X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=lib%2Fmodules%2Fswfbutton.c;h=40684aa7e74bd655d7e3717b2ac42f2110fe7e85;hb=879d0eec420fe0fd5ddcd56c8fe62b82a6744edd;hp=84528a40710644f0a1da0945457d0d8c24c6113b;hpb=e1a61c82d0d1c2303041370fc1d8f4c66b22d586;p=swftools.git diff --git a/lib/modules/swfbutton.c b/lib/modules/swfbutton.c index 84528a4..40684aa 100644 --- a/lib/modules/swfbutton.c +++ b/lib/modules/swfbutton.c @@ -1,92 +1,148 @@ -/* swfbutton.c - - Button functions - - Extension module for the rfxswf library. - Part of the swftools package. - - Copyright (c) 2000, 2001 Rainer Böhme - - This file is distributed under the GPL, see file COPYING for details - -*/ - -int swf_ButtonSetRecord(TAG * t,U8 state,U16 id,U16 layer,MATRIX * m,CXFORM * cx) - -{ swf_SetU8(t,state); - swf_SetU16(t,id); - swf_SetU16(t,layer); - swf_SetMatrix(t,m); - if (swf_GetTagID(t)==ST_DEFINEBUTTON2) swf_SetCXForm(t,cx,0); - return 0; -} - -int swf_ButtonSetCondition(TAG * t,U16 condition) -{ swf_SetU16(t,0); // dummy for Action Offset -> later set by ButtonPostProcess - swf_SetU16(t,condition); - return 0; -} - -int swf_ButtonSetFlags(TAG * t,U8 flags) -{ if (swf_GetTagID(t)==ST_DEFINEBUTTON2) - { swf_SetU8(t,flags); - swf_SetU16(t,0); // dummy for Action Offset -> later set by ButtonPostProcess - } - return 0; -} - -void swf_SetButtonOffset(TAG * t,U32 offsetpos) -{ U32 now = swf_GetTagPos(t); - U16 diff = now-offsetpos; - swf_SetTagPos(t,offsetpos); - t->data[t->pos++] = (U8)(diff&0xff); - t->data[t->pos++] = (U8)(diff>>8); - swf_SetTagPos(t,now); -} - -int swf_ButtonPostProcess(TAG * t,int anz_action) -{ if (swf_GetTagID(t)==ST_DEFINEBUTTON2) - { U32 oldTagPos; - U32 offsetpos; - - oldTagPos = swf_GetTagPos(t); - - // scan DefineButton2 Record - - swf_GetU16(t); // Character ID - swf_GetU8(t); // Flags; - - offsetpos = swf_GetTagPos(t); // first offset - swf_GetU16(t); - - while (swf_GetU8(t)) // state -> parse ButtonRecord - { swf_GetU16(t); // id - swf_GetU16(t); // layer - swf_GetMatrix(t,NULL); // matrix - swf_GetCXForm(t,NULL,0);// CXForm - } - - swf_SetButtonOffset(t,offsetpos); - - while(anz_action) - { U8 a; - - offsetpos = swf_GetTagPos(t); // offset - swf_GetU16(t); - - swf_GetU16(t); // condition - - while (a=swf_GetU8(t)) // skip action records - { if (a&0x80) - { U16 l = swf_GetU16(t); - swf_GetBlock(t,NULL,l); - } - } - - if (--anz_action) swf_SetButtonOffset(t,offsetpos); - } - - swf_SetTagPos(t,oldTagPos); - } - return 0; -} +/* swfbutton.c + + Button functions + + Extension module for the rfxswf library. + Part of the swftools package. + + Copyright (c) 2000, 2001 Rainer Böhme + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ + +#include "../rfxswf.h" + +int swf_ButtonSetRecord(TAG * t,U8 state,U16 id,U16 layer,MATRIX * m,CXFORM * cx) + +{ swf_SetU8(t,state); + swf_SetU16(t,id); + swf_SetU16(t,layer); + swf_SetMatrix(t,m); + if (swf_GetTagID(t)==ST_DEFINEBUTTON2) swf_SetCXForm(t,cx,1); + return 0; +} + +int swf_ButtonSetCondition(TAG * t,U16 condition) +{ swf_SetU16(t,0); // dummy for Action Offset -> later set by ButtonPostProcess + swf_SetU16(t,condition); + return 0; +} + +int swf_ButtonSetFlags(TAG * t,U8 flags) +{ if (swf_GetTagID(t)==ST_DEFINEBUTTON2) + { swf_SetU8(t,flags); + swf_SetU16(t,0); // dummy for Action Offset -> later set by ButtonPostProcess + } + return 0; +} + +void swf_SetButtonOffset(TAG * t,U32 offsetpos) +{ U32 now = swf_GetTagPos(t); + U16 diff = now-offsetpos; + swf_SetTagPos(t,offsetpos); + t->data[t->pos++] = (U8)(diff&0xff); + t->data[t->pos++] = (U8)(diff>>8); + swf_SetTagPos(t,now); +} + +int swf_ButtonPostProcess(TAG * t,int anz_action) +{ if (swf_GetTagID(t)==ST_DEFINEBUTTON2) + { U32 oldTagPos; + U32 offsetpos; + + oldTagPos = swf_GetTagPos(t); + + // scan DefineButton2 Record + + swf_GetU16(t); // Character ID + swf_GetU8(t); // Flags; + + offsetpos = swf_GetTagPos(t); // first offset + swf_GetU16(t); + + while (swf_GetU8(t)) // state -> parse ButtonRecord + { swf_GetU16(t); // id + swf_GetU16(t); // layer + swf_GetMatrix(t,NULL); // matrix + swf_GetCXForm(t,NULL,1);// CXForm + } + + swf_SetButtonOffset(t,offsetpos); + + while(anz_action) + { U8 a; + + offsetpos = swf_GetTagPos(t); // offset + swf_GetU16(t); + + swf_GetU16(t); // condition + + while ((a=swf_GetU8(t))) // skip action records + { if (a&0x80) + { U16 l = swf_GetU16(t); + swf_GetBlock(t,NULL,l); + } + } + + if (--anz_action) swf_SetButtonOffset(t,offsetpos); + } + + swf_SetTagPos(t,oldTagPos); + } + return 0; +} + +ActionTAG* swf_Button1GetAction(TAG*tag) +{ + swf_GetU16(tag); //button id + while(1) + { + U8 flags = swf_GetU8(tag); + if(!flags) + break; + swf_GetU16(tag); //char + swf_GetU16(tag); //layer + swf_ResetReadBits(tag); + swf_GetMatrix(tag, NULL); + } + return swf_ActionGet(tag); +} + +ActionTAG* swf_Button2GetAction(TAG*tag) +{ + swf_GetU16(tag); //button id + swf_GetU8(tag); //flag + U16 offset = swf_GetU16(tag); //offset + swf_SetTagPos(tag, offset); + swf_GetU16(tag); // next offset + swf_GetU16(tag); // condition + + /* notice: this only returns the *first* action block. + For the current appliances, this is enough. + */ + return swf_ActionGet(tag); +} + +ActionTAG* swf_ButtonGetAction(TAG*t) +{ + if(t->id == ST_DEFINEBUTTON) { + return swf_Button1GetAction(t); + } else if(t->id == ST_DEFINEBUTTON2) { + return swf_Button2GetAction(t); + } else { + fprintf(stderr, "error in buttongetaction: not a button tag\n"); + return 0; + } +} +