Changeset 34627

Timestamp:

Oct 30, 2012, 2:51:40 PM (14 years ago)

Author:

watersc1

Message:

Add Mask overlay method that does the bitwise and of the inputs when both exist already.

File:

• branches/czw_branch/20120906/psLib/src/imageops/psImagePixelManip.c (modified) (3 diffs)

branches/czw_branch/20120906/psLib/src/imageops/psImagePixelManip.c

@@ -234 +234 @@
       pixelsOverlaid += (imageRowLimit - y0) * (imageColLimit - x0);    \
     }
+
+#define psImageOverlayLoopMask(DATATYPE) {                  \
+      for (int row=y0;row<imageRowLimit;row++) {            \
+        ps##DATATYPE* imageRow = image->data.DATATYPE[row];        \
+        ps##DATATYPE* overlayRow = overlay->data.DATATYPE[row-y0]; \
+        for (int col=x0;col<imageColLimit;col++) {                 \
+          if (!isfinite(imageRow[col])) {                          \
+            imageRow[col] = overlayRow[col-x0];            \
+          }                                                        \
+          else if (!isfinite(overlayRow[col-x0])) {                \
+            imageRow[col] = imageRow[col];                         \
+          }                                                        \
+          else {                                                   \
+            imageRow[col] &= overlayRow[col-x0];                   \
+          }                                                             \
+        }                                                               \
+      }                                                                 \
+      pixelsOverlaid += (imageRowLimit - y0) * (imageColLimit - x0);    \
+    }
         
     
@@ -295 +314 @@
     case 'E': \
       psImageOverlayLoopClean(DATATYPE,=); \
-      break;                           \
+      break;                               \
     case '/': \
         psImageOverlayLoopDivide(DATATYPE,BADVALUE); \
@@ -309 +328 @@
     } \
     break;
+    #define psImageOverlayCaseInt(DATATYPE,BADVALUE) \
+case PS_TYPE_##DATATYPE: \
+    switch (*op) { \
+    case '+': \
+        psImageOverlayLoop(DATATYPE,+=); \
+        break; \
+    case '-': \
+        psImageOverlayLoop(DATATYPE,-=); \
+        break; \
+    case '*': \
+        psImageOverlayLoop(DATATYPE,*=); \
+        break; \
+    case 'E': \
+      psImageOverlayLoopClean(DATATYPE,=); \
+      break;                               \
+    case 'M':                              \
+      psImageOverlayLoopMask(DATATYPE);    \
+      break;                               \
+    case '/': \
+        psImageOverlayLoopDivide(DATATYPE,BADVALUE); \
+        break; \
+    case '=': \
+        psImageOverlaySetLoop(DATATYPE);                \
+        break; \
+    default: \
+        psError(PS_ERR_BAD_PARAMETER_VALUE, true, \
+                _("Specified operation, '%s', is not supported."), \
+                op); \
+        return pixelsOverlaid; \
+    } \
+    break;
 
     switch (type) {
-        psImageOverlayCase(U8, 0);
-        psImageOverlayCase(U16,0);
-        psImageOverlayCase(U32,0);       // Not a requirement
-        psImageOverlayCase(U64,0);       // Not a requirement
-        psImageOverlayCase(S8, 0);
-        psImageOverlayCase(S16,0);
-        psImageOverlayCase(S32,0);       // Not a requirement
-        psImageOverlayCase(S64,0);       // Not a requirement
+        psImageOverlayCaseInt(U8, 0);
+        psImageOverlayCaseInt(U16,0);
+        psImageOverlayCaseInt(U32,0);       // Not a requirement
+        psImageOverlayCaseInt(U64,0);       // Not a requirement
+        psImageOverlayCaseInt(S8, 0);
+        psImageOverlayCaseInt(S16,0);
+        psImageOverlayCaseInt(S32,0);       // Not a requirement
+        psImageOverlayCaseInt(S64,0);       // Not a requirement
         psImageOverlayCase(F32,NAN);
         psImageOverlayCase(F64,NAN);