Added better handling of failures loading icons, as Cairo generated exception were crashing app under windows. Minor fix to handling missing processing params to not alter the global defaults.

rtengine/image8.cc

@@ -0,0 +1,108 @@
+/*
+ *  This file is part of RawTherapee.
+ *
+ *  Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
+ *
+ *  RawTherapee is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ * 
+ *  RawTherapee is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with RawTherapee.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <image8.h>
+#include <rtengine.h>
+
+using namespace rtengine;
+
+
+Image8::Image8 () 
+  : width(-1), height(-1), data(NULL) {
+}
+
+Image8::Image8 (int w, int h) 
+  : width(w), height (h), data(NULL) {
+  
+    allocate (w, h);
+}
+
+void Image8::allocate (int width, int height) {
+
+    if (data!=NULL) 
+        delete [] data;
+  
+    data = new unsigned char [width * height * 3];
+    this->width = width;
+    this->height = height;
+}
+
+Image8::~Image8 () {
+  
+    if (data!=NULL) 
+        delete [] data;
+}
+
+void Image8::getScanline (int row, unsigned char* buffer, int bps) {
+
+    if (data==NULL)
+        return;
+
+    if (bps==8)
+        memcpy (buffer, data + row*width*3, width*3);
+    else if (bps==16) {
+        unsigned short* sbuffer = (unsigned short*) buffer;
+        for (int i=0, ix = row*width*3; i<width*3; i++, ix++)
+         sbuffer[i] =  data[ix] << 8;
+    }
+}
+
+void Image8::setScanline (int row, unsigned char* buffer, int bps) {
+
+    if (data==NULL)
+        return;
+
+    if (bps==8)
+        memcpy (data + row*width*3, buffer, width*3);
+    else if (bps==16) {
+        unsigned short* sbuffer = (unsigned short*) buffer;
+        for (int i=0, ix = row*width*3; i<width*3; i++, ix++)
+          data[ix] = sbuffer[i] >> 8;
+    }
+}
+
+unsigned char Image8::r (int row, int col) {
+
+    return data[3*(row*width+col)];
+}
+
+unsigned char Image8::g (int row, int col) {
+
+    return data[3*(row*width+col)+1];
+}
+
+unsigned char Image8::b (int row, int col) {
+
+    return data[3*(row*width+col)+2];
+}
+
+void Image8::r (int row, int col, unsigned char val) {
+
+    data[3*(row*width+col)] = val;
+}
+
+void Image8::g (int row, int col, unsigned char val) {
+
+    data[3*(row*width+col)+1] = val;
+}
+
+void Image8::b (int row, int col, unsigned char val) {
+
+    data[3*(row*width+col)+2] = val;
+}
+