diff options
Diffstat (limited to 'source/blender/editors/gpencil/gpencil_interpolate.c')
| -rw-r--r-- | source/blender/editors/gpencil/gpencil_interpolate.c | 224 |
1 files changed, 222 insertions, 2 deletions
diff --git a/source/blender/editors/gpencil/gpencil_interpolate.c b/source/blender/editors/gpencil/gpencil_interpolate.c index ca511493536..287a6f214c0 100644 --- a/source/blender/editors/gpencil/gpencil_interpolate.c +++ b/source/blender/editors/gpencil/gpencil_interpolate.c @@ -38,19 +38,22 @@ #include "MEM_guardedalloc.h" -#include "BLI_math.h" #include "BLI_blenlib.h" #include "BLI_utildefines.h" +#include "BLI_easing.h" +#include "BLI_math.h" #include "BLT_translation.h" +#include "DNA_color_types.h" +#include "DNA_gpencil_types.h" #include "DNA_object_types.h" #include "DNA_scene_types.h" #include "DNA_screen_types.h" #include "DNA_space_types.h" #include "DNA_view3d_types.h" -#include "DNA_gpencil_types.h" +#include "BKE_colortools.h" #include "BKE_context.h" #include "BKE_global.h" #include "BKE_gpencil.h" @@ -681,6 +684,209 @@ void GPENCIL_OT_interpolate(wmOperatorType *ot) /* ****************** Interpolate Sequence *********************** */ +/* Helper: Perform easing equation calculations for GP interpolation operator */ +static float gp_interpolate_seq_easing_calc(GP_Interpolate_Settings *ipo_settings, float time) +{ + const float begin = 0.0f; + const float change = 1.0f; + const float duration = 1.0f; + + const float back = ipo_settings->back; + const float amplitude = ipo_settings->amplitude; + const float period = ipo_settings->period; + + eBezTriple_Easing easing = ipo_settings->easing; + float result = time; + + switch (ipo_settings->type) { + case GP_IPO_BACK: + switch (easing) { + case BEZT_IPO_EASE_IN: + result = BLI_easing_back_ease_in(time, begin, change, duration, back); + break; + case BEZT_IPO_EASE_OUT: + result = BLI_easing_back_ease_out(time, begin, change, duration, back); + break; + case BEZT_IPO_EASE_IN_OUT: + result = BLI_easing_back_ease_in_out(time, begin, change, duration, back); + break; + + default: /* default/auto: same as ease out */ + result = BLI_easing_back_ease_out(time, begin, change, duration, back); + break; + } + break; + + case GP_IPO_BOUNCE: + switch (easing) { + case BEZT_IPO_EASE_IN: + result = BLI_easing_bounce_ease_in(time, begin, change, duration); + break; + case BEZT_IPO_EASE_OUT: + result = BLI_easing_bounce_ease_out(time, begin, change, duration); + break; + case BEZT_IPO_EASE_IN_OUT: + result = BLI_easing_bounce_ease_in_out(time, begin, change, duration); + break; + + default: /* default/auto: same as ease out */ + result = BLI_easing_bounce_ease_out(time, begin, change, duration); + break; + } + break; + + case BEZT_IPO_CIRC: + switch (easing) { + case BEZT_IPO_EASE_IN: + result = BLI_easing_circ_ease_in(time, begin, change, duration); + break; + case BEZT_IPO_EASE_OUT: + result = BLI_easing_circ_ease_out(time, begin, change, duration); + break; + case BEZT_IPO_EASE_IN_OUT: + result = BLI_easing_circ_ease_in_out(time, begin, change, duration); + break; + + default: /* default/auto: same as ease in */ + result = BLI_easing_circ_ease_in(time, begin, change, duration); + break; + } + break; + + case BEZT_IPO_CUBIC: + switch (easing) { + case BEZT_IPO_EASE_IN: + result = BLI_easing_cubic_ease_in(time, begin, change, duration); + break; + case BEZT_IPO_EASE_OUT: + result = BLI_easing_cubic_ease_out(time, begin, change, duration); + break; + case BEZT_IPO_EASE_IN_OUT: + result = BLI_easing_cubic_ease_in_out(time, begin, change, duration); + break; + + default: /* default/auto: same as ease in */ + result = BLI_easing_cubic_ease_in(time, begin, change, duration); + break; + } + break; + + case GP_IPO_ELASTIC: + switch (easing) { + case BEZT_IPO_EASE_IN: + result = BLI_easing_elastic_ease_in(time, begin, change, duration, amplitude, period); + break; + case BEZT_IPO_EASE_OUT: + result = BLI_easing_elastic_ease_out(time, begin, change, duration, amplitude, period); + break; + case BEZT_IPO_EASE_IN_OUT: + result = BLI_easing_elastic_ease_in_out(time, begin, change, duration, amplitude, period); + break; + + default: /* default/auto: same as ease out */ + result = BLI_easing_elastic_ease_out(time, begin, change, duration, amplitude, period); + break; + } + break; + + case GP_IPO_EXPO: + switch (easing) { + case BEZT_IPO_EASE_IN: + result = BLI_easing_expo_ease_in(time, begin, change, duration); + break; + case BEZT_IPO_EASE_OUT: + result = BLI_easing_expo_ease_out(time, begin, change, duration); + break; + case BEZT_IPO_EASE_IN_OUT: + result = BLI_easing_expo_ease_in_out(time, begin, change, duration); + break; + + default: /* default/auto: same as ease in */ + result = BLI_easing_expo_ease_in(time, begin, change, duration); + break; + } + break; + + case GP_IPO_QUAD: + switch (easing) { + case BEZT_IPO_EASE_IN: + result = BLI_easing_quad_ease_in(time, begin, change, duration); + break; + case BEZT_IPO_EASE_OUT: + result = BLI_easing_quad_ease_out(time, begin, change, duration); + break; + case BEZT_IPO_EASE_IN_OUT: + result = BLI_easing_quad_ease_in_out(time, begin, change, duration); + break; + + default: /* default/auto: same as ease in */ + result = BLI_easing_quad_ease_in(time, begin, change, duration); + break; + } + break; + + case GP_IPO_QUART: + switch (easing) { + case BEZT_IPO_EASE_IN: + result = BLI_easing_quart_ease_in(time, begin, change, duration); + break; + case BEZT_IPO_EASE_OUT: + result = BLI_easing_quart_ease_out(time, begin, change, duration); + break; + case BEZT_IPO_EASE_IN_OUT: + result = BLI_easing_quart_ease_in_out(time, begin, change, duration); + break; + + default: /* default/auto: same as ease in */ + result = BLI_easing_quart_ease_in(time, begin, change, duration); + break; + } + break; + + case GP_IPO_QUINT: + switch (easing) { + case BEZT_IPO_EASE_IN: + result = BLI_easing_quint_ease_in(time, begin, change, duration); + break; + case BEZT_IPO_EASE_OUT: + result = BLI_easing_quint_ease_out(time, begin, change, duration); + break; + case BEZT_IPO_EASE_IN_OUT: + result = BLI_easing_quint_ease_in_out(time, begin, change, duration); + break; + + default: /* default/auto: same as ease in */ + result = BLI_easing_quint_ease_in(time, begin, change, duration); + break; + } + break; + + case GP_IPO_SINE: + switch (easing) { + case BEZT_IPO_EASE_IN: + result = BLI_easing_sine_ease_in(time, begin, change, duration); + break; + case BEZT_IPO_EASE_OUT: + result = BLI_easing_sine_ease_out(time, begin, change, duration); + break; + case BEZT_IPO_EASE_IN_OUT: + result = BLI_easing_sine_ease_in_out(time, begin, change, duration); + break; + + default: /* default/auto: same as ease in */ + result = BLI_easing_sine_ease_in(time, begin, change, duration); + break; + } + break; + + default: + printf("%s: Unknown interpolation type - %d\n", __func__, ipo_settings->type); + break; + } + + return result; +} + static int gpencil_interpolate_seq_exec(bContext *C, wmOperator *op) { bGPdata *gpd = CTX_data_gpencil_data(C); @@ -730,6 +936,20 @@ static int gpencil_interpolate_seq_exec(bContext *C, wmOperator *op) /* get interpolation factor */ factor = (float)(cframe - prevFrame->framenum) / (nextFrame->framenum - prevFrame->framenum + 1); + if (ipo_settings->type == GP_IPO_CURVEMAP) { + /* custom curvemap */ + if (ipo_settings->custom_ipo) { + factor = curvemapping_evaluateF(ipo_settings->custom_ipo, 0, factor); + } + else { + BKE_report(op->reports, RPT_ERROR, "Custom interpolation curve does not exist"); + } + } + else if (ipo_settings->type >= GP_IPO_BACK) { + /* easing equation... */ + factor = gp_interpolate_seq_easing_calc(ipo_settings, factor); + } + /* create new strokes data with interpolated points reading original stroke */ for (gps_from = prevFrame->strokes.first; gps_from; gps_from = gps_from->next) { bGPDstroke *new_stroke; |