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// Scintilla source code edit control
/** @file Indicator.cxx
** Defines the style of indicators which are text decorations such as underlining.
**/
// Copyright 1998-2001 by Neil Hodgson <neilh@scintilla.org>
// The License.txt file describes the conditions under which this software may be distributed.
#include "Platform.h"
#include "Scintilla.h"
#include "Indicator.h"
#ifdef SCI_NAMESPACE
using namespace Scintilla;
#endif
void Indicator::Draw(Surface *surface, const PRectangle &rc, const PRectangle &rcLine) {
surface->PenColour(fore.allocated);
int ymid = (rc.bottom + rc.top) / 2;
if (style == INDIC_SQUIGGLE) {
surface->MoveTo(rc.left, rc.top);
int x = rc.left + 2;
int y = 2;
while (x < rc.right) {
surface->LineTo(x, rc.top + y);
x += 2;
y = 2 - y;
}
surface->LineTo(rc.right, rc.top + y); // Finish the line
} else if (style == INDIC_TT) {
surface->MoveTo(rc.left, ymid);
int x = rc.left + 5;
while (x < rc.right) {
surface->LineTo(x, ymid);
surface->MoveTo(x-3, ymid);
surface->LineTo(x-3, ymid+2);
x++;
surface->MoveTo(x, ymid);
x += 5;
}
surface->LineTo(rc.right, ymid); // Finish the line
if (x - 3 <= rc.right) {
surface->MoveTo(x-3, ymid);
surface->LineTo(x-3, ymid+2);
}
} else if (style == INDIC_DIAGONAL) {
int x = rc.left;
while (x < rc.right) {
surface->MoveTo(x, rc.top+2);
int endX = x+3;
int endY = rc.top - 1;
if (endX > rc.right) {
endY += endX - rc.right;
endX = rc.right;
}
surface->LineTo(endX, endY);
x += 4;
}
} else if (style == INDIC_STRIKE) {
surface->MoveTo(rc.left, rc.top - 4);
surface->LineTo(rc.right, rc.top - 4);
} else if (style == INDIC_HIDDEN) {
// Draw nothing
} else if (style == INDIC_BOX) {
surface->MoveTo(rc.left, ymid+1);
surface->LineTo(rc.right, ymid+1);
surface->LineTo(rc.right, rcLine.top+1);
surface->LineTo(rc.left, rcLine.top+1);
surface->LineTo(rc.left, ymid+1);
} else if (style == INDIC_ROUNDBOX) {
PRectangle rcBox = rcLine;
rcBox.top = rcLine.top + 1;
rcBox.left = rc.left;
rcBox.right = rc.right;
surface->AlphaRectangle(rcBox, 1, fore.allocated, fillAlpha, fore.allocated, 50, 0);
} else { // Either INDIC_PLAIN or unknown
surface->MoveTo(rc.left, ymid);
surface->LineTo(rc.right, ymid);
}
}
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