Attachment 6870 Details for Bug 8180 – A c-program that illustrates the problem.

A c-program that illustrates the problem.

caps.c (text/x-csrc), 3.17 KB, created by Dov Grobgeld on 2006-09-07 14:28:51 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: Dov Grobgeld

Created: 2006-09-07 14:28:51 UTC

Size: 3.17 KB

patch

obsolete

>/*======================================================================
>//  caps.c - A paps like program
>//
>//  Dov Grobgeld <dov.grobgeld@gmail.com>
>//  Tue Sep  5 21:06:50 2006
>//----------------------------------------------------------------------
>*/
>
>#include <stdio.h>
>#include <stdarg.h>
>#include <stdlib.h>
>#include <string.h>
>#include <pango/pango.h>
>#include <pango/pangocairo.h>
>#include <cairo-ps.h>
>#include <cairo-svg.h>
>#include <cairo-pdf.h>
>
>static int
>draw_text(cairo_t *cr,
>          const gchar *text);
>cairo_status_t caps_cairo_write(void		  *closure,
>                                const unsigned char *data,
>                                unsigned int	   length);
>
>static void die(const char *fmt, ...)
>{
>    va_list ap;
>    va_start(ap,fmt); 
>    
>    vfprintf(stderr, fmt, ap);
>    exit(-1);
>}
>
>int main(int argc, char **argv)
>{
>  cairo_surface_t *surface;
>  cairo_t *cr;
>  int width = 595;
>  int height = 842;
>  const gchar *output_file = "-";
>  FILE *CAPS_OUT = NULL;
>  gchar *text = NULL;
>  GError *error = NULL;
>
>  /* Prerequisite when using glib. */
>  g_type_init();
>
>  if (argc > 1)
>    {
>      gchar *filename = argv[1];
>      gsize length;
>      g_file_get_contents(filename,
>                          &text,
>                          &length,
>                          &error);
>      if (error)
>        die("Error: %s\n", error->message);
>    }
>  else
>    text = g_strdup("It was the best of times it was the worst of times, "
>                    "it was the age of wisdom it was the age of foolishness, "
>                    "it was the epoch of belief it was the epoch of "
>                    "incredulity, it was the season of light it was "
>                    "the season of darkness, it was the spring of hope "
>                    "it was the winter of despair, we had everything "
>                    "before us we had nothing before us");
>
>  if (strcmp(output_file, "-") == 0)
>      CAPS_OUT = stdout;
>  else
>      CAPS_OUT = fopen(output_file, "w");
>  
>  surface = cairo_ps_surface_create_for_stream (caps_cairo_write,
>                                                CAPS_OUT,
>                                                width,
>                                                height);
>
>  cr = cairo_create (surface);
>
>  draw_text(cr, text);
>
>  cairo_destroy (cr);
>  cairo_surface_destroy (surface);
>  
>  exit(0);
>  return(0);
>}
>
>static int
>draw_text(cairo_t *cr,
>          const gchar *text)
>{
>    PangoFontDescription *font_description;
>    PangoLayout *layout;
>    
>    font_description = pango_font_description_from_string ("DejaVu Sans Mono 12");
>    
>    /* Create a PangoLayout, set the font and text */
>    layout = pango_cairo_create_layout (cr);
>    pango_layout_set_font_description (layout, font_description);
>
>    pango_layout_set_text (layout, text, -1);
>    pango_layout_set_width (layout, (int)(500 * PANGO_SCALE));
>
>    pango_cairo_show_layout(cr, layout);
>
>    cairo_show_page(cr);
>
>    return 0;
>}
>
>cairo_status_t caps_cairo_write(void		  *closure,
>                                const unsigned char *data,
>                                unsigned int	   length)
>{
>    FILE *CAPS_OUT = (FILE*)closure;
>    fwrite(data,length,1,CAPS_OUT);
>    return CAIRO_STATUS_SUCCESS;
>}

Actions: View

Attachments on bug 8180: 6870 | 6871 | 6872 | 6873 | 6874 | 8009

Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.