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[goodguy/history.git] / cinelerra-5.1 / cinelerra / maskengine.C
index a9186daa09fefddd61181572d6f28a57c4e509d1..a8fd4acfec33b33674943ee3eafca5789b511fb4 100644 (file)
@@ -63,60 +63,30 @@ MaskUnit::~MaskUnit()
 
 #define OVERSAMPLE 8
 
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 void MaskUnit::draw_line_clamped(VFrame *frame, 
-       int &x1, 
-       int &y1, 
-       int x2, 
-       int y2,
-       unsigned char k)
+       int x1, int y1, int x2, int y2, unsigned char k)
 {
-       int draw_x1;
-       int draw_y1;
-       int draw_x2;
-       int draw_y2;
+       int draw_x1, draw_y1;
+       int draw_x2, draw_y2;
 
-       if(y2 < y1)
-       {
-               draw_x1 = x2;
-               draw_y1 = y2;
-               draw_x2 = x1;
-               draw_y2 = y1;
+       if(y2 < y1) {
+               draw_x1 = x2;  draw_y1 = y2;
+               draw_x2 = x1;  draw_y2 = y1;
        }
-       else
-       {
-               draw_x1 = x1;
-               draw_y1 = y1;
-               draw_x2 = x2;
-               draw_y2 = y2;
+       else {
+               draw_x1 = x1;  draw_y1 = y1;
+               draw_x2 = x2;  draw_y2 = y2;
        }
 
        unsigned char **rows = (unsigned char**)frame->get_rows();
 
-       if(draw_y2 != draw_y1)
-       {
+       if(draw_y2 != draw_y1) {
                float slope = ((float)draw_x2 - draw_x1) / ((float)draw_y2 - draw_y1);
                int w = frame->get_w() - 1;
                int h = frame->get_h();
 
-               for(float y = draw_y1; y < draw_y2; y++)
-               {
-                       if(y >= 0 && y < h)
-                       {
+               for(float y = draw_y1; y < draw_y2; y++) {
+                       if(y >= 0 && y < h) {
                                int x = (int)((y - draw_y1) * slope + draw_x1);
                                int y_i = (int)y;
                                int x_i = CLIP(x, 0, w);