diff --git a/src/Fl_Image.cxx b/src/Fl_Image.cxx index caec5103fc5040fc6ae2d28fd81b94883b95c722..d5fdeca5d98f3ec40ebe419f71e0dbe0844b370c 100644 --- a/src/Fl_Image.cxx +++ b/src/Fl_Image.cxx @@ -733,12 +733,13 @@ void Fl_RGB_Image::draw(int XP, int YP, int WP, int HP, int cx, int cy) { rectangle_int_t r1 = { XP-cx, YP-cy, w(), h() }; rectangle_int_t r2 = { XP, YP, WP, HP }; crect_intersect(&r1, &r2); + if (!r1.width || !r1.height) return; // After this, r1.x,r1.y = position of top-left of drawn image part; // r1.width,r1.height = size of drawn image part, in FLTK units; // fl_max(cx, 0),fl_max(cy, 0) = top-left of drawn part in image. - int l = (ld() ? ld() : d() * w()); + int l = (ld() ? ld() : d() * data_w()); const uchar *p = array + fl_max(cy, 0) * l + fl_max(cx, 0) * d(); - fl_graphics_driver->draw_image(p, XP, YP, WP, HP, d(), l); + fl_graphics_driver->draw_image(p, r1.x, r1.y, r1.width, r1.height, d(), l); } else fl_graphics_driver->draw_rgb(this, XP, YP, WP, HP, cx, cy); }