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- /* Copyright (C) 1989, 1995 Aladdin Enterprises. All rights reserved.
-
- This file is part of Aladdin Ghostscript.
-
- Aladdin Ghostscript is distributed with NO WARRANTY OF ANY KIND. No author
- or distributor accepts any responsibility for the consequences of using it,
- or for whether it serves any particular purpose or works at all, unless he
- or she says so in writing. Refer to the Aladdin Ghostscript Free Public
- License (the "License") for full details.
-
- Every copy of Aladdin Ghostscript must include a copy of the License,
- normally in a plain ASCII text file named PUBLIC. The License grants you
- the right to copy, modify and redistribute Aladdin Ghostscript, but only
- under certain conditions described in the License. Among other things, the
- License requires that the copyright notice and this notice be preserved on
- all copies.
- */
-
- /* gdevx.h */
- /* Header file with X device structure */
- /* Requires gxdevice.h and x_.h */
-
- /* Define the type of an X pixel. */
- typedef unsigned long x_pixel;
-
- /* Define a rectangle structure for update bookkeeping */
- typedef struct rect_s {
- int xo, yo, xe, ye;
- } rect;
-
- /* Define dynamic color hash table structure */
- struct x11color_s;
- typedef struct x11color_s x11color;
- struct x11color_s {
- XColor color;
- x11color *next;
- };
-
- /* Define PostScript to X11 font name mapping */
- struct x11fontmap_s;
- typedef struct x11fontmap_s x11fontmap;
- struct x11fontmap_s {
- char *ps_name;
- char *x11_name;
- char **std_names;
- char **iso_names;
- int std_count, iso_count;
- x11fontmap *next;
- };
-
- /* Define the X Windows device */
- typedef struct gx_device_X_s {
- gx_device_common;
- bool IsPageDevice;
-
- /* An XImage object for writing bitmap images to the screen */
- XImage image;
-
- /* Global X state */
- Display *dpy;
- Screen *scr;
- XVisualInfo *vinfo;
- Colormap cmap;
- Window win;
- GC gc;
-
- /* An optional Window ID supplied as a device parameter */
- Window pwin;
-
- /* A backing pixmap so X will handle exposure automatically */
- Pixmap bpixmap; /* 0 if useBackingPixmap is false, */
- /* or if it can't be allocated */
- int ghostview; /* flag to tell if ghostview is in control */
- Window mwin; /* window to receive ghostview messages */
- /* Don't include standard colormap stuff for X11R3 and earlier */
- #if HaveStdCMap
- XStandardColormap *std_cmap; /* standard color map if available */
- #endif
- gs_matrix initial_matrix; /* the initial transformation */
- Atom NEXT, PAGE, DONE; /* Atoms used to talk to ghostview */
- rect update; /* region needing updating */
- long up_area; /* total area of update */
- /* (always 0 if no backing pixmap) */
- int up_count; /* # of updates since flush */
- Pixmap dest; /* bpixmap if non-0, else win */
- x_pixel colors_or; /* 'or' of all device colors used so far */
- x_pixel colors_and; /* 'and' ditto */
-
- /* An intermediate pixmap for the stencil case of copy_mono */
- struct {
- Pixmap pixmap;
- GC gc;
- int raster, height;
- } cp;
-
- /* Structure for dealing with the halftone tile. */
- /* Later this might become a multi-element cache. */
- struct {
- Pixmap pixmap;
- Pixmap no_pixmap; /* kludge to get around X bug */
- gx_bitmap_id id;
- int width, height, raster;
- x_pixel fore_c, back_c;
- } ht;
-
- /* Cache the function and fill style from the GC */
- int function;
- int fill_style;
- Font fid;
-
- #define set_fill_style(style)\
- if ( xdev->fill_style != style )\
- XSetFillStyle(xdev->dpy, xdev->gc, (xdev->fill_style = style))
- #define set_function(func)\
- if ( xdev->function != func )\
- XSetFunction(xdev->dpy, xdev->gc, (xdev->function = func))
- #define set_font(font)\
- if ( xdev->fid != font )\
- XSetFont(xdev->dpy, xdev->gc, (xdev->fid = font))
-
- x_pixel back_color, fore_color;
-
- Pixel background, foreground;
- #define X_max_color_value 0xffff
- #define cube_index(r,g,b) (((r) * xdev->color_info.dither_colors + (g)) * \
- xdev->color_info.dither_colors + (b))
- x_pixel *dither_colors;
- ushort color_mask;
- int num_rgb;
- x11color *(*dynamic_colors)[];
- int max_dynamic_colors, dynamic_size, dynamic_allocs;
-
- #define note_color(pixel)\
- xdev->colors_or |= pixel,\
- xdev->colors_and &= pixel
- #define set_back_color(pixel)\
- if ( xdev->back_color != pixel )\
- { xdev->back_color = pixel;\
- note_color(pixel);\
- XSetBackground(xdev->dpy, xdev->gc, pixel);\
- }
- #define set_fore_color(pixel)\
- if ( xdev->fore_color != pixel )\
- { xdev->fore_color = pixel;\
- note_color(pixel);\
- XSetForeground(xdev->dpy, xdev->gc, pixel);\
- }
-
- /* Defautlts set by resources */
- Pixel borderColor;
- Dimension borderWidth;
- String geometry;
- int maxGrayRamp, maxRGBRamp;
- String palette;
- String regularFonts;
- String symbolFonts;
- String dingbatFonts;
- x11fontmap *regular_fonts;
- x11fontmap *symbol_fonts;
- x11fontmap *dingbat_fonts;
- Boolean useXFonts, useFontExtensions, useScalableFonts, logXFonts;
- float xResolution, yResolution;
-
- /* Flags work around various X server problems. */
- Boolean useBackingPixmap;
- Boolean useXPutImage;
- Boolean useXSetTile;
-
- } gx_device_X;
-
- /* function to keep track of screen updates */
- void x_update_add(P5(gx_device *, int, int, int, int));
- void gdev_x_clear_window(P1(gx_device_X *));
- int x_catch_free_colors(P2(Display *, XErrorEvent *));
-
- /* Number used to distinguish when resoultion was set from the command line */
- #define FAKE_RES (16*72)
-