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authorTom Sepez <tsepez@chromium.org>2015-06-17 10:01:00 -0700
committerTom Sepez <tsepez@chromium.org>2015-06-17 10:01:00 -0700
commitb7d358b498800e4c240d381fa6f098af17a4d95b (patch)
treeaa0d8677af748caf9881ecd011af2b00af925188 /third_party/agg23/agg_basics.h
parent9555022ee550ee97415a86957686cc28716c4dee (diff)
downloadpdfium-b7d358b498800e4c240d381fa6f098af17a4d95b.tar.xz
Merge to XFA: Separate agg-authored code from fx-authored code.
Original Review URL: https://codereview.chromium.org/1152743007. BUG=pdfium:166 R=brucedawson@chromium.org, thestig@chromium.org TBR=brucedawson@chromium.org, thestig@chromium.org Review URL: https://codereview.chromium.org/1186423003.
Diffstat (limited to 'third_party/agg23/agg_basics.h')
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diff --git a/third_party/agg23/agg_basics.h b/third_party/agg23/agg_basics.h
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+
+//----------------------------------------------------------------------------
+// Anti-Grain Geometry - Version 2.3
+// Copyright (C) 2002-2005 Maxim Shemanarev (http://www.antigrain.com)
+//
+// Permission to copy, use, modify, sell and distribute this software
+// is granted provided this copyright notice appears in all copies.
+// This software is provided "as is" without express or implied
+// warranty, and with no claim as to its suitability for any purpose.
+//
+//----------------------------------------------------------------------------
+// Contact: mcseem@antigrain.com
+// mcseemagg@yahoo.com
+// http://www.antigrain.com
+//----------------------------------------------------------------------------
+#ifndef AGG_BASICS_INCLUDED
+#define AGG_BASICS_INCLUDED
+#ifndef AGG_INT8
+#define AGG_INT8 signed char
+#endif
+#ifndef AGG_INT8U
+#define AGG_INT8U unsigned char
+#endif
+#ifndef AGG_INT16
+#define AGG_INT16 short
+#endif
+#ifndef AGG_INT16U
+#define AGG_INT16U unsigned short
+#endif
+#ifndef AGG_INT32
+#define AGG_INT32 int
+#endif
+#ifndef AGG_INT32U
+#define AGG_INT32U unsigned
+#endif
+#ifndef AGG_INT64
+#define AGG_INT64 signed long long
+#endif
+#ifndef AGG_INT64U
+#define AGG_INT64U unsigned long long
+#endif
+#define AGG_INLINE inline
+namespace agg
+{
+typedef AGG_INT8 int8;
+typedef AGG_INT8U int8u;
+typedef AGG_INT16 int16;
+typedef AGG_INT16U int16u;
+typedef AGG_INT32 int32;
+typedef AGG_INT32U int32u;
+typedef AGG_INT64 int64;
+typedef AGG_INT64U int64u;
+typedef unsigned char cover_type;
+enum cover_scale_e {
+ cover_shift = 8,
+ cover_size = 1 << cover_shift,
+ cover_mask = cover_size - 1,
+ cover_none = 0,
+ cover_full = cover_mask
+};
+template<class T> struct rect_base {
+ typedef rect_base<T> self_type;
+ T x1;
+ T y1;
+ T x2;
+ T y2;
+ rect_base() {}
+ rect_base(T x1_, T y1_, T x2_, T y2_) :
+ x1(x1_), y1(y1_), x2(x2_), y2(y2_) {}
+ const self_type& normalize()
+ {
+ T t;
+ if(x1 > x2) {
+ t = x1;
+ x1 = x2;
+ x2 = t;
+ }
+ if(y1 > y2) {
+ t = y1;
+ y1 = y2;
+ y2 = t;
+ }
+ return *this;
+ }
+ bool clip(const self_type& r)
+ {
+ if(x2 > r.x2) {
+ x2 = r.x2;
+ }
+ if(y2 > r.y2) {
+ y2 = r.y2;
+ }
+ if(x1 < r.x1) {
+ x1 = r.x1;
+ }
+ if(y1 < r.y1) {
+ y1 = r.y1;
+ }
+ return x1 <= x2 && y1 <= y2;
+ }
+ bool is_valid() const
+ {
+ return x1 <= x2 && y1 <= y2;
+ }
+};
+template<class Rect>
+inline Rect intersect_rectangles(const Rect& r1, const Rect& r2)
+{
+ Rect r = r1;
+ if(r.x2 > r2.x2) {
+ r.x2 = r2.x2;
+ }
+ if(r.y2 > r2.y2) {
+ r.y2 = r2.y2;
+ }
+ if(r.x1 < r2.x1) {
+ r.x1 = r2.x1;
+ }
+ if(r.y1 < r2.y1) {
+ r.y1 = r2.y1;
+ }
+ return r;
+}
+template<class Rect>
+inline Rect unite_rectangles(const Rect& r1, const Rect& r2)
+{
+ Rect r = r1;
+ if(r.x2 < r2.x2) {
+ r.x2 = r2.x2;
+ }
+ if(r.y2 < r2.y2) {
+ r.y2 = r2.y2;
+ }
+ if(r.x1 > r2.x1) {
+ r.x1 = r2.x1;
+ }
+ if(r.y1 > r2.y1) {
+ r.y1 = r2.y1;
+ }
+ return r;
+}
+typedef rect_base<int> rect;
+typedef rect_base<FX_FLOAT> rect_d;
+enum path_commands_e {
+ path_cmd_stop = 0,
+ path_cmd_move_to = 1,
+ path_cmd_line_to = 2,
+ path_cmd_curve3 = 3,
+ path_cmd_curve4 = 4,
+ path_cmd_curveN = 5,
+ path_cmd_catrom = 6,
+ path_cmd_ubspline = 7,
+ path_cmd_end_poly = 0x0F,
+ path_cmd_mask = 0x0F
+};
+enum path_flags_e {
+ path_flags_none = 0,
+ path_flags_ccw = 0x10,
+ path_flags_cw = 0x20,
+ path_flags_close = 0x40,
+ path_flags_jr = 0x80,
+ path_flags_mask = 0xF0
+};
+inline bool is_vertex(unsigned c)
+{
+ c &= ~path_flags_jr;
+ return c >= path_cmd_move_to && c < path_cmd_end_poly;
+}
+inline bool is_drawing(unsigned c)
+{
+ c &= ~path_flags_jr;
+ return c >= path_cmd_line_to && c < path_cmd_end_poly;
+}
+inline bool is_stop(unsigned c)
+{
+ c &= ~path_flags_jr;
+ return c == path_cmd_stop;
+}
+inline bool is_move_to(unsigned c)
+{
+ c &= ~path_flags_jr;
+ return c == path_cmd_move_to;
+}
+inline bool is_line_to(unsigned c)
+{
+ c &= ~path_flags_jr;
+ return c == path_cmd_line_to;
+}
+inline bool is_curve(unsigned c)
+{
+ c &= ~path_flags_jr;
+ return c == path_cmd_curve3 || c == path_cmd_curve4;
+}
+inline bool is_curve3(unsigned c)
+{
+ c &= ~path_flags_jr;
+ return c == path_cmd_curve3;
+}
+inline bool is_curve4(unsigned c)
+{
+ c &= ~path_flags_jr;
+ return c == path_cmd_curve4;
+}
+inline bool is_end_poly(unsigned c)
+{
+ c &= ~path_flags_jr;
+ return (c & path_cmd_mask) == path_cmd_end_poly;
+}
+inline bool is_close(unsigned c)
+{
+ c &= ~path_flags_jr;
+ return (c & ~(path_flags_cw | path_flags_ccw)) ==
+ (path_cmd_end_poly | path_flags_close);
+}
+inline bool is_next_poly(unsigned c)
+{
+ c &= ~path_flags_jr;
+ return is_stop(c) || is_move_to(c) || is_end_poly(c);
+}
+inline bool is_cw(unsigned c)
+{
+ c &= ~path_flags_jr;
+ return (c & path_flags_cw) != 0;
+}
+inline bool is_ccw(unsigned c)
+{
+ c &= ~path_flags_jr;
+ return (c & path_flags_ccw) != 0;
+}
+inline bool is_oriented(unsigned c)
+{
+ c &= ~path_flags_jr;
+ return (c & (path_flags_cw | path_flags_ccw)) != 0;
+}
+inline bool is_closed(unsigned c)
+{
+ c &= ~path_flags_jr;
+ return (c & path_flags_close) != 0;
+}
+inline unsigned get_close_flag(unsigned c)
+{
+ c &= ~path_flags_jr;
+ return c & path_flags_close;
+}
+inline unsigned clear_orientation(unsigned c)
+{
+ c &= ~path_flags_jr;
+ return c & ~(path_flags_cw | path_flags_ccw);
+}
+inline unsigned get_orientation(unsigned c)
+{
+ c &= ~path_flags_jr;
+ return c & (path_flags_cw | path_flags_ccw);
+}
+inline unsigned set_orientation(unsigned c, unsigned o)
+{
+ c &= ~path_flags_jr;
+ return clear_orientation(c) | o;
+}
+struct point_type {
+ FX_FLOAT x, y;
+ unsigned flag;
+ point_type() {}
+ point_type(FX_FLOAT x_, FX_FLOAT y_, unsigned flag_ = 0) : x(x_), y(y_), flag(flag_) {}
+};
+struct point_type_flag : public point_type {
+ unsigned flag;
+ point_type_flag()
+ {
+ flag = 0;
+ }
+ point_type_flag(FX_FLOAT x_, FX_FLOAT y_, unsigned flag_ = 0) : point_type(x_, y_), flag(flag_) {}
+};
+struct vertex_type {
+ FX_FLOAT x, y;
+ unsigned cmd;
+ vertex_type() {}
+ vertex_type(FX_FLOAT x_, FX_FLOAT y_, unsigned cmd_) :
+ x(x_), y(y_), cmd(cmd_) {}
+};
+}
+#endif