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- /*
- * Scan 'C' Header File
- * Written by Thomas Krehbiel
- *
- * Preview modules.
- *
- */
-
- #ifndef SCAN_PREV_H
-
-
- /*
- * Colors for the VM_Color() function:
- */
-
- enum VM_Col {
- VCOL_COLOR = 0, /* 24-Bit Color */
- VCOL_GREY, /* 8-Bit Grey */
- VCOL_RED, /* 8-Bit Red */
- VCOL_GREEN, /* 8-Bit Green */
- VCOL_BLUE, /* 8-Bit Blue */
- VCOL_3BIT, /* Obsolete - do not use */
- VCOL_1BIT /* Obsolete - do not use */
- };
-
- /*
- * Structure returned by VM_Identification() function:
- */
- struct PreviewInfo {
- ULONG Flags; /* Various flags - see below */
- int (*Open)(struct NewScreen *, struct Screen **, struct Window **); /* Custom open hook */
- int (*Close)(struct Screen *, struct Window *); /* Custom close hook */
-
- /* below here is not implemented and only for possible future expansion */
-
- int (*Point)(); /* Custom point drawing hook */
- int (*Box)(); /* Custom box drawing hook */
- int (*Line)(); /* Custom line drawing hook */
- int (*Bezier)(); /* Custom bezier curve drawing hook */
- int (*PutBrush)(); /* Custom brush drawing hook */
- int (*RemBrush)(); /* Custom brush erasing hook */
-
- WORD AspectX, /* Horizontal pixel aspect ratio */
- AspectY; /* Vertical pixel aspect ratio */
-
- UBYTE GhostFrontPen, /* Ghosted area front pen (unused) */
- GhostBackPen, /* Ghosted area back pen (unused) */
- pad1,
- pad2;
-
- ULONG Reserved[30]; /* Reserved for future expansion */
- };
-
- #define VF_NODBUF 0x01 /* Do not double-buffer preview */
- #define VF_FULLWIDTH 0x02 /* Redraw full width only (eg. HAM) */
- #define VF_PRIVATE 0x04 /* Private - do not touch ever! */
- #define VF_WORDALIGN 0x08 /* All renders should be word-aligned */
- #define VF_NOBRUSH 0x10 /* Preview can't support brushes */
-
- #ifdef SCANPRIVATE
-
- /*
- * Palette Modes (Internal Use Only)
- */
- enum PMode_Tags {
- PMODE_NORMAL = 0, /* Nothing goin' on */
- PMODE_COPY, /* Copying */
- PMODE_SWAP, /* Swapping */
- PMODE_SPREAD, /* Spreading */
- PMODE_RANGE /* Ranging */
- };
-
- #endif
-
- #define SCAN_PREV_H
- #endif
-