-/////////////////////////////////////////////////////////////////////////////
-// Name: misc.cpp
-// Purpose: Miscellaneous OGL support functions
-// Author: Julian Smart
-// Modified by:
-// Created: 12/07/98
-// RCS-ID: $Id$
-// Copyright: (c) Julian Smart
-// Licence: wxWindows licence
-/////////////////////////////////////////////////////////////////////////////
-
-#ifdef __GNUG__
-#pragma implementation "misc.h"
-#endif
-
-// For compilers that support precompilation, includes "wx.h".
-#include <wx/wxprec.h>
-
-#ifdef __BORLANDC__
-#pragma hdrstop
-#endif
-
-#ifndef WX_PRECOMP
-#include <wx/wx.h>
-#endif
-
-#include <wx/wxexpr.h>
-
-#include <wx/types.h>
-
-#if wxUSE_IOSTREAMH
-#include <iostream.h>
-#else
-#include <iostream>
-#endif
-#include <ctype.h>
-#include <math.h>
-#include <stdlib.h>
-
-#include "basic.h"
-#include "basicp.h"
-#include "misc.h"
-#include "constrnt.h"
-#include "composit.h"
-
-wxFont* g_oglNormalFont;
-wxPen* g_oglBlackPen;
-wxPen* g_oglWhiteBackgroundPen;
-wxPen* g_oglTransparentPen;
-wxBrush* g_oglWhiteBackgroundBrush;
-wxPen* g_oglBlackForegroundPen;
-wxCursor* g_oglBullseyeCursor = NULL;
-
-char* oglBuffer = NULL;
-
-wxList oglObjectCopyMapping(wxKEY_INTEGER);
-
-
-
-void wxOGLInitialize()
-{
- g_oglBullseyeCursor = new wxCursor(wxCURSOR_BULLSEYE);
-
- g_oglNormalFont = new wxFont(10, wxSWISS, wxNORMAL, wxNORMAL);
-
- g_oglBlackPen = new wxPen("BLACK", 1, wxSOLID);
-
- g_oglWhiteBackgroundPen = new wxPen("WHITE", 1, wxSOLID);
- g_oglTransparentPen = new wxPen("WHITE", 1, wxTRANSPARENT);
- g_oglWhiteBackgroundBrush = new wxBrush("WHITE", wxSOLID);
- g_oglBlackForegroundPen = new wxPen("BLACK", 1, wxSOLID);
-
- OGLInitializeConstraintTypes();
-
- // Initialize big buffer used when writing images
- oglBuffer = new char[3000];
-
-}
-
-void wxOGLCleanUp()
-{
- if (oglBuffer)
- {
- delete[] oglBuffer;
- oglBuffer = NULL;
- }
- oglBuffer = NULL;
- if (g_oglBullseyeCursor)
- {
- delete g_oglBullseyeCursor;
- g_oglBullseyeCursor = NULL;
- }
-
- if (g_oglNormalFont)
- {
- delete g_oglNormalFont;
- g_oglNormalFont = NULL;
- }
- if (g_oglBlackPen)
- {
- delete g_oglBlackPen;
- g_oglBlackPen = NULL;
- }
- if (g_oglWhiteBackgroundPen)
- {
- delete g_oglWhiteBackgroundPen;
- g_oglWhiteBackgroundPen = NULL;
- }
- if (g_oglTransparentPen)
- {
- delete g_oglTransparentPen;
- g_oglTransparentPen = NULL;
- }
- if (g_oglWhiteBackgroundBrush)
- {
- delete g_oglWhiteBackgroundBrush;
- g_oglWhiteBackgroundBrush = NULL;
- }
- if (g_oglBlackForegroundPen)
- {
- delete g_oglBlackForegroundPen;
- g_oglBlackForegroundPen = NULL;
- }
-
- OGLCleanUpConstraintTypes();
-}
-
-wxFont *oglMatchFont(int point_size)
-{
- wxFont *font = wxTheFontList->FindOrCreateFont(point_size, wxSWISS, wxNORMAL, wxNORMAL);
-#if 0
- switch (point_size)
- {
- case 4:
- font = swiss_font_4;
- break;
- case 6:
- font = swiss_font_6;
- break;
- case 8:
- font = swiss_font_8;
- break;
- case 12:
- font = swiss_font_12;
- break;
- case 14:
- font = swiss_font_14;
- break;
- case 18:
- font = swiss_font_18;
- break;
- case 24:
- font = swiss_font_24;
- break;
- default:
- case 10:
- font = swiss_font_10;
- break;
- }
-#endif
- return font;
-}
-
-int FontSizeDialog(wxFrame *parent, int old_size)
-{
- if (old_size <= 0)
- old_size = 10;
- char buf[40];
- sprintf(buf, "%d", old_size);
- wxString ans = wxGetTextFromUser("Enter point size", "Font size", buf, parent);
- if (ans == "")
- return 0;
-
- int new_size = atoi(ans);
- if ((new_size <= 0) || (new_size > 40))
- {
- wxMessageBox("Invalid point size!", "Error", wxOK);
- return 0;
- }
- return new_size;
-/*
- char *strings[8];
- strings[0] = "4";
- strings[1] = "6";
- strings[2] = "8";
- strings[3] = "10";
- strings[4] = "12";
- strings[5] = "14";
- strings[6] = "18";
- strings[7] = "24";
- char *ans = wxGetSingleChoice("Choose", "Choose a font size", 8, strings, parent);
- if (ans)
- {
- int size;
- sscanf(ans, "%d", &size);
- return oglMatchFont(size);
- }
- else return NULL;
-*/
-}
-
-// Centre a list of strings in the given box. xOffset and yOffset are the
-// the positions that these lines should be relative to, and this might be
-// the same as m_xpos, m_ypos, but might be zero if formatting from left-justifying.
-void oglCentreText(wxDC& dc, wxList *text_list,
- double m_xpos, double m_ypos, double width, double height,
- int formatMode)
-{
- int n = text_list->Number();
-
- if (!text_list || (n == 0))
- return;
-
- // First, get maximum dimensions of box enclosing text
-
- long char_height = 0;
- long max_width = 0;
- long current_width = 0;
-
- // Store text extents for speed
- double *widths = new double[n];
-
- wxNode *current = text_list->First();
- int i = 0;
- while (current)
- {
- wxShapeTextLine *line = (wxShapeTextLine *)current->Data();
- dc.GetTextExtent(line->GetText(), ¤t_width, &char_height);
- widths[i] = current_width;
-
- if (current_width > max_width)
- max_width = current_width;
- current = current->Next();
- i ++;
- }
-
- double max_height = n*char_height;
-
- double xoffset, yoffset, xOffset, yOffset;
-
- if (formatMode & FORMAT_CENTRE_VERT)
- {
- if (max_height < height)
- yoffset = (double)(m_ypos - (height/2.0) + (height - max_height)/2.0);
- else
- yoffset = (double)(m_ypos - (height/2.0));
- yOffset = m_ypos;
- }
- else
- {
- yoffset = 0.0;
- yOffset = 0.0;
- }
-
- if (formatMode & FORMAT_CENTRE_HORIZ)
- {
- xoffset = (double)(m_xpos - width/2.0);
- xOffset = m_xpos;
- }
- else
- {
- xoffset = 0.0;
- xOffset = 0.0;
- }
-
- current = text_list->First();
- i = 0;
-
- while (current)
- {
- wxShapeTextLine *line = (wxShapeTextLine *)current->Data();
-
- double x;
- if ((formatMode & FORMAT_CENTRE_HORIZ) && (widths[i] < width))
- x = (double)((width - widths[i])/2.0 + xoffset);
- else
- x = xoffset;
- double y = (double)(i*char_height + yoffset);
-
- line->SetX( x - xOffset ); line->SetY( y - yOffset );
- current = current->Next();
- i ++;
- }
-
- delete widths;
-}
-
-// Centre a list of strings in the given box
-void oglCentreTextNoClipping(wxDC& dc, wxList *text_list,
- double m_xpos, double m_ypos, double width, double height)
-{
- int n = text_list->Number();
-
- if (!text_list || (n == 0))
- return;
-
- // First, get maximum dimensions of box enclosing text
-
- long char_height = 0;
- long max_width = 0;
- long current_width = 0;
-
- // Store text extents for speed
- double *widths = new double[n];
-
- wxNode *current = text_list->First();
- int i = 0;
- while (current)
- {
- wxShapeTextLine *line = (wxShapeTextLine *)current->Data();
- dc.GetTextExtent(line->GetText(), ¤t_width, &char_height);
- widths[i] = current_width;
-
- if (current_width > max_width)
- max_width = current_width;
- current = current->Next();
- i ++;
- }
-
- double max_height = n*char_height;
-
- double yoffset = (double)(m_ypos - (height/2.0) + (height - max_height)/2.0);
-
- double xoffset = (double)(m_xpos - width/2.0);
-
- current = text_list->First();
- i = 0;
-
- while (current)
- {
- wxShapeTextLine *line = (wxShapeTextLine *)current->Data();
-
- double x = (double)((width - widths[i])/2.0 + xoffset);
- double y = (double)(i*char_height + yoffset);
-
- line->SetX( x - m_xpos ); line->SetY( y - m_ypos );
- current = current->Next();
- i ++;
- }
- delete widths;
-}
-
-void oglGetCentredTextExtent(wxDC& dc, wxList *text_list,
- double m_xpos, double m_ypos, double width, double height,
- double *actual_width, double *actual_height)
-{
- int n = text_list->Number();
-
- if (!text_list || (n == 0))
- {
- *actual_width = 0;
- *actual_height = 0;
- return;
- }
-
- // First, get maximum dimensions of box enclosing text
-
- long char_height = 0;
- long max_width = 0;
- long current_width = 0;
-
- wxNode *current = text_list->First();
- int i = 0;
- while (current)
- {
- wxShapeTextLine *line = (wxShapeTextLine *)current->Data();
- dc.GetTextExtent(line->GetText(), ¤t_width, &char_height);
-
- if (current_width > max_width)
- max_width = current_width;
- current = current->Next();
- i ++;
- }
-
- *actual_height = n*char_height;
- *actual_width = max_width;
-}
-
-// Format a string to a list of strings that fit in the given box.
-// Interpret %n and 10 or 13 as a new line.
-wxStringList *oglFormatText(wxDC& dc, const wxString& text, double width, double height, int formatMode)
-{
- // First, parse the string into a list of words
- wxStringList word_list;
-
- // Make new lines into NULL strings at this point
- int i = 0; int j = 0; int len = strlen(text);
- char word[200]; word[0] = 0;
- bool end_word = FALSE; bool new_line = FALSE;
- while (i < len)
- {
- switch (text[i])
- {
- case '%':
- {
- i ++;
- if (i == len)
- { word[j] = '%'; j ++; }
- else
- {
- if (text[i] == 'n')
- { new_line = TRUE; end_word = TRUE; i++; }
- else
- { word[j] = '%'; j ++; word[j] = text[i]; j ++; i ++; }
- }
- break;
- }
- case 10:
- {
- new_line = TRUE; end_word = TRUE; i++;
- break;
- }
- case 13:
- {
- new_line = TRUE; end_word = TRUE; i++;
- }
- case ' ':
- {
- end_word = TRUE;
- i ++;
- break;
- }
- default:
- {
- word[j] = text[i];
- j ++; i ++;
- break;
- }
- }
- if (i == len) end_word = TRUE;
- if (end_word)
- {
- word[j] = 0;
- j = 0;
- word_list.Add(word);
- end_word = FALSE;
- }
- if (new_line)
- {
- word_list.Append(NULL);
- new_line = FALSE;
- }
- }
- // Now, make a list of strings which can fit in the box
- wxStringList *string_list = new wxStringList;
-
- char buffer[400];
- buffer[0] = 0;
- wxNode *node = word_list.First();
- long x, y;
-
- while (node)
- {
- wxString oldBuffer(buffer);
-
- char *s = (char *)node->Data();
- if (!s)
- {
- // FORCE NEW LINE
- if (strlen(buffer) > 0)
- string_list->Add(buffer);
-
- buffer[0] = 0;
- }
- else
- {
- if (buffer[0] != 0)
- strcat(buffer, " ");
-
- strcat(buffer, s);
- dc.GetTextExtent(buffer, &x, &y);
-
- // Don't fit within the bounding box if we're fitting shape to contents
- if ((x > width) && !(formatMode & FORMAT_SIZE_TO_CONTENTS))
- {
- // Deal with first word being wider than box
- if (oldBuffer.Length() > 0)
- string_list->Add(oldBuffer);
-
- buffer[0] = 0;
- strcat(buffer, s);
- }
- }
-
- node = node->Next();
- }
- if (buffer[0] != 0)
- string_list->Add(buffer);
-
- return string_list;
-}
-
-void oglDrawFormattedText(wxDC& dc, wxList *text_list,
- double m_xpos, double m_ypos, double width, double height,
- int formatMode)
-{
- double xoffset, yoffset;
- if (formatMode & FORMAT_CENTRE_HORIZ)
- xoffset = m_xpos;
- else
- xoffset = (double)(m_xpos - (width / 2.0));
-
- if (formatMode & FORMAT_CENTRE_VERT)
- yoffset = m_ypos;
- else
- yoffset = (double)(m_ypos - (height / 2.0));
-
- dc.SetClippingRegion(
- (long)(m_xpos - width/2.0), (long)(m_ypos - height/2.0),
- (long)width, (long)height);
-
- wxNode *current = text_list->First();
- while (current)
- {
- wxShapeTextLine *line = (wxShapeTextLine *)current->Data();
-
- dc.DrawText(line->GetText(), WXROUND(xoffset + line->GetX()), WXROUND(yoffset + line->GetY()));
- current = current->Next();
- }
-
- dc.DestroyClippingRegion();
-}
-
-/*
- * Find centroid given list of points comprising polyline
- *
- */
-
-void oglFindPolylineCentroid(wxList *points, double *x, double *y)
-{
- double xcount = 0;
- double ycount = 0;
-
- wxNode *node = points->First();
- while (node)
- {
- wxRealPoint *point = (wxRealPoint *)node->Data();
- xcount += point->x;
- ycount += point->y;
- node = node->Next();
- }
-
- *x = (xcount/points->Number());
- *y = (ycount/points->Number());
-}
-
-/*
- * Check that (x1, y1) -> (x2, y2) hits (x3, y3) -> (x4, y4).
- * If so, ratio1 gives the proportion along the first line
- * that the intersection occurs (or something like that).
- * Used by functions below.
- *
- */
-void oglCheckLineIntersection(double x1, double y1, double x2, double y2,
- double x3, double y3, double x4, double y4,
- double *ratio1, double *ratio2)
-{
- double denominator_term = (y4 - y3)*(x2 - x1) - (y2 - y1)*(x4 - x3);
- double numerator_term = (x3 - x1)*(y4 - y3) + (x4 - x3)*(y1 - y3);
-
- double line_constant;
- double length_ratio = 1.0;
- double k_line = 1.0;
-
- // Check for parallel lines
- if ((denominator_term < 0.005) && (denominator_term > -0.005))
- line_constant = -1.0;
- else
- line_constant = numerator_term/denominator_term;
-
- // Check for intersection
- if ((line_constant < 1.0) && (line_constant > 0.0))
- {
- // Now must check that other line hits
- if (((y4 - y3) < 0.005) && ((y4 - y3) > -0.005))
- k_line = ((x1 - x3) + line_constant*(x2 - x1))/(x4 - x3);
- else
- k_line = ((y1 - y3) + line_constant*(y2 - y1))/(y4 - y3);
-
- if ((k_line >= 0.0) && (k_line < 1.0))
- length_ratio = line_constant;
- else
- k_line = 1.0;
- }
- *ratio1 = length_ratio;
- *ratio2 = k_line;
-}
-
-/*
- * Find where (x1, y1) -> (x2, y2) hits one of the lines in xvec, yvec.
- * (*x3, *y3) is the point where it hits.
- *
- */
-void oglFindEndForPolyline(double n, double xvec[], double yvec[],
- double x1, double y1, double x2, double y2, double *x3, double *y3)
-{
- int i;
- double lastx = xvec[0];
- double lasty = yvec[0];
-
- double min_ratio = 1.0;
- double line_ratio;
- double other_ratio;
-
- for (i = 1; i < n; i++)
- {
- oglCheckLineIntersection(x1, y1, x2, y2, lastx, lasty, xvec[i], yvec[i],
- &line_ratio, &other_ratio);
- lastx = xvec[i];
- lasty = yvec[i];
-
- if (line_ratio < min_ratio)
- min_ratio = line_ratio;
- }
-
- // Do last (implicit) line if last and first doubles are not identical
- if (!(xvec[0] == lastx && yvec[0] == lasty))
- {
- oglCheckLineIntersection(x1, y1, x2, y2, lastx, lasty, xvec[0], yvec[0],
- &line_ratio, &other_ratio);
-
- if (line_ratio < min_ratio)
- min_ratio = line_ratio;
- }
-
- *x3 = (x1 + (x2 - x1)*min_ratio);
- *y3 = (y1 + (y2 - y1)*min_ratio);
-
-}
-
-/*
- * Find where the line hits the box.
- *
- */
-
-void oglFindEndForBox(double width, double height,
- double x1, double y1, // Centre of box (possibly)
- double x2, double y2, // other end of line
- double *x3, double *y3) // End on box edge
-{
- double xvec[5];
- double yvec[5];
-
- xvec[0] = (double)(x1 - width/2.0);
- yvec[0] = (double)(y1 - height/2.0);
- xvec[1] = (double)(x1 - width/2.0);
- yvec[1] = (double)(y1 + height/2.0);
- xvec[2] = (double)(x1 + width/2.0);
- yvec[2] = (double)(y1 + height/2.0);
- xvec[3] = (double)(x1 + width/2.0);
- yvec[3] = (double)(y1 - height/2.0);
- xvec[4] = (double)(x1 - width/2.0);
- yvec[4] = (double)(y1 - height/2.0);
-
- oglFindEndForPolyline(5, xvec, yvec, x2, y2, x1, y1, x3, y3);
-}
-
-/*
- * Find where the line hits the circle.
- *
- */
-
-void oglFindEndForCircle(double radius,
- double x1, double y1, // Centre of circle
- double x2, double y2, // Other end of line
- double *x3, double *y3)
-{
- double H = (double)sqrt((x2 - x1)*(x2 - x1) + (y2 - y1)*(y2 - y1));
-
- if (H == 0.0)
- {
- *x3 = x1;
- *y3 = y1;
- }
- else
- {
- *y3 = radius * (y2 - y1)/H + y1;
- *x3 = radius * (x2 - x1)/H + x1;
- }
-}
-
-/*
- * Given the line (x1, y1) -> (x2, y2), and an arrow size of given length and width,
- * return the position of the tip of the arrow and the left and right vertices of the arrow.
- *
- */
-
-void oglGetArrowPoints(double x1, double y1, double x2, double y2,
- double length, double width,
- double *tip_x, double *tip_y,
- double *side1_x, double *side1_y,
- double *side2_x, double *side2_y)
-{
- double l = (double)sqrt((x2 - x1)*(x2 - x1) + (y2 - y1)*(y2 - y1));
-
- if (l < 0.01)
- l = (double) 0.01;
-
- double i_bar = (x2 - x1)/l;
- double j_bar = (y2 - y1)/l;
-
- double x3 = (- length*i_bar) + x2;
- double y3 = (- length*j_bar) + y2;
-
- *side1_x = width*(-j_bar) + x3;
- *side1_y = width*i_bar + y3;
-
- *side2_x = -width*(-j_bar) + x3;
- *side2_y = -width*i_bar + y3;
-
- *tip_x = x2; *tip_y = y2;
-}
-
-/*
- * Given an ellipse and endpoints of a line, returns the point at which
- * the line touches the ellipse in values x4, y4.
- * This function assumes that the centre of the ellipse is at x1, y1, and the
- * ellipse has a width of width1 and a height of height1. It also assumes you are
- * wanting to draw an arc FROM point x2, y2 TOWARDS point x3, y3.
- * This function calculates the x,y coordinates of the intersection point of
- * the arc with the ellipse.
- * Author: Ian Harrison
- */
-
-void oglDrawArcToEllipse(double x1, double y1, double width1, double height1, double x2, double y2, double x3, double y3,
- double *x4, double *y4)
-{
- double a1 = (double)(width1/2.0);
- double b1 = (double)(height1/2.0);
-
- // These are required to give top left x and y coordinates for DrawEllipse
-// double top_left_x1 = (double)(x1 - a1);
-// double top_left_y1 = (double)(y1 - b1);
-/*
- // Check for vertical line
- if (fabs(x2 - x3) < 0.05)
- {
- *x4 = x3;
- if (y2 < y3)
- *y4 = (double)(y1 - b1);
- else
- *y4 = (double)(y1 + b1);
- return;
- }
-*/
- // Check that x2 != x3
- if (fabs(x2 - x3) < 0.05)
- {
- *x4 = x2;
- if (y3 > y2)
- *y4 = (double)(y1 - sqrt((b1*b1 - (((x2-x1)*(x2-x1))*(b1*b1)/(a1*a1)))));
- else
- *y4 = (double)(y1 + sqrt((b1*b1 - (((x2-x1)*(x2-x1))*(b1*b1)/(a1*a1)))));
- return;
- }
-
- // Calculate the x and y coordinates of the point where arc intersects ellipse
-
- double A, B, C, D, E, F, G, H, K;
- double ellipse1_x, ellipse1_y;
-
- A = (double)(1/(a1 * a1));
- B = (double)((y3 - y2) * (y3 - y2)) / ((x3 - x2) * (x3 - x2) * b1 * b1);
- C = (double)(2 * (y3 - y2) * (y2 - y1)) / ((x3 - x2) * b1 * b1);
- D = (double)((y2 - y1) * (y2 - y1)) / (b1 * b1);
- E = (double)(A + B);
- F = (double)(C - (2 * A * x1) - (2 * B * x2));
- G = (double)((A * x1 * x1) + (B * x2 * x2) - (C * x2) + D - 1);
- H = (double)((y3 - y2) / (x3 - x2));
- K = (double)((F * F) - (4 * E * G));
-
- if (K >= 0)
- // In this case the line intersects the ellipse, so calculate intersection
- {
- if(x2 >= x1)
- {
- ellipse1_x = (double)(((F * -1) + sqrt(K)) / (2 * E));
- ellipse1_y = (double)((H * (ellipse1_x - x2)) + y2);
- }
- else
- {
- ellipse1_x = (double)(((F * -1) - sqrt(K)) / (2 * E));
- ellipse1_y = (double)((H * (ellipse1_x - x2)) + y2);
- }
- }
- else
- // in this case, arc does not intersect ellipse, so just draw arc
- {
- ellipse1_x = x3;
- ellipse1_y = y3;
- }
- *x4 = ellipse1_x;
- *y4 = ellipse1_y;
-
-/*
- // Draw a little circle (radius = 2) at the end of the arc where it hits
- // the ellipse .
-
- double circle_x = ellipse1_x - 2.0;
- double circle_y = ellipse1_y - 2.0;
- m_canvas->DrawEllipse(circle_x, circle_y, 4.0, 4.0);
-*/
-}
-
-// Update a list item from a list of strings
-void UpdateListBox(wxListBox *item, wxList *list)
-{
- item->Clear();
- if (!list)
- return;
-
- wxNode *node = list->First();
- while (node)
- {
- char *s = (char *)node->Data();
- item->Append(s);
- node = node->Next();
- }
-}
-
-bool oglRoughlyEqual(double val1, double val2, double tol)
-{
- return ( (val1 < (val2 + tol)) && (val1 > (val2 - tol)) &&
- (val2 < (val1 + tol)) && (val2 > (val1 - tol)));
-}
-
-/*
- * Hex<->Dec conversion
- */
-
-// Array used in DecToHex conversion routine.
-static char sg_HexArray[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B',
- 'C', 'D', 'E', 'F' };
-
-// Convert 2-digit hex number to decimal
-unsigned int oglHexToDec(char* buf)
-{
- int firstDigit, secondDigit;
-
- if (buf[0] >= 'A')
- firstDigit = buf[0] - 'A' + 10;
- else
- firstDigit = buf[0] - '0';
-
- if (buf[1] >= 'A')
- secondDigit = buf[1] - 'A' + 10;
- else
- secondDigit = buf[1] - '0';
-
- return firstDigit * 16 + secondDigit;
-}
-
-// Convert decimal integer to 2-character hex string
-void oglDecToHex(unsigned int dec, char *buf)
-{
- int firstDigit = (int)(dec/16.0);
- int secondDigit = (int)(dec - (firstDigit*16.0));
- buf[0] = sg_HexArray[firstDigit];
- buf[1] = sg_HexArray[secondDigit];
- buf[2] = 0;
-}
-
-// 3-digit hex to wxColour
-wxColour oglHexToColour(const wxString& hex)
-{
- if (hex.Length() == 6)
- {
- char buf[7];
- strncpy(buf, hex, 7);
- unsigned int r = oglHexToDec((char *)buf);
- unsigned int g = oglHexToDec((char *)(buf+2));
- unsigned int b = oglHexToDec((char *)(buf+4));
- return wxColour(r, g, b);
- }
- else
- return wxColour(0,0,0);
-}
-
-// RGB to 3-digit hex
-wxString oglColourToHex(const wxColour& colour)
-{
- char buf[7];
- unsigned int red = colour.Red();
- unsigned int green = colour.Green();
- unsigned int blue = colour.Blue();
-
- oglDecToHex(red, buf);
- oglDecToHex(green, buf+2);
- oglDecToHex(blue, buf+4);
-
- return wxString(buf);
-}
-
-
projects / wxWidgets.git / blobdiff