[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [60611] trunk/blender/source/blender/ editors/interface: move eyedropper into its own file, uses mostly different includes to interface_ops.c
Campbell Barton
ideasman42 at gmail.com
Tue Oct 8 17:07:52 CEST 2013
Revision: 60611
http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=60611
Author: campbellbarton
Date: 2013-10-08 15:07:52 +0000 (Tue, 08 Oct 2013)
Log Message:
-----------
move eyedropper into its own file, uses mostly different includes to interface_ops.c
Modified Paths:
--------------
trunk/blender/source/blender/editors/interface/CMakeLists.txt
trunk/blender/source/blender/editors/interface/interface_intern.h
trunk/blender/source/blender/editors/interface/interface_ops.c
Added Paths:
-----------
trunk/blender/source/blender/editors/interface/interface_eyedropper.c
Modified: trunk/blender/source/blender/editors/interface/CMakeLists.txt
===================================================================
--- trunk/blender/source/blender/editors/interface/CMakeLists.txt 2013-10-08 13:58:28 UTC (rev 60610)
+++ trunk/blender/source/blender/editors/interface/CMakeLists.txt 2013-10-08 15:07:52 UTC (rev 60611)
@@ -40,6 +40,7 @@
interface.c
interface_anim.c
interface_draw.c
+ interface_eyedropper.c
interface_handlers.c
interface_icons.c
interface_layout.c
Added: trunk/blender/source/blender/editors/interface/interface_eyedropper.c
===================================================================
--- trunk/blender/source/blender/editors/interface/interface_eyedropper.c (rev 0)
+++ trunk/blender/source/blender/editors/interface/interface_eyedropper.c 2013-10-08 15:07:52 UTC (rev 60611)
@@ -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 */
+}
+
+/** \} */
Property changes on: trunk/blender/source/blender/editors/interface/interface_eyedropper.c
___________________________________________________________________
Added: svn:eol-style
+ native
Modified: trunk/blender/source/blender/editors/interface/interface_intern.h
===================================================================
--- trunk/blender/source/blender/editors/interface/interface_intern.h 2013-10-08 13:58:28 UTC (rev 60610)
+++ trunk/blender/source/blender/editors/interface/interface_intern.h 2013-10-08 15:07:52 UTC (rev 60611)
@@ -584,4 +584,7 @@
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__ */
Modified: trunk/blender/source/blender/editors/interface/interface_ops.c
===================================================================
@@ Diff output truncated at 10240 characters. @@
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