src/swfc-history.h

   1 /* swfc- Compiles swf code (.sc) files into .swf files.
   2
   3    Part of the swftools package.
   4
   5    Copyright (c) 2007 Huub Schaeks <huub@h-schaeks.speedlinq.nl>
   6    Copyright (c) 2007 Matthias Kramm <kramm@quiss.org>
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
  21
  22 #ifndef __HISTORY_H
  23 #define __HISTORY_Y
  24
  25 #include "../lib/types.h"
  26 #include "../lib/rfxswf.h"
  27 #include "../lib/q.h"
  28 #include "swfc-feedback.h"
  29 #include "swfc-interpolation.h"
  30
  31 enum
  32 {
  33         CF_PUT = 1,
  34         CF_CHANGE = 2,
  35     CF_SCHANGE = 3,
  36     CF_SWEEP = 4,
  37         CF_JUMP = 5
  38 };
  39
  40 #define SF_X 0x0001
  41 #define SF_Y 0x0002
  42 #define SF_SCALEX 0x0004
  43 #define SF_SCALEY 0x0008
  44 #define SF_CX_R 0x0010
  45 #define SF_CX_G 0x0020
  46 #define SF_CX_B 0x0040
  47 #define SF_CX_A 0x0080
  48 #define SF_ROTATE 0x0100
  49 #define SF_SHEAR 0x0200
  50 #define SF_PIVOT 0x0400
  51 #define SF_PIN 0x0800
  52 #define SF_BLEND 0x1000
  53 #define SF_FILTER 0x2000
  54 #define SF_ALL 0x3fff
  55
  56 #define IF_FIXED_ALIGNMENT 0x0001
  57
  58 FILTER* noFilters;
  59 FILTER_BLUR* noBlur;
  60 FILTER_BEVEL* noBevel;
  61 FILTER_DROPSHADOW* noDropshadow;
  62 FILTER_GRADIENTGLOW* noGradientGlow;
  63
  64 typedef struct _spline
  65 {
  66     float a, b, c, d;
  67 } spline_t;
  68
  69 typedef struct _arc
  70 {
  71     float r, angle, delta_angle, cX, cY;
  72     int X; // boolean: 1 if this is for x; 0 if this is for y;
  73 } arc_t;
  74
  75 typedef struct _flagparms
  76 {
  77     float pathAngle, instanceAngle;
  78 } flagparams_t;
  79
  80 typedef struct _state
  81 {
  82         U16 frame;
  83         float value;
  84         int function;
  85         interpolation_t* interpolation;
  86     spline_t spline;
  87     arc_t arc;
  88     flagparams_t params;
  89     struct _state* next;
  90 } state_t;
  91
  92 state_t* state_new(U16 frame, int function, float value, interpolation_t* inter);
  93 void state_free(state_t* state);
  94 void state_init(state_t* state);
  95 state_t* state_at(state_t* state, U16 frame);
  96 void state_append(state_t* state, state_t* newState);
  97 void state_insert(state_t* state, state_t* newState);
  98 float state_value(state_t* first, float frame);
  99 float state_tangent(state_t* modification, U16 frame, int tangent);
 100
 101 typedef struct _filterState
 102 {
 103         U16 frame;
 104     FILTERLIST* value;
 105         int function;
 106         interpolation_t* interpolation;
 107     struct _filterState* next;
 108 } filterState_t;
 109
 110 filterState_t* filterState_new(U16 frame, int function, FILTERLIST* value, interpolation_t* inter);
 111 void filterState_free(filterState_t* change);
 112 void filterState_init(filterState_t* change);
 113 void filterState_append(filterState_t* first, filterState_t* newChange);
 114 FILTERLIST* filterState_value(filterState_t* first, U16 frame);
 115
 116 typedef struct _history
 117 {
 118     U16 firstFrame, lastFrame;
 119         TAG* firstTag;
 120     dict_t* states;
 121 } history_t;
 122
 123 history_t* history_new();
 124 void history_free(history_t* past);
 125 void history_init(history_t* past);
 126 void history_begin(history_t* past, char* parameter, U16 frame, TAG* tag, float value);
 127 void history_beginFilter(history_t* past, U16 frame, TAG* tag, FILTERLIST* value);
 128 void history_remember(history_t* past, char* parameter, U16 frame, int function, float value, interpolation_t* inter);
 129 void history_rememberSweep(history_t* past, U16 frame, float x, float y, float r, int clockwise, int short_arc, interpolation_t* inter);
 130 void history_rememberFilter(history_t* past, U16 frame, int function, FILTERLIST* value, interpolation_t* inter);
 131 void history_processFlags(history_t* past);
 132 int history_change(history_t* past, U16 frame, char* parameter);
 133 float history_value(history_t* past, U16 frame, char* parameter);
 134 float history_rotateValue(history_t* past, U16 frame);
 135 int history_changeFilter(history_t* past, U16 frame);
 136 FILTERLIST* history_filterValue(history_t* past, U16 frame);
 137
 138 #endif