add wheel/gradical to vectorscope, tweak boxblur layout, chromakey booby fix

[goodguy/cinelerra.git] / cinelerra-5.1 / guicast / test6.C

diff --git a/cinelerra-5.1/guicast/test6.C b/cinelerra-5.1/guicast/test6.C
new file mode 100644 (file)
index 0000000..4ac6bae
--- /dev/null
+++ b/cinelerra-5.1/guicast/test6.C
@@ -0,0 +1,123 @@
+#include <stdio.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <math.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include "bcwindowbase.h"
+#include "bcwindow.h"
+#include "bcsignals.h"
+#include "bccolors.h"
+#include "clip.h"
+#include "fonts.h"
+#include "thread.h"
+#include "vframe.h"
+
+/*c++ -g -I/mnt1/build5/cinelerra-5.1/guicast x.C \
+  /mnt1/build5/cinelerra-5.1/guicast/x86_64/libguicast.a \
+  -DHAVE_GL -DHAVE_XFT -I/usr/include/freetype2 -lGL -lX11 -lXext \
+  -lXinerama -lXv -lpng  -lfontconfig -lfreetype -lXft -pthread */
+
+void wheel(VFrame *dst, float cx, float cy, float rad, int bg_color)
+{
+        int color_model = dst->get_color_model();
+        int bpp = BC_CModels::calculate_pixelsize(color_model);
+       int bg_r = (bg_color>>16) & 0xff;
+       int bg_g = (bg_color>> 8) & 0xff;
+       int bg_b = (bg_color>> 0) & 0xff;
+       int w = dst->get_w(), h = dst->get_h();
+       unsigned char **rows = dst->get_rows();
+       for( int y=0; y<h; ++y ) {
+               unsigned char *row = rows[y];
+               for( int x=0; x<w; ++x,row+=bpp ) {
+                       int dx = cx-x, dy = cy-y;
+                       float d = sqrt(dx*dx + dy*dy);
+                       float r, g, b;
+                       if( d < rad ) {
+                               float h = TO_DEG(atan2(cx-x, cy-y));
+                               if( h < 0 ) h += 360;
+                               float s = d / rad, v = 255;
+                               HSV::hsv_to_rgb(r, g, b, h, s, v);
+                       }
+                       else {
+                                r = bg_r; g = bg_g; b = bg_b;
+                       }
+                       row[0] = r; row[1] = g; row[2] = b;
+               }
+       }
+}
+
+class TestWindowGUI : public BC_Window
+{
+public:
+       VFrame *wfrm;
+       int bg;
+
+       TestWindowGUI(int x, int y, int w, int h);
+       ~TestWindowGUI();
+
+       void draw(int ww, int wh) {
+               delete wfrm;
+               wfrm = new VFrame(ww,wh,BC_RGB888);
+               float wr = bmin(ww, wh)/2.25;
+               int bg = get_bg_color();
+               wheel(wfrm, ww/2,wh/2, wr, bg);
+               draw_vframe(wfrm);
+               flash();
+       }
+       int resize_event(int w, int h) {
+               BC_WindowBase::resize_event(w, h);
+               draw(w, h);
+               return 0;
+       }
+};
+
+TestWindowGUI::
+TestWindowGUI(int x, int y, int w, int h)
+ : BC_Window("test", x,y, w,h, 100,100)
+{
+       wfrm = 0;
+       set_bg_color(0x885533);
+       lock_window("init");
+       clear_box(0,0,w,h);
+       flash();
+       unlock_window();
+}
+
+TestWindowGUI::
+~TestWindowGUI()
+{
+}
+
+
+class TestWindow : public Thread
+{
+       TestWindowGUI *gui;
+public:
+       TestWindow(int x, int y, int w, int h)
+        : Thread(1,0,0) {
+               gui = new TestWindowGUI(x,y, w,h);
+               gui->lock_window("init");
+               gui->resize_event(w, h);
+               gui->unlock_window();
+               start();
+       }
+       ~TestWindow() { delete gui; }
+       void run() { gui->run_window(); }
+       void close_window() { gui->close(0); }
+};
+
+
+int main(int ac, char **av)
+{
+       BC_Signals signals;
+       signals.initialize();
+       BC_WindowBase::init_resources(1.);
+       TestWindow test_window(100, 100, 256, 256);
+       test_window.join();
+       return 0;
+}
+