X-Git-Url: http://git.cinelerra-gg.org/git/?a=blobdiff_plain;f=cinelerra-5.1%2Fguicast%2Fvframe.C;h=293205821fc9090da5f1a4b136539cc26497c174;hb=5ec378f09aeeb646705fdb8035b39a186374fba0;hp=14794aa2b8aea07fb7a6e6eb64612238b3eef3fd;hpb=9fed7535470aa37781733db836068da3b4c17a0d;p=goodguy%2Fcinelerra.git

diff --git a/cinelerra-5.1/guicast/vframe.C b/cinelerra-5.1/guicast/vframe.C
index 14794aa2..29320582 100644
--- a/cinelerra-5.1/guicast/vframe.C
+++ b/cinelerra-5.1/guicast/vframe.C
@@ -73,11 +73,6 @@ VFrameScene::~VFrameScene()
 }
 
 
-
-
-
-
-
 //static BCCounter counter;
 
 VFramePng::VFramePng(unsigned char *png_data, double s)
@@ -282,6 +277,8 @@ int VFrame::reset_parameters(int do_opengl)
 	pixel_rgb = 0x000000; // BLACK
 	pixel_yuv = 0x008080;
 	stipple = 0;
+	clear_color = 0x000000;
+	clear_alpha = 0x00;
 
 	if(do_opengl)
 	{
@@ -827,6 +824,8 @@ int VFramePng::read_png(const unsigned char *data, long sz, double xscale, doubl
 		return 1;
 	}
 	int ww = w * xscale, hh = h * yscale;
+	if( ww < 1 ) ww = 1;
+	if( hh < 1 ) hh = 1;
 	if( ww != w || hh != h ) {
 		VFrame vframe(*this);
 		reallocate(NULL, -1, 0, 0, 0, ww, hh, color_model, -1);
@@ -913,10 +912,10 @@ void VFrame::write_ppm(VFrame *vfrm, const char *fmt, ...)
 	} \
 }
 
-int VFrame::clear_frame()
+void VFrame::black_frame()
 {
 	int sz = w * h;
-//printf("VFrame::clear_frame %d\n", __LINE__);
+//printf("VFrame::black_frame %d\n", __LINE__);
 	switch(color_model) {
 	case BC_COMPRESSED:
 		break;
@@ -984,7 +983,24 @@ int VFrame::clear_frame()
 		bzero(data, calculate_data_size(w, h, bytes_per_line, color_model));
 		break;
 	}
-	return 0;
+}
+
+void VFrame::set_clear_color(int color, int alpha)
+{
+	clear_color = color;
+	clear_alpha = alpha;
+}
+int VFrame::get_clear_color() { return clear_color; }
+int VFrame::get_clear_alpha() { return clear_alpha; }
+
+void VFrame::clear_frame()
+{
+	if( clear_color >= 0 &&
+	    !BC_CModels::init_color(clear_color, clear_alpha,
+			get_rows(), get_color_model(), get_y(), get_u(), get_v(),
+			0,0, get_w(),get_h(), get_bytes_per_line()) )
+		return;
+	black_frame();
 }
 
 void VFrame::rotate90()