diff options
Diffstat (limited to 'source/blender/blenkernel/intern/brush.c')
| -rw-r--r-- | source/blender/blenkernel/intern/brush.c | 380 |
1 files changed, 379 insertions, 1 deletions
diff --git a/source/blender/blenkernel/intern/brush.c b/source/blender/blenkernel/intern/brush.c index 42cd7968321..598eb9b5b54 100644 --- a/source/blender/blenkernel/intern/brush.c +++ b/source/blender/blenkernel/intern/brush.c @@ -29,6 +29,7 @@ #include "DNA_brush_types.h" #include "DNA_scene_types.h" #include "DNA_object_types.h" +#include "DNA_gpencil_types.h" #include "BLI_math.h" #include "BLI_blenlib.h" @@ -36,6 +37,7 @@ #include "BKE_brush.h" #include "BKE_colortools.h" +#include "BKE_context.h" #include "BKE_global.h" #include "BKE_library.h" #include "BKE_library_query.h" @@ -129,6 +131,7 @@ static void brush_defaults(Brush *brush) brush->stencil_dimension[0] = 256; brush->stencil_dimension[1] = 256; + } /* Datablock add/copy/free/make_local */ @@ -164,6 +167,368 @@ Brush *BKE_brush_add(Main *bmain, const char *name, const eObjectMode ob_mode) return brush; } +/* add a new gp-brush */ +Brush *BKE_brush_add_gpencil(Main *bmain, ToolSettings *ts, const char *name) +{ + Brush *brush; + Paint *paint = BKE_brush_get_gpencil_paint(ts); + brush = BKE_brush_add(bmain, name, OB_MODE_GPENCIL_PAINT); + + BKE_paint_brush_set(paint, brush); + id_us_min(&brush->id); + + /* grease pencil basic settings */ + brush->size = 3; + + brush->gpencil_settings = MEM_callocN(sizeof(BrushGpencilSettings), "BrushGpencilSettings"); + + brush->gpencil_settings->draw_smoothlvl = 1; + brush->gpencil_settings->flag = 0; + brush->gpencil_settings->flag |= GP_BRUSH_USE_PRESSURE; + brush->gpencil_settings->draw_sensitivity = 1.0f; + brush->gpencil_settings->draw_strength = 1.0f; + brush->gpencil_settings->draw_jitter = 0.0f; + brush->gpencil_settings->flag |= GP_BRUSH_USE_JITTER_PRESSURE; + brush->gpencil_settings->icon_id = GP_BRUSH_ICON_PEN; + + /* curves */ + brush->gpencil_settings->curve_sensitivity = curvemapping_add(1, 0.0f, 0.0f, 1.0f, 1.0f); + brush->gpencil_settings->curve_strength = curvemapping_add(1, 0.0f, 0.0f, 1.0f, 1.0f); + brush->gpencil_settings->curve_jitter = curvemapping_add(1, 0.0f, 0.0f, 1.0f, 1.0f); + + /* return brush */ + return brush; +} + +Paint *BKE_brush_get_gpencil_paint(ToolSettings *ts) +{ + /* alloc paint session */ + if (ts->gp_paint == NULL) { + ts->gp_paint = MEM_callocN(sizeof(GpPaint), "GpPaint"); + } + + return &ts->gp_paint->paint; +} + +/* grease pencil cumapping->preset */ +typedef enum eGPCurveMappingPreset { + GPCURVE_PRESET_PENCIL = 0, + GPCURVE_PRESET_INK = 1, + GPCURVE_PRESET_INKNOISE = 2, +} eGPCurveMappingPreset; + +static void brush_gpencil_curvemap_reset(CurveMap *cuma, int preset) +{ + if (cuma->curve) + MEM_freeN(cuma->curve); + + cuma->totpoint = 3; + cuma->curve = MEM_callocN(cuma->totpoint * sizeof(CurveMapPoint), __func__); + + switch (preset) { + case GPCURVE_PRESET_PENCIL: + cuma->curve[0].x = 0.0f; + cuma->curve[0].y = 0.0f; + cuma->curve[1].x = 0.75115f; + cuma->curve[1].y = 0.25f; + cuma->curve[2].x = 1.0f; + cuma->curve[2].y = 1.0f; + break; + case GPCURVE_PRESET_INK: + cuma->curve[0].x = 0.0f; + cuma->curve[0].y = 0.0f; + cuma->curve[1].x = 0.63448f; + cuma->curve[1].y = 0.375f; + cuma->curve[2].x = 1.0f; + cuma->curve[2].y = 1.0f; + break; + case GPCURVE_PRESET_INKNOISE: + cuma->curve[0].x = 0.0f; + cuma->curve[0].y = 0.0f; + cuma->curve[1].x = 0.63134f; + cuma->curve[1].y = 0.3625f; + cuma->curve[2].x = 1.0f; + cuma->curve[2].y = 1.0f; + break; + } + + if (cuma->table) { + MEM_freeN(cuma->table); + cuma->table = NULL; + } +} + +/* create a set of grease pencil presets */ +void BKE_brush_gpencil_presets(bContext *C) +{ +#define SMOOTH_STROKE_RADIUS 40 +#define SMOOTH_STROKE_FACTOR 0.9f + + ToolSettings *ts = CTX_data_tool_settings(C); + Paint *paint = BKE_brush_get_gpencil_paint(ts); + Main *bmain = CTX_data_main(C); + + Brush *brush, *deft; + CurveMapping *custom_curve; + + /* Pencil brush */ + brush = BKE_brush_add_gpencil(bmain, ts, "Draw Pencil"); + brush->size = 25.0f; + brush->gpencil_settings->flag |= (GP_BRUSH_USE_PRESSURE | GP_BRUSH_ENABLE_CURSOR); + brush->gpencil_settings->draw_sensitivity = 1.0f; + + brush->gpencil_settings->draw_strength = 0.6f; + brush->gpencil_settings->flag |= GP_BRUSH_USE_STENGTH_PRESSURE; + + brush->gpencil_settings->draw_random_press = 0.0f; + + brush->gpencil_settings->draw_jitter = 0.0f; + brush->gpencil_settings->flag |= GP_BRUSH_USE_JITTER_PRESSURE; + + brush->gpencil_settings->draw_angle = 0.0f; + brush->gpencil_settings->draw_angle_factor = 0.0f; + + brush->gpencil_settings->flag |= GP_BRUSH_GROUP_SETTINGS; + brush->gpencil_settings->draw_smoothfac = 0.5f; + brush->gpencil_settings->draw_smoothlvl = 1; + brush->gpencil_settings->thick_smoothfac = 1.0f; + brush->gpencil_settings->thick_smoothlvl = 3; + brush->gpencil_settings->draw_subdivide = 1; + brush->gpencil_settings->draw_random_sub = 0.0f; + brush->gpencil_settings->icon_id = GP_BRUSH_ICON_PENCIL; + brush->gpencil_settings->brush_type = GP_BRUSH_TYPE_DRAW; + + brush->smooth_stroke_radius = SMOOTH_STROKE_RADIUS; + brush->smooth_stroke_factor = SMOOTH_STROKE_FACTOR; + + /* Pen brush */ + brush = BKE_brush_add_gpencil(bmain, ts, "Draw Pen"); + deft = brush; /* save default brush */ + brush->size = 30.0f; + brush->gpencil_settings->flag |= (GP_BRUSH_USE_PRESSURE | GP_BRUSH_ENABLE_CURSOR); + brush->gpencil_settings->draw_sensitivity = 1.0f; + + brush->gpencil_settings->draw_strength = 1.0f; + brush->gpencil_settings->flag |= GP_BRUSH_USE_STENGTH_PRESSURE; + + brush->gpencil_settings->draw_random_press = 0.0f; + brush->gpencil_settings->draw_random_strength = 0.0f; + + brush->gpencil_settings->draw_jitter = 0.0f; + brush->gpencil_settings->flag |= GP_BRUSH_USE_JITTER_PRESSURE; + + brush->gpencil_settings->draw_angle = 0.0f; + brush->gpencil_settings->draw_angle_factor = 0.0f; + + brush->gpencil_settings->flag |= GP_BRUSH_GROUP_SETTINGS; + brush->gpencil_settings->draw_smoothfac = 0.5f; + brush->gpencil_settings->draw_smoothlvl = 1; + brush->gpencil_settings->draw_subdivide = 1; + brush->gpencil_settings->thick_smoothfac = 1.0f; + brush->gpencil_settings->thick_smoothlvl = 3; + brush->gpencil_settings->draw_random_sub = 0.0f; + brush->gpencil_settings->icon_id = GP_BRUSH_ICON_PEN; + brush->gpencil_settings->brush_type = GP_BRUSH_TYPE_DRAW; + + brush->smooth_stroke_radius = SMOOTH_STROKE_RADIUS; + brush->smooth_stroke_factor = SMOOTH_STROKE_FACTOR; + + /* Ink brush */ + brush = BKE_brush_add_gpencil(bmain, ts, "Draw Ink"); + brush->size = 60.0f; + brush->gpencil_settings->flag |= (GP_BRUSH_USE_PRESSURE | GP_BRUSH_ENABLE_CURSOR); + brush->gpencil_settings->draw_sensitivity = 1.6f; + + brush->gpencil_settings->draw_strength = 1.0f; + + brush->gpencil_settings->draw_random_press = 0.0f; + + brush->gpencil_settings->draw_jitter = 0.0f; + brush->gpencil_settings->flag |= GP_BRUSH_USE_JITTER_PRESSURE; + + brush->gpencil_settings->draw_angle = 0.0f; + brush->gpencil_settings->draw_angle_factor = 0.0f; + + brush->gpencil_settings->flag |= GP_BRUSH_GROUP_SETTINGS; + brush->gpencil_settings->draw_smoothfac = 0.5f; + brush->gpencil_settings->draw_smoothlvl = 1; + brush->gpencil_settings->thick_smoothfac = 1.0f; + brush->gpencil_settings->thick_smoothlvl = 3; + brush->gpencil_settings->draw_subdivide = 1; + brush->gpencil_settings->draw_random_sub = 0.0f; + brush->gpencil_settings->icon_id = GP_BRUSH_ICON_INK; + brush->gpencil_settings->brush_type = GP_BRUSH_TYPE_DRAW; + + brush->smooth_stroke_radius = SMOOTH_STROKE_RADIUS; + brush->smooth_stroke_factor = SMOOTH_STROKE_FACTOR; + + /* Curve */ + custom_curve = brush->gpencil_settings->curve_sensitivity; + curvemapping_set_defaults(custom_curve, 0, 0.0f, 0.0f, 1.0f, 1.0f); + curvemapping_initialize(custom_curve); + brush_gpencil_curvemap_reset(custom_curve->cm, GPCURVE_PRESET_INK); + + /* Ink Noise brush */ + brush = BKE_brush_add_gpencil(bmain, ts, "Draw Noise"); + brush->size = 60.0f; + brush->gpencil_settings->flag |= (GP_BRUSH_USE_PRESSURE | GP_BRUSH_ENABLE_CURSOR); + brush->gpencil_settings->draw_sensitivity = 1.0f; + + brush->gpencil_settings->draw_strength = 1.0f; + + brush->gpencil_settings->flag |= GP_BRUSH_GROUP_RANDOM; + brush->gpencil_settings->draw_random_press = 0.7f; + brush->gpencil_settings->draw_random_strength = 0.0f; + + brush->gpencil_settings->draw_jitter = 0.0f; + brush->gpencil_settings->flag |= GP_BRUSH_USE_JITTER_PRESSURE; + + brush->gpencil_settings->draw_angle = 0.0f; + brush->gpencil_settings->draw_angle_factor = 0.0f; + + brush->gpencil_settings->flag |= GP_BRUSH_GROUP_SETTINGS; + brush->gpencil_settings->draw_smoothfac = 1.0f; + brush->gpencil_settings->draw_smoothlvl = 2; + brush->gpencil_settings->thick_smoothfac = 0.5f; + brush->gpencil_settings->thick_smoothlvl = 2; + brush->gpencil_settings->draw_subdivide = 1; + brush->gpencil_settings->draw_random_sub = 0.0f; + brush->gpencil_settings->icon_id = GP_BRUSH_ICON_INKNOISE; + brush->gpencil_settings->brush_type = GP_BRUSH_TYPE_DRAW; + + brush->smooth_stroke_radius = SMOOTH_STROKE_RADIUS; + brush->smooth_stroke_factor = SMOOTH_STROKE_FACTOR; + + /* Curve */ + custom_curve = brush->gpencil_settings->curve_sensitivity; + curvemapping_set_defaults(custom_curve, 0, 0.0f, 0.0f, 1.0f, 1.0f); + curvemapping_initialize(custom_curve); + brush_gpencil_curvemap_reset(custom_curve->cm, GPCURVE_PRESET_INKNOISE); + + /* Block Basic brush */ + brush = BKE_brush_add_gpencil(bmain, ts, "Draw Block"); + brush->size = 150.0f; + brush->gpencil_settings->flag |= (GP_BRUSH_USE_PRESSURE | GP_BRUSH_ENABLE_CURSOR); + brush->gpencil_settings->draw_sensitivity = 1.0f; + + brush->gpencil_settings->draw_strength = 0.7f; + brush->gpencil_settings->flag |= GP_BRUSH_USE_STENGTH_PRESSURE; + + brush->gpencil_settings->draw_random_press = 0.0f; + + brush->gpencil_settings->draw_jitter = 0.0f; + brush->gpencil_settings->flag |= GP_BRUSH_USE_JITTER_PRESSURE; + + brush->gpencil_settings->draw_angle = 0.0f; + brush->gpencil_settings->draw_angle_factor = 0.0f; + + brush->gpencil_settings->flag |= GP_BRUSH_GROUP_SETTINGS; + brush->gpencil_settings->draw_smoothfac = 0.0f; + brush->gpencil_settings->draw_smoothlvl = 1; + brush->gpencil_settings->thick_smoothfac = 1.0f; + brush->gpencil_settings->thick_smoothlvl = 3; + brush->gpencil_settings->draw_subdivide = 0; + brush->gpencil_settings->draw_random_sub = 0; + brush->gpencil_settings->icon_id = GP_BRUSH_ICON_BLOCK; + brush->gpencil_settings->brush_type = GP_BRUSH_TYPE_DRAW; + + brush->smooth_stroke_radius = SMOOTH_STROKE_RADIUS; + brush->smooth_stroke_factor = SMOOTH_STROKE_FACTOR; + + /* Marker brush */ + brush = BKE_brush_add_gpencil(bmain, ts, "Draw Marker"); + brush->size = 80.0f; + brush->gpencil_settings->flag |= (GP_BRUSH_USE_PRESSURE | GP_BRUSH_ENABLE_CURSOR); + brush->gpencil_settings->draw_sensitivity = 1.0f; + + brush->gpencil_settings->draw_strength = 1.0f; + + brush->gpencil_settings->flag |= GP_BRUSH_GROUP_RANDOM; + brush->gpencil_settings->draw_random_press = 0.374f; + brush->gpencil_settings->draw_random_strength = 0.0f; + + brush->gpencil_settings->draw_jitter = 0.0f; + brush->gpencil_settings->flag |= GP_BRUSH_USE_JITTER_PRESSURE; + + brush->gpencil_settings->draw_angle = M_PI_4; /* 45 degrees */ + brush->gpencil_settings->draw_angle_factor = 1.0f; + + brush->gpencil_settings->flag |= GP_BRUSH_GROUP_SETTINGS; + brush->gpencil_settings->draw_smoothfac = 0.5f; + brush->gpencil_settings->draw_smoothlvl = 1; + brush->gpencil_settings->thick_smoothfac = 1.0f; + brush->gpencil_settings->thick_smoothlvl = 3; + brush->gpencil_settings->draw_subdivide = 1; + brush->gpencil_settings->draw_random_sub = 0.0f; + brush->gpencil_settings->icon_id = GP_BRUSH_ICON_MARKER; + brush->gpencil_settings->brush_type = GP_BRUSH_TYPE_DRAW; + + brush->smooth_stroke_radius = SMOOTH_STROKE_RADIUS; + brush->smooth_stroke_factor = SMOOTH_STROKE_FACTOR; + + /* Fill brush */ + brush = BKE_brush_add_gpencil(bmain, ts, "Fill Area"); + brush->size = 1.0f; + brush->gpencil_settings->flag |= GP_BRUSH_ENABLE_CURSOR; + brush->gpencil_settings->draw_sensitivity = 1.0f; + brush->gpencil_settings->fill_leak = 3; + brush->gpencil_settings->fill_threshold = 0.1f; + brush->gpencil_settings->fill_simplylvl = 1; + brush->gpencil_settings->icon_id = GP_BRUSH_ICON_FILL; + brush->gpencil_settings->brush_type = GP_BRUSH_TYPE_FILL; + + brush->gpencil_settings->draw_smoothfac = 0.5f; + brush->gpencil_settings->draw_smoothlvl = 1; + brush->gpencil_settings->thick_smoothfac = 1.0f; + brush->gpencil_settings->thick_smoothlvl = 3; + brush->gpencil_settings->draw_subdivide = 1; + + brush->smooth_stroke_radius = SMOOTH_STROKE_RADIUS; + brush->smooth_stroke_factor = SMOOTH_STROKE_FACTOR; + + brush->gpencil_settings->draw_strength = 1.0f; + + /* Soft Eraser brush */ + brush = BKE_brush_add_gpencil(bmain, ts, "Eraser Soft"); + brush->size = 30.0f; + brush->gpencil_settings->flag |= (GP_BRUSH_ENABLE_CURSOR | GP_BRUSH_DEFAULT_ERASER); + brush->gpencil_settings->icon_id = GP_BRUSH_ICON_ERASE_SOFT; + brush->gpencil_settings->brush_type = GP_BRUSH_TYPE_ERASE; + brush->gpencil_settings->eraser_mode = GP_BRUSH_ERASER_SOFT; + + /* Hard Eraser brush */ + brush = BKE_brush_add_gpencil(bmain, ts, "Eraser Hard"); + brush->size = 30.0f; + brush->gpencil_settings->flag |= GP_BRUSH_ENABLE_CURSOR; + brush->gpencil_settings->icon_id = GP_BRUSH_ICON_ERASE_HARD; + brush->gpencil_settings->brush_type = GP_BRUSH_TYPE_ERASE; + brush->gpencil_settings->eraser_mode = GP_BRUSH_ERASER_HARD; + + /* Stroke Eraser brush */ + brush = BKE_brush_add_gpencil(bmain, ts, "Eraser Stroke"); + brush->size = 30.0f; + brush->gpencil_settings->flag |= GP_BRUSH_ENABLE_CURSOR; + brush->gpencil_settings->icon_id = GP_BRUSH_ICON_ERASE_STROKE; + brush->gpencil_settings->brush_type = GP_BRUSH_TYPE_ERASE; + brush->gpencil_settings->eraser_mode = GP_BRUSH_ERASER_STROKE; + + /* set defaut brush */ + BKE_paint_brush_set(paint, deft); + +} + +/* get the active gp-brush for editing */ +Brush *BKE_brush_getactive_gpencil(ToolSettings *ts) +{ + /* error checking */ + if (ELEM(NULL, ts, ts->gp_paint)) { + return NULL; + } + Paint *paint = &ts->gp_paint->paint; + + return paint->brush; +} + struct Brush *BKE_brush_first_search(struct Main *bmain, const eObjectMode ob_mode) { Brush *brush; @@ -197,6 +562,12 @@ void BKE_brush_copy_data(Main *UNUSED(bmain), Brush *brush_dst, const Brush *bru } brush_dst->curve = curvemapping_copy(brush_src->curve); + if (brush_src->gpencil_settings != NULL) { + brush_dst->gpencil_settings = MEM_dupallocN(brush_src->gpencil_settings); + brush_dst->gpencil_settings->curve_sensitivity = curvemapping_copy(brush_src->gpencil_settings->curve_sensitivity); + brush_dst->gpencil_settings->curve_strength = curvemapping_copy(brush_src->gpencil_settings->curve_strength); + brush_dst->gpencil_settings->curve_jitter = curvemapping_copy(brush_src->gpencil_settings->curve_jitter); + } /* enable fake user by default */ id_fake_user_set(&brush_dst->id); @@ -215,11 +586,18 @@ void BKE_brush_free(Brush *brush) if (brush->icon_imbuf) { IMB_freeImBuf(brush->icon_imbuf); } - curvemapping_free(brush->curve); + if (brush->gpencil_settings != NULL) { + curvemapping_free(brush->gpencil_settings->curve_sensitivity); + curvemapping_free(brush->gpencil_settings->curve_strength); + curvemapping_free(brush->gpencil_settings->curve_jitter); + MEM_SAFE_FREE(brush->gpencil_settings); + } + MEM_SAFE_FREE(brush->gradient); + BKE_previewimg_free(&(brush->preview)); } |