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/*
* scaling-report.c
*
* Write a nice PDF of scaling parameters
*
* (c) 2011 Thomas White <taw@physics.org>
*
* Part of CrystFEL - crystallography with a FEL
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <cairo.h>
#include <cairo-pdf.h>
#include <pango/pangocairo.h>
#include "image.h"
static void write_title(cairo_t *cr, const char *filename, double w, double h)
{
char text[1024];
PangoLayout *layout;
PangoFontDescription *fontdesc;
int width, height;
snprintf(text, 1023, "Scaling report: %s", filename);
layout = pango_cairo_create_layout(cr);
pango_layout_set_text(layout, text, -1);
fontdesc = pango_font_description_from_string("Sans 14 Bold");
pango_layout_set_font_description(layout, fontdesc);
pango_cairo_update_layout(cr, layout);
pango_layout_get_size(layout, &width, &height);
cairo_move_to(cr, 0.5-width/PANGO_SCALE, 10.0);
cairo_set_source_rgb(cr, 0.0, 0.0, 0.0);
pango_cairo_show_layout(cr, layout);
}
void scaling_report(const char *filename, const struct image *images, int n,
const char *stream_filename)
{
cairo_surface_t *surface;
cairo_t *cr;
const double w = 842.0;
const double h = 595.0;
surface = cairo_pdf_surface_create(filename, w, h);
if ( cairo_surface_status(surface) != CAIRO_STATUS_SUCCESS ) {
fprintf(stderr, "Couldn't create Cairo surface\n");
cairo_surface_destroy(surface);
return;
}
cr = cairo_create(surface);
write_title(cr, stream_filename, w, h);
cairo_surface_finish(surface);
cairo_destroy(cr);
}
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