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Add box selection to the move mode of the vector clip tool 

Closes #1404.
This commit is contained in:
Thomas Goyne 2013-09-18 15:52:48 -07:00
parent c62ebf7e8b
commit 6a6c983f19
2 changed files with 54 additions and 5 deletions
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57
aegisub/src/visual_tool_vector_clip.cpp
View File

@ -32,6 +32,8 @@
#include <libaegisub/util.h>
#include <algorithm>
#include <boost/range/algorithm/copy.hpp>
#include <boost/range/algorithm/set_algorithm.hpp>
#include <wx/toolbar.h>
/// Button IDs
@ -50,7 +52,7 @@ enum {
VisualToolVectorClip::VisualToolVectorClip(VideoDisplay *parent, agi::Context *context)
: VisualTool<VisualToolVectorClipDraggableFeature>(parent, context)
, spline(*this)
, toolBar(0)
, toolBar(nullptr)
, mode(0)
, inverse(false)
{
@ -105,8 +107,19 @@ void VisualToolVectorClip::Draw() {
gl.SetLineColour(colour[3], 1.f, 2);
gl.SetFillColour(wxColour(0, 0, 0), 0.5f);
// draw the shade over clipped out areas and line showing the clip
gl.DrawMultiPolygon(points, start, count, video_pos, video_res, !inverse);
if (mode == 0 && holding && drag_start && mouse_pos) {
// Draw drag-select box
Vector2D top_left = drag_start.Min(mouse_pos);
Vector2D bottom_right = drag_start.Max(mouse_pos);
gl.DrawDashedLine(top_left, Vector2D(top_left.X(), bottom_right.Y()), 6);
gl.DrawDashedLine(Vector2D(top_left.X(), bottom_right.Y()), bottom_right, 6);
gl.DrawDashedLine(bottom_right, Vector2D(bottom_right.X(), top_left.Y()), 6);
gl.DrawDashedLine(Vector2D(bottom_right.X(), top_left.Y()), top_left, 6);
}
Vector2D pt;
float t;
Spline::iterator highlighted_curve;
@ -246,6 +259,12 @@ bool VisualToolVectorClip::InitializeDrag(Feature *feature) {
}
bool VisualToolVectorClip::InitializeHold() {
// Box selection
if (mode == 0) {
box_added.clear();
return true;
}
// Insert line/bicubic
if (mode == 1 || mode == 2) {
SplineCurve curve;
@ -326,17 +345,45 @@ bool VisualToolVectorClip::InitializeHold() {
return true;
}
/// @todo box selection?
if (mode == 0)
return false;
// Nothing to do for mode 5 (remove)
return false;
}
static bool in_box(Vector2D top_left, Vector2D bottom_right, Vector2D p) {
return p.X() >= top_left.X()
&& p.X() <= bottom_right.X()
&& p.Y() >= top_left.Y()
&& p.Y() <= bottom_right.Y();
}
void VisualToolVectorClip::UpdateHold() {
bool needs_save = true;
// Box selection
if (mode == 0) {
std::set<Feature *> boxed_features;
Vector2D p1 = drag_start.Min(mouse_pos);
Vector2D p2 = drag_start.Max(mouse_pos);
for (auto& feature : features) {
if (in_box(p1, p2, feature.pos))
boxed_features.insert(&feature);
}
// Keep track of which features were selected by the box selection so
// that only those are deselected if the user is holding ctrl
boost::set_difference(boxed_features, sel_features,
std::inserter(box_added, end(box_added)));
boost::copy(boxed_features, std::inserter(sel_features, end(sel_features)));
std::vector<Feature *> to_deselect;
boost::set_difference(box_added, boxed_features, std::back_inserter(to_deselect));
for (auto feature : to_deselect)
sel_features.erase(feature);
return;
}
if (mode == 1) {
spline.back().EndPoint() = mouse_pos;
features.back().pos = mouse_pos;

2
aegisub/src/visual_tool_vector_clip.h
View File

@ -46,6 +46,8 @@ class VisualToolVectorClip : public VisualTool<VisualToolVectorClipDraggableFeat
int mode; /// 0-7
bool inverse; /// is iclip?
std::set<Feature *> box_added;
/// @brief Set the mode
/// @param mode 0-7
void SetMode(int mode);