mirror of https://github.com/fltk/fltk
96 lines
3.7 KiB
C++
96 lines
3.7 KiB
C++
//
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// "$Id$"
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//
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// Unit tests for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 1998-2010 by Bill Spitzak and others.
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//
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// This library is free software. Distribution and use rights are outlined in
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// the file "COPYING" which should have been included with this file. If this
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// file is missing or damaged, see the license at:
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//
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// http://www.fltk.org/COPYING.php
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//
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// Please report all bugs and problems on the following page:
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//
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// http://www.fltk.org/str.php
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//
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#include <FL/Fl_Box.H>
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#include <FL/fl_draw.H>
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//
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// Test symbol rendering
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//
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class SymbolTest : public Fl_Widget
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{
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void DrawTextAndBoxes(const char *txt, int X, int Y) {
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int wo = 0, ho = 0;
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fl_measure(txt, wo, ho, 1);
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// Draw fl_measure() rect
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fl_color(FL_RED);
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fl_rect(X, Y, wo, ho);
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// //////////////////////////////////////////////////////////////////////
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// NOTE: fl_text_extents() currently does not support multiline strings..
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// until it does, let's leave this out, as we do multiline tests..
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// //////////////////////////////////////////////////////////////////////
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// // draw fl_text_extents() glyph bounding box
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// int dx,dy;
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// fl_text_extents(txt, dx, dy, wo, ho);
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// fl_color(FL_GREEN);
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// fl_rect(X+dx, Y+dy, wo, ho);
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//
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// Draw text with symbols enabled
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fl_color(FL_BLACK);
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fl_draw(txt, X, Y, 10, 10, FL_ALIGN_INSIDE|FL_ALIGN_TOP|FL_ALIGN_LEFT, 0, 1);
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}
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public:
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static Fl_Widget *create() {
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return new SymbolTest(TESTAREA_X, TESTAREA_Y, TESTAREA_W, TESTAREA_H);
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}
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SymbolTest(int x, int y, int w, int h) : Fl_Widget(x, y, w, h) {}
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void draw(void) {
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int x0 = x(); // origin is current window position for Fl_Box
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int y0 = y();
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int w0 = w();
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int h0 = h();
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fl_push_clip(x0, y0, w0, h0); // reset local clipping
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{
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// set the background colour - slightly off-white to enhance the green bounding box
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fl_color(fl_gray_ramp(FL_NUM_GRAY - 3));
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fl_rectf(x0, y0, w0, h0);
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int fsize = 25;
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fl_font(FL_HELVETICA, fsize);
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int xx = x0+10;
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int yy = y0+10;
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DrawTextAndBoxes("Text" ,xx,yy); yy += fsize+10; // check no symbols
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DrawTextAndBoxes("@->" ,xx,yy); yy += fsize+10; // check symbol alone
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DrawTextAndBoxes("@-> " ,xx,yy); yy += fsize+10; // check symbol with trailing space
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DrawTextAndBoxes("@-> Rt Arrow" ,xx,yy); yy += fsize+10; // check symbol at left edge
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DrawTextAndBoxes("Lt Arrow @<-" ,xx,yy); yy += fsize+10; // check symbol at right edge
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DrawTextAndBoxes("@-> Rt/Lt @<-" ,xx,yy); yy += fsize+10; // check symbol at lt+rt edges
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DrawTextAndBoxes("@@ At/Lt @<-" ,xx,yy); yy += fsize+10; // check @@ at left, symbol at right
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DrawTextAndBoxes("@-> Lt/At @@" ,xx,yy); yy += fsize+10; // check symbol at left, @@ at right
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DrawTextAndBoxes("@@ At/At @@" ,xx,yy); yy += fsize+10; // check @@ at left+right
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xx = x0+200;
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yy = y0+10;
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DrawTextAndBoxes("Line1\nLine2" ,xx,yy); yy += (fsize+10)*2; // check 2 lines, no symbol
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DrawTextAndBoxes("@-> Line1\nLine2 @<-" ,xx,yy); yy += (fsize+10)*2; // check 2 lines, lt+rt symbols
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DrawTextAndBoxes("@-> Line1\nLine2\nLine3 @<-",xx,yy); yy += (fsize+10)*3; // check 3 lines, lt+rt symbols
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DrawTextAndBoxes("@@@@" ,xx,yy); yy += (fsize+10); // check abutting @@'s
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DrawTextAndBoxes("@@ @@" ,xx,yy); yy += (fsize+10); // check @@'s with space sep
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fl_font(FL_HELVETICA, 14);
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fl_color(FL_RED);
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fl_draw("fl_measure bounding box in RED", x0+10,y0+h0-20);
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}
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fl_pop_clip(); // remove the local clip
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}
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};
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UnitTest symbolExtents("symbol text", SymbolTest::create);
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//
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// End of "$Id$"
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//
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