Changeset 1303

Timestamp:

11/05/07 13:49:06 (12 months ago)

Author:

calvin

Message:

pattern editor redraw optimizations

Files:

• trunk/src/buzelib/PatternEditor/PatternEditorInner.cpp (modified) (2 diffs)

trunk/src/buzelib/PatternEditor/PatternEditorInner.cpp

@@ -109 +109 @@
         int firscliprow = dc.m_rc.top / font_size.cy;
 
+        int firstclipcol = ScreenUnitsToCursorColumn(dc.m_rc.left / font_size.cx + scroll.x);
+        if (firstclipcol == -1) firstclipcol = cursor_columns.size() - 1;
+
+        if (firstclipcol > 0)
+                firstclipcol = cursor_columns[firstclipcol - 1].column; else
+                firstclipcol = 0;
+
+        int lastclipcol = ScreenUnitsToCursorColumn(dc.m_rc.right / font_size.cx + scroll.x);
+        if (lastclipcol == -1) lastclipcol = cursor_columns.size() - 1;
+
+        if (lastclipcol > 0)
+                lastclipcol = cursor_columns[lastclipcol].column; else
+                lastclipcol = 0;
+        if (lastclipcol >= columns.size())
+                lastclipcol = columns.size() - 1;
+
         for (int i = firscliprow; i <= cliprows && i+scroll.y < rows; i++) {
                 int src_y = (i + scroll.y) * font_size.cy;
@@ -124 +140 @@
                         bkcol = colors[PE_BG];
 
-                for (int j = 0; j<columns.size(); j++) {
+                for (int j = firstclipcol; j <= lastclipcol; j++) {
                         dc.SetBkColor(bkcol);