add window layout feature, resource wdw select used, blue_dot/blond_cv theme fix...

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

diff --git a/cinelerra-5.1/guicast/vframe.C b/cinelerra-5.1/guicast/vframe.C
index 3eca676452ca8536fa3f78993e68a24bf35fd9a1..76d6ae1d0e024521626e5143ab75a0ab9b5dfe8f 100644 (file)
--- a/cinelerra-5.1/guicast/vframe.C
+++ b/cinelerra-5.1/guicast/vframe.C
@@ -44,7 +44,7 @@ class PngReadFunction
 {
 public:
        static void png_read_function(png_structp png_ptr,
-                  png_bytep data, png_size_t length)
+                       png_bytep data, png_size_t length)
        {
                VFrame *frame = (VFrame*)png_get_io_ptr(png_ptr);
                if(frame->image_size - frame->image_offset < (long)length)
@@ -388,6 +388,15 @@ int VFrame::get_keyframe()
        return is_keyframe;
 }
 
+void VFrame::get_temp(VFrame *&vfrm, int w, int h, int color_model)
+{
+       if( vfrm && ( vfrm->get_w() != w || vfrm->get_h() != h ) ) {
+               delete vfrm;  vfrm = 0;
+       }
+       if( !vfrm ) vfrm = new VFrame(w, h, color_model, 0);
+}
+
+
 
 VFrameScene* VFrame::get_scene()
 {
@@ -819,7 +828,7 @@ int VFramePng::read_png(const unsigned char *data, long sz, double xscale, doubl
        int ww = w * xscale, hh = h * yscale;
        if( ww != w || hh != h ) {
                VFrame vframe(*this);
-                reallocate(NULL, -1, 0, 0, 0, ww, hh, color_model, -1);
+               reallocate(NULL, -1, 0, 0, 0, ww, hh, color_model, -1);
                transfer_from(&vframe);
        }
        return 0;
@@ -865,6 +874,28 @@ int VFrame::write_png(const char *path)
        return 0;
 }
 
+void VFrame::write_ppm(VFrame *vfrm, const char *fmt, ...)
+{
+       va_list ap;
+       va_start(ap, fmt);
+       char fn[BCTEXTLEN];
+       vsnprintf(fn, sizeof(fn), fmt, ap);
+       va_end(ap);
+       FILE *fp = fopen(fn,"w");
+       if( !fp ) { perror("write_ppm"); return; }
+       VFrame *frm = vfrm;
+       if( frm->get_color_model() != BC_RGB888 ) {
+               frm = new VFrame(frm->get_w(), frm->get_h(), BC_RGB888);
+               frm->transfer_from(vfrm);
+       }
+       int w = frm->get_w(), h = frm->get_h();
+       fprintf(fp,"P6\n%d %d\n255\n",w,h);
+       unsigned char **rows = frm->get_rows();
+       for( int i=0; i<h; ++i ) fwrite(rows[i],3,w,fp);
+       fclose(fp);
+       if( frm != vfrm ) delete frm;
+}
+
 
 #define ZERO_YUV(components, type, max) \
 { \
@@ -1341,14 +1372,16 @@ int VFrame::get_memory_usage()
        return get_h() * get_bytes_per_line();
 }
 
-void VFrame::set_pixel_color(int rgb)
+// rgb component colors (eg. from colors.h)
+// a (~alpha) transparency, 0x00==solid .. 0xff==transparent
+void VFrame::set_pixel_color(int rgb, int a)
 {
-       pixel_rgb = rgb;
+       pixel_rgb = (rgb&0xffffff) | ~a<<24;
        int ir = 0xff & (pixel_rgb >> 16);
        int ig = 0xff & (pixel_rgb >> 8);
        int ib = 0xff & (pixel_rgb >> 0);
        YUV::yuv.rgb_to_yuv_8(ir, ig, ib);
-       pixel_yuv =  (ir<<16) | (ig<<8) | (ib<<0);
+       pixel_yuv =  (~a<<24) | (ir<<16) | (ig<<8) | (ib<<0);
 }
 
 void VFrame::set_stiple(int mask)
@@ -1360,49 +1393,52 @@ int VFrame::draw_pixel(int x, int y)
 {
        if( x < 0 || y < 0 || x >= get_w() || y >= get_h() ) return 1;
 
-#define DRAW_PIXEL(type, r, g, b) { \
+#define DRAW_PIXEL(type, r, g, b, comps, a) { \
        type **rows = (type**)get_rows(); \
-       rows[y][x * components + 0] = r; \
-       rows[y][x * components + 1] = g; \
-       rows[y][x * components + 2] = b; \
-       if( components == 4 ) \
-               rows[y][x * components + 3] = mx; \
-}
-       int components = BC_CModels::components(color_model);
-       int bch = BC_CModels::calculate_pixelsize(color_model) / components;
-       int sz = 8*bch, mx = BC_CModels::is_float(color_model) ? 1 : (1<<sz)-1;
-       int is_yuv = BC_CModels::is_yuv(color_model);
-       int pixel_color = is_yuv ? pixel_yuv : pixel_rgb;
-       int ir = 0xff & (pixel_color >> 16);  float fr = 0;
-       int ig = 0xff & (pixel_color >> 8);   float fg = 0;
-       int ib = 0xff & (pixel_color >> 0);   float fb = 0;
+       type *rp = rows[y], *bp = rp + x*comps; \
+       bp[0] = r; \
+       if( comps > 1 ) { bp[1] = g; bp[2] = b; } \
+       if( comps == 4 )  bp[3] = a; \
+}
+       float fr = 0, fg = 0, fb = 0, fa = 0;
+       int pixel_color = BC_CModels::is_yuv(color_model) ? pixel_yuv : pixel_rgb;
+       int ir = (0xff & (pixel_color >> 16));
+       int ig = (0xff & (pixel_color >> 8));
+       int ib = (0xff & (pixel_color >> 0));
+       int ia = (0xff & (pixel_color >> 24)) ^ 0xff;  // transparency, not opacity
        if( (x+y) & stipple ) {
                ir = 255 - ir;  ig = 255 - ig;  ib = 255 - ib;
        }
+       int rr = (ir<<8) | ir, gg = (ig<<8) | ig, bb = (ib<<8) | ib, aa = (ia<<8) | ia;
        if( BC_CModels::is_float(color_model) ) {
-               fr = ir / 255.;  fg = ig / 255.;  fb = ib / 255.;
-               mx = 1;
-       }
-       else if( (sz-=8) > 0 ) {
-               ir <<= sz;  ig <<= sz;  ib <<= sz;
+               fr = rr/65535.f;  fg = gg/65535.f;  fb = bb/65535.f;  fa = aa/65535.f;
        }
 
        switch(get_color_model()) {
+       case BC_A8:
+               DRAW_PIXEL(uint8_t, ib, 0, 0, 1, 0);
+               break;
        case BC_RGB888:
        case BC_YUV888:
+               DRAW_PIXEL(uint8_t, ir, ig, ib, 3, 0);
+               break;
        case BC_RGBA8888:
        case BC_YUVA8888:
-               DRAW_PIXEL(uint8_t, ir, ig, ib);
+               DRAW_PIXEL(uint8_t, ir, ig, ib, 4, ia);
                break;
        case BC_RGB161616:
        case BC_YUV161616:
+               DRAW_PIXEL(uint16_t, rr, gg, bb, 3, 0);
+               break;
        case BC_RGBA16161616:
        case BC_YUVA16161616:
-               DRAW_PIXEL(uint16_t, ir, ig, ib);
+               DRAW_PIXEL(uint16_t, rr, gg, bb, 4, aa);
                break;
        case BC_RGB_FLOAT:
+               DRAW_PIXEL(float, fr, fg, fb, 3, 0);
+               break;
        case BC_RGBA_FLOAT:
-               DRAW_PIXEL(float, fr, fg, fb);
+               DRAW_PIXEL(float, fr, fg, fb, 4, fa);
                break;
        }
        return 0;