repo: booger
action: commit
revision: 
path_from: 
revision_from: f19588c650e66c9b47adfedcbd55c91c9031edb6:
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commit f19588c650e66c9b47adfedcbd55c91c9031edb6
Author: epoch 
Date:   Thu Oct 14 07:30:53 2021 +0000

    wat

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..ac3cd95f7aaa57d5e971ef7103ef118c378ea52a
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+booger
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000000000000000000000000000000000000..8437774395d5044b3a3c51aacb41aa31b113bfb1
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,8 @@
+PREFIX:=/usr/local
+
+.PHONEY: all
+
+all: booger
+
+booger: LDLIBS=-lX11
+booger: CFLAGS=-pedantic -Wall
diff --git a/booger.c b/booger.c
new file mode 100644
index 0000000000000000000000000000000000000000..3afe6086009c7d00cffb10fae0db6d9a588e4ee0
--- /dev/null
+++ b/booger.c
@@ -0,0 +1,108 @@
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#define ZOOM_W 5
+#define ZOOM_H 5
+#define ZOOM_F 20
+
+#define EVENT_MASK ButtonPressMask
+
+int main(int argc, char *argv[]) {
+	XSetWindowAttributes attributes;
+	XClassHint *class_hint=XAllocClassHint();
+	XColor c;
+	Display *D = XOpenDisplay((char *)NULL);
+	Screen *S = XDefaultScreenOfDisplay(D);
+	Visual *V = XDefaultVisualOfScreen(S);
+
+	int s = XDefaultScreen(D);
+	int depth = XDefaultDepth(D,s);
+
+	Window r = XRootWindow(D,s);
+	Window w;
+	GC gc;
+
+	int sw=XWidthOfScreen(S);
+	int sh=XHeightOfScreen(S);
+
+	Window root,child;
+	unsigned int mask;
+	int x,y;
+	int rx=0;
+	int ry=0;
+	int wx=0;
+	int wy=0;
+	int startx,starty;
+	int top,left,width,height;
+	class_hint->res_name="booger";
+	class_hint->res_class=class_hint->res_name;
+	setbuf(stdout,0);
+	w = XCreateWindow(D,r,0,0,ZOOM_W * ZOOM_F, ZOOM_H * ZOOM_F,
+			1, depth,InputOutput,V, 0, &attributes);
+	gc = XCreateGC(D,w,0,0);
+	Pixmap pixmap = XCreatePixmap(D,w,ZOOM_W * ZOOM_F, ZOOM_H * ZOOM_F,depth);
+	XSelectInput(D,w,EVENT_MASK);
+	XStoreName(D,w,"booger");
+	XSetClassHint(D,w,class_hint);
+	XMapWindow(D,w);
+	XGrabPointer(D, r, 1, EVENT_MASK, GrabModeAsync, GrabModeAsync, r, None, CurrentTime);
+	XEvent e;
+	XGCValues gcval;
+	int direction,ascent,descent;
+	XFontStruct *font=XLoadQueryFont(D,"fixed");
+	XCharStruct overall;
+	char text[256];
+	while(1) {
+		usleep(100);
+		while(XCheckMaskEvent(D,EVENT_MASK,&e)) {
+			if(e.type == ButtonPress) return 0;
+		}
+		XQueryPointer(D,r,&root,&child,&rx,&ry,&wx,&wy,&mask);
+		XImage *image;
+		left=rx-((ZOOM_W - 1) / 2);
+		if(left < 0) left=0;
+		top=ry-((ZOOM_H - 1) / 2);
+		if(top < 0) top=0;
+		width=ZOOM_W;//need to prevent these from going off-screen and breaking shit
+		height=ZOOM_H;//^
+		if(top + height > sh) height = sh - top;
+		if(left + width > sw) width = sw - left;
+		image = XGetImage(D, r, left, top, width, height, AllPlanes, XYPixmap);
+		startx=0 - rx-((ZOOM_W - 1) / 2);//need to start later if left was < 0 earlier
+		starty=0 - ry-((ZOOM_H - 1) / 2);
+		startx=0;
+		starty=0;
+		for(x=startx;x> 8,c.green >> 8,c.blue >> 8);
+		printf("%s\n",text);
+		XStoreName(D,w,text);
+		XTextExtents(font,text,strlen(text),&direction,&ascent,&descent,&overall);
+		XDrawString(D,pixmap,gc,10,10+(descent+ascent),text,strlen(text));
+
+		//outline the center pixel
+		XDrawRectangle(D,pixmap,gc,((ZOOM_W - 1) / 2) * ZOOM_F -1 ,((ZOOM_H - 1) / 2) * ZOOM_F-1,ZOOM_F +1, ZOOM_F +1);
+
+		gcval.function=GXcopy;
+		XChangeGC(D,gc,GCFunction,&gcval);
+
+		XFree(image);
+		XCopyArea(D,pixmap,w,gc,0,0,ZOOM_W * ZOOM_F,ZOOM_H * ZOOM_F,0,0);
+		XFlush(D);
+	}
+	return 0;
+}

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