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show.c
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show.c
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/*
Galileo Amiga File-Manager and Workbench Replacement
Copyright 1993-2012 Jonathan Potter & GP Software
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
This program is based on the source code of Directory Opus Magellan II,
released by GPSoftware under the APL license in 2012. Re-licensed under GPL by
permission of Dr Greg Perry, Managing Director of GPSoftware.
Opus® and Directory Opus® and associated images are registered trademarks of GPSoftware.
DOpus(TM), DirOpus(TM) and Opus File Manager(TM) are trademarked 1991 by GPSoftware.
Opus Magellan (TM) is trademarked 1996 GPSoftware.
All other trademarks are the property of their respective owners.
The release of Directory Opus 5 under the GPL in NO WAY affects
the existing commercial status of Directory Opus for Windows.
For more information on Directory Opus for Windows please see:
http://www.gpsoft.com.au
*/
#include "show.h"
static unsigned short pens[1]={(unsigned short)~0};
char *version="$VER: show.gfmmodule 0.1 "__AMIGADATE__" ";
int __asm __saveds L_Module_Entry(
register __a0 struct List *files,
register __a1 struct Screen *screen,
register __a2 IPCData *ipc,
register __a3 IPCData *main_ipc,
register __a4 APTR *memhandlep,
register __d0 ULONG mod_id,
register __d1 ULONG mod_data)
{
show_data *data;
struct Node *node;
static unsigned short __chip null_pointer[6];
short quit_flag=0;
char buf[8];
BOOL dt_first=0;
// Allocate data
if (!(data=AllocVec(sizeof(show_data),MEMF_CLEAR)))
return 0;
// Open datatypes library
DataTypesBase=OpenLibrary("datatypes.library",0);
// Open timer
if (!(data->timer=AllocTimer(UNIT_MICROHZ,0)))
{
show_free(data);
return 0;
}
// Store IPC pointer
data->ipc=ipc;
// Environment variable?
if ((GetVar("Galileo/ShowUseDatatypesFirst",buf,4,GVF_GLOBAL_ONLY))>0)
{
// Use datatypes first
dt_first=1;
}
// Go through files
for (node=files->lh_Head;node->ln_Succ;node=node->ln_Succ)
{
// Reset quit flag
quit_flag=0;
// Store file name pointer
data->file=node->ln_Name;
data->pic_ok=0;
// Try datatypes first?
if (dt_first) show_get_dtpic(data,node);
// If no datatypes picture, try to get ILBM
if (!data->pic_ok &&
(data->ilbm=ReadILBM(node->ln_Name,ILBMF_GET_BODY)))
{
BOOL ok=1;
// Check for palette file (small body of zeroes)
if (data->ilbm->image.body.size<16)
{
short a;
// Check for all zeroes
for (a=0;a<data->ilbm->image.body.size;a++)
if (data->ilbm->image.body.data[a]) break;
// All zeroes?
if (a==data->ilbm->image.body.size) ok=0;
}
// Ok to decode?
if (ok)
{
// We can't show a 24 bit ILBM unless we're running a hicolor display
if (data->ilbm->header.nPlanes>8)
{
ok=0;
if (GfxBase->LibNode.lib_Version>=39)
{
if (screen && GetBitMapAttr(screen->RastPort.BitMap,BMA_DEPTH)>8)
ok=1;
else
if (IntuitionBase->ActiveScreen && GetBitMapAttr(IntuitionBase->ActiveScreen->RastPort.BitMap,BMA_DEPTH)>8)
ok=1;
}
}
// Still ok?
if (ok)
{
// Get mode and size
data->modeid=data->ilbm->mode_id;
data->width=data->ilbm->header.w;
data->height=data->ilbm->header.h;
data->depth=data->ilbm->header.nPlanes;
data->picture_type="IFF ILBM";
data->pic_ok=1;
}
}
}
// No picture yet? Try datatypes if we haven't already
if (!data->pic_ok && !dt_first)
show_get_dtpic(data,node);
// Got a picture?
if (data->pic_ok)
{
// Clear naughty bits if not a 32 bit mode
if (!data->dt_object)
data->modeid&=~(GENLOCK_VIDEO|GENLOCK_AUDIO|VP_HIDE|SPRITES|PFBA);
// 24 bit ILBM?
if (data->depth==24 && data->modeid==0)
{
// Get best available mode (under 39)
if (GfxBase->LibNode.lib_Version>=39)
data->modeid=
BestModeID(
BIDTAG_NominalWidth,data->width,
BIDTAG_NominalHeight,data->height,
BIDTAG_Depth,24,
(screen)?BIDTAG_MonitorID:TAG_IGNORE,
(screen)?(GetVPModeID(&screen->ViewPort)&MONITOR_ID_MASK):0,
TAG_END);
}
// Check if mode is unavailable
if (ModeNotAvailable(data->modeid))
{
// 24 bit mode? Cut back to 8
if (data->depth==24) data->depth=8;
// Get best available mode (under 39)
if (GfxBase->LibNode.lib_Version>=39)
{
ULONG modeid;
// Get best mode
if ((modeid=
BestModeID(
BIDTAG_NominalWidth,data->width,
BIDTAG_NominalHeight,data->height,
BIDTAG_DesiredWidth,data->width,
BIDTAG_DesiredHeight,data->height,
BIDTAG_Depth,data->depth,
BIDTAG_SourceID,data->modeid,
(screen)?BIDTAG_MonitorID:TAG_IGNORE,
(screen)?(GetVPModeID(&screen->ViewPort)&MONITOR_ID_MASK):0,
TAG_END))!=INVALID_ID) data->modeid=modeid;
}
// Still unavailable?
if (ModeNotAvailable(data->modeid))
{
ULONG modeid=0;
// Low or high res?
if (data->width>320) modeid|=HIRES;
// Lace?
if (data->height>256) modeid|=LACE;
// Ham?
if (data->modeid&HAM_KEY) modeid|=HAM_KEY;
// EHB
else
if (data->modeid&EXTRAHALFBRITE_KEY) modeid|=EXTRAHALFBRITE_KEY;
// Use new mode
data->modeid=modeid;
}
}
// Open screen
if (data->display_screen=
OpenScreenTags(0,
SA_Width,data->width,
SA_Height,(data->height<16)?16:data->height,
SA_Depth,data->depth,
SA_Quiet,TRUE,
SA_Type,CUSTOMSCREEN,
SA_DisplayID,data->modeid,
SA_AutoScroll,TRUE,
SA_Pens,(ULONG)pens,
SA_ErrorCode,(ULONG)&data->error,
SA_Overscan,OSCAN_MAX,
SA_Behind,TRUE,
TAG_END))
{
// Datatypes object?
if (data->dt_object)
{
unsigned long i,r,g,b;
// Valid palette?
if (data->cregs)
{
ULONG *temp;
// Try allocate temporary palette
if (temp=AllocVec(((data->numcolours*3)+2)*sizeof(ULONG),MEMF_CLEAR))
{
// Copy palette
CopyMem(
(char *)data->cregs,
(char *)(temp+1),
data->numcolours*3*sizeof(ULONG));
// Initialise palette run
temp[0]=data->numcolours<<16;
// Load palette
LoadRGB32(&data->display_screen->ViewPort,temp);
FreeVec(temp);
}
// Do it manually
else
{
for (i=0;i<data->numcolours;i++)
{
r=data->cregs[i*3+0];
g=data->cregs[i*3+1];
b=data->cregs[i*3+2];
SetRGB32(&data->display_screen->ViewPort,i,r,g,b);
}
}
}
}
// Otherwise, load ILBM palette
else LoadPalette32(&data->display_screen->ViewPort,data->ilbm->palette);
// Open window
data->display_window=
OpenWindowTags(0,
WA_Width,data->display_screen->Width,
WA_Height,data->display_screen->Height,
WA_IDCMP,IDCMP_RAWKEY|IDCMP_VANILLAKEY|IDCMP_MOUSEBUTTONS|IDCMP_INACTIVEWINDOW,
WA_CustomScreen,data->display_screen,
WA_Borderless,TRUE,
WA_Activate,TRUE,
WA_RMBTrap,TRUE,
TAG_END);
data->active=1;
}
}
// Do we have a window?
if (data->display_window)
{
// Bring screen to front
if (mod_id!=666) ScreenToFront(data->display_screen);
// Datatypes?
if (data->dt_object)
{
// Blit from datatypes bitmap to main bitmap
BltBitMapRastPort(
data->dt_bm,0,0,
data->display_window->RPort,0,0,
GetBitMapAttr(data->dt_bm,BMA_WIDTH),
GetBitMapAttr(data->dt_bm,BMA_HEIGHT),
0xc0);
WaitBlit();
// Free datatypes object
DisposeDTObject(data->dt_object);
data->dt_object=0;
}
// ILBM?
else
if (data->ilbm)
{
ULONG flags=0;
// Is this an animation?
if (data->ilbm->flags&ILBMF_IS_ANIM)
{
// If not a brush anim, get a double-buffer
if (!(data->ilbm->flags&ILBMF_IS_ANIM_BRUSH))
{
// Allocate bitmap for double-buffering
if (data->double_bm=NewBitMap(
data->ilbm->header.w,
data->ilbm->header.h,
data->ilbm->header.nPlanes,
0,
0)) data->anim_ok=1;
}
else data->anim_ok=1;
}
// Under 39?
if (GfxBase->LibNode.lib_Version>=39)
{
// Get bitmap flags
if (!(GetBitMapAttr(data->display_screen->RastPort.BitMap,BMA_FLAGS)&BMF_STANDARD))
flags=DIF_WRITEPIX;
}
// Masking?
if (data->ilbm->header.masking==1) flags|=DIF_MASK;
// Decode data into display
DecodeILBM(
data->ilbm->image.body.data,
data->ilbm->header.w,
data->ilbm->header.h,
data->ilbm->header.nPlanes,
data->display_screen->RastPort.BitMap,
flags,
data->ilbm->header.compression);
// Free body data
FreeMemH(data->ilbm->image.body.data);
}
// Hide mouse pointer
SetPointer(
data->display_window,
null_pointer,
1,16,
0,0);
// Bring screen to front if not done already
if (mod_id==666) ScreenToFront(data->display_screen);
// Animation?
if (data->anim_ok)
{
// First bitmap
data->anim_bm[0]=data->display_screen->RastPort.BitMap;
data->anim_bitmap=0;
// Copy into double-buffer if this is an animation
if (!(data->ilbm->flags&ILBMF_IS_ANIM_BRUSH))
{
BltBitMap(
data->display_screen->RastPort.BitMap,
0,0,
data->double_bm,
0,0,
data->ilbm->header.w,
data->ilbm->header.h,
0xc0,
0xff,0);
// Get second bitmap pointer
data->anim_bm[1]=data->double_bm;
// Do first frame
show_next_frame(data);
}
// Get initial frame speed
if (data->ilbm->anim->header.framespersecond>0)
data->frame_speed=data->ilbm->anim->header.framespersecond;
else data->frame_speed=30;
data->original_speed=data->frame_speed;
// Calculate frame time
data->frame_secs=0;
data->frame_micros=UDivMod32(1000000,data->frame_speed);
if (data->frame_micros==1000000)
{
data->frame_secs=1;
data->frame_micros=0;
}
// Start animation playing
data->anim_playing=1;
// Send time request
StartTimer(data->timer,data->frame_secs,data->frame_micros);
// Get proper frame count
if (data->ilbm->flags&ILBMF_IS_ANIM_BRUSH)
data->frame_count=data->ilbm->anim->frame_count;
else data->frame_count=1+(data->ilbm->anim->frame_count-2);
data->frame_num=1;
}
// Event loop
FOREVER
{
struct IntuiMessage *msg;
IPCMessage *imsg;
// Timer complete?
if (data->anim_ok && (CheckTimer(data->timer)))
{
// If animation is playing, show next frame
if (data->anim_playing)
show_next_frame(data);
// Resend time request
StartTimer(data->timer,data->frame_secs,data->frame_micros);
}
// IPC messages?
if (ipc)
{
while (imsg=(IPCMessage *)GetMsg(ipc->command_port))
{
// Abort?
if (imsg->command==IPC_ABORT || imsg->command==IPC_QUIT)
quit_flag=-1;
IPC_Reply(imsg);
}
}
// Intuition messages
while (msg=(struct IntuiMessage *)GetMsg(data->display_window->UserPort))
{
struct IntuiMessage msg_copy;
BOOL recalc=0;
// Copy message and reply
msg_copy=*msg;
ReplyMsg((struct Message *)msg);
// If in "start up pic mode", don't respond
if (mod_id==666) continue;
switch (msg_copy.Class)
{
// Key press
case IDCMP_RAWKEY:
// Function keys give varying speeds
if (msg_copy.Code>=0x50 && msg_copy.Code<=0x59)
{
msg_copy.Code-=0x4f;
data->frame_speed=UDivMod32(60,msg_copy.Code);
recalc=1;
break;
}
case IDCMP_VANILLAKEY:
// Ignore repeat
if (msg_copy.Qualifier&IEQUALIFIER_REPEAT)
break;
switch (msg_copy.Code)
{
// Escape
case 0x1b:
quit_flag=-1;
break;
// Delete will mark for deletion
case 0x7f:
quit_flag=1;
node->lve_Flags|=SHOWF_DELETE;
break;
// Quit
case 'q':
node->lve_Flags|=SHOWF_SELECTED;
quit_flag=1;
break;
// Help
case 0x5f:
case 'p':
case ' ':
if (!(show_help(data)))
quit_flag=-1;
break;
// Next frame
case 'n':
if (data->anim_ok)
{
data->anim_playing=0;
show_next_frame(data);
}
break;
// Start/stop playing
case 's':
data->anim_playing=1-data->anim_playing;
break;
// Slow animation down
case '-':
if (data->frame_speed>1)
{
--data->frame_speed;
recalc=1;
}
break;
// Speed animation up
case '=':
if (data->frame_speed<120)
{
++data->frame_speed;
recalc=1;
}
break;
// Original speed
case '\\':
data->frame_speed=data->original_speed;
recalc=1;
break;
}
break;
// Mouse buttons
case IDCMP_MOUSEBUTTONS:
// Not active?
if (!data->active)
{
data->active=1;
break;
}
// Quit type
if (msg_copy.Code==SELECTDOWN)
quit_flag=1;
else
if (msg_copy.Code==MENUDOWN)
quit_flag=-1;
else
if (msg_copy.Code==MIDDLEDOWN)
{
node->lve_Flags|=SHOWF_SELECTED;
quit_flag=1;
}
break;
// Inactive
case IDCMP_INACTIVEWINDOW:
data->active=0;
break;
}
// Recalculate frame time?
if (data->anim_ok && recalc)
{
// Calculate frame time
data->frame_secs=0;
data->frame_micros=UDivMod32(1000000,data->frame_speed);
if (data->frame_micros==1000000)
{
data->frame_secs=1;
data->frame_micros=0;
}
}
}
// Check quit flag
if (quit_flag) break;
// Wait for an event
Wait(
1<<data->display_window->UserPort->mp_SigBit|
1<<data->timer->port->mp_SigBit|
((ipc)?(1<<ipc->command_port->mp_SigBit):0));
}
}
// Close window
if (data->display_window)
{
if (data->display_screen) ScreenToBack(data->display_screen);
CloseWindow(data->display_window);
data->display_window=0;
}
// Close screen
if (data->display_screen)
{
// Make sure original bitmap is shown
if (data->anim_ok && !(data->ilbm->flags&ILBMF_IS_ANIM_BRUSH))
data->display_screen->ViewPort.RasInfo->BitMap=data->anim_bm[0];
CloseScreen(data->display_screen);
data->display_screen=0;
}
// Free ILBM
if (data->ilbm)
{
// Free double-buffer bitmap
DisposeBitMap(data->double_bm);
data->double_bm=0;
// Free ilbm
FreeILBM(data->ilbm);
data->ilbm=0;
}
// Or datatypes object
else
if (data->dt_object)
{
DisposeDTObject(data->dt_object);
data->dt_object=0;
}
// Clear some stuff
data->anim_ok=0;
data->cregs=0;
data->dt_bm=0;
// Abort?
if (quit_flag==-1) break;
}
// Free data
show_free(data);
return (quit_flag==-1)?-1:1;
}
// Free show data
void show_free(show_data *data)
{
if (data)
{
// Close display window
if (data->display_window)
CloseWindow(data->display_window);
// Close display screen
if (data->display_screen)
CloseScreen(data->display_screen);
// Close timer
FreeTimer(data->timer);
// Close library
CloseLibrary(DataTypesBase);
// Free data
FreeVec(data);
}
}
// Show information on a picture
BOOL show_help(show_data *data)
{
ULONG mode_id=HIRES_KEY;
ULONG wb_mode;
BOOL screen_flag=1;
struct Screen *help_screen;
struct Window *help_window;
NewConfigWindow new_win;
BOOL ret=1;
ObjectList *list;
// Is display screen open?
if (data->display_screen)
{
// Get monitor
mode_id=GetVPModeID(&data->display_screen->ViewPort)&MONITOR_ID_MASK;
}
// Lock Workbench screen
if (help_screen=LockPubScreen("Workbench"))
{
// Get mode from workbench
wb_mode=GetVPModeID(&help_screen->ViewPort);
// Unlock Workbench
UnlockPubScreen(0,help_screen);
// Isolate display mode
wb_mode&=~MONITOR_ID_MASK;
mode_id|=wb_mode;
}
// Can't lock Workbench, default to hires
else
{
mode_id|=HIRES_KEY;
wb_mode=mode_id;
}
// Under 39, use BestModeID
if (GfxBase->LibNode.lib_Version>=39)
{
mode_id=BestModeID(
BIDTAG_NominalWidth,640,
BIDTAG_NominalHeight,(wb_mode&LORESLACE_KEY)?400:200,
BIDTAG_Depth,2,
BIDTAG_MonitorID,mode_id&MONITOR_ID_MASK,
BIDTAG_SourceID,wb_mode,
TAG_END);
}
// See if mode is available
if (ModeNotAvailable(mode_id))
{
// Clear out display mode, make hires
mode_id&=MONITOR_ID_MASK;
mode_id|=HIRES_KEY;
}
// Open help screen
if (!(help_screen=OpenScreenTags(0,
SA_Width,STDSCREENWIDTH,
SA_Height,STDSCREENHEIGHT,
SA_Overscan,OSCAN_TEXT,
SA_DisplayID,mode_id,
SA_Depth,2,
SA_Pens,pens,
SA_SysFont,1,
SA_Title,GetString(locale,MSG_INFO_TITLE),
SA_Parent,data->display_screen,
SA_Type,CUSTOMSCREEN,
TAG_END)))
{
// Get default public screen
if (!(help_screen=LockPubScreen(0)))
return 1;
screen_flag=0;
ScreenToFront(help_screen);
}
// Fill out new window
new_win.parent=help_screen;
new_win.dims=(data->anim_ok)?&anim_info_window:&picture_info_window;
new_win.title=GetString(locale,MSG_INFO_TITLE);
new_win.locale=locale;
new_win.port=0;
new_win.flags=WINDOW_SCREEN_PARENT|WINDOW_SIMPLE|WINDOW_AUTO_REFRESH|WINDOW_AUTO_KEYS|WINDOW_REQ_FILL;
new_win.font=0;
// Open info window
if (help_window=OpenConfigWindow(&new_win))
{
char buf[sizeof(struct NameInfo)];
ULONG mode_id;
// Add objects
if (data->anim_ok)
{
list=AddObjectList(help_window,anim_info_objects);
}
else
{
list=AddObjectList(help_window,picture_info_objects);
}
AddObjectList(help_window,show_info_objects);
AddObjectList(help_window,print_objects);
// File name
SetGadgetValue(list,GAD_INFO_FILE,(ULONG)FilePart(data->file));
// Image size
lsprintf(buf,"%ld x %ld",data->width,data->height);
SetGadgetValue(list,GAD_INFO_IMAGE_SIZE,(ULONG)buf);
// Get mode
mode_id=GetVPModeID(&data->display_screen->ViewPort);
// Number of colours
lsprintf(buf,"%ld",1<<data->depth);
if (data->depth)
{
// HAM mode?
if (mode_id&HAM_KEY)
{
if (data->depth==8)
strcpy(buf,"256K (HAM8)");
else strcpy(buf,"4096 (HAM6)");
}
// EHB mode
else
if (mode_id&EXTRAHALFBRITE_KEY)
{
lsprintf(buf,"%ld (EHB)",(1<<data->depth));
}
}
SetGadgetValue(list,GAD_INFO_COLOURS,(ULONG)buf);
// Get display mode name
if (GetDisplayInfoData(0,buf,sizeof(struct NameInfo),DTAG_NAME,(mode_id&~(HAM_KEY|EXTRAHALFBRITE_KEY))))
SetGadgetValue(list,GAD_INFO_MODE,(ULONG)((struct NameInfo *)buf)->Name);
// Animation info?
if (data->anim_ok)
{
// Frame number
lsprintf(buf,GetString(locale,MSG_INFO_FRAME_NUM),
data->frame_num,
data->frame_count,
data->frame_speed);
SetGadgetValue(list,GAD_INFO_FRAME,(ULONG)buf);
// Anim type
if (data->last_frame)
{
lsprintf(buf,"ANIM Op %ld",data->last_frame->header.operation);
SetGadgetValue(list,GAD_INFO_ANIM,(ULONG)buf);
}
}
// Otherwise, picture type
else SetGadgetValue(list,GAD_INFO_TYPE,(ULONG)data->picture_type);
// Get preferences
GetPrefs(&data->prefs,sizeof(struct Preferences));
// Initialise printer controls
SetGadgetValue(list,GAD_PRINT_ASPECT,data->prefs.PrintAspect);
SetGadgetValue(list,GAD_PRINT_IMAGE,data->prefs.PrintImage);
SetGadgetValue(list,GAD_PRINT_SHADE,data->prefs.PrintShade);
SetGadgetValue(list,GAD_PRINT_FORM_FEED,1);
// Event loop
FOREVER
{
struct IntuiMessage *msg;
IPCMessage *imsg;
BOOL quit_flag=0;
// IPC messages?
if (data->ipc)
{
while (imsg=(IPCMessage *)GetMsg(data->ipc->command_port))
{
// Abort?
if (imsg->command==IPC_ABORT || imsg->command==IPC_QUIT)
{
quit_flag=1;
ret=0;
}
IPC_Reply(imsg);
}
}
// Intuition messages
while (msg=GetWindowMsg(help_window->UserPort))
{
struct IntuiMessage msg_copy;
// Copy message and reply
msg_copy=*msg;
ReplyWindowMsg(msg);
switch (msg_copy.Class)
{
// Close window
case IDCMP_CLOSEWINDOW:
quit_flag=1;
break;
// Gadget
case IDCMP_GADGETUP:
switch (((struct Gadget *)msg_copy.IAddress)->GadgetID)
{
// Ok
case GAD_OK:
quit_flag=1;
break;
// Print
case GAD_PRINT:
if ((show_print(data,help_window,list))==-1)
{
quit_flag=1;
ret=0;
}
break;
}
break;
}
}
if (quit_flag) break;
Wait(
1<<help_window->UserPort->mp_SigBit|
((data->ipc)?(1<<data->ipc->command_port->mp_SigBit):0));
}
// Close information window
CloseConfigWindow(help_window);
}
// Did we have a screen?
if (help_screen)
{
// Close or unlock it as appropriate
if (screen_flag) CloseScreen(help_screen);
else UnlockPubScreen(0,help_screen);
}
return ret;
}
/*
// varargs OpenScreenTags()
struct Screen *__stdargs my_OpenScreenTags(Tag tag,...)
{
return OpenScreenTagList(0,(struct TagItem *)&tag);
}
// varargs OpenWindowTags()
struct Window *__stdargs my_OpenWindowTags(Tag tag,...)
{
return OpenWindowTagList(0,(struct TagItem *)&tag);
}
// varargs BestModeID()
ULONG __stdargs BestModeID(Tag tag,...)
{
return BestModeIDA((struct TagItem *)&tag);
}
*/
// Next animation frame
void show_next_frame(show_data *data)
{
ANIMFrame *frame;
// If we're not an anim brush, do double-buffering
if (!(data->ilbm->flags&ILBMF_IS_ANIM_BRUSH))
{
// Switch to show other bitmap
data->display_screen->ViewPort.RasInfo->BitMap=data->anim_bm[data->anim_bitmap];
ScrollVPort(&data->display_screen->ViewPort);
data->anim_bitmap=1-data->anim_bitmap;
}
// Make sure frame has been displayed
WaitBOVP(&data->display_screen->ViewPort);
// Back to first frame?
if (!data->ilbm->anim->current ||
!data->ilbm->anim->current->node.mln_Succ)
{
// Get first frame?
data->ilbm->anim->current=(ANIMFrame *)data->ilbm->anim->frames.mlh_Head;
// Skip first frame unless an anim brush
if (!(data->ilbm->flags&ILBMF_IS_ANIM_BRUSH))