uint8_t *out_yp, uint8_t *out_up, uint8_t *out_vp, uint8_t *out_ap, int out_rowspan,
uint8_t **input_rows, int in_colormodel, int in_x, int in_y, int in_w, int in_h,
uint8_t *in_yp, uint8_t *in_up, uint8_t *in_vp, uint8_t *in_ap, int in_rowspan,
- int bg_color)
+ int bg_color, int bg_alpha)
{
- this->bg_color = bg_color;
if( bg_color >= 0 ) {
+ this->bg_a = bg_alpha; // only used with init_color
this->bg_r = (bg_color>>16) & 0xff;
this->bg_g = (bg_color>>8) & 0xff;
this->bg_b = (bg_color>>0) & 0xff;
case BC_YUVA16161616: in_colormodel = BC_YUVX16161616; break;
case BC_RGBA_FLOAT: in_colormodel = BC_RGBX_FLOAT; break;
}
+ this->bg_r = this->bg_g = this->bg_b = this->bg_a = 0;
}
- // prevent bounds errors on poorly dimensioned macro pixel formats
+ int pmx = BC_CModels::calculate_max(out_colormodel);
switch( in_colormodel ) {
+ case BC_TRANSPARENCY:
+ if( BC_CModels::is_yuv(out_colormodel) ) {
+ int ry = this->bg_r, gu = this->bg_g, bv = this->bg_b;
+ YUV::yuv.rgb_to_yuv_8(ry, gu, bv);
+ this->bg_r = ry, this->bg_g = gu, this->bg_b = bv;
+ }
+ if( pmx > 0xff ) {
+ this->bg_r <<= 8;
+ this->bg_g <<= 8;
+ this->bg_b <<= 8;
+ this->bg_a <<= 8;
+ }
+ else
+ pmx = 0xff;
+ break;
+ // prevent bounds errors on poorly dimensioned macro pixel formats
case BC_UVY422:
case BC_YUV422: in_w &= ~1; break; // 2x1
case BC_YUV420P:
this->total_out_w = out_rowspan;
this->in_pixelsize = BC_CModels::calculate_pixelsize(in_colormodel);
this->out_pixelsize = BC_CModels::calculate_pixelsize(out_colormodel);
- this->scale = (out_w != in_w) || (in_x != 0);
-
+ if( in_w ) {
+ this->scale = (out_w != in_w) || (in_x != 0);
/* + 1 so we don't overflow when calculating in advance */
- column_table = new int[out_w+1];
- double hscale = (double)in_w/out_w;
- for( int i=0; i<out_w; ++i ) {
+ column_table = new int[out_w+1];
+ double hscale = (double)in_w/out_w;
+ for( int i=0; i<out_w; ++i ) {
column_table[i] = ((int)(hscale * i) + in_x) * in_pixelsize;
if( in_colormodel == BC_YUV422 || in_colormodel == BC_UVY422 )
column_table[i] &= ~3;
+ }
+ double vscale = (double)in_h/out_h;
+ row_table = new int[out_h];
+ for( int i=0; i<out_h; ++i )
+ row_table[i] = (int)(vscale * i) + in_y;
+ }
+ else {
+ this->scale = 0;
+ column_table = 0;
+ row_table = 0;
}
- double vscale = (double)in_h/out_h;
- row_table = new int[out_h];
- for( int i=0; i<out_h; ++i )
- row_table[i] = (int)(vscale * i) + in_y;
+ this->bg_fa = (float)this->bg_a / pmx;
+ this->bg_fr = (float)this->bg_r / pmx;
+ this->bg_fg = (float)this->bg_g / pmx;
+ this->bg_fb = (float)this->bg_b / pmx;
}
BC_Xfer::BC_Xfer(uint8_t **output_rows, uint8_t **input_rows,
uint8_t *out_yp, uint8_t *out_up, uint8_t *out_vp,
uint8_t *in_yp, uint8_t *in_up, uint8_t *in_vp,
int in_x, int in_y, int in_w, int in_h, int out_x, int out_y, int out_w, int out_h,
- int in_colormodel, int out_colormodel, int bg_color, int in_rowspan, int out_rowspan)
+ int in_colormodel, int out_colormodel, int bg_color, int bg_alpha,
+ int in_rowspan, int out_rowspan)
{
init(output_rows, out_colormodel, out_x, out_y, out_w, out_h,
out_yp, out_up, out_vp, 0, out_rowspan,
input_rows, in_colormodel, in_x, in_y, in_w, in_h,
- in_yp, in_up, in_vp, 0, in_rowspan, bg_color);
+ in_yp, in_up, in_vp, 0, in_rowspan, bg_color, bg_alpha);
}
BC_Xfer::BC_Xfer(
int out_x, int out_y, int out_w, int out_h, int out_rowspan,
uint8_t **input_ptrs, int in_colormodel,
int in_x, int in_y, int in_w, int in_h, int in_rowspan,
- int bg_color)
+ int bg_color, int bg_alpha)
{
uint8_t *out_yp = 0, *out_up = 0, *out_vp = 0, *out_ap = 0;
uint8_t *in_yp = 0, *in_up = 0, *in_vp = 0, *in_ap = 0;
init(output_ptrs, out_colormodel, out_x, out_y, out_w, out_h,
out_yp, out_up, out_vp, out_ap, out_rowspan,
input_ptrs, in_colormodel, in_x, in_y, in_w, in_h,
- in_yp, in_up, in_vp, in_ap, in_rowspan, bg_color);
+ in_yp, in_up, in_vp, in_ap, in_rowspan, bg_color, bg_alpha);
}
BC_Xfer::~BC_Xfer()
}
void BC_CModels::transfer(unsigned char **output_rows, unsigned char **input_rows,
- unsigned char *out_yp, unsigned char *out_up, unsigned char *out_vp,
- unsigned char *in_yp, unsigned char *in_up, unsigned char *in_vp,
- int in_x, int in_y, int in_w, int in_h, int out_x, int out_y, int out_w, int out_h,
- int in_colormodel, int out_colormodel, int bg_color, int in_rowspan, int out_rowspan)
+ unsigned char *out_yp, unsigned char *out_up, unsigned char *out_vp,
+ unsigned char *in_yp, unsigned char *in_up, unsigned char *in_vp,
+ int in_x, int in_y, int in_w, int in_h, int out_x, int out_y, int out_w, int out_h,
+ int in_colormodel, int out_colormodel, int bg_color,
+ int in_rowspan, int out_rowspan)
{
BC_Xfer xfer(output_rows, input_rows,
out_yp, out_up, out_vp, in_yp, in_up, in_vp,
in_x, in_y, in_w, in_h, out_x, out_y, out_w, out_h,
- in_colormodel, out_colormodel, bg_color, in_rowspan, out_rowspan);
+ in_colormodel, out_colormodel, bg_color,0xff, in_rowspan, out_rowspan);
xfer.xfer();
}
uint8_t **output_ptrs, int out_colormodel,
int out_x, int out_y, int out_w, int out_h, int out_rowspan,
uint8_t **input_ptrs, int in_colormodel,
- int in_x, int in_y, int in_w, int in_h, int in_rowspan, int bg_color)
+ int in_x, int in_y, int in_w, int in_h, int in_rowspan,
+ int bg_color)
{
BC_Xfer xfer(
output_ptrs, out_colormodel, out_x, out_y, out_w, out_h, out_rowspan,
- input_ptrs, in_colormodel, in_x, in_y, in_w, in_h, in_rowspan, bg_color);
+ input_ptrs, in_colormodel, in_x, in_y, in_w, in_h, in_rowspan,
+ bg_color,0xff);
+ xfer.xfer();
+}
+
+// color is rgb
+void BC_CModels::init_color(int color, int alpha,
+ unsigned char **output_rows, int out_colormodel,
+ unsigned char *out_yp, unsigned char *out_up, unsigned char *out_vp,
+ int out_x, int out_y, int out_w, int out_h, int out_rowspan)
+{
+ BC_Xfer xfer(output_rows, 0, out_yp,out_up,out_vp, 0,0,0,
+ 0,0,0,0, out_x,out_y,out_w,out_h, BC_TRANSPARENCY,
+ out_colormodel, color,alpha, 0, out_rowspan);
xfer.xfer();
}
projects / goodguy / cinelerra.git / blobdiff