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Allegro 5 example: main.cpp matches other examples. added window title.

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This commit is contained in:
ocornut
2015-07-08 11:46:18 -06:00
parent 1845ff4690
commit 489e28ec11
4 changed files with 88 additions and 74 deletions
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3
examples/allegro5_example/imgui_impl_a5.cpp
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@ -1,7 +1,6 @@
// ImGui Allegro 5 bindings
// by @birthggd
// public domain
// https://github.com/ocornut/imgui
// by @birthggd, public domain
#include <stdint.h> // uint64_t
#include <cstring> // memcpy

18
examples/allegro5_example/imgui_impl_a5.h
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@ -1,16 +1,18 @@
// public domain
// ImGui Allegro 5 bindings
// https://github.com/ocornut/imgui
// by @birthggd, public domain
#pragma once
struct ALLEGRO_DISPLAY;
union ALLEGRO_EVENT;
bool ImGui_ImplA5_Init(ALLEGRO_DISPLAY *disp);
void ImGui_ImplA5_ProcessEvent(ALLEGRO_EVENT *ev);
void ImGui_ImplA5_Shutdown();
bool ImGui_ImplA5_Init(ALLEGRO_DISPLAY* display);
void ImGui_ImplA5_Shutdown();
void ImGui_ImplA5_NewFrame();
void ImGui_ImplA5_NewFrame();
bool Imgui_ImplA5_CreateDeviceObjects();
void ImGui_ImplA5_InvalidateDeviceObjects();
void ImGui_ImplA5_ProcessEvent(ALLEGRO_EVENT* event);
// Use if you want to reset your rendering device without losing ImGui state.
bool Imgui_ImplA5_CreateDeviceObjects();
void ImGui_ImplA5_InvalidateDeviceObjects();

135
examples/allegro5_example/main.cpp
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@ -1,3 +1,4 @@
// ImGui - standalone example application for Allegro 5
// public domain
#include <stdint.h>
@ -6,75 +7,85 @@
#include <imgui.h>
#include "imgui_impl_a5.h"
int main(int argc, char **argv)
int main(int, char**)
{
ALLEGRO_DISPLAY *disp;
ALLEGRO_EVENT_QUEUE *queue;
// Setup Allegro
al_init();
al_install_keyboard();
al_install_mouse();
al_init_primitives_addon();
ALLEGRO_DISPLAY* display = al_create_display(1280, 720);
al_set_window_title(display, "ImGui Allegro 5 example");
ALLEGRO_EVENT_QUEUE* queue = al_create_event_queue();
al_register_event_source(queue, al_get_display_event_source(display));
al_register_event_source(queue, al_get_keyboard_event_source());
al_register_event_source(queue, al_get_mouse_event_source());
al_init();
al_install_keyboard();
al_install_mouse();
// Setup ImGui binding
ImGui_ImplA5_Init(display);
//ImGuiIO& io = ImGui::GetIO();
//ImFont* my_font0 = io.Fonts->AddFontDefault();
//ImFont* my_font1 = io.Fonts->AddFontFromFileTTF("../../extra_fonts/DroidSans.ttf", 16.0f);
//ImFont* my_font2 = io.Fonts->AddFontFromFileTTF("../../extra_fonts/Karla-Regular.ttf", 16.0f);
//ImFont* my_font3 = io.Fonts->AddFontFromFileTTF("../../extra_fonts/ProggyClean.ttf", 13.0f); my_font3->DisplayOffset.y += 1;
//ImFont* my_font4 = io.Fonts->AddFontFromFileTTF("../../extra_fonts/ProggyTiny.ttf", 10.0f); my_font4->DisplayOffset.y += 1;
//ImFont* my_font5 = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, io.Fonts->GetGlyphRangesJapanese());
al_init_primitives_addon();
//al_set_new_display_option(ALLEGRO_VSYNC, 1, ALLEGRO_DONTCARE);
disp = al_create_display(1280, 800);
queue = al_create_event_queue();
al_register_event_source(queue, al_get_display_event_source(disp));
al_register_event_source(queue, al_get_keyboard_event_source());
al_register_event_source(queue, al_get_mouse_event_source());
ImGui_ImplA5_Init(disp);
bool show_test_window = true;
bool show_another_window = false;
ImVec4 clear_color = ImColor(114, 144, 154);
bool running = true;
while (running) {
ALLEGRO_EVENT ev;
while (al_get_next_event(queue, &ev)) {
ImGui_ImplA5_ProcessEvent(&ev);
if (ev.type == ALLEGRO_EVENT_DISPLAY_CLOSE) running = false;
}
ImGui_ImplA5_NewFrame();
bool show_test_window = true;
bool show_another_window = false;
ImVec4 clear_color = ImColor(114, 144, 154);
// Main loop
bool running = true;
while (running)
{
static float f;
ImGui::Text("Hello, world!");
ImGui::SliderFloat("float", &f, 0.0f, 1.0f);
ImGui::ColorEdit3("clear color", (float*)&clear_color);
if (ImGui::Button("Test Window")) show_test_window ^= 1;
if (ImGui::Button("Another Window")) show_another_window ^= 1;
ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f/ImGui::GetIO().Framerate, ImGui::GetIO().Framerate);
ALLEGRO_EVENT ev;
while (al_get_next_event(queue, &ev))
{
ImGui_ImplA5_ProcessEvent(&ev);
if (ev.type == ALLEGRO_EVENT_DISPLAY_CLOSE) running = false;
}
ImGui_ImplA5_NewFrame();
// 1. Show a simple window
// Tip: if we don't call ImGui::Begin()/ImGui::End() the widgets appears in a window automatically called "Debug"
{
static float f;
ImGui::Text("Hello, world!");
ImGui::SliderFloat("float", &f, 0.0f, 1.0f);
ImGui::ColorEdit3("clear color", (float*)&clear_color);
if (ImGui::Button("Test Window")) show_test_window ^= 1;
if (ImGui::Button("Another Window")) show_another_window ^= 1;
ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f/ImGui::GetIO().Framerate, ImGui::GetIO().Framerate);
}
// 2. Show another simple window, this time using an explicit Begin/End pair
if (show_another_window)
{
ImGui::SetNextWindowSize(ImVec2(200, 100), ImGuiSetCond_FirstUseEver);
ImGui::Begin("Another Window", &show_another_window);
ImGui::Text("Hello");
ImGui::End();
}
// 3. Show the ImGui test window. Most of the sample code is in ImGui::ShowTestWindow()
if (show_test_window)
{
ImGui::SetNextWindowPos(ImVec2(650, 20), ImGuiSetCond_FirstUseEver);
ImGui::ShowTestWindow(&show_test_window);
}
// Rendering
al_clear_to_color(al_map_rgba_f(clear_color.x, clear_color.y, clear_color.z, clear_color.w));
ImGui::Render();
al_flip_display();
}
if (show_another_window) {
ImGui::SetNextWindowSize(ImVec2(200, 100), ImGuiSetCond_FirstUseEver);
ImGui::Begin("Another Window", &show_another_window);
ImGui::Text("Hello");
ImGui::End();
}
// Cleanup
ImGui_ImplA5_Shutdown();
al_destroy_event_queue(queue);
al_destroy_display(display);
if (show_test_window) {
ImGui::SetNextWindowPos(ImVec2(650, 20), ImGuiSetCond_FirstUseEver);
ImGui::ShowTestWindow(&show_test_window);
}
al_clear_to_color(al_map_rgba_f(clear_color.x, clear_color.y, clear_color.z, clear_color.w));
ImGui::Render();
al_flip_display();
}
ImGui_ImplA5_Shutdown();
al_destroy_event_queue(queue);
al_destroy_display(disp);
return 0;
return 0;
}