diff options
Diffstat (limited to 'source/blender/editors/gpencil/gpencil_utils.c')
| -rw-r--r-- | source/blender/editors/gpencil/gpencil_utils.c | 171 |
1 files changed, 161 insertions, 10 deletions
diff --git a/source/blender/editors/gpencil/gpencil_utils.c b/source/blender/editors/gpencil/gpencil_utils.c index 6a7bb2012a7..6b18117cf8a 100644 --- a/source/blender/editors/gpencil/gpencil_utils.c +++ b/source/blender/editors/gpencil/gpencil_utils.c @@ -30,11 +30,14 @@ #include "BLI_blenlib.h" #include "BLI_ghash.h" +#include "BLI_hash.h" #include "BLI_math.h" #include "BLI_rand.h" #include "BLI_utildefines.h" #include "BLT_translation.h" +#include "PIL_time.h" + #include "DNA_brush_types.h" #include "DNA_gpencil_types.h" #include "DNA_meshdata_types.h" @@ -74,6 +77,7 @@ #include "ED_object.h" #include "ED_screen.h" #include "ED_select_utils.h" +#include "ED_transform_snap_object_context.h" #include "ED_view3d.h" #include "GPU_immediate.h" @@ -2559,26 +2563,170 @@ void ED_gpencil_fill_vertex_color_set(ToolSettings *ts, Brush *brush, bGPDstroke } } -void ED_gpencil_point_vertex_color_set(ToolSettings *ts, Brush *brush, bGPDspoint *pt) +void ED_gpencil_point_vertex_color_set(ToolSettings *ts, + Brush *brush, + bGPDspoint *pt, + tGPspoint *tpt) { if (GPENCIL_USE_VERTEX_COLOR_STROKE(ts, brush)) { - copy_v3_v3(pt->vert_color, brush->rgb); - pt->vert_color[3] = brush->gpencil_settings->vertex_factor; - srgb_to_linearrgb_v4(pt->vert_color, pt->vert_color); + if (tpt == NULL) { + copy_v3_v3(pt->vert_color, brush->rgb); + pt->vert_color[3] = brush->gpencil_settings->vertex_factor; + srgb_to_linearrgb_v4(pt->vert_color, pt->vert_color); + } + else { + copy_v3_v3(pt->vert_color, tpt->vert_color); + pt->vert_color[3] = brush->gpencil_settings->vertex_factor; + } } else { zero_v4(pt->vert_color); } } -void ED_gpencil_sbuffer_vertex_color_set( - Depsgraph *depsgraph, Object *ob, ToolSettings *ts, Brush *brush, Material *material) +void ED_gpencil_init_random_settings(Brush *brush, + const int mval[2], + GpRandomSettings *random_settings) +{ + int seed = ((uint)(ceil(PIL_check_seconds_timer())) + 1) % 128; + /* Use mouse position to get randomness. */ + int ix = mval[0] * seed; + int iy = mval[1] * seed; + int iz = ix + iy * seed; + zero_v3(random_settings->hsv); + + BrushGpencilSettings *brush_settings = brush->gpencil_settings; + /* Random to Hue. */ + if (brush_settings->random_hue > 0.0f) { + float rand = BLI_hash_int_01(BLI_hash_int_2d(ix, iy)) * 2.0f - 1.0f; + random_settings->hsv[0] = rand * brush_settings->random_hue * 0.5f; + } + /* Random to Saturation. */ + if (brush_settings->random_saturation > 0.0f) { + float rand = BLI_hash_int_01(BLI_hash_int_2d(iy, ix)) * 2.0f - 1.0f; + random_settings->hsv[1] = rand * brush_settings->random_saturation; + } + /* Random to Value. */ + if (brush_settings->random_value > 0.0f) { + float rand = BLI_hash_int_01(BLI_hash_int_2d(ix * iz, iy * iz)) * 2.0f - 1.0f; + random_settings->hsv[2] = rand * brush_settings->random_value; + } + + /* Random to pressure. */ + if (brush_settings->draw_random_press > 0.0f) { + random_settings->pressure = BLI_hash_int_01(BLI_hash_int_2d(ix + iz, iy + iz)) * 2.0f - 1.0f; + } + + /* Randomn to color strength. */ + if (brush_settings->draw_random_strength) { + random_settings->strength = BLI_hash_int_01(BLI_hash_int_2d(ix + iy, iy + iz + ix)) * 2.0f - + 1.0f; + } + + /* Random to uv texture rotation. */ + if (brush_settings->uv_random > 0.0f) { + random_settings->uv = BLI_hash_int_01(BLI_hash_int_2d(iy + iz, ix * iz)) * 2.0f - 1.0f; + } +} + +static void gpencil_sbuffer_vertex_color_random( + bGPdata *gpd, Brush *brush, tGPspoint *tpt, float random_color[3], float pen_pressure) +{ + BrushGpencilSettings *brush_settings = brush->gpencil_settings; + if (brush_settings->flag & GP_BRUSH_GROUP_RANDOM) { + int seed = ((uint)(ceil(PIL_check_seconds_timer())) + 1) % 128; + + int ix = (int)(tpt->x * seed); + int iy = (int)(tpt->y * seed); + int iz = ix + iy * seed; + float hsv[3]; + float factor_value[3]; + zero_v3(factor_value); + + /* Apply randomness to Hue. */ + if (brush_settings->random_hue > 0.0f) { + if ((brush_settings->flag2 & GP_BRUSH_USE_HUE_AT_STROKE) == 0) { + + float rand = BLI_hash_int_01(BLI_hash_int_2d(ix, gpd->runtime.sbuffer_used)) * 2.0f - 1.0f; + factor_value[0] = rand * brush_settings->random_hue * 0.5f; + } + else { + factor_value[0] = random_color[0]; + } + + /* Apply random curve. */ + if (brush_settings->flag2 & GP_BRUSH_USE_HUE_RAND_PRESS) { + factor_value[0] *= BKE_curvemapping_evaluateF( + brush_settings->curve_rand_hue, 0, pen_pressure); + } + } + + /* Apply randomness to Saturation. */ + if (brush_settings->random_saturation > 0.0f) { + if ((brush_settings->flag2 & GP_BRUSH_USE_SAT_AT_STROKE) == 0) { + float rand = BLI_hash_int_01(BLI_hash_int_2d(iy, gpd->runtime.sbuffer_used)) * 2.0f - 1.0f; + factor_value[1] = rand * brush_settings->random_saturation; + } + else { + factor_value[1] = random_color[1]; + } + + /* Apply random curve. */ + if (brush_settings->flag2 & GP_BRUSH_USE_SAT_RAND_PRESS) { + factor_value[1] *= BKE_curvemapping_evaluateF( + brush_settings->curve_rand_saturation, 0, pen_pressure); + } + } + + /* Apply randomness to Value. */ + if (brush_settings->random_value > 0.0f) { + if ((brush_settings->flag2 & GP_BRUSH_USE_VAL_AT_STROKE) == 0) { + float rand = BLI_hash_int_01(BLI_hash_int_2d(iz, gpd->runtime.sbuffer_used)) * 2.0f - 1.0f; + factor_value[2] = rand * brush_settings->random_value; + } + else { + factor_value[2] = random_color[2]; + } + + /* Apply random curve. */ + if (brush_settings->flag2 & GP_BRUSH_USE_VAL_RAND_PRESS) { + factor_value[2] *= BKE_curvemapping_evaluateF( + brush_settings->curve_rand_value, 0, pen_pressure); + } + } + + rgb_to_hsv_v(tpt->vert_color, hsv); + add_v3_v3(hsv, factor_value); + /* For Hue need to cover all range, but for Saturation and Value + * is not logic because the effect is too hard, so the value is just clamped. */ + if (hsv[0] < 0.0f) { + hsv[0] += 1.0f; + } + else if (hsv[0] > 1.0f) { + hsv[0] -= 1.0f; + } + + CLAMP3(hsv, 0.0f, 1.0f); + hsv_to_rgb_v(hsv, tpt->vert_color); + } +} + +void ED_gpencil_sbuffer_vertex_color_set(Depsgraph *depsgraph, + Object *ob, + ToolSettings *ts, + Brush *brush, + Material *material, + float random_color[3], + float pen_pressure) { bGPdata *gpd = (bGPdata *)ob->data; Object *ob_eval = (Object *)DEG_get_evaluated_id(depsgraph, &ob->id); bGPdata *gpd_eval = (bGPdata *)ob_eval->data; MaterialGPencilStyle *gp_style = material->gp_style; + int idx = gpd->runtime.sbuffer_used; + tGPspoint *tpt = (tGPspoint *)gpd->runtime.sbuffer + idx; + float vertex_color[4]; copy_v3_v3(vertex_color, brush->rgb); vertex_color[3] = brush->gpencil_settings->vertex_factor; @@ -2593,15 +2741,18 @@ void ED_gpencil_sbuffer_vertex_color_set( } /* Copy stroke vertex color. */ if (GPENCIL_USE_VERTEX_COLOR_STROKE(ts, brush)) { - copy_v4_v4(gpd->runtime.vert_color, vertex_color); + copy_v4_v4(tpt->vert_color, vertex_color); } else { - copy_v4_v4(gpd->runtime.vert_color, gp_style->stroke_rgba); + copy_v4_v4(tpt->vert_color, gp_style->stroke_rgba); } - /* Copy to eval data because paint operators don't tag refresh until end for speedup painting. */ + /* Random Color. */ + gpencil_sbuffer_vertex_color_random(gpd, brush, tpt, random_color, pen_pressure); + + /* Copy to eval data because paint operators don't tag refresh until end for speedup + painting. */ if (gpd_eval != NULL) { - copy_v4_v4(gpd_eval->runtime.vert_color, gpd->runtime.vert_color); copy_v4_v4(gpd_eval->runtime.vert_color_fill, gpd->runtime.vert_color_fill); gpd_eval->runtime.matid = gpd->runtime.matid; } |