From fb0a27f9accf3a054573a220bf1b449f697a1355 Mon Sep 17 00:00:00 2001
From: bulia byak <buliabyak@gmail.com>
Date: Tue, 14 Nov 2006 00:43:28 +0000
Subject: patch 1591723 for extra tracing parameters

(bzr r1948)
---
 src/trace/potrace/inkscape-potrace.cpp | 23 +++++++---------
 src/trace/potrace/inkscape-potrace.h   | 49 +++++++++++++++++++++++++++++++---
 2 files changed, 56 insertions(+), 16 deletions(-)

(limited to 'src/trace')

diff --git a/src/trace/potrace/inkscape-potrace.cpp b/src/trace/potrace/inkscape-potrace.cpp
index 404d25d3a..e36673e4f 100644
--- a/src/trace/potrace/inkscape-potrace.cpp
+++ b/src/trace/potrace/inkscape-potrace.cpp
@@ -3,8 +3,9 @@
  *
  * Authors:
  *   Bob Jamison <rjamison@titan.com>
+ *   Stéphane Gimenez <dev@gim.name>
  *
- * Copyright (C) 2004 Bob Jamison
+ * Copyright (C) 2004-2006 Authors
  *
  * Released under GNU GPL, read the file 'COPYING' for more information
  *
@@ -70,18 +71,23 @@ namespace Potrace {
  */
 PotraceTracingEngine::PotraceTracingEngine()
 {
+    /* get default parameters */
+    potraceParams = potrace_param_default();
+    potraceParams->progress.callback = potraceStatusCallback;
+    potraceParams->progress.data = (void *)this;
 
     //##### Our defaults
     invert    = false;
     traceType = TRACE_BRIGHTNESS;
-
     quantizationNrColors = 8;
-
     brightnessThreshold  = 0.45;
-
     cannyHighThreshold   = 0.65;
 
+}
 
+PotraceTracingEngine::~PotraceTracingEngine()
+{
+    potrace_param_free(potraceParams);
 }
 
 
@@ -366,13 +372,6 @@ PotraceTracingEngine::preview(Glib::RefPtr<Gdk::Pixbuf> thePixbuf)
 std::string
 PotraceTracingEngine::grayMapToPath(GrayMap *grayMap, long *nodeCount)
 {
-
-    /* get default parameters */
-    potrace_param_t *potraceParams = potrace_param_default();
-
-    potraceParams->progress.callback = potraceStatusCallback;
-    potraceParams->progress.data     = (void *)this;
-
     potrace_bitmap_t *potraceBitmap = bm_new(grayMap->width, grayMap->height);
     bm_clear(potraceBitmap, 0);
 
@@ -410,7 +409,6 @@ PotraceTracingEngine::grayMapToPath(GrayMap *grayMap, long *nodeCount)
         {
         g_warning("aborted");
         potrace_state_free(potraceState);
-        potrace_param_free(potraceParams);
         return "";
         }
 
@@ -424,7 +422,6 @@ PotraceTracingEngine::grayMapToPath(GrayMap *grayMap, long *nodeCount)
 
     /* free a potrace items */
     potrace_state_free(potraceState);
-    potrace_param_free(potraceParams);
 
     if (!keepGoing)
         return "";
diff --git a/src/trace/potrace/inkscape-potrace.h b/src/trace/potrace/inkscape-potrace.h
index f3459159f..838a1363a 100644
--- a/src/trace/potrace/inkscape-potrace.h
+++ b/src/trace/potrace/inkscape-potrace.h
@@ -3,8 +3,9 @@
  *
  * Authors:
  *   Bob Jamison <rjamison@titan.com>
+ *   Stéphane Gimenez <dev@gim.name>
  *
- * Copyright (C) 2004 Bob Jamison
+ * Copyright (C) 2004-2006 Authors
  *
  * Released under GNU GPL, read the file 'COPYING' for more information
  *
@@ -20,6 +21,8 @@
 #include <trace/trace.h>
 #include <trace/imagemap.h>
 
+#include "potracelib.h"
+
 namespace Inkscape {
 
 namespace Trace {
@@ -50,8 +53,47 @@ class PotraceTracingEngine : public TracingEngine
     /**
      *
      */
-    virtual ~PotraceTracingEngine()
-        {}
+    ~PotraceTracingEngine();
+
+
+    /**
+     * Sets/gets potrace parameters
+     */
+    void setParamsTurdSize(int val)
+        {
+        potraceParams->turdsize = val;
+        }
+    int getParamsTurdSize()
+        {
+        return potraceParams->turdsize;
+        }
+
+    void setParamsAlphaMax(double val)
+        {
+        potraceParams->alphamax = val;
+        }
+    double getParamsAlphaMax()
+        {
+        return potraceParams->alphamax;
+        }
+
+    void setParamsOptiCurve(bool val)
+        {
+        potraceParams->opticurve = val;
+        }
+    bool getParamsOptiCurve()
+        {
+        return potraceParams->opticurve;
+        }
+
+    void setParamsOptTolerance(double val)
+        {
+        potraceParams->opttolerance = val;
+        }
+    double getParamsOptTolerance()
+        {
+        return potraceParams->opttolerance;
+        }
 
     void setTraceType(TraceType val)
         {
@@ -199,6 +241,7 @@ class PotraceTracingEngine : public TracingEngine
 
     private:
 
+    potrace_param_t *potraceParams;
     TraceType traceType;
 
     //## do i invert at the end?
-- 
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