uses core;

namespace render [extension "RENDER"] {
    
    /* errors */
    error pict_format;
    error picture;
    error pict_op;
    error glyph_set;
    error glyph;
    
    /* types */
    type picture = xid;
    
    type pict_type = enum {
	indexed,
	direct
    };
    
    type pict_op = enum {
	clear, src, dst, over, over_reverse, in,
	in_reverse, out, out_reverse, atop,
	atop_reverse, xor, add, saturate
    };
    
    type color = struct
    {
	card16	red;
	card16	green;
	card16	blue;
	card16	alpha;
    };
    
    type pict_depth = struct {
	card8		depth;
	list[pict_visual]   visuals;
    };
    
    type subwindow_mode = enum {
	clip_by_children,
	include_inferiors
    };
    
    type glyph_set = xid;
    
    type glyph = card32;
    
    type glyph_info = struct {
	card16	width;
	card16	height;
	int16	x;
	int16	y;
	int16	off_x;
	int16	off_y;
    };
    
    type pict_glyph = struct {
	glyph_info	info;
	int16	x, y;
    };
    
    type glyphable = union
    {
	glyphset	glyphset;
	fontable	fontable;
    };

    type glyph_elt8 = struct
    {
	int16	dx, dy;
	list[card8] glyphs;
    };
    
    type glyph_item8 = union
    {
	glyph_elt8	glyph_elt8;
	glyphable	glyphable;
    };
    
    type glyph_elt16 = struct
    {
	int16		dx, dy;
	list[card16]	glyphs;
    };
    
    type glyph_item16 = union
    {
	glyph_elt16	glyph_elt16;
	glyphable	glyphable;
    };
    
    type glyph_elt32 = struct
    {
	int16		dx, dy;
	list[card32]	glyphs;
    };
    
    type glyph_item32 = union {
	glyph_elt32	glyph_elt32;
	glyphable	glyphable;
    };
    
    type picture_attributes = masked_list {
	boolean		repeat;
	picture		alpha_map;
	int16		alpha_x_origin;
	int16		alpha_y_origin;
	int16		clip_x_origin;
	int16		clip_y_origin;
	picture		clip_mask;
	bool		graphics_exposures;
	subwindow_mode	subwindow_mode;  // ok, types != fields
	poly_edge		poly_edge;
	poly_mode		poly_mode;
	atom		dither; 
	boolean		component_alpha;
    };
    
    /* requests */
    request create_picture[1000] {
	picture		id *;
	drawable		drawable;
	pict_format		format;
	picture_attributes	attributes;
	
    errors:
	alloc, drawable, id_choice, match, picmap,
	    picture, pict_format, value
	    }
    
    request query_pict_formats[23] {
    reply:
	pict_format			fallback;
	list[pict_form_info]	formats;
	list[pict_screen]		screens;
    }
}
}