win32

commit 2add23be1ff1016810454bc85346ef656ae24269
parent ddb13870655b4177cff87e2d1d9e4ea8d35e522e
Author: Matsuda Kenji <info@mtkn.jp>
Date:   Thu, 18 Dec 2025 08:31:50 +0900

add xcb.c

Diffstat:
M
Makefile
 | 
11
++++++++---
D
win32.c
 | 
166
-------------------------------------------------------------------------------
A
xcb.c
 | 
4
++++

3 files changed, 12 insertions(+), 169 deletions(-)
diff --git a/Makefile b/Makefile
@@ -1,5 +1,10 @@
-all:
-	$(CC) -Wall -Wpedantic -Wextra -I/usr/X11R6/include win32.c -L/usr/X11R6/lib -lX11 -lXrender -o win32
+all: xlib xcb
+
+xlib:
+	$(CC) -Wall -Wpedantic -Wextra -I/usr/X11R6/include xlib.c -L/usr/X11R6/lib -lX11 -lXrender -o xlib
+
+xcb:
+	$(CC) -Wall -Wpedantic -Wextra -I/usr/X11R6/include xcb.c -L/usr/X11R6/lib -o xcb
 
 clean:
-	rm -f win32
+	rm -f xlib xcb
diff --git a/win32.c b/win32.c
@@ -1,166 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <X11/extensions/Xrender.h>
-
-void fatal(char *msg);
-int findVisual32(Display *display, XVisualInfo *return_visual_info);
-int findPictFormat(Display *display, int depth, XRenderPictFormat *return_pictformat);
-
-int main(void) {
-	Display *display = XOpenDisplay(NULL);
-	if (!display) {
-		fatal("can't open display");
-	}
-	int screen = DefaultScreen(display);
-	XSetWindowAttributes attr = {
-		.event_mask = KeyPressMask | ExposureMask,
-	};
-
-	int width = 800, height = 600;
-	Window window = XCreateWindow(display, DefaultRootWindow(display),
-		0, 0, width, height, 0,
-		DefaultDepth(display, screen),
-		InputOutput,
-		DefaultVisual(display, screen),
-		CWEventMask,
-		&attr);
-	XMapWindow(display, window);
-
-	XRenderPictFormat pictformat, pictformat24, pictformat32;
-	if (findPictFormat(display, 24, &pictformat24) < 0) {
-		fatal("24bit-deep pictformat not found");
-	}
-	if (findPictFormat(display, 32, &pictformat32) < 0) {
-		fatal("32bit-deep pictformat not found");
-	}
-	switch (DefaultDepth(display, screen)) {
-	case 24:
-		pictformat = pictformat24;
-		break;
-	case 32:
-		pictformat = pictformat32;
-		break;
-	default:
-		fatal("unsupported screen depth");
-	}
-
-	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 = width, .height = height };
-	XRenderFillRectangles(display, PictOpSrc, picture, &color, &rectangle, 1);
-
-	XVisualInfo vi32;
-	if (findVisual32(display, &vi32) < 0) {
-		fatal("32bit-deep visual info not found");
-	}
-	Colormap colormap32 = XCreateColormap(display, DefaultRootWindow(display), vi32.visual, AllocNone);
-	XSetWindowAttributes attr32 = {
-		.border_pixel = 0,
-		.colormap = colormap32,
-	};
-	Window window32 = XCreateWindow(display, DefaultRootWindow(display),
-		0, 0, 1, 1, 0,
-		32,
-		InputOutput,
-		vi32.visual,
-		CWBorderPixel|CWColormap,
-		&attr32);
-
-	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 = 200;
-	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);
-
-	int width3 = 300, height3 = 300;
-	Pixmap pixmap32_3 = XCreatePixmap(display, window32, width3, height3, 32);
-	Picture picture32_3 = XRenderCreatePicture(display, pixmap32_3, &pictformat32, 0, NULL);
-	XRenderColor color3 = { .red = 0, .green = 0, .blue = 0xffff, .alpha = 0x3fff };
-	XRectangle rectangle3 = { .x = 0, .y = 0, .width = width3, .height = height3 };
-	XRenderFillRectangles(display, PictOpSrc, picture32_3, &color3, &rectangle3, 1);
-
-	XSync(display, 0);
-	int quit = 0;
-	XEvent event;
-	while (!quit) {
-		XRenderFillRectangles(display, PictOpSrc, picture, &color, &rectangle, 1);
-		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, 150, width2, height2);
-		XRenderComposite(display, PictOpOver, picture32_3, 0, picture, 0, 0, 0, 0, 150, 200, width3, height3);
-		XNextEvent(display, &event);
-		if (event.type == KeyPress && event.xkey.keycode == 49) {
-			quit = 1;
-		}
-	}
-
-	XFreePixmap(display, pixmap32_1);
-	XRenderFreePicture(display, picture);
-	XCloseDisplay(display);
-}
-
-void fatal(char *msg) {
-	fprintf(stderr, "%s\n", msg);
-	exit(1);
-}
-
-int findVisual32(Display *display, XVisualInfo *return_visual_info) {
-	long mask = VisualDepthMask|VisualRedMaskMask|VisualGreenMaskMask|VisualBlueMaskMask;
-	XVisualInfo template = {
-		.depth      = 32,
-		.red_mask   = 0xff0000,
-		.green_mask = 0x00ff00,
-		.blue_mask  = 0x0000ff,
-	};
-	int n;
-	XVisualInfo *vinfos = XGetVisualInfo(display, mask, &template, &n);
-	if (n == 0) {
-		return -1;
-	}
-	*return_visual_info = vinfos[0];
-	XFree(vinfos);
-	return 0;
-}
-
-XRenderDirectFormat directformat24 = {
-	.red = 16,
-	.redMask = 0xff,
-	.green = 8,
-	.greenMask = 0xff,
-	.blue = 0,
-	.blueMask = 0xff,
-};
-
-XRenderDirectFormat directformat32 = {
-	.alpha = 24,
-	.alphaMask = 0xff,
-	.red = 16,
-	.redMask = 0xff,
-	.green = 8,
-	.greenMask = 0xff,
-	.blue = 0,
-	.blueMask = 0xff,
-};
-
-int findPictFormat(Display *display, int depth, XRenderPictFormat *return_pictformat) {
-	long mask = PictFormatType | PictFormatDepth;
-	XRenderPictFormat template = {
-		.type = PictTypeDirect,
-		.depth = depth,
-	};
-	XRenderPictFormat *f = XRenderFindFormat(display, mask, &template, 0);
-	if (!f) {
-		return -1;
-	}
-	*return_pictformat = *f;
-	return 0;
-}
diff --git a/xcb.c b/xcb.c
@@ -0,0 +1,4 @@
+
+int main(void) {
+	return 0;
+}