Automatic page rotation based on the /Rotate key

[paperjam.git] / jam.h

diff --git a/jam.h b/jam.h
index 5ee7620d050cd28163062943431bc127b3bda4ad..33626040cc3ed58bd70349406f3a0480e7b1d0d9 100644 (file)
--- a/jam.h
+++ b/jam.h
@@ -1,7 +1,7 @@
 /*
  *     PaperJam -- Common declarations
  *
- *     (c) 2018 Martin Mares <mj@ucw.cz>
+ *     (c) 2018--2022 Martin Mares <mj@ucw.cz>
  */
 
 #include <vector>
@@ -27,6 +27,13 @@ static inline bool is_equal(double x, double y)
   return is_zero(x-y);
 }
 
+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;
+
+// This one is called during execution of commands and propagated as an exception
+void err(const char *msg, ...) FORMAT_CHECK(printf, 1, 2) NONRET;
+
 #include "pdf-tools.h"
 
 /*** Representation of commands ***/
@@ -79,6 +86,7 @@ struct page {
   double height;
   BBox image_box;      // Bounds useful contents
   virtual void render(out_context *out UNUSED, pdf_matrix xform UNUSED) { abort(); }
+  virtual void debug_dump() = 0;
   page(double _w=0, double _h=0) : index(0), width(_w), height(_h), image_box() { }
   page(page *p)
     {
@@ -91,6 +99,7 @@ struct page {
 
 struct empty_page : public page {
   void render(out_context *out UNUSED, pdf_matrix xform UNUSED) { }
+  void debug_dump() { debug("Empty page"); }
   empty_page(double _w=0, double _h=0) : page(_w, _h) { };
 };
 
@@ -143,13 +152,7 @@ extern const char *in_name, *out_name;
 extern bool recalc_bbox;
 extern int debug_level;
 extern int debug_indent;
-
-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;
-
-// This one is called during execution of commands and propagated as an exception
-void err(const char *msg, ...) FORMAT_CHECK(printf, 1, 2) NONRET;
+extern bool no_auto_transforms;
 
 class paperjam_error : public exception {
   string message;
@@ -173,3 +176,13 @@ void debug_pages(vector<page *> &pages);
 void process(list<cmd *> &cmds);
 vector<page *> run_command_list(list<cmd *> &cmds, vector<page *> &pages);
 vector<BBox> gs_bboxes(const char *in);
+
+class xform_page : public page {
+  page *orig_page;
+  pdf_matrix xform;
+  const char *description;
+public:
+  void render(out_context *out, pdf_matrix xform) override;
+  void debug_dump() override;
+  xform_page(page *p, const char *desc, pdf_matrix xf);
+};