1 /* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */ 2 /*********************************************************** 3 4 Copyright 1987, 1998 The Open Group 5 6 Permission to use, copy, modify, distribute, and sell this software and its 7 documentation for any purpose is hereby granted without fee, provided that 8 the above copyright notice appear in all copies and that both that 9 copyright notice and this permission notice appear in supporting 10 documentation. 11 12 The above copyright notice and this permission notice shall be included in 13 all copies or substantial portions of the Software. 14 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 19 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 20 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 21 22 Except as contained in this notice, the name of The Open Group shall not be 23 used in advertising or otherwise to promote the sale, use or other dealings 24 in this Software without prior written authorization from The Open Group. 25 26 27 Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. 28 29 All Rights Reserved 30 31 Permission to use, copy, modify, and distribute this software and its 32 documentation for any purpose and without fee is hereby granted, 33 provided that the above copyright notice appear in all copies and that 34 both that copyright notice and this permission notice appear in 35 supporting documentation, and that the name of Digital not be 36 used in advertising or publicity pertaining to distribution of the 37 software without specific, written prior permission. 38 39 DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING 40 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL 41 DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR 42 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, 43 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, 44 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS 45 SOFTWARE. 46 47 ******************************************************************/ 48 49 #ifndef H_SPICE_COMMON_LINES 50 #define H_SPICE_COMMON_LINES 51 52 #include <stdlib.h> 53 #include <string.h> 54 #include <spice/macros.h> 55 56 #include "pixman_utils.h" 57 #include "draw.h" 58 59 SPICE_BEGIN_DECLS 60 61 typedef struct lineGC lineGC; 62 63 typedef struct { 64 void (*FillSpans)(lineGC * pGC, 65 int num_spans, SpicePoint * points, int *widths, 66 int sorted, int foreground); 67 void (*FillRects)(lineGC * pGC, 68 int nun_rects, pixman_rectangle32_t * rects, 69 int foreground); 70 } lineGCOps; 71 72 struct lineGC { 73 int width; 74 int height; 75 unsigned char alu; 76 unsigned short lineWidth; 77 unsigned short dashOffset; 78 unsigned short numInDashList; 79 unsigned char *dash; 80 unsigned int lineStyle:2; 81 unsigned int capStyle:2; 82 unsigned int joinStyle:2; 83 lineGCOps *ops; 84 }; 85 86 /* CoordinateMode for drawing routines */ 87 88 #define CoordModeOrigin 0 /* relative to the origin */ 89 #define CoordModePrevious 1 /* relative to previous point */ 90 91 /* LineStyle */ 92 93 #define LineSolid 0 94 #define LineOnOffDash 1 95 #define LineDoubleDash 2 96 97 /* capStyle */ 98 99 #define CapNotLast 0 100 #define CapButt 1 101 #define CapRound 2 102 #define CapProjecting 3 103 104 /* joinStyle */ 105 106 #define JoinMiter 0 107 #define JoinRound 1 108 #define JoinBevel 2 109 110 extern void spice_canvas_zero_line(lineGC *pgc, 111 int mode, 112 int num_points, 113 SpicePoint * points); 114 extern void spice_canvas_zero_dash_line(lineGC * pgc, 115 int mode, 116 int n_points, 117 SpicePoint * points); 118 extern void spice_canvas_wide_dash_line(lineGC * pGC, 119 int mode, 120 int num_points, 121 SpicePoint * points); 122 extern void spice_canvas_wide_line(lineGC *pGC, 123 int mode, 124 int num_points, 125 SpicePoint * points); 126 extern int spice_canvas_clip_spans(pixman_region32_t *clip_region, 127 SpicePoint *points, 128 int *widths, 129 int num_spans, 130 SpicePoint *new_points, 131 int *new_widths, 132 int sorted); 133 134 SPICE_END_DECLS 135 136 #endif // H_SPICE_COMMON_LINES 137