diff options
Diffstat (limited to 'source/blender/editors/interface/interface_region_color_picker.cc')
| -rw-r--r-- | source/blender/editors/interface/interface_region_color_picker.cc | 930 |
1 files changed, 930 insertions, 0 deletions
diff --git a/source/blender/editors/interface/interface_region_color_picker.cc b/source/blender/editors/interface/interface_region_color_picker.cc new file mode 100644 index 00000000000..e7195ca4643 --- /dev/null +++ b/source/blender/editors/interface/interface_region_color_picker.cc @@ -0,0 +1,930 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * The Original Code is Copyright (C) 2008 Blender Foundation. + * All rights reserved. + */ + +/** \file + * \ingroup edinterface + * + * Color Picker Region & Color Utils + */ + +#include <stdarg.h> +#include <stdlib.h> +#include <string.h> + +#include "MEM_guardedalloc.h" + +#include "DNA_userdef_types.h" + +#include "BLI_listbase.h" +#include "BLI_math.h" +#include "BLI_string.h" +#include "BLI_utildefines.h" + +#include "BKE_context.h" + +#include "WM_types.h" + +#include "RNA_access.h" + +#include "UI_interface.h" + +#include "BLT_translation.h" + +#include "ED_screen.h" + +#include "IMB_colormanagement.h" + +#include "interface_intern.h" + +enum ePickerType { + PICKER_TYPE_RGB = 0, + PICKER_TYPE_HSV = 1, + PICKER_TYPE_HEX = 2, +}; + +/* -------------------------------------------------------------------- */ +/** \name Color Conversion + * \{ */ + +static void ui_color_picker_rgb_round(float rgb[3]) +{ + /* Handle small rounding errors in color space conversions. Doing these for + * all color space conversions would be expensive, but for the color picker + * we can do the extra work. */ + for (int i = 0; i < 3; i++) { + if (fabsf(rgb[i]) < 1e-6f) { + rgb[i] = 0.0f; + } + else if (fabsf(1.0f - rgb[i]) < 1e-6f) { + rgb[i] = 1.0f; + } + } +} + +void ui_color_picker_rgb_to_hsv_compat(const float rgb[3], float r_cp[3]) +{ + /* Convert RGB to HSV, remaining as compatible as possible with the existing + * r_hsv value (for example when value goes to zero, preserve the hue). */ + switch (U.color_picker_type) { + case USER_CP_CIRCLE_HSL: + rgb_to_hsl_compat_v(rgb, r_cp); + break; + default: + rgb_to_hsv_compat_v(rgb, r_cp); + break; + } +} + +void ui_color_picker_rgb_to_hsv(const float rgb[3], float r_cp[3]) +{ + switch (U.color_picker_type) { + case USER_CP_CIRCLE_HSL: + rgb_to_hsl_v(rgb, r_cp); + break; + default: + rgb_to_hsv_v(rgb, r_cp); + break; + } +} + +void ui_color_picker_hsv_to_rgb(const float r_cp[3], float rgb[3]) +{ + switch (U.color_picker_type) { + case USER_CP_CIRCLE_HSL: + hsl_to_rgb_v(r_cp, rgb); + break; + default: + hsv_to_rgb_v(r_cp, rgb); + break; + } +} + +/* Returns true if the button is for a color with gamma baked in, + * or if it's a color picker for such a button. */ +bool ui_but_is_color_gamma(uiBut *but) +{ + if (but->rnaprop) { + if (RNA_property_subtype(but->rnaprop) == PROP_COLOR_GAMMA) { + return true; + } + } + + return but->block->is_color_gamma_picker; +} + +void ui_scene_linear_to_perceptual_space(uiBut *but, float rgb[3]) +{ + /* Map to color picking space for HSV values and HSV cube/circle, + * assuming it is more perceptually linear than the scene linear + * space for intuitive color picking. */ + if (!ui_but_is_color_gamma(but)) { + IMB_colormanagement_scene_linear_to_color_picking_v3(rgb); + ui_color_picker_rgb_round(rgb); + } +} + +void ui_perceptual_to_scene_linear_space(uiBut *but, float rgb[3]) +{ + if (!ui_but_is_color_gamma(but)) { + IMB_colormanagement_color_picking_to_scene_linear_v3(rgb); + ui_color_picker_rgb_round(rgb); + } +} + +/** \} */ + +/* -------------------------------------------------------------------- */ +/** \name Color Picker + * \{ */ + +static void ui_color_picker_update_hsv(ColorPicker *cpicker, + uiBut *from_but, + const float rgb_scene_linear[3]) +{ + /* Convert from RGB to HSV in scene linear space color for number editing. */ + if (cpicker->is_init == false) { + ui_color_picker_rgb_to_hsv(rgb_scene_linear, cpicker->hsv_scene_linear); + } + else { + ui_color_picker_rgb_to_hsv_compat(rgb_scene_linear, cpicker->hsv_scene_linear); + } + + /* Convert from RGB to HSV in perceptually linear space for picker widgets. */ + float rgb_perceptual[3]; + copy_v3_v3(rgb_perceptual, rgb_scene_linear); + if (from_but) { + ui_scene_linear_to_perceptual_space(from_but, rgb_perceptual); + } + + if (cpicker->is_init == false) { + ui_color_picker_rgb_to_hsv(rgb_perceptual, cpicker->hsv_perceptual); + copy_v3_v3(cpicker->hsv_perceptual_init, cpicker->hsv_perceptual); + } + else { + ui_color_picker_rgb_to_hsv_compat(rgb_perceptual, cpicker->hsv_perceptual); + } + + cpicker->is_init = true; +} + +/* for picker, while editing hsv */ +void ui_but_hsv_set(uiBut *but) +{ + float rgb_perceptual[3]; + ColorPicker *cpicker = (ColorPicker *)but->custom_data; + float *hsv_perceptual = cpicker->hsv_perceptual; + + ui_color_picker_hsv_to_rgb(hsv_perceptual, rgb_perceptual); + + ui_but_v3_set(but, rgb_perceptual); +} + +/* Updates all buttons who share the same color picker as the one passed + * also used by small picker, be careful with name checks below... */ +static void ui_update_color_picker_buts_rgb(uiBut *from_but, + uiBlock *block, + ColorPicker *cpicker, + const float rgb_scene_linear[3]) +{ + ui_color_picker_update_hsv(cpicker, from_but, rgb_scene_linear); + + /* this updates button strings, + * is hackish... but button pointers are on stack of caller function */ + LISTBASE_FOREACH (uiBut *, bt, &block->buttons) { + if (bt->custom_data != cpicker) { + continue; + } + + if (bt->rnaprop) { + ui_but_v3_set(bt, rgb_scene_linear); + + /* original button that created the color picker already does undo + * push, so disable it on RNA buttons in the color picker block */ + UI_but_flag_disable(bt, UI_BUT_UNDO); + } + else if (STREQ(bt->str, "Hex: ")) { + float rgb_hex[3]; + uchar rgb_hex_uchar[3]; + char col[16]; + + /* Hex code is assumed to be in sRGB space + * (coming from other applications, web, etc) */ + copy_v3_v3(rgb_hex, rgb_scene_linear); + if (from_but && !ui_but_is_color_gamma(from_but)) { + IMB_colormanagement_scene_linear_to_srgb_v3(rgb_hex); + ui_color_picker_rgb_round(rgb_hex); + } + + rgb_float_to_uchar(rgb_hex_uchar, rgb_hex); + BLI_snprintf(col, sizeof(col), "%02X%02X%02X", UNPACK3_EX((uint), rgb_hex_uchar, )); + + strcpy(bt->poin, col); + } + else if (bt->str[1] == ' ') { + if (bt->str[0] == 'R') { + ui_but_value_set(bt, rgb_scene_linear[0]); + } + else if (bt->str[0] == 'G') { + ui_but_value_set(bt, rgb_scene_linear[1]); + } + else if (bt->str[0] == 'B') { + ui_but_value_set(bt, rgb_scene_linear[2]); + } + else if (bt->str[0] == 'H') { + ui_but_value_set(bt, cpicker->hsv_scene_linear[0]); + } + else if (bt->str[0] == 'S') { + ui_but_value_set(bt, cpicker->hsv_scene_linear[1]); + } + else if (bt->str[0] == 'V') { + ui_but_value_set(bt, cpicker->hsv_scene_linear[2]); + } + else if (bt->str[0] == 'L') { + ui_but_value_set(bt, cpicker->hsv_scene_linear[2]); + } + } + + ui_but_update(bt); + } +} + +static void ui_colorpicker_rgba_update_cb(bContext *UNUSED(C), void *bt1, void *UNUSED(arg)) +{ + uiBut *but = (uiBut *)bt1; + uiPopupBlockHandle *popup = but->block->handle; + PropertyRNA *prop = but->rnaprop; + PointerRNA ptr = but->rnapoin; + float rgb_scene_linear[4]; + + if (prop) { + RNA_property_float_get_array(&ptr, prop, rgb_scene_linear); + ui_update_color_picker_buts_rgb( + but, but->block, (ColorPicker *)but->custom_data, rgb_scene_linear); + } + + if (popup) { + popup->menuretval = UI_RETURN_UPDATE; + } +} + +static void ui_colorpicker_hsv_update_cb(bContext *UNUSED(C), void *bt1, void *UNUSED(arg)) +{ + uiBut *but = (uiBut *)bt1; + uiPopupBlockHandle *popup = but->block->handle; + float rgb_scene_linear[3]; + ColorPicker *cpicker = (ColorPicker *)but->custom_data; + + ui_color_picker_hsv_to_rgb(cpicker->hsv_scene_linear, rgb_scene_linear); + ui_update_color_picker_buts_rgb(but, but->block, cpicker, rgb_scene_linear); + + if (popup) { + popup->menuretval = UI_RETURN_UPDATE; + } +} + +static void ui_colorpicker_hex_rna_cb(bContext *UNUSED(C), void *bt1, void *hexcl) +{ + uiBut *but = (uiBut *)bt1; + uiPopupBlockHandle *popup = but->block->handle; + ColorPicker *cpicker = (ColorPicker *)but->custom_data; + char *hexcol = (char *)hexcl; + float rgb[3]; + + hex_to_rgb(hexcol, rgb, rgb + 1, rgb + 2); + + /* Hex code is assumed to be in sRGB space (coming from other applications, web, etc) */ + if (!ui_but_is_color_gamma(but)) { + IMB_colormanagement_srgb_to_scene_linear_v3(rgb); + ui_color_picker_rgb_round(rgb); + } + + ui_update_color_picker_buts_rgb(but, but->block, cpicker, rgb); + + if (popup) { + popup->menuretval = UI_RETURN_UPDATE; + } +} + +static void ui_popup_close_cb(bContext *UNUSED(C), void *bt1, void *UNUSED(arg)) +{ + uiBut *but = (uiBut *)bt1; + uiPopupBlockHandle *popup = but->block->handle; + + if (popup) { + ColorPicker *cpicker = (ColorPicker *)but->custom_data; + BLI_assert(cpicker->is_init); + popup->menuretval = (equals_v3v3(cpicker->hsv_perceptual, cpicker->hsv_perceptual_init) ? + UI_RETURN_CANCEL : + UI_RETURN_OK); + } +} + +static void ui_colorpicker_hide_reveal(uiBlock *block, enum ePickerType colormode) +{ + /* tag buttons */ + LISTBASE_FOREACH (uiBut *, bt, &block->buttons) { + if ((bt->func == ui_colorpicker_rgba_update_cb) && (bt->type == UI_BTYPE_NUM_SLIDER) && + (bt->rnaindex != 3)) { + /* RGB sliders (color circle and alpha are always shown) */ + SET_FLAG_FROM_TEST(bt->flag, (colormode != PICKER_TYPE_RGB), UI_HIDDEN); + } + else if (bt->func == ui_colorpicker_hsv_update_cb) { + /* HSV sliders */ + SET_FLAG_FROM_TEST(bt->flag, (colormode != PICKER_TYPE_HSV), UI_HIDDEN); + } + else if (bt->func == ui_colorpicker_hex_rna_cb || bt->type == UI_BTYPE_LABEL) { + /* HEX input or gamma correction status label */ + SET_FLAG_FROM_TEST(bt->flag, (colormode != PICKER_TYPE_HEX), UI_HIDDEN); + } + } +} + +static void ui_colorpicker_create_mode_cb(bContext *UNUSED(C), void *bt1, void *UNUSED(arg)) +{ + uiBut *bt = (uiBut *)bt1; + const short colormode = ui_but_value_get(bt); + ui_colorpicker_hide_reveal(bt->block, (ePickerType)colormode); +} + +#define PICKER_H (7.5f * U.widget_unit) +#define PICKER_W (7.5f * U.widget_unit) +#define PICKER_SPACE (0.3f * U.widget_unit) +#define PICKER_BAR (0.7f * U.widget_unit) + +#define PICKER_TOTAL_W (PICKER_W + PICKER_SPACE + PICKER_BAR) + +static void ui_colorpicker_circle(uiBlock *block, + PointerRNA *ptr, + PropertyRNA *prop, + ColorPicker *cpicker) +{ + uiBut *bt; + uiButHSVCube *hsv_but; + + /* HS circle */ + bt = uiDefButR_prop(block, + UI_BTYPE_HSVCIRCLE, + 0, + "", + 0, + 0, + PICKER_H, + PICKER_W, + ptr, + prop, + -1, + 0.0, + 0.0, + 0.0, + 0, + TIP_("Color")); + UI_but_func_set(bt, ui_colorpicker_rgba_update_cb, bt, NULL); + bt->custom_data = cpicker; + + /* value */ + if (U.color_picker_type == USER_CP_CIRCLE_HSL) { + hsv_but = (uiButHSVCube *)uiDefButR_prop(block, + UI_BTYPE_HSVCUBE, + 0, + "", + PICKER_W + PICKER_SPACE, + 0, + PICKER_BAR, + PICKER_H, + ptr, + prop, + -1, + 0.0, + 0.0, + 0, + 0, + "Lightness"); + hsv_but->gradient_type = UI_GRAD_L_ALT; + UI_but_func_set(&hsv_but->but, ui_colorpicker_rgba_update_cb, &hsv_but->but, NULL); + } + else { + hsv_but = (uiButHSVCube *)uiDefButR_prop(block, + UI_BTYPE_HSVCUBE, + 0, + "", + PICKER_W + PICKER_SPACE, + 0, + PICKER_BAR, + PICKER_H, + ptr, + prop, + -1, + 0.0, + 0.0, + 0, + 0, + TIP_("Value")); + hsv_but->gradient_type = UI_GRAD_V_ALT; + UI_but_func_set(&hsv_but->but, ui_colorpicker_rgba_update_cb, &hsv_but->but, NULL); + } + hsv_but->but.custom_data = cpicker; +} + +static void ui_colorpicker_square(uiBlock *block, + PointerRNA *ptr, + PropertyRNA *prop, + eButGradientType type, + ColorPicker *cpicker) +{ + uiButHSVCube *hsv_but; + + BLI_assert(type <= UI_GRAD_HS); + + /* HS square */ + hsv_but = (uiButHSVCube *)uiDefButR_prop(block, + UI_BTYPE_HSVCUBE, + 0, + "", + 0, + PICKER_BAR + PICKER_SPACE, + PICKER_TOTAL_W, + PICKER_H, + ptr, + prop, + -1, + 0.0, + 0.0, + 0, + 0, + TIP_("Color")); + hsv_but->gradient_type = type; + UI_but_func_set(&hsv_but->but, ui_colorpicker_rgba_update_cb, &hsv_but->but, NULL); + hsv_but->but.custom_data = cpicker; + + /* value */ + hsv_but = (uiButHSVCube *)uiDefButR_prop(block, + UI_BTYPE_HSVCUBE, + 0, + "", + 0, + 0, + PICKER_TOTAL_W, + PICKER_BAR, + ptr, + prop, + -1, + 0.0, + 0.0, + 0, + 0, + TIP_("Value")); + hsv_but->gradient_type = (eButGradientType)(type + 3); + UI_but_func_set(&hsv_but->but, ui_colorpicker_rgba_update_cb, &hsv_but->but, NULL); + hsv_but->but.custom_data = cpicker; +} + +/* a HS circle, V slider, rgb/hsv/hex sliders */ +static void ui_block_colorpicker(uiBlock *block, + uiBut *from_but, + float rgba_scene_linear[4], + bool show_picker) +{ + /* ePickerType */ + static char colormode = 1; + uiBut *bt; + int width, butwidth; + static char hexcol[128]; + float softmin, softmax, hardmin, hardmax, step, precision; + int yco; + ColorPicker *cpicker = ui_block_colorpicker_create(block); + PointerRNA *ptr = &from_but->rnapoin; + PropertyRNA *prop = from_but->rnaprop; + + width = PICKER_TOTAL_W; + butwidth = width - 1.5f * UI_UNIT_X; + + /* sneaky way to check for alpha */ + rgba_scene_linear[3] = FLT_MAX; + + RNA_property_float_ui_range(ptr, prop, &softmin, &softmax, &step, &precision); + RNA_property_float_range(ptr, prop, &hardmin, &hardmax); + RNA_property_float_get_array(ptr, prop, rgba_scene_linear); + + ui_color_picker_update_hsv(cpicker, from_but, rgba_scene_linear); + + /* when the softmax isn't defined in the RNA, + * using very large numbers causes sRGB/linear round trip to fail. */ + if (softmax == FLT_MAX) { + softmax = 1.0f; + } + + switch (U.color_picker_type) { + case USER_CP_SQUARE_SV: + ui_colorpicker_square(block, ptr, prop, UI_GRAD_SV, cpicker); + break; + case USER_CP_SQUARE_HS: + ui_colorpicker_square(block, ptr, prop, UI_GRAD_HS, cpicker); + break; + case USER_CP_SQUARE_HV: + ui_colorpicker_square(block, ptr, prop, UI_GRAD_HV, cpicker); + break; + + /* user default */ + case USER_CP_CIRCLE_HSV: + case USER_CP_CIRCLE_HSL: + default: + ui_colorpicker_circle(block, ptr, prop, cpicker); + break; + } + + /* mode */ + yco = -1.5f * UI_UNIT_Y; + UI_block_align_begin(block); + bt = uiDefButC(block, + UI_BTYPE_ROW, + 0, + IFACE_("RGB"), + 0, + yco, + width / 3, + UI_UNIT_Y, + &colormode, + 0.0, + (float)PICKER_TYPE_RGB, + 0, + 0, + ""); + UI_but_flag_disable(bt, UI_BUT_UNDO); + UI_but_drawflag_disable(bt, UI_BUT_TEXT_LEFT); + UI_but_func_set(bt, ui_colorpicker_create_mode_cb, bt, NULL); + bt->custom_data = cpicker; + bt = uiDefButC(block, + UI_BTYPE_ROW, + 0, + IFACE_((U.color_picker_type == USER_CP_CIRCLE_HSL) ? "HSL" : "HSV"), + width / 3, + yco, + width / 3, + UI_UNIT_Y, + &colormode, + 0.0, + PICKER_TYPE_HSV, + 0, + 0, + ""); + UI_but_flag_disable(bt, UI_BUT_UNDO); + UI_but_drawflag_disable(bt, UI_BUT_TEXT_LEFT); + UI_but_func_set(bt, ui_colorpicker_create_mode_cb, bt, NULL); + bt->custom_data = cpicker; + bt = uiDefButC(block, + UI_BTYPE_ROW, + 0, + IFACE_("Hex"), + 2 * width / 3, + yco, + width / 3, + UI_UNIT_Y, + &colormode, + 0.0, + PICKER_TYPE_HEX, + 0, + 0, + ""); + UI_but_flag_disable(bt, UI_BUT_UNDO); + UI_but_drawflag_disable(bt, UI_BUT_TEXT_LEFT); + UI_but_func_set(bt, ui_colorpicker_create_mode_cb, bt, NULL); + bt->custom_data = cpicker; + UI_block_align_end(block); + + yco = -3.0f * UI_UNIT_Y; + if (show_picker) { + bt = uiDefIconButO(block, + UI_BTYPE_BUT, + "UI_OT_eyedropper_color", + WM_OP_INVOKE_DEFAULT, + ICON_EYEDROPPER, + butwidth + 10, + yco, + UI_UNIT_X, + UI_UNIT_Y, + NULL); + UI_but_flag_disable(bt, UI_BUT_UNDO); + UI_but_drawflag_disable(bt, UI_BUT_ICON_LEFT); + UI_but_func_set(bt, ui_popup_close_cb, bt, NULL); + bt->custom_data = cpicker; + } + + /* Note: don't disable UI_BUT_UNDO for RGBA values, since these don't add undo steps. */ + + /* RGB values */ + UI_block_align_begin(block); + bt = uiDefButR_prop(block, + UI_BTYPE_NUM_SLIDER, + 0, + IFACE_("R:"), + 0, + yco, + butwidth, + UI_UNIT_Y, + ptr, + prop, + 0, + 0.0, + 0.0, + 0, + 3, + TIP_("Red")); + UI_but_func_set(bt, ui_colorpicker_rgba_update_cb, bt, NULL); + bt->custom_data = cpicker; + bt = uiDefButR_prop(block, + UI_BTYPE_NUM_SLIDER, + 0, + IFACE_("G:"), + 0, + yco -= UI_UNIT_Y, + butwidth, + UI_UNIT_Y, + ptr, + prop, + 1, + 0.0, + 0.0, + 0, + 3, + TIP_("Green")); + UI_but_func_set(bt, ui_colorpicker_rgba_update_cb, bt, NULL); + bt->custom_data = cpicker; + bt = uiDefButR_prop(block, + UI_BTYPE_NUM_SLIDER, + 0, + IFACE_("B:"), + 0, + yco -= UI_UNIT_Y, + butwidth, + UI_UNIT_Y, + ptr, + prop, + 2, + 0.0, + 0.0, + 0, + 3, + TIP_("Blue")); + UI_but_func_set(bt, ui_colorpicker_rgba_update_cb, bt, NULL); + bt->custom_data = cpicker; + + /* Could use: + * uiItemFullR(col, ptr, prop, -1, 0, UI_ITEM_R_EXPAND | UI_ITEM_R_SLIDER, "", ICON_NONE); + * but need to use UI_but_func_set for updating other fake buttons */ + + /* HSV values */ + yco = -3.0f * UI_UNIT_Y; + UI_block_align_begin(block); + bt = uiDefButF(block, + UI_BTYPE_NUM_SLIDER, + 0, + IFACE_("H:"), + 0, + yco, + butwidth, + UI_UNIT_Y, + cpicker->hsv_scene_linear, + 0.0, + 1.0, + 10, + 3, + TIP_("Hue")); + UI_but_flag_disable(bt, UI_BUT_UNDO); + UI_but_func_set(bt, ui_colorpicker_hsv_update_cb, bt, NULL); + bt->custom_data = cpicker; + bt = uiDefButF(block, + UI_BTYPE_NUM_SLIDER, + 0, + IFACE_("S:"), + 0, + yco -= UI_UNIT_Y, + butwidth, + UI_UNIT_Y, + cpicker->hsv_scene_linear + 1, + 0.0, + 1.0, + 10, + 3, + TIP_("Saturation")); + UI_but_flag_disable(bt, UI_BUT_UNDO); + UI_but_func_set(bt, ui_colorpicker_hsv_update_cb, bt, NULL); + bt->custom_data = cpicker; + if (U.color_picker_type == USER_CP_CIRCLE_HSL) { + bt = uiDefButF(block, + UI_BTYPE_NUM_SLIDER, + 0, + IFACE_("L:"), + 0, + yco -= UI_UNIT_Y, + butwidth, + UI_UNIT_Y, + cpicker->hsv_scene_linear + 2, + 0.0, + 1.0, + 10, + 3, + TIP_("Lightness")); + } + else { + bt = uiDefButF(block, + UI_BTYPE_NUM_SLIDER, + 0, + IFACE_("V:"), + 0, + yco -= UI_UNIT_Y, + butwidth, + UI_UNIT_Y, + cpicker->hsv_scene_linear + 2, + 0.0, + softmax, + 10, + 3, + TIP_("Value")); + } + UI_but_flag_disable(bt, UI_BUT_UNDO); + + bt->hardmax = hardmax; /* not common but rgb may be over 1.0 */ + UI_but_func_set(bt, ui_colorpicker_hsv_update_cb, bt, NULL); + bt->custom_data = cpicker; + + UI_block_align_end(block); + + if (rgba_scene_linear[3] != FLT_MAX) { + bt = uiDefButR_prop(block, + UI_BTYPE_NUM_SLIDER, + 0, + IFACE_("A: "), + 0, + yco -= UI_UNIT_Y, + butwidth, + UI_UNIT_Y, + ptr, + prop, + 3, + 0.0, + 0.0, + 0, + 3, + TIP_("Alpha")); + UI_but_func_set(bt, ui_colorpicker_rgba_update_cb, bt, NULL); + bt->custom_data = cpicker; + } + else { + rgba_scene_linear[3] = 1.0f; + } + + /* Hex color is in sRGB space. */ + float rgb_hex[3]; + uchar rgb_hex_uchar[3]; + + copy_v3_v3(rgb_hex, rgba_scene_linear); + + if (!ui_but_is_color_gamma(from_but)) { + IMB_colormanagement_scene_linear_to_srgb_v3(rgb_hex); + ui_color_picker_rgb_round(rgb_hex); + } + + rgb_float_to_uchar(rgb_hex_uchar, rgb_hex); + BLI_snprintf(hexcol, sizeof(hexcol), "%02X%02X%02X", UNPACK3_EX((uint), rgb_hex_uchar, )); + + yco = -3.0f * UI_UNIT_Y; + bt = uiDefBut(block, + UI_BTYPE_TEXT, + 0, + IFACE_("Hex: "), + 0, + yco, + butwidth, + UI_UNIT_Y, + hexcol, + 0, + 8, + 0, + 0, + TIP_("Hex triplet for color (#RRGGBB)")); + UI_but_flag_disable(bt, UI_BUT_UNDO); + UI_but_func_set(bt, ui_colorpicker_hex_rna_cb, bt, hexcol); + bt->custom_data = cpicker; + uiDefBut(block, + UI_BTYPE_LABEL, + 0, + IFACE_("(Gamma Corrected)"), + 0, + yco - UI_UNIT_Y, + butwidth, + UI_UNIT_Y, + NULL, + 0.0, + 0.0, + 0, + 0, + ""); + + ui_colorpicker_hide_reveal(block, (ePickerType)colormode); +} + +static int ui_colorpicker_small_wheel_cb(const bContext *UNUSED(C), + uiBlock *block, + const wmEvent *event) +{ + float add = 0.0f; + + if (event->type == WHEELUPMOUSE) { + add = 0.05f; + } + else if (event->type == WHEELDOWNMOUSE) { + add = -0.05f; + } + + if (add != 0.0f) { + LISTBASE_FOREACH (uiBut *, but, &block->buttons) { + if (but->type == UI_BTYPE_HSVCUBE && but->active == NULL) { + uiPopupBlockHandle *popup = block->handle; + ColorPicker *cpicker = (ColorPicker *)but->custom_data; + float *hsv_perceptual = cpicker->hsv_perceptual; + + float rgb_perceptual[3]; + ui_but_v3_get(but, rgb_perceptual); + ui_scene_linear_to_perceptual_space(but, rgb_perceptual); + ui_color_picker_rgb_to_hsv_compat(rgb_perceptual, hsv_perceptual); + + hsv_perceptual[2] = clamp_f(hsv_perceptual[2] + add, 0.0f, 1.0f); + + float rgb_scene_linear[3]; + ui_color_picker_hsv_to_rgb(hsv_perceptual, rgb_scene_linear); + ui_perceptual_to_scene_linear_space(but, rgb_scene_linear); + ui_but_v3_set(but, rgb_scene_linear); + + ui_update_color_picker_buts_rgb(but, block, cpicker, rgb_scene_linear); + if (popup) { + popup->menuretval = UI_RETURN_UPDATE; + } + + return 1; + } + } + } + return 0; +} + +uiBlock *ui_block_func_COLOR(bContext *C, uiPopupBlockHandle *handle, void *arg_but) +{ + uiBut *but = (uiBut *)arg_but; + uiBlock *block; + bool show_picker = true; + + block = UI_block_begin(C, handle->region, __func__, UI_EMBOSS); + + if (ui_but_is_color_gamma(but)) { + block->is_color_gamma_picker = true; + } + + if (but->block) { + /* if color block is invoked from a popup we wouldn't be able to set color properly + * this is because color picker will close popups first and then will try to figure + * out active button RNA, and of course it'll fail + */ + show_picker = (but->block->flag & UI_BLOCK_POPUP) == 0; + } + + copy_v3_v3(handle->retvec, but->editvec); + + ui_block_colorpicker(block, but, handle->retvec, show_picker); + + block->flag = UI_BLOCK_LOOP | UI_BLOCK_KEEP_OPEN | UI_BLOCK_OUT_1 | UI_BLOCK_MOVEMOUSE_QUIT; + UI_block_theme_style_set(block, UI_BLOCK_THEME_STYLE_POPUP); + UI_block_bounds_set_normal(block, 0.5 * UI_UNIT_X); + + block->block_event_func = ui_colorpicker_small_wheel_cb; + + /* and lets go */ + block->direction = UI_DIR_UP; + + return block; +} + +ColorPicker *ui_block_colorpicker_create(struct uiBlock *block) +{ + ColorPicker *cpicker = (ColorPicker *)MEM_callocN(sizeof(ColorPicker), "color_picker"); + BLI_addhead(&block->color_pickers.list, cpicker); + + return cpicker; +} + +/** \} */ |