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1.1     ! root        1: Sample: Enhanced Metafile Editor
        !             2: 
        !             3: Summary:
        !             4: 
        !             5: This sample demonstrates the Win32 Enhanced Metafile API
        !             6: functions.
        !             7: 
        !             8: More Information:
        !             9: 
        !            10: The MFEDIT metafile editor provides the following
        !            11: functionalities:
        !            12: 
        !            13:   Playback and recording of GDI calls
        !            14:   Embedding bitmap and enhanced metafile into another
        !            15:   enhanced metafile with transformation
        !            16:   Hit-testing against enhanced metafile records
        !            17:   Random access playback
        !            18:   Playback metafile records one-by-one
        !            19:   Selective recording of existing enhanced metafile records
        !            20:   into a new enhanced metafile
        !            21:   Drawing with pen, text, bezier, line, ellipse, rectangle
        !            22:   and embedding bitmap and enhanced metafile tools
        !            23: 
        !            24: 
        !            25: Playback and Recording of GDI calls
        !            26: 
        !            27:   To playback an existing enhanced metafile, choose Load
        !            28:   Metafile from the File menu or click on the Eject button
        !            29:   to bring up the open file dialog and select the
        !            30:   appropriate file.  Then click on the Play button to play
        !            31:   it on the drawing surface.
        !            32: 
        !            33:   To record, click on the Record button and draw on the
        !            34:   drawing surface with the graphic tools provided.  When
        !            35:   done, click on the Stop button.
        !            36: 
        !            37:   The GDI calls will be recorded as c:\metafx.emf where x
        !            38:   is 0, 1, 2, 3, etc.  If you want to save the metafile
        !            39:   with a different name, choose Record Metafile As from the
        !            40:   File menu.
        !            41:   
        !            42:   The new filename will be used as the root for all
        !            43:   metafile recorded; 0, 1, 2, etc will be appended to the
        !            44:   root name.
        !            45: 
        !            46:   The default drawing tool is "pen".  To select a different
        !            47:   drawing tool, simply click on the desired tool button in
        !            48:   the control panel.
        !            49: 
        !            50: Embedding Bitmap and Enhanced Metafile Into Another Enhanced
        !            51: Metafile with Transformation
        !            52: 
        !            53:   Click the Record button.  Select the Bitmap or Metafile
        !            54:   tool and then embed the currently loaded bitmap or
        !            55:   metafile as described in 7 below.  When done, click the
        !            56:   Stop button.
        !            57: 
        !            58: Hit-Testing Against Enhanced Metafile Records
        !            59: 
        !            60:   Playback an enhanced metafile by clicking on the Playback
        !            61:   button. Then choose Hit Test from the Edit menu.  The
        !            62:   cursor will be changed to a cross when the mouse pointer
        !            63:   is over the drawing surface.
        !            64: 
        !            65:   Then click on the graphic object played back in the
        !            66:   drawing surface.  The editor will search through the
        !            67:   metafile record after record to find the record that
        !            68:   corresponds to the object based on the mouse position.
        !            69:   The search provides a visual cue by changing the graphic
        !            70:   objects to red as it goes until it hits the corresponding
        !            71:   object.  If there is a hit, the record number will be
        !            72:   displayed on the control panel, an beep will be heard and
        !            73:   a hit message displayed on the bottom.
        !            74: 
        !            75:   When done, uncheck the Hit Test menu item.
        !            76: 
        !            77: Random Access Playback
        !            78: 
        !            79:   Click on the number button in the control panel to
        !            80:   playback a particular record.  To access a non single
        !            81:   digit record, click on the 10+ button an appropriate
        !            82:   number of times and then the appropriate number button to
        !            83:   bring the sum to the record desired.
        !            84: 
        !            85: Playback Metafile Records One-by-One
        !            86: 
        !            87:   Click on the Fast Forward button to play the metafile
        !            88:   record one at a time.
        !            89: 
        !            90: Selective Recording of Existing Enhanced Metafile Records
        !            91: Into a New Enhanced Metafile
        !            92: 
        !            93:   Click on the Record button and the appropriate number
        !            94:   button for playing back selective metafile records in the
        !            95:   drawing surface.  The playback records will be recorded
        !            96:   into the new metafile.  When done, click on the Stop
        !            97:   button.
        !            98: 
        !            99: Drawing With Pen, Text, Bezier, Line, Ellipse, Rectangle and
        !           100: Embedding Bitmap and Enhanced Metafile Tools
        !           101: 
        !           102:   The default pen is black.  To change the pen color,
        !           103:   simply choose the Pen menu item from the Options menu to
        !           104:   select a color.
        !           105: 
        !           106:   The default brush used by the Fill Rectangle and Fill
        !           107:   Ellipse routines is black.  To change the brush color,
        !           108:   simply choose Brush from the Option menu to select a
        !           109:   color.
        !           110: 
        !           111:   The "Text" tool uses the default system font.  To change
        !           112:   the font, simply choose Font from the Option menu to
        !           113:   change to a different font and font attributes.
        !           114: 
        !           115:   The "Bezier" tool takes four points initially and three
        !           116:   thereafter. To draw a bezier curve, simple select the
        !           117:   "Bezier" tool and click on the drawing surface three or
        !           118:   four times to place the control points.
        !           119: 
        !           120:   To embed a currently loaded bitmap, simply select the
        !           121:   "Bitmap" tool and click three points on the drawing
        !           122:   surface to describe the destination of where you would
        !           123:   like the bitmap to go.  The editor will do the proper
        !           124:   transform to the bitmap and embed the bitmap to the
        !           125:   drawing.
        !           126: 
        !           127:   To load a bitmap, simply choose Load Bitmap from the File
        !           128:   menu and do the selection.  The "Bitmap" tool optionally
        !           129:   takes a mask bitmap.  The mask bitmap has to be a
        !           130:   monochrome bitmap.
        !           131: 
        !           132:   To load a mask bitmap, simply choose Load Mask Bitmap
        !           133:   from the File menu to do the selection.  Select a color
        !           134:   bitmap as the mask has the effect of reseting the mask to
        !           135:   none.
        !           136: 
        !           137:   To embed a currently loaded enhanced metafile, simply
        !           138:   select the "Embed Enhanced Metafile" tool and click three
        !           139:   points on the drawing surface to describe the destination
        !           140:   of where you would like the enhanced metafile to go.  The
        !           141:   editor will do the proper transformation on the metafile
        !           142:   and embed it to the drawing.
        !           143: 

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