FLTK1.1 Quartz:
- fixed fl_arc and fl_pie Check out test/boxtype: it looks really sweet in antialised mode! git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@3789 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Matthias Melcher
parent
c29b4b5e16
commit
93798e2f83
@ -1,5 +1,5 @@
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//
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// "$Id: fl_arci.cxx,v 1.4.2.5.2.8 2004/08/26 06:18:12 matthiaswm Exp $"
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// "$Id: fl_arci.cxx,v 1.4.2.5.2.9 2004/08/27 00:22:28 matthiaswm Exp $"
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//
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// Arc (integer) drawing functions for the Fast Light Tool Kit (FLTK).
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//
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@ -55,10 +55,18 @@ void fl_arc(int x,int y,int w,int h,double a1,double a2) {
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a1 = a2-a1; a2 = 450-a2;
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FrameArc(&r, (short int)a2, (short int)a1);
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#elif defined(__APPLE_QUARTZ__)
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# warning : no support for ovals yet!
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float cx = x + 0.5f*w, cy = y + 0.5f*h;
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float r = (w+h)*0.25f;
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CGContextAddArc(fl_gc, cx, cy, r, a1/180.0f*M_PI, a2/180.0f*M_PI, 1);
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a1 = (-a1)/180.0f*M_PI; a2 = (-a2)/180.0f*M_PI;
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float cx = x + 0.5f*w - 0.5f, cy = y + 0.5f*h - 0.5f;
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if (w!=h) {
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CGContextSaveGState(fl_gc);
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CGContextTranslateCTM(fl_gc, cx, cy);
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CGContextScaleCTM(fl_gc, w-1.0f, h-1.0f);
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CGContextAddArc(fl_gc, 0, 0, 0.5, a1, a2, 1);
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CGContextRestoreGState(fl_gc);
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} else {
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float r = (w+h)*0.25f-0.5f;
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CGContextAddArc(fl_gc, cx, cy, r, a1, a2, 1);
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}
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CGContextStrokePath(fl_gc);
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#else
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XDrawArc(fl_display, fl_window, fl_gc, x,y,w-1,h-1, int(a1*64),int((a2-a1)*64));
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@ -80,10 +88,22 @@ void fl_pie(int x,int y,int w,int h,double a1,double a2) {
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a1 = a2-a1; a2 = 450-a2;
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PaintArc(&r, (short int)a2, (short int)a1);
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#elif defined(__APPLE_QUARTZ__)
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# warning : no support for ovals yet!
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float cx = x + 0.5f*w, cy = y + 0.5f*h;
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float r = (w+h)*0.25f;
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CGContextAddArc(fl_gc, cx, cy, r, a1/180.0f*M_PI, a2/180.0f*M_PI, 1);
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a1 = (-a1)/180.0f*M_PI; a2 = (-a2)/180.0f*M_PI;
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float cx = x + 0.5f*w - 0.5f, cy = y + 0.5f*h - 0.5f;
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if (w!=h) {
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CGContextSaveGState(fl_gc);
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CGContextTranslateCTM(fl_gc, cx, cy);
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CGContextScaleCTM(fl_gc, w, h);
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CGContextAddArc(fl_gc, 0, 0, 0.5, a1, a2, 1);
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CGContextAddLineToPoint(fl_gc, 0, 0);
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CGContextClosePath(fl_gc);
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CGContextRestoreGState(fl_gc);
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} else {
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float r = (w+h)*0.25f;
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CGContextAddArc(fl_gc, cx, cy, r, a1, a2, 1);
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CGContextAddLineToPoint(fl_gc, cx, cy);
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CGContextClosePath(fl_gc);
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}
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CGContextFillPath(fl_gc);
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#else
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XFillArc(fl_display, fl_window, fl_gc, x,y,w,h, int(a1*64),int((a2-a1)*64));
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@ -91,5 +111,5 @@ void fl_pie(int x,int y,int w,int h,double a1,double a2) {
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}
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//
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// End of "$Id: fl_arci.cxx,v 1.4.2.5.2.8 2004/08/26 06:18:12 matthiaswm Exp $".
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// End of "$Id: fl_arci.cxx,v 1.4.2.5.2.9 2004/08/27 00:22:28 matthiaswm Exp $".
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//
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@ -11,7 +11,7 @@
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Fl_Window *win = 0;
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int point_test_ix, line_test_ix, rect_test_ix, viewport_test_ix;
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int point_test_ix, line_test_ix, rect_test_ix, viewport_test_ix, circle_test_ix;
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void changePageCB(Fl_Widget*, void *ixvp) {
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int ix = (int)ixvp;
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@ -37,6 +37,7 @@ void createMenuPage() {
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newButton(125+2, 22, 22, 22, "2", line_test_ix, "Testing fl_line");
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newButton(150+2, 22, 22, 22, "3", rect_test_ix, "Testing fl_rect");
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newButton(175+2, 22, 22, 22, "4", viewport_test_ix, "Testing viewport alignment");
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newButton(200+2, 22, 22, 22, "5", circle_test_ix, "Testing circle and oval drawing");
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g->end();
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page->end();
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}
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@ -50,7 +51,7 @@ Fl_Group *beginTestPage(const char *l) {
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newButton(20, 40, 20, 20, "@<", ix-1, "previous test");
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newButton(20, 60, 20, 20, "@>", ix+1, "next test");
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Fl_Box *bx = new Fl_Box(60, 20, win->w()-80, 100, l);
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bx->box(FL_THIN_DOWN_BOX);
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bx->box(FL_ENGRAVED_BOX);
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bx->align(FL_ALIGN_INSIDE|FL_ALIGN_WRAP);
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return g;
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}
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@ -193,16 +194,78 @@ void fl_viewport_test() {
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page->end();
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}
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//------- test the circle drawing capabilities of this implementation ----------
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class CircleTest : Fl_Widget {
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public: CircleTest(int x, int y, int w, int h) : Fl_Widget(x, y, w, h) {}
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void draw() {
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int a = x(), b = y(); fl_color(FL_BLACK); fl_rect(a, b, 100, 100);
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// test fl_arc for full circles
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fl_color(FL_GREEN); fl_rect(a+ 9, b+ 9, 33, 33);
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fl_color(FL_RED); fl_xyline(a+24, b+10, a+27); fl_xyline(a+24, b+40, a+27);
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fl_yxline(a+10, b+24, b+27); fl_yxline(a+40, b+24, b+27);
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fl_color(FL_BLACK); fl_arc(a+10, b+10, 31, 31, 0.0, 360.0);
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// test fl_arc segmet 1
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fl_color(FL_GREEN); fl_rect(a+54, b+ 4, 43, 43);
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fl_rect(a+54, b+4, 18, 18); fl_rect(a+79, b+29, 18, 18);
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fl_color(FL_RED); fl_point(a+55, b+30); fl_point(a+70, b+45);
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fl_point(a+80, b+5); fl_point(a+95, b+20);
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fl_color(FL_BLACK); fl_arc(a+65, b+ 5, 31, 31, -35.0, 125.0);
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// test fl_arc segmet 2
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fl_color(FL_BLACK); fl_arc(a+55, b+15, 31, 31, 145.0, 305.0);
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// test fl_pie for full circles
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fl_color(FL_RED); fl_xyline(a+24, b+60, a+27); fl_xyline(a+24, b+90, a+27);
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fl_yxline(a+10, b+74, b+77); fl_yxline(a+40, b+74, b+77);
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fl_color(FL_GREEN); fl_rect(a+ 9, b+59, 33, 33);
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fl_color(FL_BLACK); fl_pie(a+10, b+60, 31, 31, 0.0, 360.0);
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// test fl_pie segmet 1
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fl_color(FL_GREEN); fl_rect(a+54, b+54, 43, 43);
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fl_rect(a+54, b+54, 18, 18); fl_rect(a+79, b+79, 18, 18);
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fl_point(a+79, b+71); fl_point(a+71, b+79);
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fl_color(FL_RED); fl_point(a+55, b+80); fl_point(a+70, b+95);
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fl_point(a+80, b+55); fl_point(a+95, b+70);
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fl_point(a+81, b+69); fl_point(a+69, b+81);
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fl_color(FL_BLACK); fl_pie(a+65, b+55, 31, 31, -30.0, 120.0);
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// test fl_pie segmet 2
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fl_color(FL_BLACK); fl_pie(a+55, b+65, 31, 31, 150.0, 300.0);
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//---- oval testing (horizontal squish)
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a = x()+120; b = y(); fl_color(FL_BLACK); fl_rect(a, b, 100, 100);
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fl_color(FL_GREEN);
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fl_rect(a+19, b+9, 63, 33); fl_rect(a+19, b+59, 63, 33);
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fl_color(FL_BLACK);
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fl_arc(a+20, b+10, 61, 31, 0, 360); fl_pie(a+20, b+60, 61, 31, 0, 360);
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//---- oval testing (horizontal squish)
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a = x()+240; b = y(); fl_color(FL_BLACK); fl_rect(a, b, 100, 100);
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fl_color(FL_GREEN);
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fl_rect(a+9, b+19, 33, 63); fl_rect(a+59, b+19, 33, 63);
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fl_color(FL_BLACK);
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fl_arc(a+10, b+20, 31, 61, 0, 360); fl_pie(a+60, b+20, 31, 61, 0, 360);
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}
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};
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void fl_circle_test() {
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circle_test_ix = win->children();
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Fl_Group *page = beginTestPage(
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"testing int drawing of circles and ovals (fl_arc, fl_pie)\n"
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"No red lines should be visible. "
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"If you see bright red pixels, the circle drawing alignment is off. "
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"If you see dark red pixels, your syste supports anti-aliasing "
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"which should be of no concern. "
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"The green rectangles should not be touched by circle drawings."
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);
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new CircleTest(20, 140, 340, 100);
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page->end();
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}
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int main(int argc, char **argv) {
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win = new Fl_Window(600, 600, "Unit Tests for FLTK");
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// --- list all tests
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fl_point_test();
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fl_line_test();
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fl_rect_test();
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fl_viewport_test();
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fl_circle_test();
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// --- last page is the menu
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createMenuPage();
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win->end();
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win->show(argc, argv);
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Fl::run();
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}
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