Added rectangle point selection, canvas zooming.

[ttedit] / src / graphicprimitives.cpp

diff --git a/src/graphicprimitives.cpp b/src/graphicprimitives.cpp
deleted file mode 100755 (executable)
index 9dec215..0000000
--- a/src/graphicprimitives.cpp
+++ /dev/null
@@ -1,123 +0,0 @@
-//
-// Graphics primitives
-//
-// Various graphic functions that are slightly more complex than those that
-// come with various widget libraries.
-//
-// by James L. Hammons
-// (C) 2005 Underground Software
-//
-// JLH = James L. Hammons <jlhamm@acm.org>
-//
-// Who  When        What
-// ---  ----------  -------------------------------------------------------------
-// JLH  03/14/1998  Created this file
-// JLH  01/20/2005  Converted to use wxWidgets
-// JLH  08/30/2008  Repurposed file to handle more than just bezier curves
-//
-
-#include "graphicprimitives.h"
-
-double abs(double n)                                                   // Helper function
-{
-       return (n < 0 ? -n : n);
-}
-
-
-//
-// This function takes three points and draws a curve using a second order
-// Bezier function.
-//
-void Bezier(QPainter &p, point p1, point p2, point p3)
-{
-       double step = abs(p1.x - p3.x), tmp = abs(p1.y - p3.y);
-       step = (tmp > step ? tmp : step);                       // Get the larger of the two...
-       step = (step > 0 ? 1/step : 1);                         // & convert to valid step value
-       step *= 2.0;                                                            // (double it to draw less...)
-
-       int prevX = (int)p1.x, prevY = (int)p1.y;
-
-       for(double u=0; u<=1; u+=step)
-       {
-               double _2u = 2*u, _uu = u*u, _2uu = 2*_uu;
-               double x = (p1.x * (1 - _2u + _uu)) + (p2.x * (_2u - _2uu)) + (p3.x * _uu);
-               double y = (p1.y * (1 - _2u + _uu)) + (p2.y * (_2u - _2uu)) + (p3.y * _uu);
-
-               p.drawLine(prevX, prevY, (int)x, (int)y);
-               prevX = (int)x, prevY = (int)y;
-       }
-
-       p.drawLine(prevX, prevY, (int)p3.x, (int)p3.y);
-}
-
-
-//
-// This is a convenience funtion, using IPoints :-)
-//
-void Bezier(QPainter &p, IPoint p1, IPoint p2, IPoint p3)
-{
-       Bezier(p, point(p1.x, p1.y), point(p2.x, p2.y), point(p3.x, p3.y));
-}
-
-
-//
-// Draw a round dot (5x5, centered on [x, y])
-//
-void DrawRoundDot(QPainter &p, int32_t x, int32_t y)
-{
-       QPoint pt[8];
-
-       pt[0] = QPoint(x - 1, y - 2);
-       pt[1] = QPoint(x + 1, y - 2);
-       pt[2] = QPoint(x + 2, y - 1);
-       pt[3] = QPoint(x + 2, y + 1);
-       pt[4] = QPoint(x + 1, y + 2);
-       pt[5] = QPoint(x - 1, y + 2);
-       pt[6] = QPoint(x - 2, y + 1);
-       pt[7] = QPoint(x - 2, y - 1);
-
-       p.drawPolygon(pt, 8);
-}
-
-
-//
-// Draw a sqaure dot (5x5, centered on [x, y])
-//
-void DrawSquareDot(QPainter &p, int32_t x, int32_t y)
-{
-       QPoint pt[4];
-
-       pt[0] = QPoint(x - 2, y - 2);
-       pt[1] = QPoint(x + 2, y - 2);
-       pt[2] = QPoint(x + 2, y + 2);
-       pt[3] = QPoint(x - 2, y + 2);
-
-       p.drawPolygon(pt, 4);
-}
-
-
-//
-// Draw a sqaure dot (nxn, centered on [x, y])
-//
-void DrawSquareDotN(QPainter &p, int32_t x, int32_t y, uint32_t n)
-{
-       QPoint pt[4];
-       uint32_t offset = (n - 1) / 2;
-
-       pt[0] = QPoint(x - offset, y - offset);
-       pt[1] = QPoint(x + offset, y - offset);
-       pt[2] = QPoint(x + offset, y + offset);
-       pt[3] = QPoint(x - offset, y + offset);
-
-       p.drawPolygon(pt, 4);
-}
-
-
-//
-// Draw a round dot (nxn, centered on [x, y])
-//
-void DrawRoundDotN(QPainter &p, int32_t x, int32_t y, uint32_t n)
-{
-       int radius = (n / 2) + 1;
-       p.drawEllipse(x - radius, y - radius, n, n);
-}