win32

commit f1bc01c09fd6d0c9224b58ff7dc53bb3d50b803c
parent d62afb6f23a6e22c3a3293c6b24756ba8ba08f0f
Author: Matsuda Kenji <info@mtkn.jp>
Date:   Wed, 17 Dec 2025 17:58:16 +0900

use 2 pictures

Diffstat:
M
win32.c
 | 
37
++++++++++++++++++++-----------------

1 file changed, 20 insertions(+), 17 deletions(-)
diff --git a/win32.c b/win32.c
@@ -18,8 +18,9 @@ int main(void) {
 		.event_mask = KeyPressMask | ExposureMask,
 	};
 
+	int width = 800, height = 600;
 	Window window = XCreateWindow(display, DefaultRootWindow(display),
-		0, 0, 800, 600, 0,
+		0, 0, width, height, 0,
 		DefaultDepth(display, screen),
 		InputOutput,
 		DefaultVisual(display, screen),
@@ -47,7 +48,7 @@ int main(void) {
 
 	Picture picture = XRenderCreatePicture(display, window, &pictformat, 0, NULL);
 	XRenderColor color = { .red = 0xffff, .green = 0xffff, .blue = 0xeaea, .alpha = 0xffff };
-	XRectangle rectangle = { .x = 0, .y = 0, .width = 800, .height = 600 };
+	XRectangle rectangle = { .x = 0, .y = 0, .width = width, .height = height };
 	XRenderFillRectangles(display, PictOpSrc, picture, &color, &rectangle, 1);
 
 	XVisualInfo vi32;
@@ -66,33 +67,35 @@ int main(void) {
 		vi32.visual,
 		CWBorderPixel|CWColormap,
 		&attr32);
-	Pixmap pixmap32 = XCreatePixmap(display, window32, 800, 600, 32);
-	Picture picture32 = XRenderCreatePicture(display, pixmap32, &pictformat32, 0, NULL);
-	XRenderColor colors[2] = {
-		{ .red = 0xffff, .alpha = 0x0fff },
-		{ .green = 0xffff, .alpha = 0x0fff },
-	};
-	XRectangle rectangles[2] = {
-		{ .x = 100, .y = 100, .width = 300, .height = 400 },
-		{ .x = 200, .y = 200, .width = 300, .height = 200 },
-	};
-	XRenderFillRectangles(display, PictOpSrc, picture32, &color, &rectangle, 1);
-	XRenderFillRectangles(display, PictOpOver, picture32, &colors[0], &rectangles[0], 1);
-	XRenderFillRectangles(display, PictOpOver, picture32, &colors[1], &rectangles[1], 1);
+
+	int width1 = 300, height1 = 300;
+	Pixmap pixmap32_1 = XCreatePixmap(display, window32, width1, height1, 32);
+	Picture picture32_1 = XRenderCreatePicture(display, pixmap32_1, &pictformat32, 0, NULL);
+	XRenderColor color1 = { .red = 0xffff, .green = 0, .blue = 0, .alpha = 0x3fff };
+	XRectangle rectangle1 = { .x = 0, .y = 0, .width = width1, .height = height1 };
+	XRenderFillRectangles(display, PictOpSrc, picture32_1, &color1, &rectangle1, 1);
+
+	int width2 = 300, height2 = 100;
+	Pixmap pixmap32_2 = XCreatePixmap(display, window32, width2, height2, 32);
+	Picture picture32_2 = XRenderCreatePicture(display, pixmap32_2, &pictformat32, 0, NULL);
+	XRenderColor color2 = { .red = 0, .green = 0xffff, .blue = 0, .alpha = 0x3fff };
+	XRectangle rectangle2 = { .x = 0, .y = 0, .width = width2, .height = height2 };
+	XRenderFillRectangles(display, PictOpSrc, picture32_2, &color2, &rectangle2, 1);
 
 	XSync(display, 0);
 	int quit = 0;
 	XEvent event;
 	while (!quit) {
 		XRenderFillRectangles(display, PictOpSrc, picture, &color, &rectangle, 1);
-		XRenderComposite(display, PictOpOver, picture32, 0, picture, 0, 0, 0, 0, 0, 0, 800, 600);
+		XRenderComposite(display, PictOpOver, picture32_1, 0, picture, 0, 0, 0, 0, 100, 100, width1, height1);
+		XRenderComposite(display, PictOpOver, picture32_2, 0, picture, 0, 0, 0, 0, 200, 200, width2, height2);
 		XNextEvent(display, &event);
 		if (event.type == KeyPress && event.xkey.keycode == 49) {
 			quit = 1;
 		}
 	}
 
-	XFreePixmap(display, pixmap32);
+	XFreePixmap(display, pixmap32_1);
 	XRenderFreePicture(display, picture);
 	XCloseDisplay(display);
 }