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768 lines
19 KiB
C
768 lines
19 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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/**********************************************************************
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mkanim.c
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By Daniel Malmer
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This code was mostly taken from mkicons.c.
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Given a list of filenames, creates a datafile that is read in by the
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browser at run-time. The images in the datafile will be used as the
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custom animation.
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Usage:
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mkanim large-file1 large-file2... large-filen small-file1 small-file2...
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small-filen
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**********************************************************************/
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/*
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mkicons.c --- converting transparent GIFs to embeddable XImage data.
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Created: Jamie Zawinski <jwz@netscape.com>, 17-Aug-95.
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(Danger. Here be monsters.)
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*/
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#define MAX_ANIM_FRAMES 50
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#ifdef sgi
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#include <bstring.h>
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#else
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#include <string.h>
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#endif
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#ifdef _HPUX_SOURCE
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typedef unsigned char uchar_t;
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#endif
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#include "if.h"
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#include "prtypes.h"
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#include <plevent.h>
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#include <prtypes.h>
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#include "libevent.h"
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extern void append_to_output_file(char* data, int len);
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/* =========================================================================
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All this junk is just to get it to link.
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=========================================================================
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*/
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void * FE_SetTimeout(TimeoutCallbackFunction func, void * closure,
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uint32 msecs) { return 0; }
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void FE_ClearTimeout(void *timer_id) {}
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void XP_Trace(const char * format, ...) {}
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void FE_ImageDelete(IL_Image *portableImage) {}
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int32 NET_GetMemoryCacheSize(void) { return 1000000; }
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int32 NET_GetMaxMemoryCacheSize(void) { return 1000000; }
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void NET_FreeURLStruct(URL_Struct * URL_s) {}
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int NET_InterruptWindow(MWContext * window_id) {return 0;}
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URL_Struct *NET_CreateURLStruct(const char *url, NET_ReloadMethod reload) { return 0; }
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History_entry * SHIST_GetCurrent(History * hist) { return 0; }
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int NET_GetURL (URL_Struct * URL_s, FO_Present_Types output_format,
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MWContext * context, Net_GetUrlExitFunc* exit_routine)
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{ return -1; }
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Bool LO_BlockedOnImage(MWContext *c, LO_ImageStruct *image) { return FALSE; }
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Bool NET_IsURLInDiskCache(URL_Struct *URL_s) {return TRUE;}
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XP_Bool NET_IsLocalFileURL(char *address) {return TRUE;}
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NET_StreamClass * NET_StreamBuilder (FO_Present_Types format_out,
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URL_Struct *anchor, MWContext *window_id)
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{ return 0; }
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Bool NET_AreThereActiveConnectionsForWindow(MWContext * window_id)
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{ return FALSE; }
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Bool NET_AreThereStoppableConnectionsForWindow(MWContext * window_id)
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{ return FALSE; }
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void LO_RefreshAnchors(MWContext *context) { }
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void GH_UpdateGlobalHistory(URL_Struct * URL_s) { }
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char * NET_EscapeHTML(const char * string) { return (char *)string; }
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Bool LO_LocateNamedAnchor(MWContext *context, URL_Struct *url_struct,
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int32 *xpos, int32 *ypos) { return FALSE; }
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Bool LO_HasBGImage(MWContext *context) {return FALSE; }
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void FE_UpdateStopState(MWContext *context) {}
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void
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FE_Alert (MWContext *context, const char *message) {}
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void ET_RemoveWindowContext(MWContext *context, ETVoidPtrFunc fn,
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void *data) { }
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extern int il_first_write(NET_StreamClass *stream, const unsigned char *str, int32 len);
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void fe_ReLayout (MWContext *context, NET_ReloadMethod force_reload) {}
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char *XP_GetBuiltinString(int16 i);
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char *
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XP_GetString(int16 i)
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{
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return XP_GetBuiltinString(i);
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}
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Bool
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NET_IsURLInMemCache(URL_Struct *URL_s)
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{
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return FALSE;
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}
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/* =========================================================================
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Now it gets REALLY nasty.
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=========================================================================
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*/
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struct image {
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int width, height;
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char *color_bits;
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char *mono_bits;
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char *mask_bits;
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};
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int total_images = 0;
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struct image images[500] = { { 0, }, };
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int total_colors;
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IL_IRGB cmap[256];
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char* current_file = NULL;
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int num_frames_small = 0;
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int width_small = 0;
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int height_small = 0;
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int num_frames_large = 0;
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int width_large = 0;
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int height_large = 0;
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int in_anim = 0;
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int inactive_icon_p = 0;
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int anim_frames[100] = { 0, };
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XP_Bool sgi_p = FALSE;
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static unsigned char *bitrev = 0;
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/*
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* warn
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*/
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void
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warn(char* msg)
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{
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fprintf(stderr, "Warning: %s: %s\n", current_file, msg);
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}
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/*
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* error
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*/
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void
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error(char* msg)
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{
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fprintf(stderr, "Error: %s: %s\n", current_file, msg);
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exit(1);
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}
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/*
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* init_reverse_bits
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*/
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static void
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init_reverse_bits(void)
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{
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if(!bitrev)
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{
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int i, x, br;
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bitrev = (unsigned char *)XP_ALLOC(256);
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for(i=0; i<256; i++)
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{
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br = 0;
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for(x=0; x<8; x++)
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{
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br = br<<1;
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if(i&(1<<x))
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br |= 1;
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}
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bitrev[i] = br;
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}
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}
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}
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typedef enum {INITIAL_STATE, LARGE_STATE, SMALL_STATE, ERROR_STATE} image_state;
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/*
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* image_size
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* This routine is registered with the image library to be invoked
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* when it has determined the size of the image that it is processing.
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* Sets the size of the image, and allocates the appropriate memory.
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*/
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int
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image_size (MWContext *context, IL_ImageStatus message,
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IL_Image *il_image, void *data)
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{
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static image_state state = INITIAL_STATE;
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switch ( state ) {
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case INITIAL_STATE:
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printf("First large frame is %s.\n", current_file);
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printf("Size is %d by %d pixels.\n", il_image->width, il_image->height);
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num_frames_large++;
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width_large = il_image->width;
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height_large = il_image->height;
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state = LARGE_STATE;
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break;
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case LARGE_STATE:
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if ( il_image->width == width_large &&
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il_image->height == height_large ) {
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if ( num_frames_large < MAX_ANIM_FRAMES ) {
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num_frames_large++;
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printf("Reading large frame %d...\n", num_frames_large);
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} else {
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warn("Ignoring. Too many frames for animation.");
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}
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} else {
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printf("First small frame is %s.\n", current_file);
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printf("Size is %d by %d pixels.\n", il_image->width, il_image->height);
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num_frames_small++;
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width_small = il_image->width;
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height_small = il_image->height;
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state = SMALL_STATE;
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}
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break;
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case SMALL_STATE:
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if ( il_image->width == width_small &&
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il_image->height == height_small ) {
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if ( num_frames_small < MAX_ANIM_FRAMES ) {
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num_frames_small++;
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printf("Reading small frame %d...\n", num_frames_small);
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} else {
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warn("Ignoring. Too many frames for animation.");
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}
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} else {
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error("Bad size. Animation frames must have the same size.\n");
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state = ERROR_STATE;
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}
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break;
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case ERROR_STATE:
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break;
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default:
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error("Unexpected error. Reached bad switch.\n");
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break;
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}
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if (il_image->bits)
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free (il_image->bits);
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il_image->bits = malloc (il_image->widthBytes * il_image->height);
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memset (il_image->bits, ~0, (il_image->widthBytes * il_image->height));
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if (!il_image->mask && il_image->transparent)
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{
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int size = il_image->maskWidthBytes * il_image->height;
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il_image->mask = malloc (size);
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memset (il_image->mask, ~0, size);
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}
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return 0;
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}
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/*
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* print_image
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*/
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void
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print_image(IL_Image* il_image)
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{
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printf("---------------------------------------------\n");
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printf("il_image->width = %d\n", il_image->width);
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printf("il_image->height = %d\n", il_image->height);
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printf("il_image->widthBytes = %d\n", il_image->widthBytes);
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printf("il_image->maskWidthBytes = %d\n", il_image->maskWidthBytes);
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printf("il_image->depth = %d\n", il_image->depth);
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printf("il_image->bytesPerPixel = %d\n", il_image->bytesPerPixel);
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printf("il_image->colors = %d\n", il_image->colors);
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printf("il_image->unique_colors = %d\n", il_image->unique_colors);
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printf("il_image->validHeight = %d\n", il_image->validHeight);
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printf("il_image->lastValidHeight = %d\n", il_image->lastValidHeight);
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printf("il_image->has_mask = %s\n", il_image->has_mask ?
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"True" : "False");
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printf("il_image->hasUniqueColormap = %s\n", il_image->hasUniqueColormap ?
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"True" : "False");
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}
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/*
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* get_color
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*/
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int
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get_color(uchar_t r, uchar_t g, uchar_t b)
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{
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int i;
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#ifdef DEBUG_username
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printf("Trying to find %d %d %d... ", r, g, b);
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#endif
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for ( i = 0; i < total_colors; i++ ) {
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if ( cmap[i].red == r &&
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cmap[i].green == g &&
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cmap[i].blue == b ) {
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return i;
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}
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}
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if ( total_colors > 64 ) {
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error("Animations can contain no more than 64 colors.\n");
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}
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cmap[total_colors].red = r;
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cmap[total_colors].green = g;
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cmap[total_colors].blue = b;
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total_colors++;
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return (total_colors-1);
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}
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/*
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* image_data
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* This routine is registered with the image library. It is invoked
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* when the image library has image data to be processed. The mono
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* bits, mask bits and color bits are written to the output buffer.
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*/
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void
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image_data (MWContext *context, IL_ImageStatus message, IL_Image *il_image,
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void *data)
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{
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int row_parity;
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unsigned char *s, *m, *scanline, *mask_scanline, *end;
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#ifdef DEBUG_username
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print_image(il_image);
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#endif
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if (message != ilComplete) abort ();
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images[total_images].width = il_image->width;
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images[total_images].height = il_image->height;
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if (il_image->depth == 1)
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images[total_images].mono_bits = il_image->bits;
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else
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images[total_images].color_bits = il_image->bits;
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if (il_image->mask)
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images[total_images].mask_bits = il_image->mask;
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if (il_image->depth == 1)
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return;
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if (il_image->depth != 32) {
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error("Color image depth not 32.\n");
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}
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/* Generate monochrome icon from color data. */
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scanline = il_image->bits;
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mask_scanline = il_image->mask;
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end = scanline + (il_image->widthBytes * il_image->height);
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row_parity = 0;
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while (scanline < end)
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{
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unsigned char *scanline_end = scanline + (il_image->width * 4);
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int luminance, pixel;
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int bit = 0;
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uchar_t byte = 0;
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row_parity ^= 1;
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for (m = mask_scanline, s = scanline; s < scanline_end; s += 4)
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{
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unsigned char r = s[3];
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unsigned char g = s[2];
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unsigned char b = s[1];
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luminance = (0.299 * r) + (0.587 * g) + (0.114 * b);
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pixel =
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((luminance < 128)) ||
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((r == 66) && (g == 154) && (b == 167)); /* Magic: blue */
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byte |= pixel << bit++;
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if ((bit == 8) || ((s + 4) >= scanline_end)) {
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/* Handle transparent areas of the icon */
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if (il_image->mask)
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byte &= bitrev[*m++];
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append_to_output_file((char*) &byte, 1);
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bit = 0;
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byte = 0;
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}
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}
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scanline += il_image->widthBytes;
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mask_scanline += il_image->maskWidthBytes;
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}
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/* Mask data */
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if (il_image->mask)
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{
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scanline = il_image->mask;
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end = scanline + (il_image->maskWidthBytes * il_image->height);
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for (;scanline < end; scanline += il_image->maskWidthBytes)
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{
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unsigned char *scanline_end = scanline + ((il_image->width + 7) / 8);
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for (s = scanline; s < scanline_end; s++)
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{
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append_to_output_file((char*) &(bitrev[*s]), 1);
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}
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}
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}
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else
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{
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append_to_output_file(0, (il_image->width+7)/8*(il_image->height));
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}
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/* Color icon */
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scanline = il_image->bits;
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end = scanline + (il_image->widthBytes * il_image->height);
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for (;scanline < end; scanline += il_image->widthBytes)
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{
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unsigned char *scanline_end = scanline + (il_image->width * 4);
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for (s = scanline; s < scanline_end; s += 4)
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{
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unsigned char r = s[3];
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unsigned char g = s[2];
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unsigned char b = s[1];
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int j;
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uchar_t byte;
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j = get_color(r, g, b);
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byte = (uchar_t) j;
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append_to_output_file((char*) &byte, 1);
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#ifdef DEBUG_username
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for (j = 0; j < total_colors; j++)
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if (r == cmap[j].red &&
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g == cmap[j].green &&
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b == cmap[j].blue)
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{
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byte = (uchar_t) j;
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append_to_output_file((char*) &byte, 1);
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goto DONE;
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}
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error("Error allocated colors.\n");
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DONE:
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;
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#endif
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}
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}
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if (il_image->bits) free (il_image->bits);
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il_image->bits = 0;
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if (il_image->mask) free (il_image->mask);
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il_image->mask = 0;
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}
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/*
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* set_title
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* A no-op.
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*/
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void
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set_title (MWContext *context, char *title)
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{
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}
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/*
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* do_file
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* Process an image file.
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*/
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void
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do_file (char *file)
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{
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static int counter = 0;
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FILE *fp;
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char *data;
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int size;
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NET_StreamClass *stream;
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struct stat st;
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char *s;
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URL_Struct *url;
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il_container *ic;
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il_process *proc;
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MWContext cx;
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ContextFuncs fns;
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IL_IRGB trans;
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memset (&cx, 0, sizeof(cx));
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memset (&fns, 0, sizeof(fns));
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url = XP_NEW_ZAP (URL_Struct);
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proc = XP_NEW_ZAP (il_process);
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url->address = strdup("\000\000");
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cx.funcs = &fns;
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fns.ImageSize = image_size;
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fns.ImageData = image_data;
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fns.SetDocTitle = set_title;
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{
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/* make a container */
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ic = XP_NEW_ZAP(il_container);
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ic->hash = 0;
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ic->urlhash = 0;
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ic->cx = &cx;
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ic->forced = 0;
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ic->image = XP_NEW_ZAP(IL_Image);
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ic->next = 0;
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ic->ip = proc;
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cx.imageProcess = proc;
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ic->state = IC_START;
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}
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url->fe_data = ic;
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ic->clients = XP_NEW_ZAP(il_client);
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ic->clients->cx = &cx;
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||
|
||
if ( stat (file, &st) ) {
|
||
perror(file);
|
||
exit(errno);
|
||
}
|
||
|
||
if ( !S_ISREG(st.st_mode) ) {
|
||
fprintf(stderr, "%s: Not a plain file.\n", file);
|
||
exit(1);
|
||
}
|
||
|
||
size = st.st_size;
|
||
|
||
data = (char *) malloc (size + 1);
|
||
fp = fopen (file, "r");
|
||
fread (data, 1, size, fp);
|
||
fclose (fp);
|
||
|
||
current_file = strdup(file);
|
||
|
||
s = strrchr (file, '.');
|
||
if (s) *s = 0;
|
||
s = strrchr (file, '/');
|
||
if (s)
|
||
s++;
|
||
else
|
||
s = file;
|
||
|
||
if (in_anim && strncmp (s, "Anim", 4))
|
||
/* once you've started anim frames, don't stop. */
|
||
abort ();
|
||
|
||
if ((!strcmp (s, "AnimSm00") || !strcmp (s, "AnimHuge00")) ||
|
||
((!strcmp (s, "AnimSm01") || !strcmp (s, "AnimHuge01")) &&
|
||
(!in_anim ||
|
||
anim_frames[in_anim-1] > 1)))
|
||
{
|
||
char *s2;
|
||
|
||
s2 = s - 2;
|
||
while (s2 > file && *s2 != '/')
|
||
s2--;
|
||
s[-1] = 0;
|
||
if (*s2 == '/')
|
||
s2++;
|
||
|
||
in_anim++;
|
||
}
|
||
|
||
if (in_anim)
|
||
{
|
||
if (strncmp (s, "Anim", 4)) abort ();
|
||
anim_frames[in_anim-1]++;
|
||
}
|
||
else
|
||
{
|
||
char *s2 = s;
|
||
while (*s2)
|
||
{
|
||
if (*s2 == '.') *s2 = '_';
|
||
s2++;
|
||
}
|
||
}
|
||
|
||
trans.red = trans.green = trans.blue = 0xC0;
|
||
|
||
cx.colorSpace = NULL;
|
||
|
||
IL_EnableTrueColor (&cx, 32,
|
||
#if defined(IS_LITTLE_ENDIAN)
|
||
24, 16, 8,
|
||
#elif defined(IS_BIG_ENDIAN)
|
||
0, 8, 16,
|
||
#else
|
||
ERROR! Endianness unknown.
|
||
#endif
|
||
8, 8, 8,
|
||
&trans, FALSE);
|
||
|
||
ic->cs = cx.colorSpace;
|
||
/*IL_SetPreferences (&cx, FALSE, ilClosestColor);*/
|
||
IL_SetPreferences (&cx, FALSE, ilDither);/* XXXM12N Replace with
|
||
IL_SetDisplayMode. */
|
||
url->address[0] = counter++;
|
||
stream = IL_NewStream (FO_PRESENT,
|
||
(strstr (current_file, ".gif") ? (void *) IL_GIF :
|
||
strstr (current_file, ".jpg") ? (void *) IL_JPEG :
|
||
strstr (current_file, ".jpeg") ? (void *) IL_JPEG :
|
||
strstr (current_file, ".xbm") ? (void *) IL_XBM :
|
||
(void *) IL_GIF),
|
||
url, &cx);
|
||
if ( stream->put_block (stream, data, size) < 0 ) {
|
||
error("Couldn't decode file.\n");
|
||
}
|
||
|
||
stream->complete (stream);
|
||
|
||
free(current_file);
|
||
free (data);
|
||
|
||
total_images++;
|
||
}
|
||
|
||
|
||
uchar_t* output_buf = NULL;
|
||
int output_max_len = 0;
|
||
int output_len = 0;
|
||
|
||
|
||
/*
|
||
* CHUNKSIZE should be 1024 or something, but make
|
||
* it small to make sure it works.
|
||
*/
|
||
#define CHUNKSIZE 64
|
||
|
||
|
||
/*
|
||
* append_to_output_file
|
||
* Append the given data to the output buffer. If the resulting data
|
||
* is too large for the currently allocated output buffer, first allocate
|
||
* additional space.
|
||
*/
|
||
void
|
||
append_to_output_file(char* data, int len)
|
||
{
|
||
while ( output_buf == NULL || output_len + len >= output_max_len ) {
|
||
output_max_len+= CHUNKSIZE;
|
||
output_buf = (char*) realloc(output_buf, output_max_len);
|
||
}
|
||
|
||
if ( data ) {
|
||
memcpy(output_buf+output_len, data, len);
|
||
} else {
|
||
memset(output_buf+output_len, 0xff, len);
|
||
}
|
||
|
||
output_len+= len;
|
||
}
|
||
|
||
|
||
#define ANIMATION_FILENAME "animation.dat"
|
||
|
||
|
||
/*
|
||
* usage
|
||
*/
|
||
void
|
||
usage(char* progname)
|
||
{
|
||
fprintf(stderr, "Usage: %s large-animation-files small-animation-files\n",
|
||
progname);
|
||
}
|
||
|
||
|
||
/*
|
||
* main
|
||
* Process each file given on the command line.
|
||
*/
|
||
int
|
||
main (int argc, char* argv[])
|
||
{
|
||
int i;
|
||
FILE* anim_file;
|
||
|
||
init_reverse_bits();
|
||
|
||
if ( argc < 2 ) {
|
||
usage(argv[0]);
|
||
exit(1);
|
||
}
|
||
|
||
for (i = 1; i < argc; i++) {
|
||
char *filename = argv[i];
|
||
inactive_icon_p = (strstr(filename, ".i.gif") != NULL);
|
||
do_file (filename);
|
||
}
|
||
|
||
if ( (anim_file = fopen(ANIMATION_FILENAME, "w")) == NULL ) {
|
||
perror(ANIMATION_FILENAME);
|
||
exit(errno);
|
||
}
|
||
|
||
fprintf(anim_file, "%d %d %d\n", num_frames_large, width_large, height_large);
|
||
fprintf(anim_file, "%d %d %d\n", num_frames_small, width_small, height_small);
|
||
fprintf(anim_file, "%d\n", total_colors);
|
||
|
||
for ( i = 0; i < total_colors; i++ ) {
|
||
fprintf(anim_file, "%x %x %x\n", cmap[i].red * 257,
|
||
cmap[i].green * 257,
|
||
cmap[i].blue * 257);
|
||
}
|
||
|
||
if ( output_buf == NULL ) {
|
||
error("No image data to write.\n");
|
||
}
|
||
|
||
if ( fwrite(output_buf, sizeof(uchar_t), output_len, anim_file) !=
|
||
output_len) {
|
||
perror(ANIMATION_FILENAME);
|
||
exit(errno);
|
||
}
|
||
|
||
if ( fclose(anim_file) != 0 ) {
|
||
perror(ANIMATION_FILENAME);
|
||
exit(errno);
|
||
}
|
||
|
||
printf("Wrote %d large frames, %d small frames.\n", num_frames_large,
|
||
num_frames_small);
|
||
|
||
printf("%d colors\n", total_colors);
|
||
|
||
fprintf(stderr, "Successfully wrote '%s'\n", ANIMATION_FILENAME);
|
||
|
||
return 0;
|
||
}
|
||
|
||
|