* Powerpipo proof of concept. Needs the SVN version of TOIlet, but will

eventually be standalone.


git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/powerpipo/trunk@1818 92316355-f0b4-4df1-b90c-862c8a59935f

AUTHORS

@@ -0,0 +1 @@
+Sam Hocevar <sam@zoy.org>

COPYING

@@ -0,0 +1,14 @@
+            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+                    Version 2, December 2004
+
+ Copyright (C) 2004 Sam Hocevar
+  22 rue de Plaisance, 75014 Paris, France
+ Everyone is permitted to copy and distribute verbatim or modified
+ copies of this license document, and changing it is allowed as long
+ as the name is changed.
+
+            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. You just DO WHAT THE FUCK YOU WANT TO.
+

Makefile.am

@@ -0,0 +1,7 @@
+
+SUBDIRS = src
+DIST_SUBDIRS = $(SUBDIRS)
+
+EXTRA_DIST = bootstrap
+AUTOMAKE_OPTIONS = foreign dist-bzip2
+

TODO

@@ -0,0 +1 @@
+ * Almost everything

bootstrap

@@ -0,0 +1,124 @@
+#! /bin/sh
+
+# bootstrap: the ultimate bootstrap/autogen.sh script for autotools projects
+# Copyright (c) 2002, 2003, 2004, 2005, 2006 Sam Hocevar <sam@zoy.org>
+#
+#    This program is free software. It comes without any warranty, to
+#    the extent permitted by applicable law. You can redistribute it
+#    and/or modify it under the terms of the Do What The Fuck You Want
+#    To Public License, Version 2, as published by Sam Hocevar. See
+#    http://sam.zoy.org/wtfpl/COPYING for more details.
+#
+# The latest version of this script can be found at the following place:
+#   http://sam.zoy.org/autotools/
+
+# Die if an error occurs
+set -e
+
+# Guess whether we are using configure.ac or configure.in
+if test -f configure.ac; then
+  conffile="configure.ac"
+elif test -f configure.in; then
+  conffile="configure.in"
+else
+  echo "$0: could not find configure.ac or configure.in"
+  exit 1
+fi
+
+# Check for needed features
+auxdir="`sed -ne 's/^[ \t]*A._CONFIG_AUX_DIR *([\[ ]*\([^\] )]*\).*/\1/p' $conffile`"
+libtool="`grep -q '^[ \t]*A._PROG_LIBTOOL' $conffile && echo yes || echo no`"
+header="`grep -q '^[ \t]*A._CONFIG_HEADER' $conffile && echo yes || echo no`"
+aclocalflags="`sed -ne 's/^[ \t]*ACLOCAL_AMFLAGS[ \t]*=//p' Makefile.am`"
+
+# Check for automake
+amvers="no"
+for v in "-1.10" "110" "-1.9" "19" "-1.8" "18" "-1.7" "17" "-1.6" "16" "-1.5" "15"; do
+  if automake${v} --version >/dev/null 2>&1; then
+    amvers="${v}"
+    break
+  fi
+done
+
+if test "${amvers}" = "no" && automake --version > /dev/null 2>&1; then
+  amvers="`automake --version | sed -e '1s/[^0-9]*//' -e q`"
+  if expr "$amvers" "<" "1.5" > /dev/null 2>&1; then
+    amvers="no"
+  else
+    amvers=""
+  fi
+fi
+
+if test "$amvers" = "no"; then
+  echo "$0: you need automake version 1.5 or later"
+  exit 1
+fi
+
+# Check for autoconf
+acvers="no"
+for v in "" "259" "253"; do
+  if autoconf${v} --version >/dev/null 2>&1; then
+    acvers="${v}"
+    break
+  fi
+done
+
+if test "$acvers" = "no"; then
+  echo "$0: you need autoconf"
+  exit 1
+fi
+
+# Check for libtool
+if test "$libtool" = "yes"; then
+  libtoolize="no"
+  if glibtoolize --version >/dev/null 2>&1; then
+    libtoolize="glibtoolize"
+  else
+    for v in "16" "15" "" "14"; do
+      if libtoolize${v} --version >/dev/null 2>&1; then
+        libtoolize="libtoolize${v}"
+        break
+      fi
+    done
+  fi
+
+  if test "$libtoolize" = "no"; then
+    echo "$0: you need libtool"
+    exit 1
+  fi
+fi
+
+# Remove old cruft
+for x in aclocal.m4 configure config.guess config.log config.sub config.cache config.h.in config.h compile libtool.m4 ltoptions.m4 ltsugar.m4 ltversion.m4 ltmain.sh libtool ltconfig missing mkinstalldirs depcomp install-sh; do rm -f $x autotools/$x; if test -n "$auxdir"; then rm -f "$auxdir/$x"; fi; done
+rm -Rf autom4te.cache
+if test -n "$auxdir"; then
+  if test ! -d "$auxdir"; then
+    mkdir "$auxdir"
+  fi
+  aclocalflags="${aclocalflags} -I $auxdir -I ."
+fi
+
+# Explain what we are doing from now
+set -x
+
+# Bootstrap package
+if test "$libtool" = "yes"; then
+  ${libtoolize} --copy --force
+  if test -n "$auxdir" -a ! "$auxdir" = "." -a -f "ltmain.sh"; then
+    echo "$0: working around a minor libtool issue"
+    mv ltmain.sh "$auxdir/"
+  fi
+fi
+
+aclocal${amvers} ${aclocalflags}
+autoconf${acvers}
+if test "$header" = "yes"; then
+  autoheader${acvers}
+fi
+#add --include-deps if you want to bootstrap with any other compiler than gcc
+#automake${amvers} --add-missing --copy --include-deps
+automake${amvers} --foreign --add-missing --copy
+
+# Remove cruft that we no longer want
+rm -Rf autom4te.cache
+

configure.ac

@@ -0,0 +1,43 @@
+# $Id: configure.ac 98 2006-09-22 16:27:37Z sam $
+
+AC_INIT(powerpipo, 0.0)
+
+AC_PREREQ(2.50)
+AC_CONFIG_SRCDIR(src/main.c)
+AC_CONFIG_AUX_DIR(autotools)
+AC_CANONICAL_SYSTEM
+
+AM_INIT_AUTOMAKE(powerpipo, 0.0)
+AM_CONFIG_HEADER(config.h)
+
+AM_PROG_CC_C_O
+AC_PROG_CPP
+
+dnl AC_PROG_EGREP only exists in autoconf 2.54+, so we use AC_EGREP_CPP right
+dnl now otherwise it might be set in an obscure if statement. Same thing for
+dnl PKG_PROG_PKG_CONFIG which needs to be called first.
+AC_EGREP_CPP(yes, foo)
+PKG_PROG_PKG_CONFIG()
+
+dnl Don't let pkg-config fuck our cross-compilation environment
+m4_pattern_allow([^PKG_CONFIG_LIBDIR$])
+if test "$build" != "$host" -a "${PKG_CONFIG_LIBDIR}" = ""; then
+  export PKG_CONFIG_LIBDIR=/dev/null
+fi
+
+CACA="no"
+PKG_CHECK_MODULES(CACA, caca >= 0.99.beta9,
+ [CACA="yes"],
+ [AC_MSG_RESULT(no)
+  AC_MSG_ERROR([you need libcaca version 0.99.beta9 or later])])
+
+# Optimizations
+CFLAGS="${CFLAGS} -g -O2 -fno-strength-reduce -fomit-frame-pointer"
+# Code qui fait des warnings == code de porc == deux baffes dans ta gueule
+CFLAGS="${CFLAGS} -Wall -Wpointer-arith -Wcast-align -Wcast-qual -Wstrict-prototypes -Wshadow -Waggregate-return -Wmissing-prototypes -Wnested-externs -Wsign-compare"
+
+AC_OUTPUT([
+  Makefile
+  src/Makefile
+])
+

src/Makefile.am

@@ -0,0 +1,7 @@
+
+bin_PROGRAMS = powerpipo
+
+powerpipo_SOURCES = main.c
+powerpipo_CFLAGS = @CACA_CFLAGS@
+powerpipo_LDADD = @CACA_LIBS@
+

src/main.c

@@ -0,0 +1,160 @@
+/*
+ *  powerpipo          business presentation software
+ *  Copyright (c) 2007 Sam Hocevar <sam@zoy.org>
+ *                All Rights Reserved
+ *
+ *  $Id$
+ *
+ *  This program is free software. It comes without any warranty, to
+ *  the extent permitted by applicable law. You can redistribute it
+ *  and/or modify it under the terms of the Do What The Fuck You Want
+ *  To Public License, Version 2, as published by Sam Hocevar. See
+ *  http://sam.zoy.org/wtfpl/COPYING for more details.
+ */
+
+#include "config.h"
+
+#include <stdio.h>
+
+#include <cucul.h>
+#include <caca.h>
+
+static void do_page(cucul_canvas_t *, int);
+static void runtoilet(cucul_canvas_t *, char const *, char const *);
+
+int main(int argc, char *argv[])
+{
+    caca_display_t *dp;
+    cucul_canvas_t *cv;
+    int page = 0, npages = 10, changed = 1;
+
+    cv = cucul_create_canvas(0, 0);
+
+    dp = caca_create_display(cv);
+    if(!dp)
+        return 1;
+
+    caca_set_display_time(dp, 20000);
+    caca_set_display_title(dp, "PowerPIPO presentation tool");
+
+    for(;;)
+    {
+        caca_event_t ev;
+
+        /* Handle events */
+        while(caca_get_event(dp, CACA_EVENT_KEY_PRESS
+                                  | CACA_EVENT_QUIT, &ev, 10000))
+        {
+            if(ev.type == CACA_EVENT_QUIT)
+                goto end;
+            switch(ev.data.key.ch)
+            {
+            case CACA_KEY_ESCAPE:
+                goto end;
+                break;
+            case ' ':
+            case CACA_KEY_PAGEDOWN:
+                page++;
+                if(page > npages - 1)
+                    page = npages - 1;
+                changed = 1;
+                break;
+            case CACA_KEY_PAGEUP:
+                page--;
+                if(page < 0)
+                    page = 0;
+                changed = 1;
+                break;
+            }
+        }
+
+        if(changed)
+        {
+            do_page(cv, page);
+            caca_refresh_display(dp);
+            changed = 0;
+        }
+    }
+
+ end:
+    caca_free_display(dp);
+    cucul_free_canvas(cv);
+
+    return 0;
+}
+
+static void do_page(cucul_canvas_t *cv, int page)
+{
+    char str[BUFSIZ];
+    cucul_canvas_t *tmp;
+
+    cucul_clear_canvas(cv);
+    tmp = cucul_create_canvas(0, 0);
+
+    if(page < 1) goto end;
+    sprintf(str, "\x1b[33;93m» \x1b[37;97mEfficient presentations");
+    runtoilet(tmp, "-f smmono12", str);
+    cucul_blit(cv, 4, 0, tmp, NULL);
+
+    if(page < 2) goto end;
+    sprintf(str, "\x1b[32;92m» \x1b[37;97mWhy text mode?");
+    runtoilet(tmp, "-f smmono9", str);
+    cucul_blit(cv, 11, 9, tmp, NULL);
+
+    if(page < 3) goto end;
+    sprintf(str, "\x1b[32;92m» \x1b[37;97mExample: \x1b[34mp\x1b[35mo\x1b[36mw\x1b[32me\x1b[31mr\x1b[34mp\x1b[35mi\x1b[36mp\x1b[32mo\x1b[37m™");
+    runtoilet(tmp, "-f smmono9", str);
+    cucul_blit(cv, 11, 16, tmp, NULL);
+
+    if(page < 4) goto end;
+    sprintf(str, "\x1b[33;93m» \x1b[37;97mAdvanced stuff");
+    runtoilet(tmp, "-f smmono12", str);
+    cucul_blit(cv, 4, 24, tmp, NULL);
+
+    if(page < 5) goto end;
+    sprintf(str, "\x1b[32;92m» \x1b[37;97mTransition effects");
+    runtoilet(tmp, "-f smmono9", str);
+    cucul_blit(cv, 11, 34, tmp, NULL);
+
+    if(page < 6) goto end;
+    sprintf(str, "\x1b[32;92m» \x1b[37;97mColor filters");
+    runtoilet(tmp, "-f smmono9 --gay", str);
+    cucul_blit(cv, 11, 41, tmp, NULL);
+
+    if(page < 7) goto end;
+    sprintf(str, "\x1b[32;92m» \x1b[37;97mPictures and movies");
+    runtoilet(tmp, "-f smmono9", str);
+    cucul_blit(cv, 11, 48, tmp, NULL);
+
+    if(page < 8) goto end;
+    sprintf(str, "\x1b[32;92m» \x1b[37;97mEmbedded applications");
+    runtoilet(tmp, "-f smmono9", str);
+    cucul_blit(cv, 11, 55, tmp, NULL);
+
+end:
+    cucul_printf(cv, 0, 0, "page %i", page);
+}
+
+/* Warning: quotes are not safe */
+static void runtoilet(cucul_canvas_t *cv, char const *options, char const *str)
+{
+    char buf[BUFSIZ], cmd[BUFSIZ];
+    FILE *f;
+    int ret;
+
+    cucul_set_canvas_size(cv, 0, 0);
+
+    sprintf(cmd, "toilet -w 1000 %s '%s'", options, str);
+    f = popen(cmd, "r");
+    if(!f)
+        return;
+    ret = fread(buf, 1, BUFSIZ, f);
+    fclose(f);
+    if(ret <= 0)
+        return;
+
+    ret = cucul_import_memory(cv, buf, ret, "utf8");
+    if(ret <= 0)
+        return;
+}
+