diff options
| -rw-r--r-- | src/dw-hdfsee.c | 125 |
1 files changed, 77 insertions, 48 deletions
diff --git a/src/dw-hdfsee.c b/src/dw-hdfsee.c index 676917f3..db977d0b 100644 --- a/src/dw-hdfsee.c +++ b/src/dw-hdfsee.c @@ -79,40 +79,88 @@ static gint displaywindow_closed(GtkWidget *window, DisplayWindow *dw) } -static double ring_radius(struct image *image, double d) +static double ring_radius(struct image *image, int p, double d) { double theta, r, r_px; theta = asin(image->lambda / (2.0*d)); - r = image->det->panels[0].clen * tan(2.0*theta); - r_px = r * image->det->panels[0].res; + r = image->det->panels[p].clen * tan(2.0*theta); + r_px = r * image->det->panels[p].res; return r_px; } +static void draw_panel_rectangle(cairo_t *cr, cairo_matrix_t *basic_m, + DisplayWindow *dw, int i) +{ + struct panel p = dw->image->det->panels[i]; + int w = gdk_pixbuf_get_width(dw->pixbufs[i]); + int h = gdk_pixbuf_get_height(dw->pixbufs[i]); + cairo_matrix_t m; + + /* Start with the basic coordinate system */ + cairo_set_matrix(cr, basic_m); + + /* Move to the right location */ + cairo_translate(cr, p.cnx/dw->binning, + p.cny/dw->binning); + + /* Twiddle directions according to matrix */ + cairo_matrix_init(&m, p.fsx, p.fsy, p.ssx, p.ssy, + 0.0, 0.0); + cairo_transform(cr, &m); + + gdk_cairo_set_source_pixbuf(cr, dw->pixbufs[i], + 0.0, 0.0); + cairo_rectangle(cr, 0.0, 0.0, w, h); +} + + static void show_ring(cairo_t *cr, DisplayWindow *dw, - double d, const char *label) + double d, const char *label, cairo_matrix_t *basic_m) { + struct detector *det; + int i; + if ( !dw->use_geom ) return; - cairo_text_extents_t size; - cairo_identity_matrix(cr); - cairo_translate(cr, -dw->min_x/dw->binning, dw->max_y/dw->binning); - cairo_arc(cr, 0.0, 0.0, ring_radius(dw->image, d)/dw->binning, - 0.0, 2.0*M_PI); - cairo_set_source_rgb(cr, 1.0, 0.0, 0.0); - cairo_set_line_width(cr, 3.0/dw->binning); - cairo_stroke(cr); - - cairo_rotate(cr, -M_PI/4.0); - cairo_translate(cr, 0.0, ring_radius(dw->image, d)/dw->binning-5.0); - cairo_set_font_size(cr, 17.0); - cairo_text_extents(cr, label, &size); - cairo_translate(cr, -size.width/2.0, 0.0); - - cairo_show_text(cr, label); - cairo_fill(cr); + det = dw->image->det; + + for ( i=0; i<det->n_panels; i++ ) { + + draw_panel_rectangle(cr, basic_m, dw, i); + cairo_clip(cr); + + cairo_text_extents_t size; + cairo_identity_matrix(cr); + cairo_translate(cr, -dw->min_x/dw->binning, + dw->max_y/dw->binning); + cairo_arc(cr, 0.0, 0.0, + ring_radius(dw->image, i, d)/dw->binning, + 0.0, 2.0*M_PI); + cairo_set_source_rgb(cr, 1.0, 0.0, 0.0); + cairo_set_line_width(cr, 3.0/dw->binning); + cairo_stroke(cr); + + cairo_reset_clip(cr); + + /* Any ideas for a better way of doing this? */ + if ( i == 0 ) { + + cairo_rotate(cr, -M_PI/4.0); + cairo_translate(cr, 0.0, + ring_radius(dw->image, i, d)/dw->binning-5.0); + cairo_set_font_size(cr, 17.0); + cairo_text_extents(cr, label, &size); + cairo_translate(cr, -size.width/2.0, 0.0); + + cairo_show_text(cr, label); + cairo_fill(cr); + + } + + } } @@ -145,26 +193,7 @@ static int draw_stuff(cairo_surface_t *surf, DisplayWindow *dw) for ( i=0; i<dw->image->det->n_panels; i++ ) { - struct panel p = dw->image->det->panels[i]; - int w = gdk_pixbuf_get_width(dw->pixbufs[i]); - int h = gdk_pixbuf_get_height(dw->pixbufs[i]); - cairo_matrix_t m; - - /* Start with the basic coordinate system */ - cairo_set_matrix(cr, &basic_m); - - /* Move to the right location */ - cairo_translate(cr, p.cnx/dw->binning, - p.cny/dw->binning); - - /* Twiddle directions according to matrix */ - cairo_matrix_init(&m, p.fsx, p.fsy, p.ssx, p.ssy, - 0.0, 0.0); - cairo_transform(cr, &m); - - gdk_cairo_set_source_pixbuf(cr, dw->pixbufs[i], - 0.0, 0.0); - cairo_rectangle(cr, 0.0, 0.0, w, h); + draw_panel_rectangle(cr, &basic_m, dw, i); cairo_fill(cr); } @@ -180,13 +209,13 @@ static int draw_stuff(cairo_surface_t *surf, DisplayWindow *dw) cairo_fill(cr); /* Draw resolution circles */ - show_ring(cr, dw, 10.0e-10, "10A"); - show_ring(cr, dw, 8.0e-10, "8A"); - show_ring(cr, dw, 5.0e-10, "5A"); - show_ring(cr, dw, 4.0e-10, "4A"); - show_ring(cr, dw, 3.0e-10, "3A"); - show_ring(cr, dw, 2.0e-10, "2A"); - show_ring(cr, dw, 1.0e-10, "1A"); + show_ring(cr, dw, 10.0e-10, "10A", &basic_m); + show_ring(cr, dw, 8.0e-10, "8A", &basic_m); + show_ring(cr, dw, 5.0e-10, "5A", &basic_m); + show_ring(cr, dw, 4.0e-10, "4A", &basic_m); + show_ring(cr, dw, 3.0e-10, "3A", &basic_m); + show_ring(cr, dw, 2.0e-10, "2A", &basic_m); + show_ring(cr, dw, 1.0e-10, "1A", &basic_m); } |