420 lines
9.6 KiB
C
420 lines
9.6 KiB
C
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/*
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Microsoft Corp. (C) Copyright 1994
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Developed under contract by Numbers & Co.
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----------------------------------------------------------------------------
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name: Elliot Viewer - Chicago Viewer Utility
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Cloned from the IFAX Message Viewing Utility
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file: viewerob.h
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comments: Class definitions for Viewer and ViewPage Objects.
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These objects are interface wrappers for the original IFAX viewer
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C code. All of the viewer's static variables and whatnot are collected
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here so that multiple independant viewers can be created to support
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multiple open documents/pages. The innards of the viewer objects are
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essentially the same as the original except for necessary fiddles to
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allow functions to get at things that used to be static but are now
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private object data. The original innards just scream to be converted
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to C++ but time constraints didn't allow that...
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If a struct or occasional whatnot seems a bit clumsy it is probably
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a relic leftover from the above original clone code. It works...
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NOTE: This header must be used with the LARGE memory model
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----------------------------------------------------------------------------
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Microsoft Corp. (C) Copyright 1994
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Developed under contract by Numbers & Co.
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*/
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#ifndef VIEWEROB_H
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#define VIEWEROB_H
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//#include <ole2.h>
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/*
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Specials for WIN32 and WIN16 coexistance
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*/
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#ifdef WIN32
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#define huge
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#endif
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/*
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Unicode spasms
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*/
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#ifndef WIN32
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#ifndef TCHAR
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typedef char TCHAR;
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#endif
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#ifndef _T
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#define _T(x) x
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#endif
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#ifndef LPTSTR
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typedef TCHAR FAR *LPTSTR;
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#endif
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#ifndef LPTCH
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typedef TCHAR FAR *LPTCH;
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#endif
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#endif
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/*
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Constants and defs
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*/
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#define OK 0
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#define FAIL -1
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#define TRUE 1
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#define FALSE 0
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#define RESET 2
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#define RESET2 3
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#define MAX_INI_STR 256
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#define MAX_STR_LEN 80
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#define MAX_MEDIUMSTR_LEN 40
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#define MAX_SHORTSTR_LEN 20
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#define MAX_EXTSTR_LEN 3
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#define MAX_COORD 32767
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#define MIN_COORD -32768
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#define BORDER_SCROLL_SCALE 2
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#define MAX_FILENAME_LEN 13
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#ifdef WIN32
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#define MAX_PATHNAME_LEN MAX_PATH
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#else
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#define MAX_PATHNAME_LEN 256
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#endif
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#define MAX_BANDBUFFER 65536
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#define MAX_VOPENBUF 65000
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#define MAX_STREAM_BUF 32000
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#define PAGESIZE_GUESS (4*MAX_BANDBUFFER)
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#define TEXT_FOREGROUND RGB( 255,255,255 )
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#define TEXT_BACKGROUND RGB( 128,128,128 )
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/*
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Zoom factors
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*/
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#define MAX_ZOOM 100
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#define INITIAL_ZOOM 100
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#define THUMBNAIL_ZOOM 5
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#define DEFAULT_DPI 80 // 800 pixels, 10 inch screen, used
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// for demo bitmaps.
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/*
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Rotation "angles"
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*/
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#define RA_0 0
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#define RA_90 90
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#define RA_180 180
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#define RA_270 270
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#define RA_360 360
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// BKD 1997-7-9: commented out. Already defined in buffers.h
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// Standard Bit Valued MetaData values
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//#define LRAW_DATA 0x00000008
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//#define HRAW_DATA 0x00000010
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#ifndef LRAW_DATA
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#include "buffers.h"
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#endif
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/*
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BitBlt display defaults
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*/
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#define PRIMARY_BLTOP SRCCOPY
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#define ALTERNATE_BLTOP NOTSRCCOPY
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/*
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Timer ids
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*/
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#define DELAYED_OPEN_TIMER 1
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#define DRAG_TIMER 2
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#define THUMB_FLAME_TIMER 3
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/*
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Misc types
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*/
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typedef unsigned char uchar;
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typedef unsigned int uint;
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typedef unsigned short ushort;
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typedef unsigned long ulong;
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/*
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My version of RECT
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*/
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typedef struct
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{
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int x_ul, y_ul; // Upper left xy loc
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int x_lr, y_lr; // Lower left xy loc
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int width, height;
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}
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winrect_type;
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/*
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The "attachment" table. This is used to save the header info in a
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Chicago style viewer-message file, slightly processed.
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*/
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typedef struct
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{
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char *atchname; // stream name for attachment (document)
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LONG numpages; // number of pages in atchname
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short binfile; // TRUE -> something we can't look at.
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short isademo; // TRUE -> use demo version of viewrend (vrdemo)
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// document state (this section is 32bit aligned at this point)
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DATE dtLastChange;
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DWORD awdFlags;
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WORD Rotation;
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WORD ScaleX;
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WORD ScaleY;
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}
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attachment_table_type;
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/*
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Struct for keeping track of whats in the attachment table,
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whats viewable and what isn't, etc.
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*/
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typedef struct
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{
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short is_displayable; // TRUE -> viewable
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HBITMAP hbmp; // "icon" for non viewable attachments
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uint page_offset; // From first displayable attachment.
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attachment_table_type *at; // ptr to attachment table.
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}
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attachment_type;
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/*
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Struct for keeping track of viewrend bands
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*/
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typedef struct
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{
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long height_bytes;
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long first_scanline;
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}
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band_height_type;
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/*
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Struct defining a "viewdata" object. This should be a converted to be
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a real c++ object but time constaints dictated I use it as is.
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*/
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typedef struct
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{
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BITMAP bmp; // Raw bitmap data (NOT a GDI bitmap)
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// NOTE: This data is NEVER rotated
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// (always RA_0) but can be
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// scaled.
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HBITMAP hbmp; // Handle for in memory bitmap
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HDC mem_hdc; // DC for blting it to a window
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RECT isa_edge; // Flags for bitmap/file edge correspondance
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winrect_type bmp_wrc; // Loc and size of bitmap rel to file bitmap
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short dragging; // Bitmap is being dragged if TRUE
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short copying; // Bitmap is being select/copied to clipboard
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RECT copy_rect; // Area to copy
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short copy_rect_valid; // copy_rect has valid data
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short first_copy_rect; // flag to init focus rect
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POINT copyanchor_pt;
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POINT viewanchor_pt;
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winrect_type viewwin_wrc; // Loc and size of window to drag in
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winrect_type view_wrc; // Loc and size of view window rel to bitmap
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POINT last_file_wrc_offset; // used for adjusting view_wrc before
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// rotations
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POINT last_cursor; // Last cursor loc during a drag
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int bdrscrl_scale; // Scale factor for border scroll increments
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RECT left_erase; // Rects for erasing the bitmap's
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RECT top_erase; // previous position during a drag.
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RECT right_erase;
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RECT bottom_erase;
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short left_iserased; // Draw corespnding erase rect if TRUE
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short top_iserased; // during a drag.
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short right_iserased;
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short bottom_iserased;
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/*
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If hfile != HFILE_ERROR then the band parameters are undefined. Otherwise
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they are defined only if hbmp does not contain the entire page bmp
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*/
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HFILE hfile; // Handle for file bitmap
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band_height_type *band_heights; // Array of Rajeev band heights
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short num_bands; // Number of bands
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short current_band; // Currently selected band
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TCHAR filename[MAX_FILENAME_LEN+1];
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winrect_type file_wrc; // Loc (always=0) and size of file bitmap;
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winrect_type prescale_file_wrc; // file_wrc / x,y_prescale
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int x_dpi; // x dots per inch
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int y_dpi; // y dots per inch
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uint linebytes; // Total bytes per scanline
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uint num_planes; // Number of planes
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uint bits_per_pix; // Bits per pixel in a plane
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short has_data; // Bitmap and/or bmBits contains data.
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short in_mem; // All data fits in memory.
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}
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viewdata_type;
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typedef int
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(WINAPI *IFMESSPROC)( char *, int );
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/*
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This struct is for reading/writing SummaryStreams. It was
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in oleutils.h but I moved it here so every module in the
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Viewer doesn't have to pull in oleutils.h because of the
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summary_info_t variable in CViewer.
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*/
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typedef struct
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{
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LPSTR revnum;
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DATE last_printed;
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DATE when_created;
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DATE last_saved;
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DWORD num_pages;
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LPSTR appname;
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DWORD security;
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LPSTR author;
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}
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summary_info_t;
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/*
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Macros
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*/
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#define WIDTHSHORTS( width, bits_per_pix ) \
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((((long)width)*bits_per_pix + 15)/16)
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#define V_WIDTHBYTES( width, bits_per_pix ) \
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(WIDTHSHORTS( width, bits_per_pix )*2)
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#define BITMAPSTRIDE( widthbytes, height ) \
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(((long)widthbytes) * height)
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#define BITMAPWIDTHBYTES( widthbytes, height, planes ) \
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(BITMAPSTRIDE( widthbytes, height )*planes)
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#define BITMAPBYTES( width, bits_per_pix, height, planes ) \
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(BITMAPWIDTHBYTES( V_WIDTHBYTES( width, bits_per_pix ), \
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height, \
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planes ))
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#define SWAP_SHORT_BYTES( short_to_swap ) \
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__asm \
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{ \
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__asm mov ax, short_to_swap \
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__asm xchg ah, al \
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__asm mov short_to_swap, ax \
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}
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#define SWAP_LONG_BYTES( long_to_swap ) \
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__asm \
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{ \
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__asm mov ax, word ptr long_to_swap[2] \
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__asm xchg ah, al \
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__asm xchg word ptr long_to_swap[0], ax \
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__asm xchg ah, al \
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__asm mov word ptr long_to_swap[2], ax \
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}
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/*
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Global data
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*/
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extern /*IFMSGBOXPROC*/IFMESSPROC IfMessageBox_lpfn;
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extern TCHAR viewer_homedir[MAX_PATHNAME_LEN+1];
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extern short ra360_bugfix;
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extern DWORD cshelp_map[];
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/*
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Non object viewer functions
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*/
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extern short
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InitializeViewer( void );
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/* WARNING * WARNING * WARNING * HACKHACKHACKHACKHACKHACKHACKHACK */
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/* hack so CViewerPage::print_viewdata can call AbortProc */
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typedef BOOL (CALLBACK *utils_prtabortproc_type)(HDC, int);
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extern utils_prtabortproc_type utils_prtabortproc;
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/******************************************************************/
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#endif
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