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@ -56,15 +56,10 @@ find_color(colortable* ctab, unsigned char comps[static 3]){
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// everything in a single pass FIXME.
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// everything in a single pass FIXME.
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// what do we do if every pixel is transparent (0 colors)? FIXME
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// what do we do if every pixel is transparent (0 colors)? FIXME
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static int
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static int
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extract_color_table(ncplane* nc, const uint32_t* data, int placey, int placex,
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extract_color_table(const uint32_t* data, int linesize, int begy, int begx,
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int linesize, int begy, int begx, int leny, int lenx,
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int leny, int lenx, colortable* ctab){
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colortable* ctab){
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for(int visy = begy ; visy < (begy + leny) ; visy += 6){
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int dimy, dimx, x, y;
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for(int visx = begx ; visx < (begx + lenx) ; visx += 1){
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ncplane_dim_yx(nc, &dimy, &dimx);
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int visy = begy;
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for(y = placey ; visy < (begy + leny) && y < dimy ; ++y, visy += 6){
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int visx = begx;
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for(x = placex ; visx < (begx + lenx) && x < dimx ; ++x, visx += 1){
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for(int sy = visy ; sy < (begy + leny) && sy < visy + 6 ; ++sy){
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for(int sy = visy ; sy < (begy + leny) && sy < visy + 6 ; ++sy){
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const uint32_t* rgb = (const uint32_t*)(data + (linesize / 4 * sy) + (visx));
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const uint32_t* rgb = (const uint32_t*)(data + (linesize / 4 * sy) + (visx));
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if(rgba_trans_p(ncpixel_a(*rgb))){
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if(rgba_trans_p(ncpixel_a(*rgb))){
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@ -73,6 +68,7 @@ extract_color_table(ncplane* nc, const uint32_t* data, int placey, int placex,
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unsigned char comps[3];
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unsigned char comps[3];
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break_sixel_comps(comps, *rgb);
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break_sixel_comps(comps, *rgb);
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if(find_color(ctab, comps) < 0){
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if(find_color(ctab, comps) < 0){
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fprintf(stderr, "FUCK ME; THE COLOR TABLE'S FULL\n");
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return -1;
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return -1;
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}
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}
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}
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}
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@ -83,19 +79,14 @@ extract_color_table(ncplane* nc, const uint32_t* data, int placey, int placex,
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}
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}
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static int
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static int
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extract_data_table(ncplane* nc, const uint32_t* data, int placey, int placex,
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extract_data_table(const uint32_t* data, int linesize, int begy, int begx,
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int linesize, int begy, int begx, int leny, int lenx,
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int leny, int lenx, sixeltable* stab){
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sixeltable* stab){
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//fprintf(stderr, "colors: %d sixelcount: %d\n", stab->ctab->colors, stab->ctab->sixelcount);
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//fprintf(stderr, "colors: %d sixelcount: %d\n", stab->ctab->colors, stab->ctab->sixelcount);
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for(int c = 0 ; c < stab->ctab->colors ; ++c){
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for(int c = 0 ; c < stab->ctab->colors ; ++c){
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int dimy, dimx, x, y;
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int pos = 0;
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int pos = 0;
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ncplane_dim_yx(nc, &dimy, &dimx);
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//fprintf(stderr, "dimy/x: %d/%d placey/x: %d/%d begyx: %d/%d lenyx: %d/%d\n", dimy, dimx, placey, placex, begy, begx, leny, lenx);
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//fprintf(stderr, "dimy/x: %d/%d placey/x: %d/%d begyx: %d/%d lenyx: %d/%d\n", dimy, dimx, placey, placex, begy, begx, leny, lenx);
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int visy = begy;
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for(int visy = begy ; visy < (begy + leny) ; visy += 6){
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for(y = placey ; visy < (begy + leny) && y < dimy ; ++y, visy += 6){
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for(int visx = begx ; visx < (begx + lenx) ; visx += 1){
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int visx = begx;
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for(x = placex ; visx < (begx + lenx) && x < dimx ; ++x, visx += 1){
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//fprintf(stderr, "handling sixel %d for color %d visy: %d\n", pos, c, visy);
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//fprintf(stderr, "handling sixel %d for color %d visy: %d\n", pos, c, visy);
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for(int sy = visy ; sy < (begy + leny) && sy < visy + 6 ; ++sy){
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for(int sy = visy ; sy < (begy + leny) && sy < visy + 6 ; ++sy){
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const uint32_t* rgb = (const uint32_t*)(data + (linesize / 4 * sy) + visx);
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const uint32_t* rgb = (const uint32_t*)(data + (linesize / 4 * sy) + visx);
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@ -223,8 +214,7 @@ int sixel_blit(ncplane* nc, int placey, int placex, int linesize,
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ctab->colors = 0;
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ctab->colors = 0;
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ctab->sixelcount = 0;
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ctab->sixelcount = 0;
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memset(ctab->table, 0xff, 3);
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memset(ctab->table, 0xff, 3);
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if(extract_color_table(nc, data, placey, placex, linesize,
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if(extract_color_table(data, linesize, begy, begx, leny, lenx, ctab)){
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begy, begx, leny, lenx, ctab)){
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free(ctab);
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free(ctab);
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return -1;
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return -1;
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}
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}
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@ -237,8 +227,7 @@ int sixel_blit(ncplane* nc, int placey, int placex, int linesize,
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return -1;
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return -1;
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}
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}
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memset(stable.data, 0, ctab->colors * ctab->sixelcount);
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memset(stable.data, 0, ctab->colors * ctab->sixelcount);
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if(extract_data_table(nc, data, placey, placex, linesize,
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if(extract_data_table(data, linesize, begy, begx, leny, lenx, &stable)){
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begy, begx, leny, lenx, &stable)){
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free(stable.data);
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free(stable.data);
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free(ctab);
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free(ctab);
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return -1;
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return -1;
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