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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:24:48 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:24:48 +0000
commitcca66b9ec4e494c1d919bff0f71a820d8afab1fa (patch)
tree146f39ded1c938019e1ed42d30923c2ac9e86789 /src/livarot/LivarotDefs.h
parentInitial commit. (diff)
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Adding upstream version 1.2.2.upstream/1.2.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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diff --git a/src/livarot/LivarotDefs.h b/src/livarot/LivarotDefs.h
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+// SPDX-License-Identifier: GPL-2.0-or-later
+/** @file
+ * TODO: insert short description here
+ *//*
+ * Authors:
+ * see git history
+ * Fred
+ *
+ * Copyright (C) 2018 Authors
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#ifndef my_defs
+#define my_defs
+
+#include <cstdint>
+
+// error codes (mostly obsolete)
+enum
+{
+ avl_no_err = 0, // 0 is the error code for "everything OK"
+ avl_bal_err = 1,
+ avl_rm_err = 2,
+ avl_ins_err = 3,
+ shape_euler_err = 4, // computations result in a non-eulerian graph, thus the function cannot do a proper polygon
+ // despite the rounding sheme, this still happen with uber-complex graphs
+ // note that coordinates are stored in double => double precision for the computation is not even
+ // enough to get exact results (need quadruple precision, i think).
+ shape_input_err = 5, // the function was given an incorrect input (not a polygon, or not eulerian)
+ shape_nothing_to_do = 6 // the function had nothing to do (zero offset, etc)
+};
+
+// return codes for the find function in the AVL tree (private)
+enum
+{
+ not_found = 0,
+ found_exact = 1,
+ found_on_left = 2,
+ found_on_right = 3,
+ found_between = 4
+};
+
+// types of cap for stroking polylines
+enum butt_typ
+{
+ butt_straight, // straight line
+ butt_square, // half square
+ butt_round, // half circle
+ butt_pointy // a little pointy hat
+};
+// types of joins for stroking paths
+enum join_typ
+{
+ join_straight, // a straight line
+ join_round, // arc of circle (in fact, one or two quadratic bezier curve chunks)
+ join_pointy // a miter join (uses the miter parameter)
+};
+typedef enum butt_typ ButtType;
+typedef enum join_typ JoinType;
+
+enum fill_typ
+{
+ fill_oddEven = 0,
+ fill_nonZero = 1,
+ fill_positive = 2,
+ fill_justDont = 3
+};
+typedef enum fill_typ FillRule;
+
+// info for a run of pixel to fill
+struct raster_info {
+ int startPix,endPix; // start and end pixel from the polygon POV
+ int sth,stv; // coordinates for the first pixel in the run, in (possibly another) POV
+ uint32_t* buffer; // pointer to the first pixel in the run
+};
+typedef void (*RasterInRunFunc) (raster_info &dest,void *data,int nst,float vst,int nen,float ven); // init for position ph,pv; the last parameter is a pointer
+
+
+enum Side {
+ LEFT = 0,
+ RIGHT = 1
+};
+
+enum FirstOrLast {
+ FIRST = 0,
+ LAST = 1
+};
+
+#endif