--- /dev/null
+
+/*
+ * CINELERRA
+ * Copyright (C) 2008-2014 Adam Williams <broadcast at earthling dot net>
+ *
+ * This program 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef AFFINE_H
+#define AFFINE_H
+
+
+#include "affine.inc"
+#include "loadbalance.h"
+#include "vframe.inc"
+
+// Affine transform library
+
+#define AFFINE_OVERSAMPLE 2
+
+class AffineMatrix
+{
+public:
+ AffineMatrix();
+ void identity();
+ void translate(double x, double y);
+ void scale(double x, double y);
+// Result is put in dst
+ void multiply(AffineMatrix *dst);
+ void copy_from(AffineMatrix *src);
+ void invert(AffineMatrix *dst);
+ void transform_point(float x, float y, float *newx, float *newy);
+ double determinant();
+ void dump();
+ double values[3][3];
+};
+
+class AffinePackage : public LoadPackage
+{
+public:
+ AffinePackage();
+ int y1, y2;
+};
+
+class AffineUnit : public LoadClient
+{
+public:
+ AffineUnit(AffineEngine *server);
+ void process_package(LoadPackage *package);
+ void calculate_matrix(
+ double in_x1,
+ double in_y1,
+ double in_x2,
+ double in_y2,
+ double out_x1,
+ double out_y1,
+ double out_x2,
+ double out_y2,
+ double out_x3,
+ double out_y3,
+ double out_x4,
+ double out_y4,
+ AffineMatrix *result);
+ float transform_cubic(float dx,
+ float jm1,
+ float j,
+ float jp1,
+ float jp2);
+ AffineEngine *server;
+};
+
+class AffineEngine : public LoadServer
+{
+public:
+ AffineEngine(int total_clients,
+ int total_packages);
+
+// Range of coords is 0 to 100 for coordinates in the image.
+// The coordinate locations are clockwise around the image.
+ void process(VFrame *output,
+ VFrame *input,
+ VFrame *temp,
+ int mode,
+ float x1,
+ float y1,
+ float x2,
+ float y2,
+ float x3,
+ float y3,
+ float x4,
+ float y4,
+ int forward);
+// Do rotation with the affine/perspective transform.
+// This removes some of the extremely faint artifacts in the trig rotation.
+ void rotate(VFrame *output,
+ VFrame *input,
+ float angle);
+ void set_matrix(AffineMatrix *matrix);
+// Set the viewport to transform. The transform is based on the input viewport.
+// The output viewport clips the transformed output.
+ void set_in_viewport(int x, int y, int w, int h);
+// Only used by motion tracker. Not used in OpenGL.
+ void set_out_viewport(int x, int y, int w, int h);
+
+// Set the viewport for both input and output. Removed in HV 4.5.
+// Compatibility function introduced to avoid having to rewrite old
+// plugins. Should be removed when no plugin uses it any more.
+ void set_viewport(int x, int y, int w, int h);
+// For rotation, set the pivot point. Also affects output in OpenGL.
+// The default is in the middle of the viewport.
+ void set_in_pivot(int x, int y);
+// Set the pivot point in the output. Only used by motion tracker.
+ void set_out_pivot(int x, int y);
+// Set the pivot point for both input and output. Removed in HV 4.5.
+// Compatibility function introduced to avoid having to rewrite old
+// plugins.
+ void set_pivot(int x, int y);
+// Never used
+ void unset_pivot();
+ void unset_viewport();
+// To use OpenGL for the processing, set to 1
+ void set_opengl(int value);
+ void init_packages();
+ LoadClient* new_client();
+ LoadPackage* new_package();
+
+
+ VFrame *input, *output, *temp;
+ int mode;
+ enum
+ {
+ PERSPECTIVE,
+ SHEER,
+ STRETCH,
+ ROTATE,
+// multiply directly by a matrix.
+ TRANSFORM
+ };
+
+// arbitrary matrix
+ AffineMatrix matrix;
+// Transformation coordinates
+ float x1, y1, x2, y2, x3, y3, x4, y4;
+// Viewport coordinates
+ int in_x, in_y, in_w, in_h;
+ int out_x, out_y, out_w, out_h;
+// Pivot coordinates
+ int in_pivot_x, in_pivot_y;
+ int out_pivot_x, out_pivot_y;
+ int user_in_pivot;
+ int user_out_pivot;
+ int user_in_viewport;
+ int user_out_viewport;
+ int forward;
+ int use_opengl;
+ int total_packages;
+};
+
+
+
+#endif
projects / goodguy / history.git / blobdiff