void Window::Show()
{
while (!glfwWindowShouldClose(handle))
{
glUseProgram(text_renderer->program);
// get viewport size
glfwGetFramebufferSize(handle, &width, &height);
// set the viewport
glViewport(0, 0, width, height);
glClearColor(0,0,0,0);
glClear(GL_COLOR_BUFFER_BIT);
// enable blending
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
GLfloat black[4] = { 1,1,1,1 };
// set font size and color
FT_Set_Pixel_Sizes(text_renderer->normal_face, 0, 18);
glUniform4fv(text_renderer->uniform_color, 1, black);
// coordinates range from -1 to 1 in either direction
DrawEverything();
glfwSwapBuffers(handle);
glfwPollEvents();
}
}
void
hid_expose_callback (HID * hid, BoxType * region, void *item)
{
HID *old_gui = gui;
gui = hid;
Output.fgGC = gui->graphics->make_gc ();
Output.bgGC = gui->graphics->make_gc ();
Output.pmGC = gui->graphics->make_gc ();
hid->graphics->set_color (Output.pmGC, "erase");
hid->graphics->set_color (Output.bgGC, "drill");
if (item)
{
doing_pinout = true;
draw_element ((ElementType *)item);
doing_pinout = false;
}
else
DrawEverything (region);
gui->graphics->destroy_gc (Output.fgGC);
gui->graphics->destroy_gc (Output.bgGC);
gui->graphics->destroy_gc (Output.pmGC);
gui = old_gui;
}
