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Curve editor modified to better handle subpixel positionning of the points, and better handle pen devices. Modifier keys are still valid.

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This commit is contained in:
Hombre
2010-08-18 01:17:57 +02:00
parent 156bccb257
commit 964f623de5
2 changed files with 349 additions and 287 deletions
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40
rtgui/mycurve.h
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@@ -55,29 +55,45 @@ struct MyCurveIdleHelper {
class MyCurve : public Gtk::DrawingArea {
friend int mchistupdate (void* data);
friend int mchistupdate (void* data);
protected:
CurveListener* listener;
CurveDescr curve;
CursorShape cursor_type;
Glib::RefPtr<Gdk::Pixmap> pixmap;
int height;
int grab_point;
int lit_point;
int last;
int innerWidth; // inner width of the editor, allocated by the system
int innerHeight; // inner height of the editor, allocated by the system
int prevInnerHeight;// previous inner height of the editor
int grab_point; // the point that the user is moving
int closest_point; // the point that is the closest from the cursor
int lit_point; // the point that is lit when the cursor is near it
//int last;
Gdk::ModifierType mod_type;
int cursorX; // X coordinate in the graph of the cursor
int cursorY; // Y coordinate in the graph of the cursor
double clampedX; // clamped grabbed point X coordinates in the [0;1] range
double clampedY; // clamped grabbed point Y coordinates in the [0;1] range
double deltaX; // signed X distance of the cursor between two consecutive MOTION_NOTIFY
double deltaY; // signed Y distance of the cursor between two consecutive MOTION_NOTIFY
double distanceX; // X distance from the cursor to the closest point
double distanceY; // Y distance from the cursor to the closest point
double ugpX; // unclamped grabbed point X coordinate in the graph
double ugpY; // unclamped grabbed point Y coordinate in the graph
GdkInputSource source;
std::vector<Gdk::Point> point;
std::vector<Gdk::Point> upoint;
std::vector<Gdk::Point> lpoint;
int activeParam;
unsigned int bghist[256];
unsigned int bghist[256]; // histogram values
bool bghistvalid;
bool buttonPressed;
MyCurveIdleHelper* mcih;
int cursor_x, cursor_y;
double ugp_x, ugp_y; // unclamped grabbed point coordinates
void draw (int width, int height, int handle);
void interpolate (int width, int height);
void draw (int handle);
void interpolate ();
void getCursorPosition(GdkEvent* event);
void findClosestPoint();
std::vector<double> get_vector (int veclen);
public: