diff options
Diffstat (limited to 'test/pugl_cairo_test.c')
| -rw-r--r-- | test/pugl_cairo_test.c | 33 |
1 files changed, 28 insertions, 5 deletions
diff --git a/test/pugl_cairo_test.c b/test/pugl_cairo_test.c index 23c2b4e..1aa291a 100644 --- a/test/pugl_cairo_test.c +++ b/test/pugl_cairo_test.c @@ -110,10 +110,33 @@ buttonDraw(cairo_t* cr, const Button* but, const double time) } static void -onDisplay(PuglView* view) +postButtonRedisplay(PuglView* view) +{ + const PuglRect frame = puglGetFrame(view); + const double width = frame.width; + const double height = frame.height; + const double scaleX = (width - (512 / width)) / 512.0; + const double scaleY = (height - (512 / height)) / 512.0; + + for (Button* b = buttons; b->label; ++b) { + const double span = sqrt(b->w * b->w + b->h * b->h); + const PuglRect rect = {(b->x - span) * scaleX, + (b->y - span) * scaleY, + span * 2.0 * scaleX, + span * 2.0 * scaleY}; + + puglPostRedisplayRect(view, rect); + } +} + +static void +onDisplay(PuglView* view, const PuglEventExpose* event) { cairo_t* cr = (cairo_t*)puglGetContext(view); + cairo_rectangle(cr, event->x, event->y, event->width, event->height); + cairo_clip(cr); + // Draw background const PuglRect frame = puglGetFrame(view); const double width = frame.width; @@ -157,11 +180,11 @@ onEvent(PuglView* view, const PuglEvent* event) break; case PUGL_BUTTON_PRESS: mouseDown = true; - puglPostRedisplay(view); + postButtonRedisplay(view); break; case PUGL_BUTTON_RELEASE: mouseDown = false; - puglPostRedisplay(view); + postButtonRedisplay(view); break; case PUGL_ENTER_NOTIFY: entered = true; @@ -172,7 +195,7 @@ onEvent(PuglView* view, const PuglEvent* event) puglPostRedisplay(view); break; case PUGL_EXPOSE: - onDisplay(view); + onDisplay(view, &event->expose); break; case PUGL_CLOSE: onClose(view); @@ -214,7 +237,7 @@ main(int argc, char** argv) PuglFpsPrinter fpsPrinter = { puglGetTime(world) }; while (!quit) { if (opts.continuous) { - puglPostRedisplay(view); + postButtonRedisplay(view); } else { puglPollEvents(world, -1); } |