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| author | Felipe Corr??a da Silva Sanches <juca@members.fsf.org> | 2011-06-13 04:32:05 +0000 |
|---|---|---|
| committer | Felipe C. da S. Sanches <juca@members.fsf.org> | 2011-06-13 04:32:05 +0000 |
| commit | 222476b91dd4f70d8d1f5580435d381b81ce9773 (patch) | |
| tree | 2de1fe7fe4962b3b7b4d62debe22a51991e9d70a /src/measure-context.cpp | |
| parent | replace local CheckStructMember.cmake with cmake's (diff) | |
| download | inkscape-222476b91dd4f70d8d1f5580435d381b81ce9773.tar.gz inkscape-222476b91dd4f70d8d1f5580435d381b81ce9773.zip | |
display angle info in the measurement tool
(bzr r10288)
Diffstat (limited to 'src/measure-context.cpp')
| -rw-r--r-- | src/measure-context.cpp | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/src/measure-context.cpp b/src/measure-context.cpp index 6870786f2..5560be335 100644 --- a/src/measure-context.cpp +++ b/src/measure-context.cpp @@ -193,6 +193,10 @@ static gint sp_measure_context_root_handler(SPEventContext *event_context, GdkEv p.appendNew<Geom::LineSegment>(desktop->dt2doc(motion_dt)); lineseg.push_back(p); + double deltax = motion_dt[Geom::X] - start_point[Geom::X]; + double deltay = motion_dt[Geom::Y] - start_point[Geom::Y]; + double angle = atan2(deltay, deltax); + //TODO: calculate NPOINTS //800 seems to be a good value for 800x600 resolution #define NPOINTS 800 @@ -278,6 +282,9 @@ static gint sp_measure_context_root_handler(SPEventContext *event_context, GdkEv } + Inkscape::Preferences *prefs = Inkscape::Preferences::get(); + double fontsize = prefs->getInt("/tools/measure/fontsize"); + Geom::Point previous_point = intersections[0]; for (idx=1; idx < intersections.size(); idx++){ Geom::Point measure_text_pos = (previous_point + intersections[idx])/2; @@ -287,10 +294,6 @@ static gint sp_measure_context_root_handler(SPEventContext *event_context, GdkEv sprintf(measure_str, "%.2f", (intersections[idx] - previous_point).length()); SPCanvasItem *canvas_tooltip = sp_canvastext_new(sp_desktop_tempgroup(desktop), desktop, desktop->dt2doc(measure_text_pos), measure_str); - Inkscape::Preferences *prefs = Inkscape::Preferences::get(); - double fontsize = prefs->getInt("/tools/measure/fontsize"); - - //TODO: get font size option from toolbar sp_canvastext_set_fontsize (SP_CANVASTEXT(canvas_tooltip), fontsize); measure_tmp_items.push_back(desktop->add_temporary_canvasitem(canvas_tooltip, 0)); @@ -298,6 +301,14 @@ static gint sp_measure_context_root_handler(SPEventContext *event_context, GdkEv previous_point = intersections[idx]; } + char* angle_str = (char*) malloc(sizeof(char)*20); + sprintf(angle_str, "%.2f degrees", angle * 180/3.1415 ); + SPCanvasItem *canvas_tooltip = sp_canvastext_new(sp_desktop_tempgroup(desktop), desktop, motion_dt + desktop->w2d(Geom::Point(50,0)), angle_str); + sp_canvastext_set_fontsize (SP_CANVASTEXT(canvas_tooltip), fontsize); + + measure_tmp_items.push_back(desktop->add_temporary_canvasitem(canvas_tooltip, 0)); + free(angle_str); + gobble_motion_events(GDK_BUTTON1_MASK); } break; |