shithub: pdffs

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buffered pagerender

--- a/main.c

+++ b/main.c

@@ -21,7 +21,7 @@

 	Page p;

 	pageinit(&p);

 	if(pagerender(&p, page))

-		fprint(1, "%s\n", p.text);

+		write(1, p.buf.b, p.buf.sz);

 	pagefree(&p);

 }

--- a/op.c

+++ b/op.c

@@ -298,7 +298,8 @@

 	int d = arrayget(p->stack, 0)->num.d / 20;

 	while(d > 0){

 		d -= 1;

-		fprint(1, "\n");

+		if(bufput(&p->buf, (uchar*)"\n", 1) == -1)

+			sysfatal("OOM");

 	}

 	USED(op, p);

 	return 0;

@@ -345,10 +346,13 @@

 	Object *x, *y;

 	x = arrayget(p->stack, 0);

 	y = arrayget(p->stack, 1);

-	if(y->num.d != 0)

-		fprint(1, "\n");

+	if(y->num.d != 0){

+		if(bufput(&p->buf, (uchar*)"\n", 1) == -1)

+			sysfatal("OOM");

+	}

 	else if(x->num.d < 50)

-		fprint(1, " ");

+		if(bufput(&p->buf, (uchar*)" ", 1) == -1)

+			sysfatal("OOM");

 	USED(op, p);

 	return 0;

 }

@@ -364,7 +368,8 @@

 tpmove0(Op *op, Page *p)

 {

 	USED(op, p);

-	fprint(1, "\n");

+	if(bufput(&p->buf, (uchar*)"\n", 1) == -1)

+		sysfatal("OOM");

 	return 0;

 }

@@ -383,10 +388,14 @@

 	int i;

 	for(i = 0; i < arraylen(arr); i += 1){

 		o = arrayget(arr, i);

-		if(o->type == Ostr)

-			fprint(1, "%s", o->str);

-		else if(o->num.d < -150)

-			fprint(1, " ");

+		if(o->type == Ostr){

+			if(bufput(&p->buf, (uchar*)o->str, o->len) == -1)

+				sysfatal("OOM");

+		}

+		else if(o->num.d < -150){

+			if(bufput(&p->buf, (uchar*)" ", 1) == -1)

+				sysfatal("OOM");

+		}

 	}

 	USED(op);

 	return 0;

@@ -905,7 +914,7 @@

 void

 pageinit(Page *page)

 {

-	page->text = nil;

+	bufinit(&page->buf, 0, 0);

 	// Stack is per-content-stream, so we don't create it here

 	page->stack = nil;

 }

@@ -913,7 +922,7 @@

 void

 pagefree(Page *p)

 {

-	free(p->text);

+	buffree(&p->buf);

 	pdfobjfree(p->stack);

 }

@@ -963,7 +972,8 @@

 			}

 		}

 	}

-	fprint(1, "\n");

+	if(bufput(&p->buf, (uchar*)"\n", 1) == -1)

+		sysfatal("OOM");

 	Sclose(s);

 }

@@ -978,5 +988,5 @@

 			pagerendercontent(p, arrayget(content, i));

 	else if(content->type != Onull)

 		pagerendercontent(p, content);

-	return 0;

+	return 1;

 }

--- a/pdf.h

+++ b/pdf.h

@@ -24,11 +24,6 @@

 typedef struct Xref Xref;

 typedef struct Page Page;

-struct Page {

-	Object *stack;

-	char *text;

-};

-

 struct Buffer {

 	uchar *b;

 	int ro;

@@ -35,6 +30,11 @@

 	int maxsz;

 	int sz;

 	int off;

+};

+

+struct Page {

+	Object *stack;

+	Buffer buf;

 };

 struct Filter {