add adams 4.6->4.6.1 (mostly)

[goodguy/history.git] / cinelerra-5.0 / guicast / vframe.C

diff --git a/cinelerra-5.0/guicast/vframe.C b/cinelerra-5.0/guicast/vframe.C
index de53a068a70b95196007305093c722fefa91e905..d40d72709d925f01f8b893898904f7d11a87990f 100644 (file)
--- a/cinelerra-5.0/guicast/vframe.C
+++ b/cinelerra-5.0/guicast/vframe.C
@@ -1365,6 +1365,161 @@ int VFrame::get_memory_usage()
        return get_h() * get_bytes_per_line();
 }
 
+void VFrame::draw_pixel(int x, int y)
+{
+       if(!(x >= 0 && y >= 0 && x < get_w() && y < get_h())) return;
+
+#define DRAW_PIXEL(x, y, components, do_yuv, max, type) \
+{ \
+       type **rows = (type**)get_rows(); \
+       rows[y][x * components] = max - rows[y][x * components]; \
+       if(!do_yuv) \
+       { \
+               rows[y][x * components + 1] = max - rows[y][x * components + 1]; \
+               rows[y][x * components + 2] = max - rows[y][x * components + 2]; \
+       } \
+       else \
+       { \
+               rows[y][x * components + 1] = (max / 2 + 1) - rows[y][x * components + 1]; \
+               rows[y][x * components + 2] = (max / 2 + 1) - rows[y][x * components + 2]; \
+       } \
+       if(components == 4) \
+               rows[y][x * components + 3] = max; \
+}
+
+
+       switch(get_color_model())
+       {
+               case BC_RGB888:
+                       DRAW_PIXEL(x, y, 3, 0, 0xff, unsigned char);
+                       break;
+               case BC_RGBA8888:
+                       DRAW_PIXEL(x, y, 4, 0, 0xff, unsigned char);
+                       break;
+               case BC_RGB_FLOAT:
+                       DRAW_PIXEL(x, y, 3, 0, 1.0, float);
+                       break;
+               case BC_RGBA_FLOAT:
+                       DRAW_PIXEL(x, y, 4, 0, 1.0, float);
+                       break;
+               case BC_YUV888:
+                       DRAW_PIXEL(x, y, 3, 1, 0xff, unsigned char);
+                       break;
+               case BC_YUVA8888:
+                       DRAW_PIXEL(x, y, 4, 1, 0xff, unsigned char);
+                       break;
+               case BC_RGB161616:
+                       DRAW_PIXEL(x, y, 3, 0, 0xffff, uint16_t);
+                       break;
+               case BC_YUV161616:
+                       DRAW_PIXEL(x, y, 3, 1, 0xffff, uint16_t);
+                       break;
+               case BC_RGBA16161616:
+                       DRAW_PIXEL(x, y, 4, 0, 0xffff, uint16_t);
+                       break;
+               case BC_YUVA16161616:
+                       DRAW_PIXEL(x, y, 4, 1, 0xffff, uint16_t);
+                       break;
+       }
+}
+
+
+void VFrame::draw_line(int x1, int y1, int x2, int y2)
+{
+       int w = labs(x2 - x1);
+       int h = labs(y2 - y1);
+//printf("FindObjectMain::draw_line 1 %d %d %d %d\n", x1, y1, x2, y2);
+
+       if(!w && !h)
+       {
+               draw_pixel(x1, y1);
+       }
+       else
+       if(w > h)
+       {
+// Flip coordinates so x1 < x2
+               if(x2 < x1)
+               {
+                       y2 ^= y1;
+                       y1 ^= y2;
+                       y2 ^= y1;
+                       x1 ^= x2;
+                       x2 ^= x1;
+                       x1 ^= x2;
+               }
+               int numerator = y2 - y1;
+               int denominator = x2 - x1;
+               for(int i = x1; i <= x2; i++)
+               {
+                       int y = y1 + (int64_t)(i - x1) * (int64_t)numerator / (int64_t)denominator;
+                       draw_pixel(i, y);
+               }
+       }
+       else
+       {
+// Flip coordinates so y1 < y2
+               if(y2 < y1)
+               {
+                       y2 ^= y1;
+                       y1 ^= y2;
+                       y2 ^= y1;
+                       x1 ^= x2;
+                       x2 ^= x1;
+                       x1 ^= x2;
+               }
+               int numerator = x2 - x1;
+               int denominator = y2 - y1;
+               for(int i = y1; i <= y2; i++)
+               {
+                       int x = x1 + (int64_t)(i - y1) * (int64_t)numerator / (int64_t)denominator;
+                       draw_pixel(x, i);
+               }
+       }
+//printf("FindObjectMain::draw_line 2\n");
+}
+
+void VFrame::draw_rect(int x1, int y1, int x2, int y2)
+{
+       draw_line(x1, y1, x2, y1);
+       draw_line(x2, y1 + 1, x2, y2);
+       draw_line(x2 - 1, y2, x1, y2);
+       draw_line(x1, y2 - 1, x1, y1 + 1);
+}
+
+#define ARROW_SIZE 10
+void VFrame::draw_arrow(int x1, int y1, int x2, int y2)
+{
+       double angle = atan((float)(y2 - y1) / (float)(x2 - x1));
+       double angle1 = angle + (float)145 / 360 * 2 * 3.14159265;
+       double angle2 = angle - (float)145 / 360 * 2 * 3.14159265;
+       int x3;
+       int y3;
+       int x4;
+       int y4;
+       if(x2 < x1)
+       {
+               x3 = x2 - (int)(ARROW_SIZE * cos(angle1));
+               y3 = y2 - (int)(ARROW_SIZE * sin(angle1));
+               x4 = x2 - (int)(ARROW_SIZE * cos(angle2));
+               y4 = y2 - (int)(ARROW_SIZE * sin(angle2));
+       }
+       else
+       {
+               x3 = x2 + (int)(ARROW_SIZE * cos(angle1));
+               y3 = y2 + (int)(ARROW_SIZE * sin(angle1));
+               x4 = x2 + (int)(ARROW_SIZE * cos(angle2));
+               y4 = y2 + (int)(ARROW_SIZE * sin(angle2));
+       }
+
+// Main vector
+       draw_line(x1, y1, x2, y2);
+//     draw_line(x1, y1 + 1, x2, y2 + 1);
+
+// Arrow line
+       if(abs(y2 - y1) || abs(x2 - x1)) draw_line(x2, y2, x3, y3);
+// Arrow line
+       if(abs(y2 - y1) || abs(x2 - x1)) draw_line(x2, y2, x4, y4);
+}