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move eyedropper into its own file, uses mostly different includes to interface_ops.c

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This commit is contained in:
Campbell Barton
2013-10-08 15:07:52 +00:00
parent e8551313f6
commit ed758beb66
4 changed files with 341 additions and 288 deletions
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1
source/blender/editors/interface/CMakeLists.txt
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@@ -40,6 +40,7 @@ set(SRC
interface.c
interface_anim.c
interface_draw.c
interface_eyedropper.c
interface_handlers.c
interface_icons.c
interface_layout.c

333
source/blender/editors/interface/interface_eyedropper.c Normal file
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@@ -0,0 +1,333 @@
/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* 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) 2009 Blender Foundation.
* All rights reserved.
*
* Contributor(s): Blender Foundation, Joshua Leung
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/editors/interface/interface_eyedropper.c
* \ingroup edinterface
*/
#include "MEM_guardedalloc.h"
#include "DNA_space_types.h"
#include "DNA_screen_types.h"
#include "BLI_blenlib.h"
#include "BLI_math_vector.h"
#include "BKE_context.h"
#include "BKE_screen.h"
#include "RNA_access.h"
#include "BIF_gl.h"
#include "UI_interface.h"
#include "IMB_colormanagement.h"
#include "interface_intern.h"
#include "WM_api.h"
#include "WM_types.h"
/* for HDR color sampling */
#include "ED_image.h"
#include "ED_node.h"
#include "ED_clip.h"
/** \name Eyedropper (RGB Color)
* \{ */
typedef struct Eyedropper {
struct ColorManagedDisplay *display;
PointerRNA ptr;
PropertyRNA *prop;
int index;
int accum_start; /* has mouse been presed */
float accum_col[3];
int accum_tot;
} Eyedropper;
static int eyedropper_init(bContext *C, wmOperator *op)
{
Scene *scene = CTX_data_scene(C);
Eyedropper *eye;
op->customdata = eye = MEM_callocN(sizeof(Eyedropper), "Eyedropper");
uiContextActiveProperty(C, &eye->ptr, &eye->prop, &eye->index);
if ((eye->ptr.data == NULL) ||
(eye->prop == NULL) ||
(RNA_property_editable(&eye->ptr, eye->prop) == FALSE) ||
(RNA_property_array_length(&eye->ptr, eye->prop) < 3) ||
(RNA_property_type(eye->prop) != PROP_FLOAT))
{
return FALSE;
}
if (RNA_property_subtype(eye->prop) == PROP_COLOR) {
const char *display_device;
display_device = scene->display_settings.display_device;
eye->display = IMB_colormanagement_display_get_named(display_device);
}
return TRUE;
}
static void eyedropper_exit(bContext *C, wmOperator *op)
{
WM_cursor_modal_restore(CTX_wm_window(C));
if (op->customdata)
MEM_freeN(op->customdata);
op->customdata = NULL;
}
static int eyedropper_cancel(bContext *C, wmOperator *op)
{
eyedropper_exit(C, op);
return OPERATOR_CANCELLED;
}
/* *** eyedropper_color_ helper functions *** */
/**
* \brief get the color from the screen.
*
* Special check for image or nodes where we MAY have HDR pixels which don't display.
*/
static void eyedropper_color_sample_fl(bContext *C, Eyedropper *UNUSED(eye), int mx, int my, float r_col[3])
{
/* we could use some clever */
wmWindow *win = CTX_wm_window(C);
ScrArea *sa;
for (sa = win->screen->areabase.first; sa; sa = sa->next) {
if (BLI_rcti_isect_pt(&sa->totrct, mx, my)) {
if (sa->spacetype == SPACE_IMAGE) {
ARegion *ar = BKE_area_find_region_type(sa, RGN_TYPE_WINDOW);
if (ar && BLI_rcti_isect_pt(&ar->winrct, mx, my)) {
SpaceImage *sima = sa->spacedata.first;
int mval[2] = {mx - ar->winrct.xmin,
my - ar->winrct.ymin};
if (ED_space_image_color_sample(sima, ar, mval, r_col)) {
return;
}
}
}
else if (sa->spacetype == SPACE_NODE) {
ARegion *ar = BKE_area_find_region_type(sa, RGN_TYPE_WINDOW);
if (ar && BLI_rcti_isect_pt(&ar->winrct, mx, my)) {
SpaceNode *snode = sa->spacedata.first;
int mval[2] = {mx - ar->winrct.xmin,
my - ar->winrct.ymin};
if (ED_space_node_color_sample(snode, ar, mval, r_col)) {
return;
}
}
}
else if (sa->spacetype == SPACE_CLIP) {
ARegion *ar = BKE_area_find_region_type(sa, RGN_TYPE_WINDOW);
if (ar && BLI_rcti_isect_pt(&ar->winrct, mx, my)) {
SpaceClip *sc = sa->spacedata.first;
int mval[2] = {mx - ar->winrct.xmin,
my - ar->winrct.ymin};
if (ED_space_clip_color_sample(sc, ar, mval, r_col)) {
return;
}
}
}
}
}
/* fallback to simple opengl picker */
glReadBuffer(GL_FRONT);
glReadPixels(mx, my, 1, 1, GL_RGB, GL_FLOAT, r_col);
glReadBuffer(GL_BACK);
}
/* sets the sample color RGB, maintaining A */
static void eyedropper_color_set(bContext *C, Eyedropper *eye, const float col[3])
{
float col_conv[4];
/* to maintain alpha */
RNA_property_float_get_array(&eye->ptr, eye->prop, col_conv);
/* convert from display space to linear rgb space */
if (eye->display) {
copy_v3_v3(col_conv, col);
IMB_colormanagement_display_to_scene_linear_v3(col_conv, eye->display);
}
else {
copy_v3_v3(col_conv, col);
}
RNA_property_float_set_array(&eye->ptr, eye->prop, col_conv);
RNA_property_update(C, &eye->ptr, eye->prop);
}
/* set sample from accumulated values */
static void eyedropper_color_set_accum(bContext *C, Eyedropper *eye)
{
float col[3];
mul_v3_v3fl(col, eye->accum_col, 1.0f / (float)eye->accum_tot);
eyedropper_color_set(C, eye, col);
}
/* single point sample & set */
static void eyedropper_color_sample(bContext *C, Eyedropper *eye, int mx, int my)
{
float col[3];
eyedropper_color_sample_fl(C, eye, mx, my, col);
eyedropper_color_set(C, eye, col);
}
static void eyedropper_color_sample_accum(bContext *C, Eyedropper *eye, int mx, int my)
{
float col[3];
eyedropper_color_sample_fl(C, eye, mx, my, col);
/* delay linear conversion */
add_v3_v3(eye->accum_col, col);
eye->accum_tot++;
}
/* main modal status check */
static int eyedropper_modal(bContext *C, wmOperator *op, const wmEvent *event)
{
Eyedropper *eye = (Eyedropper *)op->customdata;
switch (event->type) {
case ESCKEY:
case RIGHTMOUSE:
return eyedropper_cancel(C, op);
case LEFTMOUSE:
if (event->val == KM_RELEASE) {
if (eye->accum_tot == 0) {
eyedropper_color_sample(C, eye, event->x, event->y);
}
else {
eyedropper_color_set_accum(C, eye);
}
eyedropper_exit(C, op);
return OPERATOR_FINISHED;
}
else if (event->val == KM_PRESS) {
/* enable accum and make first sample */
eye->accum_start = TRUE;
eyedropper_color_sample_accum(C, eye, event->x, event->y);
}
break;
case MOUSEMOVE:
if (eye->accum_start) {
/* button is pressed so keep sampling */
eyedropper_color_sample_accum(C, eye, event->x, event->y);
eyedropper_color_set_accum(C, eye);
}
break;
case SPACEKEY:
if (event->val == KM_RELEASE) {
eye->accum_tot = 0;
zero_v3(eye->accum_col);
eyedropper_color_sample_accum(C, eye, event->x, event->y);
eyedropper_color_set_accum(C, eye);
}
break;
}
return OPERATOR_RUNNING_MODAL;
}
/* Modal Operator init */
static int eyedropper_invoke(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
{
/* init */
if (eyedropper_init(C, op)) {
WM_cursor_modal_set(CTX_wm_window(C), BC_EYEDROPPER_CURSOR);
/* add temp handler */
WM_event_add_modal_handler(C, op);
return OPERATOR_RUNNING_MODAL;
}
else {
eyedropper_exit(C, op);
return OPERATOR_CANCELLED;
}
}
/* Repeat operator */
static int eyedropper_exec(bContext *C, wmOperator *op)
{
/* init */
if (eyedropper_init(C, op)) {
/* do something */
/* cleanup */
eyedropper_exit(C, op);
return OPERATOR_FINISHED;
}
else {
return OPERATOR_CANCELLED;
}
}
static int eyedropper_poll(bContext *C)
{
if (!CTX_wm_window(C)) return 0;
else return 1;
}
void UI_OT_eyedropper_color(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Eyedropper";
ot->idname = "UI_OT_eyedropper_color";
ot->description = "Sample a color from the Blender Window to store in a property";
/* api callbacks */
ot->invoke = eyedropper_invoke;
ot->modal = eyedropper_modal;
ot->cancel = eyedropper_cancel;
ot->exec = eyedropper_exec;
ot->poll = eyedropper_poll;
/* flags */
ot->flag = OPTYPE_BLOCKING;
/* properties */
}
/** \} */

5
source/blender/editors/interface/interface_intern.h
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@@ -584,4 +584,7 @@ int ui_but_anim_expression_set(uiBut *but, const char *str);
int ui_but_anim_expression_create(uiBut *but, const char *str);
void ui_but_anim_autokey(struct bContext *C, uiBut *but, struct Scene *scene, float cfra);
#endif
/* interface_eyedropper.c */
void UI_OT_eyedropper_color(struct wmOperatorType *ot);
#endif /* __INTERFACE_INTERN_H__ */

290
source/blender/editors/interface/interface_ops.c
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@@ -27,20 +27,14 @@
* \ingroup edinterface
*/
#include <stdio.h>
#include <math.h>
#include <string.h>
#include "MEM_guardedalloc.h"
#include "DNA_scene_types.h"
#include "DNA_screen_types.h"
#include "DNA_text_types.h" /* for UI_OT_reports_to_text */
#include "BLI_blenlib.h"
#include "BLI_math_color.h"
#include "BLI_math_vector.h"
#include "BLI_utildefines.h"
#include "BLF_api.h"
#include "BLF_translation.h"
@@ -54,12 +48,8 @@
#include "RNA_access.h"
#include "RNA_define.h"
#include "BIF_gl.h"
#include "UI_interface.h"
#include "IMB_colormanagement.h"
#include "interface_intern.h"
#include "WM_api.h"
@@ -70,282 +60,6 @@
#include "BKE_main.h"
#include "BLI_ghash.h"
#include "ED_image.h" /* for HDR color sampling */
#include "ED_node.h" /* for HDR color sampling */
#include "ED_clip.h" /* for HDR color sampling */
/* ********************************************************** */
typedef struct Eyedropper {
struct ColorManagedDisplay *display;
PointerRNA ptr;
PropertyRNA *prop;
int index;
int accum_start; /* has mouse been presed */
float accum_col[3];
int accum_tot;
} Eyedropper;
static int eyedropper_init(bContext *C, wmOperator *op)
{
Scene *scene = CTX_data_scene(C);
Eyedropper *eye;
op->customdata = eye = MEM_callocN(sizeof(Eyedropper), "Eyedropper");
uiContextActiveProperty(C, &eye->ptr, &eye->prop, &eye->index);
if ((eye->ptr.data == NULL) ||
(eye->prop == NULL) ||
(RNA_property_editable(&eye->ptr, eye->prop) == FALSE) ||
(RNA_property_array_length(&eye->ptr, eye->prop) < 3) ||
(RNA_property_type(eye->prop) != PROP_FLOAT))
{
return FALSE;
}
if (RNA_property_subtype(eye->prop) == PROP_COLOR) {
const char *display_device;
display_device = scene->display_settings.display_device;
eye->display = IMB_colormanagement_display_get_named(display_device);
}
return TRUE;
}
static void eyedropper_exit(bContext *C, wmOperator *op)
{
WM_cursor_modal_restore(CTX_wm_window(C));
if (op->customdata)
MEM_freeN(op->customdata);
op->customdata = NULL;
}
static int eyedropper_cancel(bContext *C, wmOperator *op)
{
eyedropper_exit(C, op);
return OPERATOR_CANCELLED;
}
/* *** eyedropper_color_ helper functions *** */
/**
* \brief get the color from the screen.
*
* Special check for image or nodes where we MAY have HDR pixels which don't display.
*/
static void eyedropper_color_sample_fl(bContext *C, Eyedropper *UNUSED(eye), int mx, int my, float r_col[3])
{
/* we could use some clever */
wmWindow *win = CTX_wm_window(C);
ScrArea *sa;
for (sa = win->screen->areabase.first; sa; sa = sa->next) {
if (BLI_rcti_isect_pt(&sa->totrct, mx, my)) {
if (sa->spacetype == SPACE_IMAGE) {
ARegion *ar = BKE_area_find_region_type(sa, RGN_TYPE_WINDOW);
if (ar && BLI_rcti_isect_pt(&ar->winrct, mx, my)) {
SpaceImage *sima = sa->spacedata.first;
int mval[2] = {mx - ar->winrct.xmin,
my - ar->winrct.ymin};
if (ED_space_image_color_sample(sima, ar, mval, r_col)) {
return;
}
}
}
else if (sa->spacetype == SPACE_NODE) {
ARegion *ar = BKE_area_find_region_type(sa, RGN_TYPE_WINDOW);
if (ar && BLI_rcti_isect_pt(&ar->winrct, mx, my)) {
SpaceNode *snode = sa->spacedata.first;
int mval[2] = {mx - ar->winrct.xmin,
my - ar->winrct.ymin};
if (ED_space_node_color_sample(snode, ar, mval, r_col)) {
return;
}
}
}
else if (sa->spacetype == SPACE_CLIP) {
ARegion *ar = BKE_area_find_region_type(sa, RGN_TYPE_WINDOW);
if (ar && BLI_rcti_isect_pt(&ar->winrct, mx, my)) {
SpaceClip *sc = sa->spacedata.first;
int mval[2] = {mx - ar->winrct.xmin,
my - ar->winrct.ymin};
if (ED_space_clip_color_sample(sc, ar, mval, r_col)) {
return;
}
}
}
}
}
/* fallback to simple opengl picker */
glReadBuffer(GL_FRONT);
glReadPixels(mx, my, 1, 1, GL_RGB, GL_FLOAT, r_col);
glReadBuffer(GL_BACK);
}
/* sets the sample color RGB, maintaining A */
static void eyedropper_color_set(bContext *C, Eyedropper *eye, const float col[3])
{
float col_conv[4];
/* to maintain alpha */
RNA_property_float_get_array(&eye->ptr, eye->prop, col_conv);
/* convert from display space to linear rgb space */
if (eye->display) {
copy_v3_v3(col_conv, col);
IMB_colormanagement_display_to_scene_linear_v3(col_conv, eye->display);
}
else {
copy_v3_v3(col_conv, col);
}
RNA_property_float_set_array(&eye->ptr, eye->prop, col_conv);
RNA_property_update(C, &eye->ptr, eye->prop);
}
/* set sample from accumulated values */
static void eyedropper_color_set_accum(bContext *C, Eyedropper *eye)
{
float col[3];
mul_v3_v3fl(col, eye->accum_col, 1.0f / (float)eye->accum_tot);
eyedropper_color_set(C, eye, col);
}
/* single point sample & set */
static void eyedropper_color_sample(bContext *C, Eyedropper *eye, int mx, int my)
{
float col[3];
eyedropper_color_sample_fl(C, eye, mx, my, col);
eyedropper_color_set(C, eye, col);
}
static void eyedropper_color_sample_accum(bContext *C, Eyedropper *eye, int mx, int my)
{
float col[3];
eyedropper_color_sample_fl(C, eye, mx, my, col);
/* delay linear conversion */
add_v3_v3(eye->accum_col, col);
eye->accum_tot++;
}
/* main modal status check */
static int eyedropper_modal(bContext *C, wmOperator *op, const wmEvent *event)
{
Eyedropper *eye = (Eyedropper *)op->customdata;
switch (event->type) {
case ESCKEY:
case RIGHTMOUSE:
return eyedropper_cancel(C, op);
case LEFTMOUSE:
if (event->val == KM_RELEASE) {
if (eye->accum_tot == 0) {
eyedropper_color_sample(C, eye, event->x, event->y);
}
else {
eyedropper_color_set_accum(C, eye);
}
eyedropper_exit(C, op);
return OPERATOR_FINISHED;
}
else if (event->val == KM_PRESS) {
/* enable accum and make first sample */
eye->accum_start = TRUE;
eyedropper_color_sample_accum(C, eye, event->x, event->y);
}
break;
case MOUSEMOVE:
if (eye->accum_start) {
/* button is pressed so keep sampling */
eyedropper_color_sample_accum(C, eye, event->x, event->y);
eyedropper_color_set_accum(C, eye);
}
break;
case SPACEKEY:
if (event->val == KM_RELEASE) {
eye->accum_tot = 0;
zero_v3(eye->accum_col);
eyedropper_color_sample_accum(C, eye, event->x, event->y);
eyedropper_color_set_accum(C, eye);
}
break;
}
return OPERATOR_RUNNING_MODAL;
}
/* Modal Operator init */
static int eyedropper_invoke(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
{
/* init */
if (eyedropper_init(C, op)) {
WM_cursor_modal_set(CTX_wm_window(C), BC_EYEDROPPER_CURSOR);
/* add temp handler */
WM_event_add_modal_handler(C, op);
return OPERATOR_RUNNING_MODAL;
}
else {
eyedropper_exit(C, op);
return OPERATOR_CANCELLED;
}
}
/* Repeat operator */
static int eyedropper_exec(bContext *C, wmOperator *op)
{
/* init */
if (eyedropper_init(C, op)) {
/* do something */
/* cleanup */
eyedropper_exit(C, op);
return OPERATOR_FINISHED;
}
else {
return OPERATOR_CANCELLED;
}
}
static int eyedropper_poll(bContext *C)
{
if (!CTX_wm_window(C)) return 0;
else return 1;
}
static void UI_OT_eyedropper_color(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Eyedropper";
ot->idname = "UI_OT_eyedropper_color";
ot->description = "Sample a color from the Blender Window to store in a property";
/* api callbacks */
ot->invoke = eyedropper_invoke;
ot->modal = eyedropper_modal;
ot->cancel = eyedropper_cancel;
ot->exec = eyedropper_exec;
ot->poll = eyedropper_poll;
/* flags */
ot->flag = OPTYPE_BLOCKING;
/* properties */
}
/* Reset Default Theme ------------------------ */
static int reset_default_theme_exec(bContext *C, wmOperator *UNUSED(op))
@@ -1114,7 +828,6 @@ static void UI_OT_reloadtranslation(wmOperatorType *ot)
void UI_buttons_operatortypes(void)
{
WM_operatortype_append(UI_OT_eyedropper_color);
WM_operatortype_append(UI_OT_reset_default_theme);
WM_operatortype_append(UI_OT_copy_data_path_button);
WM_operatortype_append(UI_OT_reset_default_button);
@@ -1127,4 +840,7 @@ void UI_buttons_operatortypes(void)
WM_operatortype_append(UI_OT_edittranslation_init);
#endif
WM_operatortype_append(UI_OT_reloadtranslation);
/* external */
WM_operatortype_append(UI_OT_eyedropper_color);
}