X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=pdf-tools.h;h=46430f4bd426d9f9835b5db7b6ba1ec6127dfa14;hb=ecef4671aafd32e3a00a834cdafa2c5af4bbb33c;hp=a4004d3d8c2e03dccdf9beed4a42bc4202d15875;hpb=0067f5b7bd14a37261df30bfcd5ca71ed2c1a38a;p=paperjam.git

diff --git a/pdf-tools.h b/pdf-tools.h
index a4004d3..46430f4 100644
--- a/pdf-tools.h
+++ b/pdf-tools.h
@@ -14,24 +14,10 @@
 
 /*** Basic macros and constants ***/
 
-#define UNUSED __attribute__((unused))
-#define FORMAT_CHECK(x,y,z) __attribute__((format(x,y,z)))
-#define NONRET __attribute__((noreturn))
-
 #define A4_WIDTH 595
 #define A4_HEIGHT 842
 static const double mm = 72/25.4;
 
-/*** Messages ***/
-
-void debug(const char *msg, ...) FORMAT_CHECK(printf, 1, 2);
-void warn(const char *msg, ...) FORMAT_CHECK(printf, 1, 2);
-void die(const char *msg, ...) FORMAT_CHECK(printf, 1, 2) NONRET;
-void bad(const char *msg, ...) FORMAT_CHECK(printf, 1, 2) NONRET;
-
-extern int debug_mode;
-extern int debug_indent;
-
 /*** Transformation matrices ***/
 
 struct pdf_matrix {
@@ -65,6 +51,13 @@ struct pdf_matrix {
 		m[5] = f;
 	}
 
+	void apply(double *px, double *py)
+	{
+		double x=*px, y=*py;
+		*px = m[0]*x + m[2]*y + m[4];
+		*py = m[1]*x + m[3]*y + m[5];
+	}
+
 	// A*B is a matrix which transforms first by A and then by B
 	pdf_matrix operator *(pdf_matrix y)
 	{
@@ -130,16 +123,17 @@ struct BBox {
 		x_min = 0, x_max = x;
 		y_min = 0, y_max = y;
 	}
-	BBox(QPDFObjectHandle box) {
-		if (!parse(box)) {
-			warn("Invalid bounding box, falling back to A4");
-			x_min = 0, x_max = A4_WIDTH;
-			y_min = 0, y_max = A4_HEIGHT;
-		}
-	}
+	BBox(QPDFObjectHandle box);
 	QPDFObjectHandle to_array();
+	string to_rect();
 	double width() { return x_max - x_min; }
 	double height() { return y_max - y_min; }
+	void transform(pdf_matrix &m);
+	BBox transformed(pdf_matrix &m);
+	void enlarge(double by);
+	BBox enlarged(double by);
+	void join(BBox &with);
+	void intersect(BBox &with);
 private:
 	bool parse(QPDFObjectHandle h);
 };
@@ -148,6 +142,6 @@ private:
 
 QPDFObjectHandle unicode_string(std::string s);
 QPDFObjectHandle page_to_xobject(QPDF *out, QPDFObjectHandle page);
+string pdf_coord(double x, uint digits=1);
 
 #endif
-