118 lines
3.0 KiB
Diff
118 lines
3.0 KiB
Diff
From 78a5f5d263c5209d685abbe657bbc5bd3f756994 Mon Sep 17 00:00:00 2001
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From: tuckerrrrrrrrrr <tucker1014@hotmail.com>
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Date: Sat, 14 Nov 2020 12:54:53 +0100
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Subject: [PATCH] Conversion to PDF
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Add the ability to convert presentations to PDF. Adds an additional
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dependency: cairo.
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---
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config.def.h | 1 +
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config.mk | 7 +++++--
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sent.c | 42 ++++++++++++++++++++++++++++++++++++++----
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3 files changed, 44 insertions(+), 6 deletions(-)
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diff --git a/config.def.h b/config.def.h
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index 60eb376..e68a099 100644
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--- a/config.def.h
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+++ b/config.def.h
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@@ -47,6 +47,7 @@ static Shortcut shortcuts[] = {
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{ XK_n, advance, {.i = +1} },
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{ XK_p, advance, {.i = -1} },
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{ XK_r, reload, {0} },
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+ { XK_g, pdf, {0} },
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};
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static Filter filters[] = {
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diff --git a/config.mk b/config.mk
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index d61c554..9174687 100644
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--- a/config.mk
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+++ b/config.mk
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@@ -7,14 +7,17 @@ VERSION = 1
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PREFIX = /usr/local
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MANPREFIX = ${PREFIX}/share/man
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+PKG_CONFIG = pkg-config
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+
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X11INC = /usr/X11R6/include
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X11LIB = /usr/X11R6/lib
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# includes and libs
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INCS = -I. -I/usr/include -I/usr/include/freetype2 -I${X11INC}
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-LIBS = -L/usr/lib -lc -lm -L${X11LIB} -lXft -lfontconfig -lX11
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+LIBS = -L/usr/lib -lc -lm -L${X11LIB} -lXft -lfontconfig -lX11 -lcairo
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# OpenBSD (uncomment)
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-#INCS = -I. -I${X11INC} -I${X11INC}/freetype2
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+INCS = -I. -I${X11INC} -I${X11INC}/freetype2 `${PKG_CONFIG} --cflags cairo`
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+LIBS += -L/usr/local/lib
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# FreeBSD (uncomment)
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#INCS = -I. -I/usr/local/include -I/usr/local/include/freetype2 -I${X11INC}
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#LIBS = -L/usr/local/lib -lc -lm -L${X11LIB} -lXft -lfontconfig -lX11
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diff --git a/sent.c b/sent.c
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index 9534fca..dc5cf89 100644
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--- a/sent.c
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+++ b/sent.c
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@@ -19,6 +19,10 @@
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#include <X11/Xutil.h>
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#include <X11/Xft/Xft.h>
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+#include <cairo/cairo.h>
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+#include <cairo/cairo-xlib.h>
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+#include <cairo/cairo-pdf.h>
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+
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#include "arg.h"
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#include "util.h"
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#include "drw.h"
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@@ -97,6 +101,7 @@ static void cleanup(int slidesonly);
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static void reload(const Arg *arg);
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static void load(FILE *fp);
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static void advance(const Arg *arg);
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+static void pdf();
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static void quit(const Arg *arg);
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static void resize(int width, int height);
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static void run();
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@@ -479,6 +480,42 @@ advance(const Arg *arg)
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}
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}
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+void
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+pdf()
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+{
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+ const Arg next = { .i = 1 };
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+ Arg first;
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+ cairo_surface_t *cs;
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+
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+ if (!fname)
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+ fname = "slides";
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+
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+ char filename[strlen(fname) + 5];
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+ sprintf(filename, "%s.pdf", fname);
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+ cairo_surface_t *pdf = cairo_pdf_surface_create(filename, xw.w, xw.h);
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+
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+ cairo_t *cr = cairo_create(pdf);
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+
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+ first.i = -idx;
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+ advance(&first);
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+
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+ cs = cairo_xlib_surface_create(xw.dpy, xw.win, xw.vis, xw.w, xw.h);
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+ cairo_set_source_surface(cr, cs, 0.0, 0.0);
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+ for (int i = 0; i < slidecount; ++i) {
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+ cairo_paint(cr);
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+ cairo_show_page(cr);
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+ cairo_surface_flush(cs);
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+ advance(&next);
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+ cairo_surface_mark_dirty(cs);
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+ }
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+ cairo_surface_destroy(cs);
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+
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+ cairo_destroy(cr);
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+ cairo_surface_destroy(pdf);
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+ first.i = -(slidecount-1);
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+ advance(&first);
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+}
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+
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void
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quit(const Arg *arg)
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{
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--
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2.29.2
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