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index 417a106c1f8c980fb7d5a5d41b4849c21b433d74..1d73f14e1906ec92ff560d18bba0d8fec95cdc8a 100644 (file)
*/
#include "display/nr-filter-colormatrix.h"
+#include "display/nr-filter-units.h"
+#include "display/nr-filter-utils.h"
+#include "libnr/nr-blit.h"
+#include <math.h>
+
namespace NR {
FilterColorMatrix::FilterColorMatrix()
{
- g_warning("FilterColorMatrix::render not implemented.");
}
FilterPrimitive * FilterColorMatrix::create() {
FilterColorMatrix::~FilterColorMatrix()
{}
-int FilterColorMatrix::render(FilterSlot &slot, Matrix const &trans) {
+int FilterColorMatrix::render(FilterSlot &slot, FilterUnits const &/*units*/) {
NRPixBlock *in = slot.get(_input);
+ if (!in) {
+ g_warning("Missing source image for feColorMatrix (in=%d)", _input);
+ return 1;
+ }
+
NRPixBlock *out = new NRPixBlock;
- nr_pixblock_setup_fast(out, in->mode,
+ nr_pixblock_setup_fast(out, NR_PIXBLOCK_MODE_R8G8B8A8N,
in->area.x0, in->area.y0, in->area.x1, in->area.y1,
true);
+ // this primitive is defined for non-premultiplied RGBA values,
+ // thus convert them to that format
+ bool free_in_on_exit = false;
+ if (in->mode != NR_PIXBLOCK_MODE_R8G8B8A8N) {
+ NRPixBlock *original_in = in;
+ in = new NRPixBlock;
+ nr_pixblock_setup_fast(in, NR_PIXBLOCK_MODE_R8G8B8A8N,
+ original_in->area.x0, original_in->area.y0,
+ original_in->area.x1, original_in->area.y1,
+ true);
+ nr_blit_pixblock_pixblock(in, original_in);
+ free_in_on_exit = true;
+ }
+
unsigned char *in_data = NR_PIXBLOCK_PX(in);
unsigned char *out_data = NR_PIXBLOCK_PX(out);
+ unsigned char r,g,b,a;
+ int x,y,x0,y0,x1,y1,i;
+ double a00,a01,a02,a10,a11,a12,a20,a21,a22, coshue, sinhue;
+ x0=in->area.x0;
+ y0=in->area.y0;
+ x1=in->area.x1;
+ y1=in->area.y1;
-//IMPLEMENT ME!
- printf("type = %d\n", type);
- if (type==0){
- for (int i=0;i<20;i++){
- printf("values[%d]=%f\n", i, values[i]);
+ switch(type){
+ case COLORMATRIX_MATRIX:
+ if (values.size()!=20) {
+ g_warning("ColorMatrix: values parameter error. Wrong size: %i.", static_cast<int>(values.size()));
+ return -1;
}
- } else {
- printf("value = %f\n", value);
- }
-
+ for (x=x0;x<x1;x++){
+ for (y=y0;y<y1;y++){
+ i = ((x-x0) + (x1-x0)*(y-y0))*4;
+ r = in_data[i];
+ g = in_data[i+1];
+ b = in_data[i+2];
+ a = in_data[i+3];
+ out_data[i] = CLAMP_D_TO_U8( r*values[0] + g*values[1] + b*values[2] + a*values[3] + 255*values[4] );
+ out_data[i+1] = CLAMP_D_TO_U8( r*values[5] + g*values[6] + b*values[7] + a*values[8] + 255*values[9] );
+ out_data[i+2] = CLAMP_D_TO_U8( r*values[10] + g*values[11] + b*values[12] + a*values[13] + 255*values[14] );
+ out_data[i+3] = CLAMP_D_TO_U8( r*values[15] + g*values[16] + b*values[17] + a*values[18] + 255*values[19] );
+ }
+ }
+ break;
+ case COLORMATRIX_SATURATE:
+ for (x=x0;x<x1;x++){
+ for (y=y0;y<y1;y++){
+ i = ((x-x0) + (x1-x0)*(y-y0))*4;
+ r = in_data[i];
+ g = in_data[i+1];
+ b = in_data[i+2];
+ a = in_data[i+3];
+ out_data[i] = CLAMP_D_TO_U8( r*(0.213+0.787*value) + g*(0.715-0.715*value) + b*(0.072-0.072*value) );
+ out_data[i+1] = CLAMP_D_TO_U8( r*(0.213-0.213*value) + g*(0.715+0.285*value) + b*(0.072-0.072*value) );
+ out_data[i+2] = CLAMP_D_TO_U8( r*(0.213-0.213*value) + g*(0.715-0.715*value) + b*(0.072+0.928*value) );
+ out_data[i+3] = a;
+ }
+ }
+ break;
+ case COLORMATRIX_HUEROTATE:
+ coshue = cos(value * M_PI/180.0);
+ sinhue = sin(value * M_PI/180.0);
+ a00 = 0.213 + coshue*( 0.787) + sinhue*(-0.213);
+ a01 = 0.715 + coshue*(-0.715) + sinhue*(-0.715);
+ a02 = 0.072 + coshue*(-0.072) + sinhue*( 0.928);
+ a10 = 0.213 + coshue*(-0.213) + sinhue*( 0.143);
+ a11 = 0.715 + coshue*( 0.285) + sinhue*( 0.140);
+ a12 = 0.072 + coshue*(-0.072) + sinhue*(-0.283);
+ a20 = 0.213 + coshue*(-0.213) + sinhue*(-0.787);
+ a21 = 0.715 + coshue*(-0.715) + sinhue*( 0.715);
+ a22 = 0.072 + coshue*( 0.928) + sinhue*( 0.072);
+
+ for (x=x0;x<x1;x++){
+ for (y=y0;y<y1;y++){
+ i = ((x-x0) + (x1-x0)*(y-y0))*4;
+ r = in_data[i];
+ g = in_data[i+1];
+ b = in_data[i+2];
+ a = in_data[i+3];
+
+ out_data[i] = CLAMP_D_TO_U8( r*a00 + g*a01 + b*a02 );
+ out_data[i+1] = CLAMP_D_TO_U8( r*a10 + g*a11 + b*a12 );
+ out_data[i+2] = CLAMP_D_TO_U8( r*a20 + g*a21 + b*a22 );
+ out_data[i+3] = a;
+ }
+ }
+ break;
+ case COLORMATRIX_LUMINANCETOALPHA:
+ for (x=x0;x<x1;x++){
+ for (y=y0;y<y1;y++){
+ i = ((x-x0) + (x1-x0)*(y-y0))*4;
+ r = in_data[i];
+ g = in_data[i+1];
+ b = in_data[i+2];
+ out_data[i] = 0;
+ out_data[i+1] = 0;
+ out_data[i+2] = 0;
+ out_data[i+3] = CLAMP_D_TO_U8( r*0.2125 + g*0.7154 + b*0.0721);
+ }
+ }
+ break;
+ case COLORMATRIX_ENDTYPE:
+ break;
+ }
+
+ if (free_in_on_exit) {
+ nr_pixblock_release(in);
+ delete in;
+ }
+
out->empty = FALSE;
slot.set(_output, out);
return 0;
}
-void FilterColorMatrix::area_enlarge(NRRectL &area, Matrix const &trans)
+void FilterColorMatrix::area_enlarge(NRRectL &/*area*/, Matrix const &/*trans*/)
{
}
-void FilterColorMatrix::set_type(int t){
+void FilterColorMatrix::set_type(FilterColorMatrixType t){
type = t;
}
value = v;
}
-void FilterColorMatrix::set_values(std::vector<gdouble> v){
+void FilterColorMatrix::set_values(std::vector<gdouble> &v){
values = v;
}