gem (1:0.93.3-5) avoid_imagecopy.patch

Author: IOhannes m zmölnig
Description: avoid 'bogus pointer' warnings in [pix_rtx]
Applied-Upstream: 0.93.4
--- gem.orig/src/Pixes/pix_rtx.cpp
+++ gem/src/Pixes/pix_rtx.cpp
@@ -20,7 +20,7 @@
 // pix_rtx
 //
 // this the RealTimeX - transformator, that does  a kind of swapping the time and the x axis
-// of a video (or any series of pictures) ON THE FLY 
+// of a video (or any series of pictures) ON THE FLY
 //
 // for more information, on how this works, look at
 // http://umlaeute.mur.at/rtx
@@ -49,7 +49,7 @@
 //
 /////////////////////////////////////////////////////////
 pix_rtx :: pix_rtx()
-{ 
+{
    imageStruct image;
 
    image.xsize  = image.ysize = 64;
@@ -78,7 +78,7 @@
 // CreateBuffer
 //
 /////////////////////////////////////////////////////////
-void pix_rtx :: create_buffer(imageStruct image)
+void pix_rtx :: create_buffer(const imageStruct&image)
 {
    size_t dataSize = image.xsize * image.xsize * image.ysize * image.csize * sizeof(unsigned char); // only 1 channel !!, to keep data-size handy
 
@@ -127,7 +127,7 @@
    size_t pixsize = image.ysize * image.xsize;
    int cols=image.xsize, c=0, c1=0;
    int rows=image.ysize, r=0;
-   
+
    unsigned char *pixels = image.data;
    unsigned char *wp;			// write pointer
    unsigned char *rp;			// read pointer
@@ -136,7 +136,7 @@
    if (!set_buffer) {
      wp = buffer.data + pixsize * buffer.csize * bufcount;
      memcpy(wp, pixels, pixsize * buffer.csize * sizeof(unsigned char));
-   } else { 
+   } else {
      // fill the buffer with the current frame
      // this might be useful to prevent the black screen in the beginning.
      // "set" message
@@ -158,7 +158,7 @@
        while (r < rows) {
 	 rp = buffer.data + buffer.csize * (buffer.xsize * buffer.ysize * c + buffer.xsize * r + (bufcount - c + cols) % cols );
 	 pixels = image.data + image.csize * (image.xsize * r + cols - c1);
-	 
+
 	 *pixels   = *rp;
 	 r++;
        }
@@ -172,7 +172,7 @@
        while (r < rows) {
 	 rp = buffer.data + buffer.csize * (buffer.xsize * buffer.ysize * c + buffer.xsize * r + (bufcount - c + cols) % cols );
 	 pixels = image.data + image.csize * (image.xsize * r + cols - c1);
-	 
+
 	 pixels[0]  = rp[0];
 	 pixels[1]  = rp[1];
 	 r++;
@@ -187,12 +187,12 @@
        while (r < rows) {
 	 rp = buffer.data + buffer.csize * (buffer.xsize * buffer.ysize * c + buffer.xsize * r + (bufcount - c + cols) % cols );
 	 pixels = image.data + image.csize * (image.xsize * r + cols - c1);
-	 
+
 	 pixels[chRed]   = rp[chRed];
 	 pixels[chBlue]  = rp[chBlue];
 	 pixels[chGreen] = rp[chGreen];
 	 pixels[chAlpha] = rp[chAlpha];
-	 
+
 	 r++;
        }
        r=0;
--- gem.orig/src/Pixes/pix_rtx.h
+++ gem/src/Pixes/pix_rtx.h
@@ -3,7 +3,7 @@
 GEM - Graphics Environment for Multimedia
 
   Change rtx-transform a series of images (eg: a video or a film)
-  
+
     Copyright (c) 1997-1999 Mark Danks. mark@danks.org
     Copyright (c) Günther Geiger. geiger@epy.co.at
     Copyright (c) 2001-2011 IOhannes m zmölnig. forum::für::umläute. IEM. zmoelnig@iem.at
@@ -14,15 +14,15 @@
 
   rtx-transform a series of pictures (especially movies, videos,...)
   you have to use pix_film instead of pix_movie to make this work with prerecorded videos
-  
+
   2803:forum::für::umläute:2000
   0409:forum::für::umläute:2000
   1801:forum::für::umläute:2001  added the second mode
   IOhannes m zmoelnig
   mailto:zmoelnig@iem.kug.ac.at
-	
+
   this code is published under the Gnu GeneralPublicLicense that should be distributed with gem & pd
-	  
+
 -----------------------------------------------------------------*/
 
 #ifndef _INCLUDE__GEM_PIXES_PIX_RTX_H_
@@ -37,47 +37,47 @@
 
   KEYWORDS
   pix
-  
+
 	DESCRIPTION
-	
+
 -----------------------------------------------------------------*/
 class GEM_EXTERN pix_rtx : public GemPixObj
 {
     CPPEXTERN_HEADER(pix_rtx, GemPixObj);
-		
+
 public:
-	
+
 	//////////
 	// Constructor
 	pix_rtx();
-	
+
 protected:
-	
+
 	//////////
 	// Destructor
 	virtual ~pix_rtx();
-	
+
 	//////////
 	// create a buffer that fits to the current imageSize
-	virtual void   create_buffer(imageStruct image);
-	
+	virtual void   create_buffer(const imageStruct&image);
+
 	//////////
 	// delete the buffer
 	virtual void   delete_buffer();
-	
+
 	//////////
 	// clear the buffer
 	virtual void   clear_buffer();
-	
+
 	//////////
 	// Do the processing
 	virtual void 	processImage(imageStruct &image);
-	
+
 	//////////
 	// the huge double buffer and other tx-formation
 	imageStruct    buffer;
 	int            bufcount;    // where to read/write
-	
+
 	//////////
 	// the rtx-mode
 	bool			 mode;
@@ -85,13 +85,13 @@
 	//////////
 	// fill buffer with current pixbuff ?
 	bool                     set_buffer;
-	
+
 	//////////
 	// the methods
 	static void modeMessCallback(void *data, t_floatarg newmode);
 	static void clearMessCallback(void *data);
 	static void setMessCallback(void *data);
-	
+
 };
 
 #endif	// for header file