fl_draw_image() on Mac OS and to a printer requires the image data to be kept until the

page is finished. Thus, we now duplicate this data when the output is a printer, so the
caller of the function does not have to take into account this Mac OS specificity.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@8349 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

FL/Fl_Paged_Device.H

@@ -107,13 +107,6 @@ public:
   /** \brief width, height and name of all elements of the enum \ref Page_Format.
    */
   static const page_format page_formats[NO_PAGE_FORMATS];  
-  
-#ifdef __APPLE__
-  struct chain_elt {
-    const uchar *data;
-    struct chain_elt *next;
-  };
-#endif
 private:
   void traverse(Fl_Widget *widget); // finds subwindows of widget and prints them
 protected:
@@ -121,11 +114,6 @@ protected:
   int x_offset;
   /** \brief vertical offset to the origin of graphics coordinates */
   int y_offset;
-#ifdef __APPLE__
-  struct chain_elt *image_list_; // chained list of images used in this page
-  void add_image(const uchar *data); // adds an image to the page image list
-  void delete_image_list(); // deletes the page image list
-#endif
   /** \brief The constructor */
   Fl_Paged_Device() : Fl_Surface_Device(NULL) {class_name( class_id);};
   /** \brief The destructor */

src/Fl_Paged_Device.cxx

@@ -141,35 +141,9 @@ void Fl_Paged_Device::print_window_part(Fl_Window *win, int x, int y, int w, int
   save_front->show();
   current->set_current();
   fl_draw_image(image_data, delta_x, delta_y, w, h, 3);
-#ifdef __APPLE__
-  add_image(image_data);
-#else
   delete image_data;
-#endif
 }
 
-
-#ifdef __APPLE__
-void Fl_Paged_Device::add_image(const uchar *data)
-{
-  struct chain_elt *elt =  (struct chain_elt *)calloc(sizeof(struct chain_elt), 1);
-  elt->data = data;
-  if (image_list_) { elt->next = image_list_; }
-  image_list_ = elt;
-}
-
-void Fl_Paged_Device::delete_image_list()
-{
-  while(image_list_) {
-    struct chain_elt *next = image_list_->next;
-    if (image_list_->data) delete (uchar*) image_list_->data; // msvc6 compilation fix
-    free(image_list_);
-    image_list_ = next;
-  }
-}
-#endif
-
-
 /**
  @brief Starts a print job.
  *

src/Fl_Quartz_Printer.mm

@@ -261,7 +261,6 @@ int Fl_System_Printer::start_page (void)
   angle = 0;
   scale_x = scale_y = 1;
   win_scale_x = win_scale_y = 1;
-  image_list_ = NULL;
   if(orientation == kPMPortrait)
     CGContextTranslateCTM(fl_gc, margins.left, margins.bottom + h);
   else
@@ -284,7 +283,6 @@ int Fl_System_Printer::end_page (void)
   CGContextRestoreGState(fl_gc);
   CGContextRestoreGState(fl_gc);
   OSStatus status = PMSessionEndPageNoDialog(printSession);
-  delete_image_list();
   gc = NULL;
   return status != noErr;
 }

src/fl_draw_image_mac.cxx

@@ -30,6 +30,7 @@
 #include <config.h>
 #include <FL/Fl.H>
 #include <FL/fl_draw.H>
+#include <FL/Fl_Printer.H>
 #include <FL/x.H>
 
 #define MAXBUFFER 0x40000 // 256k
@@ -39,7 +40,7 @@ static void dataReleaseCB(void *info, const void *data, size_t size)
   delete[] (uchar *)data;
 }
 
-/**
+/*
  * draw an image based on the input parameters
  *
  * buf:       image source data
@@ -63,10 +64,14 @@ static void innards(const uchar *buf, int X, int Y, int W, int H,
 
   const void *array = buf;
   uchar *tmpBuf = 0;
-  if (cb) {
+  if (cb || Fl_Surface_Device::surface()->class_name() == Fl_Printer::class_id) {
     tmpBuf = new uchar[ H*W*delta ];
-    for (int i=0; i<H; i++) {
-      cb(userdata, 0, i, W, tmpBuf+i*W*delta);
+    if (cb) {
+      for (int i=0; i<H; i++) {
+	cb(userdata, 0, i, W, tmpBuf+i*W*delta);
+      }
+    } else {
+      memcpy(tmpBuf, buf, H*W*delta);
     }
     array = (void*)tmpBuf;
     linedelta = W*delta;
@@ -86,7 +91,7 @@ static void innards(const uchar *buf, int X, int Y, int W, int H,
 						     size_t size
   );
 #endif  
-  CGDataProviderReleaseDataCallback releaseCB = ( cb ? dataReleaseCB : NULL);
+  CGDataProviderReleaseDataCallback releaseCB = ( tmpBuf ? dataReleaseCB : NULL);
   CGDataProviderRef src = CGDataProviderCreateWithData( 0L, array, linedelta*H, releaseCB);
   CGImageRef        img = CGImageCreate( W, H, 8, 8*delta, linedelta,
                             //lut, delta&1?kCGImageAlphaNone:kCGImageAlphaNoneSkipLast,