From 3a9cf20b438e9ffd4be63d24d165cca840738c50 Mon Sep 17 00:00:00 2001
From: Martin Mares <mj@ucw.cz>
Date: Fri, 6 Apr 2018 23:03:37 +0200
Subject: [PATCH] "draw-bbox" replaced by "debug"

---
 cmds.cc | 67 +++++++++++++++++++++++++++++++++++++--------------------
 1 file changed, 44 insertions(+), 23 deletions(-)

diff --git a/cmds.cc b/cmds.cc
index b6c8eed..802e193 100644
--- a/cmds.cc
+++ b/cmds.cc
@@ -230,8 +230,12 @@ public:
 // Colors
 
 class color_spec {
-  double rgb[3];
 public:
+  double rgb[3];
+  color_spec()
+    {
+      rgb[0] = rgb[1] = rgb[2] = 0;
+    }
   color_spec(string s)
     {
       if (s.length() != 6)
@@ -261,6 +265,7 @@ public:
 // Cropmarks
 
 class cropmark_spec {
+public:
   enum mark_type {
     MARK_NONE,
     MARK_BOX,
@@ -272,10 +277,15 @@ class cropmark_spec {
   double pen_width;
   double arm_length;
   double offset;
-  string crop_cross(double x, double y, uint mask);
-  QPDFObjectHandle egstate;
   color_spec color;
-public:
+  cropmark_spec()
+    {
+      type = MARK_NONE;
+      pen_width = 0.2;
+      arm_length = 5*mm;
+      offset = 0;
+      egstate = QPDFObjectHandle::newNull();
+    }
   cropmark_spec(cmd *c, const string prefix="", const string def_type="cross") : color(c->arg(prefix + "color")->as_string("000000"))
     {
       string t = c->arg(prefix + "mark")->as_string(def_type);
@@ -301,6 +311,9 @@ public:
     }
   bool is_bg() { return (type == MARK_BG); }
   string pdf_stream(out_context *out, BBox &box, pdf_matrix &xform);
+private:
+  string crop_cross(double x, double y, uint mask);
+  QPDFObjectHandle egstate;
 };
 
 string cropmark_spec::crop_cross(double x, double y, uint mask)
@@ -695,35 +708,43 @@ static const arg_def modulo_args[] = {
   { NULL,	0 }
 };
 
-/*** draw-bbox ***/
+/*** debug ***/
 
-class draw_bbox_page : public page {
+class debug_page : public page {
   page *orig_page;
+  cropmark_spec *page_cm, *image_cm;
 public:
-  void render(out_context *out, pdf_matrix xform) override;
-  draw_bbox_page(page *p) : page(p) { orig_page = p; }
+  debug_page(page *p, cropmark_spec *page_cms, cropmark_spec *image_cms) : page(p), orig_page(p), page_cm(page_cms), image_cm(image_cms) { }
+  void render(out_context *out, pdf_matrix xform) override
+    {
+      orig_page->render(out, xform);
+      BBox page_bbox = BBox(0, 0, width, height);
+      out->contents += page_cm->pdf_stream(out, page_bbox, xform);
+      out->contents += image_cm->pdf_stream(out, image_box, xform);
+    }
 };
 
-class draw_bbox_cmd : public cmd_exec_simple {
+class debug_cmd : public cmd_exec_simple {
+  cropmark_spec page_cmarks;
+  cropmark_spec image_cmarks;
 public:
-  draw_bbox_cmd(cmd *c UNUSED) { }
+  debug_cmd(cmd *c UNUSED)
+    {
+      page_cmarks.type = cropmark_spec::MARK_BOX;
+      page_cmarks.color.rgb[0] = 1;
+      page_cmarks.color.rgb[1] = 0;
+      page_cmarks.color.rgb[2] = 0;
+      image_cmarks.type = cropmark_spec::MARK_BOX;
+      image_cmarks.color.rgb[0] = 0;
+      image_cmarks.color.rgb[1] = 1;
+      image_cmarks.color.rgb[2] = 0;
+    }
   page *process_page(page *p) override
     {
-      return new draw_bbox_page(p);
+      return new debug_page(p, &page_cmarks, &image_cmarks);
     }
 };
 
-void draw_bbox_page::render(out_context *out, pdf_matrix xform)
-{
-  orig_page->render(out, xform);
-  out->contents +=
-     "q " +
-     xform.to_string() + " cm " +
-     "0 1 0 RG " +
-     image_box.to_rect() + " re S " +
-     "Q ";
-}
-
 /*** merge ***/
 
 class merge_cmd : public cmd_exec {
@@ -1375,7 +1396,7 @@ const cmd_def cmd_table[] = {
   { "select",	no_args,	1,	&ctor<select_cmd>	},
   { "apply",	no_args,	1,	&ctor<apply_cmd>	},
   { "modulo",	modulo_args,	1,	&ctor<modulo_cmd>	},
-  { "draw-bbox",no_args,	0,	&ctor<draw_bbox_cmd>	},
+  { "debug",	no_args,	0,	&ctor<debug_cmd>	},
   { "merge",	no_args,	0,	&ctor<merge_cmd>	},
   { "paper",	paper_args,	0,	&ctor<paper_cmd>	},
   { "scaleto",	scaleto_args,	0,	&ctor<scaleto_cmd>	},
-- 
2.39.2