninthefollowingdirectoryC:\Program
Files\Snowbound Software\RasterMaster® .NET Evaluation\Net\Samples.
Thisfunctionisusedinthefollowingsamples:
259
Chapter34-AnnotationandRedliningToolkit
l
Annaction
l
Annotation
Note:
BeforecallingyoumaywanttocallCSANN_set_croprecttoallowforzoomingand
scrolling.
Syntax
int SNBDAPI CSANN_display_annotations(Graphics *g, int xs, int ys,
int xz, int yz);
Remark
Table34.10:CSANN_display_annotationsFunctionVariables
Variable
Description
g
Graphicsobject
xs
StartingXposition
ys
StartingYposition
xz
Xsizeofwindow
yz
Ysizeofwindow
CSANN_draw_object()
Thisfunctiondrawstheobject(graphic_num)atthecoordinatespassedthatareimage
coordinates.
Syntax
int SNBDAPI CSANN_draw_object(Graphics *g, int graphic_num, int xs,
int ys, int xz, int yz);
Remark
Table34.11:CSANN_draw_objectFunctionVariables
Variable
Description
g
Graphicsobject
graphic_num
Specifytheobjecttodraw
xs
Xpositiontostartdrawing
ys
Ypositiontostartdrawing
xz
Xsizetodrawobject
yz
Ysizetodrawobject
260
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