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Viewing changes to src/gnm-so-line.c

  • Committer: Bazaar Package Importer
  • Author(s): Gauvain Pocentek
  • Date: 2006-11-14 14:02:03 UTC
  • mfrom: (1.1.5 upstream)
  • Revision ID: james.westby@ubuntu.com-20061114140203-iv3j2aii3vch6isl
Tags: 1.7.2-1ubuntu1
* Merge with debian experimental:
  - debian/control, debian/*-gtk-*, debian/rules,
    debian/shlibs.local: Xubuntu changes for
    gtk/gnome multibuild.
  - run intltool-update in po*
  - Build Depend on intltool

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Lines of Context:
src/gnm-so-line.c
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#include <goffice/graph/gog-style.h>
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#include <goffice/utils/go-color.h>
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#include <gsf/gsf-impl-utils.h>
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#include <glib/gi18n.h>
 
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#include <glib/gi18n-lib.h>
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#include <string.h>
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#define GNM_SO_LINE(o)          (G_TYPE_CHECK_INSTANCE_CAST((o), GNM_SO_LINE_TYPE, GnmSOLine))
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        if (style->color == 0 || style->width < 0 || style->pattern == 0)
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                return;
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        switch (so->anchor.direction) {
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        case SO_DIR_UP_RIGHT:
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        case SO_DIR_DOWN_RIGHT:
 
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        switch (so->anchor.base.direction) {
 
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        case GOD_ANCHOR_DIR_UP_RIGHT:
 
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        case GOD_ANCHOR_DIR_DOWN_RIGHT:
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                x1 = 0.;
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                x2 = width;
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                break;
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        case SO_DIR_UP_LEFT:
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        case SO_DIR_DOWN_LEFT:
 
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        case GOD_ANCHOR_DIR_UP_LEFT:
 
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        case GOD_ANCHOR_DIR_DOWN_LEFT:
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                x1 = width;
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                x2 = 0.;
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                break;
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                return;
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        }
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        switch (so->anchor.direction) {
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        case SO_DIR_UP_LEFT:
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        case SO_DIR_UP_RIGHT:
 
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        switch (so->anchor.base.direction) {
 
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        case GOD_ANCHOR_DIR_UP_LEFT:
 
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        case GOD_ANCHOR_DIR_UP_RIGHT:
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                y1 = -height;
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                y2 = 0.;
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                break;
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        case SO_DIR_DOWN_LEFT:
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        case SO_DIR_DOWN_RIGHT:
 
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        case GOD_ANCHOR_DIR_DOWN_LEFT:
 
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        case GOD_ANCHOR_DIR_DOWN_RIGHT:
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                y1 = 0.;
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                y2 = -height;
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                break;
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        }
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        gnome_print_setrgbcolor (ctx,
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                style->color / (double) 0xffff,
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                style->color / (double) 0xffff,
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                style->color / (double) 0xffff);
 
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                DOUBLE_RGBA_R (style->color),
 
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                DOUBLE_RGBA_G (style->color),
 
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                DOUBLE_RGBA_B (style->color));
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        if (sol->end_arrow.c > 0.) {
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                double phi;
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#endif /* WITH_GTK */
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static void
 
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gnm_so_line_draw_cairo (SheetObject const *so, gpointer data,
 
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        double width, double height)
 
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{
 
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#ifdef GOFFICE_WITH_CAIRO
 
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        GnmSOLine *sol = GNM_SO_LINE (so);
 
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        cairo_t *cairo = (cairo_t*) data;
 
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        GogStyleLine const *style = &sol->style->line;
 
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        double x1, y1, x2, y2;
 
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        if (style->color == 0 || style->width < 0 || style->pattern == 0)
 
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                return;
 
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        switch (so->anchor.base.direction) {
 
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        case GOD_ANCHOR_DIR_UP_RIGHT:
 
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        case GOD_ANCHOR_DIR_DOWN_RIGHT:
 
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                x1 = 0.;
 
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                x2 = width;
 
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                break;
 
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        case GOD_ANCHOR_DIR_UP_LEFT:
 
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        case GOD_ANCHOR_DIR_DOWN_LEFT:
 
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                x1 = width;
 
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                x2 = 0.;
 
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                break;
 
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        default:
 
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                g_warning ("Cannot guess direction!");
 
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                return;
 
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        }
 
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        switch (so->anchor.base.direction) {
 
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        case GOD_ANCHOR_DIR_UP_LEFT:
 
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        case GOD_ANCHOR_DIR_UP_RIGHT:
 
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                y1 = height;
 
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                y2 = 0.;
 
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                break;
 
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        case GOD_ANCHOR_DIR_DOWN_LEFT:
 
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        case GOD_ANCHOR_DIR_DOWN_RIGHT:
 
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                y1 = 0.;
 
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                y2 = height;
 
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                break;
 
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        default:
 
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                g_warning ("Cannot guess direction!");
 
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                return;
 
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        }
 
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        cairo_set_line_width (cairo, (style->width)? style->width: 1.);
 
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        cairo_set_source_rgba (cairo,
 
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                UINT_RGBA_R(style->color),
 
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                UINT_RGBA_B(style->color),
 
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                UINT_RGBA_G(style->color),
 
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                UINT_RGBA_A(style->color));
 
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        if (sol->end_arrow.c > 0.) {
 
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                double phi;
 
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                phi = atan2 (y2 - y1, x2 - x1) - M_PI_2;
 
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                cairo_save (cairo);
 
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                cairo_translate (cairo, x2, y2);
 
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                cairo_rotate (cairo, phi);
 
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                cairo_set_line_width (cairo, 1.0);
 
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                cairo_new_path (cairo);
 
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                cairo_move_to (cairo, 0.0, 0.0);
 
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                cairo_line_to (cairo, -sol->end_arrow.c, -sol->end_arrow.b);
 
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                cairo_line_to (cairo, 0.0, -sol->end_arrow.a);
 
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                cairo_line_to (cairo, sol->end_arrow.c, -sol->end_arrow.b);
 
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                cairo_close_path (cairo);
 
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                cairo_fill (cairo);
 
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                cairo_restore (cairo);
 
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                /* Make the line shorter so that the arrow won't be
 
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                 * on top of a (perhaps quite fat) line.  */
 
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                x2 += sol->end_arrow.a * sin (phi);
 
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                y2 -= sol->end_arrow.a * cos (phi);
 
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        }
 
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        cairo_set_line_width (cairo, style->width);
 
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        cairo_new_path (cairo);
 
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        cairo_move_to (cairo, x1, y1);
 
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        cairo_line_to (cairo, x2, y2);
 
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        cairo_stroke (cairo);
 
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#endif
 
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}
 
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static gboolean
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gnm_so_line_read_xml_dom (SheetObject *so, char const *typename,
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                          XmlParseContext const *ctxt,
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        so_class->xml_export_name       = "SheetObjectGraphic";
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#ifdef WITH_GTK
 
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        so_class->draw_cairo    = gnm_so_line_draw_cairo;
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        so_class->user_config           = gnm_so_line_user_config;
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        so_class->new_view              = gnm_so_line_new_view;
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        so_class->print                 = gnm_so_line_print;
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        go_arrow_init (&sol->start_arrow, 0., 0., 0.);
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        go_arrow_init (&sol->end_arrow,   0., 0., 0.);
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        SHEET_OBJECT (obj)->anchor.direction = SO_DIR_NONE_MASK;
 
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        SHEET_OBJECT (obj)->anchor.base.direction = GOD_ANCHOR_DIR_NONE_MASK;
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}
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GSF_CLASS (GnmSOLine, gnm_so_line,