rename apps directory and reorganize macpdf.app

1 files changed, 590 insertions, 0 deletions

diff --git a/apps/x11pdf.c b/apps/x11pdf.c
new file mode 100644
index 00000000..e35f90a6
--- /dev/null
+++ b/apps/x11pdf.c
@@ -0,0 +1,590 @@
+#include <fitz.h>
+#include <mupdf.h>
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/Xatom.h>
+#include <X11/Intrinsic.h>
+#include <X11/cursorfont.h>
+#include <X11/keysym.h>
+
+extern int ximage_init(Display *display, int screen, Visual *visual);
+extern int ximage_get_depth(void);
+extern Visual *ximage_get_visual(void);
+extern Colormap ximage_get_colormap(void);
+extern void ximage_blit(Drawable d, GC gc, int dstx, int dsty,
+	unsigned char *srcdata,
+	int srcx, int srcy, int srcw, int srch, int srcstride);
+
+static Display *xdpy;
+static int xscr;
+static Window xwin;
+static GC xgc;
+static XEvent xevt;
+static int mapped = 0;
+static Cursor xcarrow, xchand, xcwait;
+
+static char *doctitle = "<untitled>";
+
+static float zoom = 1.0;
+static int rotate = 0;
+static int pageno = 1;
+static int count = 0;
+
+static pdf_page *page = nil;
+static fz_obj *pageobj = nil;
+
+static int hist[256];
+static int histlen = 0;
+
+/* for 123G commands */
+static unsigned char pagebuf[256];
+static int pagebufidx = 0;
+
+static pdf_xref *xref;
+static pdf_pagetree *pages;
+static pdf_outline *outline;
+static fz_renderer *rast;
+static fz_pixmap *image;
+
+void usage()
+{
+	fprintf(stderr, "usage: x11pdf [-b] [-pzr page/zoom/rotate] [-u password] file.pdf\n");
+	fprintf(stderr,
+"\n"
+	);
+	exit(1);
+}
+
+/*
+ * X11 magic
+ */
+
+static void xopen(void)
+{
+	xdpy = XOpenDisplay(nil);
+	assert(xdpy != nil);
+
+	xscr = DefaultScreen(xdpy);
+
+	ximage_init(xdpy, xscr, DefaultVisual(xdpy, xscr));
+
+	xcarrow = XCreateFontCursor(xdpy, XC_left_ptr);
+	xchand = XCreateFontCursor(xdpy, XC_hand2);
+	xcwait = XCreateFontCursor(xdpy, XC_watch);
+
+	xwin = XCreateWindow(xdpy, DefaultRootWindow(xdpy),
+			10, 10, 200, 100, 1,
+			ximage_get_depth(),
+			InputOutput,
+			ximage_get_visual(),
+			0,
+			nil);
+
+	XSetWindowColormap(xdpy, xwin, ximage_get_colormap());
+	XSelectInput(xdpy, xwin,
+			StructureNotifyMask | ExposureMask | KeyPressMask |
+			PointerMotionMask | ButtonPressMask);
+
+	mapped = 0;
+
+	xgc = XCreateGC(xdpy, xwin, 0, nil);
+}
+
+static void xresize(void)
+{
+	XWindowChanges values;
+	int mask;
+
+	mask = CWWidth | CWHeight;
+	values.width = image->w;
+	values.height = image->h;
+	XConfigureWindow(xdpy, xwin, mask, &values);
+
+	if (!mapped)
+	{
+		XMapWindow(xdpy, xwin);
+		XFlush(xdpy);
+
+		while (1)
+		{
+			XNextEvent(xdpy, &xevt);
+			if (xevt.type == MapNotify)
+				break;
+		}
+
+		XSetForeground(xdpy, xgc, WhitePixel(xdpy, xscr));
+		XFillRectangle(xdpy, xwin, xgc, 0, 0, image->w, image->h);
+		XFlush(xdpy);
+
+		mapped = 1;
+	}
+}
+
+static void xblit(void)
+{
+	ximage_blit(xwin, xgc, 0, 0, image->samples, 0, 0,
+		image->w, image->h, image->w * image->n);
+}
+
+static void xtitle(char *s)
+{
+	XmbSetWMProperties(xdpy, xwin, s, s, 0, 0, 0, 0, 0);
+}
+
+static void showpage(void)
+{
+	fz_error *error;
+	fz_matrix ctm;
+	fz_rect bbox;
+	fz_obj *obj;
+	char s[256];
+
+	assert(pageno > 0 && pageno <= pdf_getpagecount(pages));
+
+	XDefineCursor(xdpy, xwin, xcwait);
+	XFlush(xdpy);
+
+	if (image)
+		fz_droppixmap(image);
+	image = nil;
+
+	obj = pdf_getpageobject(pages, pageno - 1);
+	if (obj == pageobj)
+		goto Lskipload;
+	pageobj = obj;
+
+	if (page)
+		pdf_droppage(page);
+
+	sprintf(s, "Loading page %d", pageno);
+	XSetForeground(xdpy, xgc, BlackPixel(xdpy, xscr));
+	XDrawString(xdpy, xwin, xgc, 10, 20, s, strlen(s));
+	XFlush(xdpy);
+
+	error = pdf_loadpage(&page, xref, pageobj);
+	if (error)
+		fz_abort(error);
+
+Lskipload:
+
+	sprintf(s, "Rendering...");
+	XSetForeground(xdpy, xgc, BlackPixel(xdpy, xscr));
+	XDrawString(xdpy, xwin, xgc, 10, 30, s, strlen(s));
+	XFlush(xdpy);
+
+	ctm = fz_identity();
+	ctm = fz_concat(ctm, fz_translate(0, -page->mediabox.max.y));
+	ctm = fz_concat(ctm, fz_scale(zoom, -zoom));
+	ctm = fz_concat(ctm, fz_rotate(rotate + page->rotate));
+
+	bbox = fz_transformaabb(ctm, page->mediabox);
+
+	error = fz_rendertree(&image, rast, page->tree, ctm, fz_roundrect(bbox), 1);
+	if (error)
+		fz_abort(error);
+
+	XDefineCursor(xdpy, xwin, xcarrow);
+	XFlush(xdpy);
+
+	{
+		char buf[512];
+		sprintf(buf, "%s - %d/%d", doctitle, pageno, count);
+		xtitle(buf);
+	}
+
+	xresize();
+	xblit();
+}
+
+static void pdfopen(char *filename, char *password)
+{
+	fz_error *error;
+	fz_obj *obj;
+
+	error = pdf_newxref(&xref);
+	if (error)
+		fz_abort(error);
+
+	error = pdf_loadxref(xref, filename);
+	if (error)
+	{
+		fz_warn(error->msg);
+		printf("trying to repair...\n");
+		error = pdf_repairxref(xref, filename);
+		if (error)
+			fz_abort(error);
+	}
+
+	error = pdf_decryptxref(xref);
+	if (error)
+		fz_abort(error);
+
+	if (xref->crypt)
+	{
+		error = pdf_setpassword(xref->crypt, password);
+		if (error) fz_abort(error);
+	}
+
+	obj = fz_dictgets(xref->trailer, "Root");
+	if (!obj)
+		fz_abort(fz_throw("syntaxerror: missing Root object"));
+	error = pdf_loadindirect(&xref->root, xref, obj);
+	if (error) fz_abort(error);
+
+	obj = fz_dictgets(xref->trailer, "Info");
+	if (obj)
+	{
+		error = pdf_loadindirect(&xref->info, xref, obj);
+		if (error) fz_abort(error);
+	}
+
+	error = pdf_loadnametrees(xref);
+	if (error) fz_abort(error);
+
+	error = pdf_loadoutline(&outline, xref);
+	if (error) fz_abort(error);
+
+	doctitle = filename;
+	if (xref->info)
+	{
+		obj = fz_dictgets(xref->info, "Title");
+		if (obj)
+		{
+			error = pdf_toutf8(&doctitle, obj);
+			if (error) fz_abort(error);
+		}
+	}
+
+	if (outline)
+		pdf_debugoutline(outline, 0);
+
+	error = pdf_loadpagetree(&pages, xref);
+	if (error) fz_abort(error);
+
+	count = pdf_getpagecount(pages);
+
+	error = fz_newrenderer(&rast, pdf_devicergb, 0, 1024 * 512);
+	if (error) fz_abort(error);
+
+	image = nil;
+}
+
+static void dumptext()
+{
+	fz_error *error;
+	pdf_textline *line;
+
+	printf("----");
+
+	error = pdf_loadtextfromtree(&line, page->tree);
+	if (error)
+		fz_abort(error);
+
+	pdf_debugtextline(line);
+
+	pdf_droptextline(line);
+}
+
+static void gotouri(fz_obj *uri)
+{
+	char cmd[2048];
+	char buf[2048];
+
+	printf("goto uri: ");
+	fz_debugobj(uri);
+	printf("\n");
+
+	memcpy(buf, fz_tostrbuf(uri), fz_tostrlen(uri));
+	buf[fz_tostrlen(uri)] = 0;
+
+	if (getenv("BROWSER"))
+		sprintf(cmd, "$BROWSER %s &", buf);
+	else
+#ifdef WIN32
+		sprintf(cmd, "start %s", buf);
+#else
+		sprintf(cmd, "open %s", buf);
+#endif
+	system(cmd);
+}
+
+static void gotopage(fz_obj *obj)
+{
+	int oid = fz_tonum(obj);
+	int gen = fz_togen(obj);
+	int i;
+
+	printf("goto page: %d %d R\n", oid, gen);
+
+	for (i = 0; i < count; i++)
+	{
+		if (fz_tonum(pages->pref[i]) == oid)
+		{
+			if (histlen + 1 == 256)
+			{
+				memmove(hist, hist + 1, sizeof(int) * 255);
+				histlen --;
+			}
+			hist[histlen++] = pageno;
+			pageno = i + 1;
+			showpage();
+			return;
+		}
+	}
+}
+
+static void drawlinks(void)
+{
+	pdf_link *link;
+	fz_matrix ctm;
+	fz_point a, b, c, d;
+	fz_rect r;
+
+	ctm = fz_identity();
+	ctm = fz_concat(ctm, fz_translate(0, -page->mediabox.max.y));
+	ctm = fz_concat(ctm, fz_scale(zoom, -zoom));
+	ctm = fz_concat(ctm, fz_rotate(rotate + page->rotate));
+	ctm = fz_concat(ctm, fz_translate(-image->x, -image->y));
+
+	for (link = page->links; link; link = link->next)
+	{
+		r = link->rect;
+
+		a.x = r.min.x; a.y = r.min.y;
+		b.x = r.min.x; b.y = r.max.y;
+		c.x = r.max.x; c.y = r.max.y;
+		d.x = r.max.x; d.y = r.min.y;
+
+		a = fz_transformpoint(ctm, a);
+		b = fz_transformpoint(ctm, b);
+		c = fz_transformpoint(ctm, c);
+		d = fz_transformpoint(ctm, d);
+
+		XDrawLine(xdpy, xwin, xgc, a.x, a.y, b.x, b.y);
+		XDrawLine(xdpy, xwin, xgc, b.x, b.y, c.x, c.y);
+		XDrawLine(xdpy, xwin, xgc, c.x, c.y, d.x, d.y);
+		XDrawLine(xdpy, xwin, xgc, d.x, d.y, a.x, a.y);
+	}
+
+	XFlush(xdpy);
+}
+
+static void handlekey(int c)
+{
+	int oldpage = pageno;
+	float oldzoom = zoom;
+	int oldrotate = rotate;
+
+	if (c >= '0' && c <= '9')
+		pagebuf[pagebufidx++] = c;
+	else
+		if (c != 'g' && c != 'G')
+			pagebufidx = 0;
+
+	switch (c)
+	{
+	case 'd': fz_debugglyphcache(rast->cache); break;
+	case 'a': rotate -= 5; break;
+	case 's': rotate += 5; break;
+	case 'x': dumptext(); break;
+	case 'o': drawlinks(); break;
+
+	case '\b':
+	case 'b':
+		pageno--;
+		if (pageno < 1)
+			pageno = 1;
+		break;
+	case 'B':
+		pageno -= 10;
+		if (pageno < 1)
+			pageno = 1;
+		break;
+	case ' ':
+	case 'f':
+		pageno++;
+		if (pageno > count)
+			pageno = count;
+		break;
+	case 'F':
+		pageno += 10;
+		if (pageno > count)
+			pageno = count;
+		break;
+	case 'm':
+		if (histlen + 1 == 256)
+		{
+			memmove(hist, hist + 1, sizeof(int) * 255);
+			histlen --;
+		}
+		hist[histlen++] = pageno;
+		break;
+	case 't':
+	case 'T':
+		if (histlen > 0)
+			pageno = hist[--histlen];
+		break;
+	case '-':
+		zoom -= 0.1;
+		if (zoom < 0.1)
+			zoom = 0.1;
+		break;
+	case '+':
+		zoom += 0.1;
+		if (zoom > 3.0)
+			zoom = 3.0;
+		break;
+	case '<':
+		rotate -= 90;
+		break;
+	case '>':
+		rotate += 90;
+		break;
+	case 'q':
+		exit(0);
+	case 'g':
+	case 'G':
+		if (pagebufidx > 0)
+		{
+			pagebuf[pagebufidx] = '\0';
+			pageno = atoi(pagebuf);
+			pagebufidx = 0;
+			if (pageno < 1)
+				pageno = 1;
+			if (pageno > count)
+				pageno = count;
+		}
+		else
+		{
+			if (c == 'G')
+			{
+				pageno = count;
+			}
+		}
+		break;
+	}
+
+	if (pageno != oldpage || zoom != oldzoom || rotate != oldrotate)
+		showpage();
+}
+
+static void handlemouse(float x, int y, int btn)
+{
+	pdf_link *link;
+	fz_matrix ctm;
+	fz_point p;
+
+	p.x = x + image->x;
+	p.y = y + image->y;
+
+	ctm = fz_identity();
+	ctm = fz_concat(ctm, fz_translate(0, -page->mediabox.max.y));
+	ctm = fz_concat(ctm, fz_scale(zoom, -zoom));
+	ctm = fz_concat(ctm, fz_rotate(rotate + page->rotate));
+	ctm = fz_invertmatrix(ctm);
+
+	p = fz_transformpoint(ctm, p);
+
+	for (link = page->links; link; link = link->next)
+	{
+		if (p.x >= link->rect.min.x && p.x <= link->rect.max.x)
+			if (p.y >= link->rect.min.y && p.y <= link->rect.max.y)
+				break;
+	}
+
+	if (link)
+	{
+		XDefineCursor(xdpy, xwin, xchand);
+		if (btn)
+		{
+			if (fz_isstring(link->dest))
+				gotouri(link->dest);
+			if (fz_isindirect(link->dest))
+				gotopage(link->dest);
+		}
+	}
+	else
+	{
+		XDefineCursor(xdpy, xwin, xcarrow);
+	}
+}
+
+int main(int argc, char **argv)
+{
+	char *filename;
+	int c;
+
+	int benchmark = 0;
+	char *password = "";
+
+	while ((c = getopt(argc, argv, "bz:r:p:u:")) != -1)
+	{
+		switch (c)
+		{
+		case 'b': ++benchmark; break;
+		case 'u': password = optarg; break;
+		case 'p': pageno = atoi(optarg); break;
+		case 'z': zoom = atof(optarg); break;
+		case 'r': rotate = atoi(optarg); break;
+		default: usage();
+		}
+	}
+
+	if (argc - optind == 0)
+		usage();
+
+	fz_cpudetect();
+	fz_accelerate();
+
+	filename = argv[optind++];
+
+	xopen();
+	pdfopen(filename, password);
+	showpage();
+
+	if (benchmark)
+	{
+		while (pageno < count)
+		{
+			pageno ++;
+			showpage();
+		}
+		return 0;
+	}
+
+	while (1)
+	{
+		int len;
+		unsigned char buf[128];
+		KeySym keysym;
+
+		XNextEvent(xdpy, &xevt);
+		switch (xevt.type)
+		{
+		case Expose:
+			if (xevt.xexpose.count == 0)
+				xblit();
+			break;
+
+		case KeyPress:
+			len = XLookupString(&xevt.xkey, buf, sizeof buf, &keysym, 0);
+			if (len)
+				handlekey(buf[0]);
+			break;
+
+		case MotionNotify:
+			handlemouse(xevt.xbutton.x, xevt.xbutton.y, 0);
+			break;
+
+		case ButtonPress:
+			handlemouse(xevt.xbutton.x, xevt.xbutton.y, 1);
+			break;
+		}
+	}
+
+	pdf_closexref(xref);
+
+	return 0;
+}
+