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minor syntax, style and README fixes

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This commit is contained in:
Markus Teich 2015-12-08 22:09:26 +01:00
parent 0798e82d23
commit 24762d0172
3 changed files with 23 additions and 13 deletions
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12
README.md
View File

@ -1,14 +1,19 @@
sent is a simple plaintext presentation tool.
sent does not need latex, libreoffice or any other fancy file format, it uses
plaintext files and png images. Every paragraph represents a slide in the
presentation.
plaintext files to describe the slides and can include images via farbfeld.
Every paragraph represents a slide in the presentation.
The presentation is displayed in a simple X11 window. The content of each slide
is automatically scaled to fit the window and centered so you also don't have to
worry about alignment. Instead you can really concentrate on the content.
Dependencies
You need Xlib to build sent and the farbfeld[0] tools installed to use images in
your presentations.
Demo
To get a little demo, just type
@ -47,3 +52,6 @@ presentation file could look like this:
Development
sent is developed at http://tools.suckless.org/sent
0: http://git.2f30.org/farbfeld/about/

1
example
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@ -20,6 +20,7 @@ easy to use
depends on
♽ Xlib
☃ farbfeld
~1000 lines of code

23
sent.c
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@ -186,7 +186,7 @@ Image *ffopen(char *filename)
tmpfd = fd;
fd = filter(fd, bin);
if (fd < 0)
eprintf("could not filter %s:", filename);
eprintf("Unable to filter %s:", filename);
close(tmpfd);
if (read(fd, hdr, 16) != 16)
@ -218,7 +218,7 @@ int ffread(Image *img)
uint8_t opac;
uint8_t fg_r, fg_g, fg_b, bg_r, bg_g, bg_b;
size_t rowlen, off, nbytes;
ssize_t r;
ssize_t count;
if (!img)
return 0;
@ -249,10 +249,10 @@ int ffread(Image *img)
for (off = 0, y = 0; y < img->bufheight; y++) {
nbytes = 0;
while (nbytes < rowlen) {
r = read(img->fd, (char *)row + nbytes, rowlen - nbytes);
if (r < 0)
eprintf("read:");
nbytes += r;
count = read(img->fd, (char *)row + nbytes, rowlen - nbytes);
if (count < 0)
eprintf("Unable to read from pipe:");
nbytes += count;
}
for (x = 0; x < rowlen / 2; x += 4) {
fg_r = ntohs(row[x + 0]) / 256;
@ -346,7 +346,7 @@ void ffdraw(Image *img)
int xoffset = (xw.w - img->ximg->width) / 2;
int yoffset = (xw.h - img->ximg->height) / 2;
XPutImage(xw.dpy, xw.win, d->gc, img->ximg, 0, 0,
xoffset, yoffset, img->ximg->width, img->ximg->height);
xoffset, yoffset, img->ximg->width, img->ximg->height);
XFlush(xw.dpy);
img->state |= DRAWN;
}
@ -604,12 +604,13 @@ void xinit()
resize(DisplayWidth(xw.dpy, xw.scr), DisplayHeight(xw.dpy, xw.scr));
xw.attrs.bit_gravity = CenterGravity;
xw.attrs.event_mask = KeyPressMask | ExposureMask | StructureNotifyMask
| ButtonMotionMask | ButtonPressMask;
xw.attrs.event_mask = KeyPressMask | ExposureMask | StructureNotifyMask |
ButtonMotionMask | ButtonPressMask;
xw.win = XCreateWindow(xw.dpy, XRootWindow(xw.dpy, xw.scr), 0, 0,
xw.w, xw.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput, xw.vis,
CWBitGravity | CWEventMask, &xw.attrs);
xw.w, xw.h, 0, XDefaultDepth(xw.dpy, xw.scr),
InputOutput, xw.vis, CWBitGravity | CWEventMask,
&xw.attrs);
xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False);
xw.netwmname = XInternAtom(xw.dpy, "_NET_WM_NAME", False);