daily update on 20230609 by nitload youmu, graphic arragement for better form init

源代码/StgSharpGraphics/源.txt

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+// A simple multi-window example using GLFW
+// This code is based on https://github.com/glfw/glfw/blob/master/examples/windows.c
+
+#include <GLFW/glfw3.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+
+// A function to handle window resizing
+void window_size_callback(GLFWwindow* window, int width, int height)
+{
+    glViewport(0, 0, width, height);
+}
+
+// A function to handle window closing
+void window_close_callback(GLFWwindow* window)
+{
+    printf("Window %p closed\n", window);
+}
+
+// A function to handle key input
+void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods)
+{
+    if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS)
+        glfwSetWindowShouldClose(window, GLFW_TRUE);
+}
+
+int main(void)
+{
+    // Initialize GLFW
+    if (!glfwInit())
+    {
+        printf("Failed to initialize GLFW\n");
+        exit(EXIT_FAILURE);
+    }
+
+    // Create two windows with OpenGL contexts
+    GLFWwindow* window1 = glfwCreateWindow(640, 480, "Window 1", NULL, NULL);
+    if (!window1)
+    {
+        printf("Failed to create window 1\n");
+        glfwTerminate();
+        exit(EXIT_FAILURE);
+    }
+
+    GLFWwindow* window2 = glfwCreateWindow(640, 480, "Window 2", NULL, NULL);
+    if (!window2)
+    {
+        printf("Failed to create window 2\n");
+        glfwDestroyWindow(window1);
+        glfwTerminate();
+        exit(EXIT_FAILURE);
+    }
+
+    // Set the callbacks for each window
+    glfwSetWindowSizeCallback(window1, window_size_callback);
+    glfwSetWindowCloseCallback(window1, window_close_callback);
+    glfwSetKeyCallback(window1, key_callback);
+
+    glfwSetWindowSizeCallback(window2, window_size_callback);
+    glfwSetWindowCloseCallback(window2, window_close_callback);
+    glfwSetKeyCallback(window2, key_callback);
+
+    // Set the clear colors for each window
+    const struct { float r, g, b; } colors[] =
+    {
+        { 0.95f, 0.32f, 0.11f },
+        { 0.50f, 0.80f, 0.16f }
+    };
+
+    // Loop until both windows are closed
+    while (!glfwWindowShouldClose(window1) && !glfwWindowShouldClose(window2))
+    {
+        // Clear and swap buffers for each window
+        for (int i = 0; i < 2; i++)
+        {
+            GLFWwindow* window = (i == 0) ? window1 : window2;
+            glfwMakeContextCurrent(window);
+            glClearColor(colors[i].r, colors[i].g, colors[i].b, 1.f);
+            glClear(GL_COLOR_BUFFER_BIT);
+            glfwSwapBuffers(window);
+        }
+
+        // Poll for and process events
+        glfwPollEvents();
+    }
+
+    // Destroy the windows and terminate GLFW
+    glfwDestroyWindow(window1);
+    glfwDestroyWindow(window2);
+
+    glfwTerminate();
+}