void IMB_blend_color_float(float dst[4], float src1[4], float src2[4], IMB_BlendMode mode) { switch (mode) { case IMB_BLEND_MIX: blend_color_mix_float(dst, src1, src2); break; case IMB_BLEND_ADD: blend_color_add_float(dst, src1, src2); break; case IMB_BLEND_SUB: blend_color_sub_float(dst, src1, src2); break; case IMB_BLEND_MUL: blend_color_mul_float(dst, src1, src2); break; case IMB_BLEND_LIGHTEN: blend_color_lighten_float(dst, src1, src2); break; case IMB_BLEND_DARKEN: blend_color_darken_float(dst, src1, src2); break; case IMB_BLEND_ERASE_ALPHA: blend_color_erase_alpha_float(dst, src1, src2); break; case IMB_BLEND_ADD_ALPHA: blend_color_add_alpha_float(dst, src1, src2); break; default: dst[0] = src1[0]; dst[1] = src1[1]; dst[2] = src1[2]; dst[3] = src1[3]; break; } }
void IMB_blend_color_float(float dst[4], float src1[4], float src2[4], IMB_BlendMode mode) { switch (mode) { case IMB_BLEND_MIX: blend_color_mix_float(dst, src1, src2); break; case IMB_BLEND_ADD: blend_color_add_float(dst, src1, src2); break; case IMB_BLEND_SUB: blend_color_sub_float(dst, src1, src2); break; case IMB_BLEND_MUL: blend_color_mul_float(dst, src1, src2); break; case IMB_BLEND_LIGHTEN: blend_color_lighten_float(dst, src1, src2); break; case IMB_BLEND_DARKEN: blend_color_darken_float(dst, src1, src2); break; case IMB_BLEND_ERASE_ALPHA: blend_color_erase_alpha_float(dst, src1, src2); break; case IMB_BLEND_ADD_ALPHA: blend_color_add_alpha_float(dst, src1, src2); break; case IMB_BLEND_OVERLAY: blend_color_overlay_float(dst, src1, src2); break; case IMB_BLEND_HARDLIGHT: blend_color_hardlight_float(dst, src1, src2); break; case IMB_BLEND_COLORBURN: blend_color_burn_float(dst, src1, src2); break; case IMB_BLEND_LINEARBURN: blend_color_linearburn_float(dst, src1, src2); break; case IMB_BLEND_COLORDODGE: blend_color_dodge_float(dst, src1, src2); break; case IMB_BLEND_SCREEN: blend_color_screen_float(dst, src1, src2); break; case IMB_BLEND_SOFTLIGHT: blend_color_softlight_float(dst, src1, src2); break; case IMB_BLEND_PINLIGHT: blend_color_pinlight_float(dst, src1, src2); break; case IMB_BLEND_LINEARLIGHT: blend_color_linearlight_float(dst, src1, src2); break; case IMB_BLEND_VIVIDLIGHT: blend_color_vividlight_float(dst, src1, src2); break; case IMB_BLEND_DIFFERENCE: blend_color_difference_float(dst, src1, src2); break; case IMB_BLEND_EXCLUSION: blend_color_exclusion_float(dst, src1, src2); break; case IMB_BLEND_COLOR: blend_color_color_float(dst, src1, src2); break; case IMB_BLEND_HUE: blend_color_hue_float(dst, src1, src2); break; case IMB_BLEND_SATURATION: blend_color_saturation_float(dst, src1, src2); break; case IMB_BLEND_LUMINOSITY: blend_color_luminosity_float(dst, src1, src2); break; default: dst[0] = src1[0]; dst[1] = src1[1]; dst[2] = src1[2]; dst[3] = src1[3]; break; } }
void IMB_blend_color_float(float *dst, float *src1, float *src2, float fac, IMB_BlendMode mode) { if (fac==0) { dst[0]= src1[0]; dst[1]= src1[1]; dst[2]= src1[2]; dst[3]= src1[3]; return; } switch (mode) { case IMB_BLEND_MIX: blend_color_mix_float(dst, src1, src2, fac); break; case IMB_BLEND_ADD: blend_color_add_float(dst, src1, src2, fac); break; case IMB_BLEND_SUB: blend_color_sub_float(dst, src1, src2, fac); break; case IMB_BLEND_MUL: blend_color_mul_float(dst, src1, src2, fac); break; case IMB_BLEND_LIGHTEN: blend_color_lighten_float(dst, src1, src2, fac); break; case IMB_BLEND_DARKEN: blend_color_darken_float(dst, src1, src2, fac); break; default: dst[0]= src1[0]; dst[1]= src1[1]; dst[2]= src1[2]; } if (mode == IMB_BLEND_ERASE_ALPHA) { dst[3]= (src1[3] - fac*src2[3]); if (dst[3] < 0.0f) dst[3] = 0.0f; } else { /* this does ADD_ALPHA also */ dst[3]= (src1[3] + fac*src2[3]); if (dst[3] > 1.0f) dst[3] = 1.0f; } }
static void paint_2d_lift_soften(ImagePaintState *s, ImBuf *ibuf, ImBuf *ibufb, int *pos, const short tile) { bool sharpen = (s->painter->cache.invert ^ ((s->brush->flag & BRUSH_DIR_IN) != 0)); float threshold = s->brush->sharp_threshold; int x, y, xi, yi, xo, yo, xk, yk; float count; int out_off[2], in_off[2], dim[2]; int diff_pos[2]; float outrgb[4]; float rgba[4]; BlurKernel *kernel = s->blurkernel; dim[0] = ibufb->x; dim[1] = ibufb->y; in_off[0] = pos[0]; in_off[1] = pos[1]; out_off[0] = out_off[1] = 0; if (!tile) { IMB_rectclip(ibuf, ibufb, &in_off[0], &in_off[1], &out_off[0], &out_off[1], &dim[0], &dim[1]); if ((dim[0] == 0) || (dim[1] == 0)) return; } /* find offset inside mask buffers to sample them */ sub_v2_v2v2_int(diff_pos, out_off, in_off); for (y = 0; y < dim[1]; y++) { for (x = 0; x < dim[0]; x++) { /* get input pixel */ xi = in_off[0] + x; yi = in_off[1] + y; count = 0.0; if (tile) { paint_2d_ibuf_tile_convert(ibuf, &xi, &yi, tile); if (xi < ibuf->x && xi >= 0 && yi < ibuf->y && yi >= 0) paint_2d_ibuf_rgb_get(ibuf, xi, yi, rgba); else zero_v4(rgba); } else { /* coordinates have been clipped properly here, it should be safe to do this */ paint_2d_ibuf_rgb_get(ibuf, xi, yi, rgba); } zero_v4(outrgb); for (yk = 0; yk < kernel->side; yk++) { for (xk = 0; xk < kernel->side; xk++) { count += paint_2d_ibuf_add_if(ibuf, xi + xk - kernel->pixel_len, yi + yk - kernel->pixel_len, outrgb, tile, kernel->wdata[xk + yk * kernel->side]); } } if (count > 0.0f) { mul_v4_fl(outrgb, 1.0f / (float)count); if (sharpen) { /* subtract blurred image from normal image gives high pass filter */ sub_v3_v3v3(outrgb, rgba, outrgb); /* now rgba_ub contains the edge result, but this should be converted to luminance to avoid * colored speckles appearing in final image, and also to check for threshold */ outrgb[0] = outrgb[1] = outrgb[2] = IMB_colormanagement_get_luminance(outrgb); if (fabsf(outrgb[0]) > threshold) { float mask = BKE_brush_alpha_get(s->scene, s->brush); float alpha = rgba[3]; rgba[3] = outrgb[3] = mask; /* add to enhance edges */ blend_color_add_float(outrgb, rgba, outrgb); outrgb[3] = alpha; } else copy_v4_v4(outrgb, rgba); } } else copy_v4_v4(outrgb, rgba); /* write into brush buffer */ xo = out_off[0] + x; yo = out_off[1] + y; paint_2d_ibuf_rgb_set(ibufb, xo, yo, 0, outrgb); } } }