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Unified Diff: source/blender/freestyle/intern/blender_interface/FRS_freestyle.cpp

Issue 7416049: Freestyle r54826 branch review Base URL: https://svn.blender.org/svnroot/bf-blender/trunk/blender/
Patch Set: Created 11 years ago
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Index: source/blender/freestyle/intern/blender_interface/FRS_freestyle.cpp
===================================================================
--- source/blender/freestyle/intern/blender_interface/FRS_freestyle.cpp (revision 0)
+++ source/blender/freestyle/intern/blender_interface/FRS_freestyle.cpp (working copy)
@@ -0,0 +1,932 @@
+/*
+ * ***** 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) 2010 Blender Foundation.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): none yet.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file blender/freestyle/intern/blender_interface/FRS_freestyle.cpp
+ * \ingroup freestyle
+ */
+
+#include <iostream>
+#include <map>
+#include <set>
+
+#include "../application/AppCanvas.h"
+#include "../application/AppConfig.h"
+#include "../application/AppView.h"
+#include "../application/Controller.h"
+
+#include "BKE_global.h"
+
+using namespace std;
+
+// XXX Are those "ifdef __cplusplus" useful here?
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "MEM_guardedalloc.h"
+
+#include "DNA_camera_types.h"
+#include "DNA_freestyle_types.h"
+#include "DNA_group_types.h"
+#include "DNA_text_types.h"
+
+#include "BKE_global.h"
+#include "BKE_library.h"
+#include "BKE_linestyle.h"
+#include "BKE_main.h"
+#include "BKE_text.h"
+
+#include "BLI_blenlib.h"
+#include "BLI_math.h"
+
+#include "BPY_extern.h"
+
+#include "renderpipeline.h"
+#include "pixelblending.h"
+
+#include "FRS_freestyle.h"
+#include "FRS_freestyle_config.h"
+
+#define DEFAULT_SPHERE_RADIUS 1.0f
+#define DEFAULT_DKR_EPSILON 0.0f
+
+// Freestyle configuration
+static short freestyle_is_initialized = 0;
+static Config::Path *pathconfig = NULL;
+static Controller *controller = NULL;
+static AppView *view = NULL;
+
+// line set buffer for copy & paste
+static FreestyleLineSet lineset_buffer;
+static bool lineset_copied = false;
+
+// camera information
+float freestyle_viewpoint[3];
+float freestyle_mv[4][4];
+float freestyle_proj[4][4];
+int freestyle_viewport[4];
+
+// current scene
+Scene *freestyle_scene;
+
+string default_module_path;
+
+// function declarations
+static void copy_lineset(FreestyleLineSet *new_lineset, FreestyleLineSet *lineset);
+static void copy_module(FreestyleModuleConfig *new_module, FreestyleModuleConfig *module);
+
+//=======================================================
+// Initialization
+//=======================================================
+
+void FRS_initialize()
+{
+ if (freestyle_is_initialized)
+ return;
+
+ pathconfig = new Config::Path;
+ controller = new Controller();
+ view = new AppView;
+ controller->setView(view);
+ controller->Clear();
+ freestyle_scene = NULL;
+ lineset_copied = false;
+
+ default_module_path = pathconfig->getProjectDir() + Config::DIR_SEP + "style_modules" +
+ Config::DIR_SEP + "contour.py";
+
+ freestyle_is_initialized = 1;
+}
+
+void FRS_set_context(bContext *C)
+{
+ if (G.debug & G_DEBUG_FREESTYLE) {
+ cout << "FRS_set_context: context 0x" << C << " scene 0x" << CTX_data_scene(C) << endl;
+ }
+ controller->setContext(C);
+}
+
+void FRS_read_file(bContext *C)
+{
+ lineset_copied = false;
+}
+
+void FRS_exit()
+{
+ delete pathconfig;
+ delete controller;
+ delete view;
+}
+
+//=======================================================
+// Rendering
+//=======================================================
+
+static void init_view(Render *re)
+{
+ int width = re->winx;
+ int height = re->winy;
+ int xmin = re->disprect.xmin;
+ int ymin = re->disprect.ymin;
+ int xmax = re->disprect.xmax;
+ int ymax = re->disprect.ymax;
+
+ float thickness = 1.0f;
+ switch (re->r.line_thickness_mode) {
+ case R_LINE_THICKNESS_ABSOLUTE:
+ thickness = re->r.unit_line_thickness * (re->r.size / 100.f);
+ break;
+ case R_LINE_THICKNESS_RELATIVE:
+ thickness = height / 480.f;
+ break;
+ }
+
+ freestyle_viewport[0] = freestyle_viewport[1] = 0;
+ freestyle_viewport[2] = width;
+ freestyle_viewport[3] = height;
+
+ view->setWidth(width);
+ view->setHeight(height);
+ view->setBorder(xmin, ymin, xmax, ymax);
+ view->setThickness(thickness);
+
+ if (G.debug & G_DEBUG_FREESTYLE) {
+ cout << "\n=== Dimensions of the 2D image coordinate system ===" << endl;
+ cout << "Width : " << width << endl;
+ cout << "Height : " << height << endl;
+ if (re->r.mode & R_BORDER)
+ cout << "Border : (" << xmin << ", " << ymin << ") - (" << xmax << ", " << ymax << ")" << endl;
+ cout << "Unit line thickness : " << thickness << " pixel(s)" << endl;
+ }
+}
+
+static void init_camera(Render *re)
+{
+ // It is assumed that imported meshes are in the camera coordinate system.
+ // Therefore, the view point (i.e., camera position) is at the origin, and
+ // the the model-view matrix is simply the identity matrix.
+
+ freestyle_viewpoint[0] = 0.0;
+ freestyle_viewpoint[1] = 0.0;
+ freestyle_viewpoint[2] = 0.0;
+
+ for (int i = 0; i < 4; i++) {
ideasman42 2013/03/02 10:56:47 copy_m4m4 would do here.
kjym3 2013/03/03 01:58:03 Done. Also used unit_m4() for setting freestyle_m
+ for (int j = 0; j < 4; j++)
+ freestyle_mv[i][j] = (i == j) ? 1.0 : 0.0;
+ }
+
+ for (int i = 0; i < 4; i++) {
+ for (int j = 0; j < 4; j++)
+ freestyle_proj[i][j] = re->winmat[i][j];
+ }
+
+#if 0
+ print_m4("mv", freestyle_mv);
+ print_m4("proj", freestyle_proj);
+#endif
+}
+
+static char *escape_quotes(char *name)
+{
+ char *s = (char*)MEM_mallocN(strlen(name) * 2 + 1, "escape_quotes");
+ char *p = s;
+ while (*name) {
+ if (*name == '\'')
+ *(p++) = '\\';
+ *(p++) = *(name++);
+ }
+ *p = '\0';
+ return s;
+}
+
+static Text *create_lineset_handler(char *layer_name, char *lineset_name)
+{
+ char *s1 = escape_quotes(layer_name);
+ char *s2 = escape_quotes(lineset_name);
+ Text *text = BKE_text_add(G.main, lineset_name);
+ BKE_text_write(text, "import parameter_editor; parameter_editor.process('");
+ BKE_text_write(text, s1);
+ BKE_text_write(text, "', '");
+ BKE_text_write(text, s2);
+ BKE_text_write(text, "')\n");
+ MEM_freeN(s1);
+ MEM_freeN(s2);
+ return text;
+}
+
+struct edge_type_condition
+{
+ int edge_type, value;
+};
+
+// examines the conditions and returns true if the target edge type needs to be computed
+static bool test_edge_type_conditions(struct edge_type_condition *conditions,
+ int num_edge_types, bool logical_and, int target, bool distinct)
+{
+ int target_condition = 0;
+ int num_non_target_positive_conditions = 0;
+ int num_non_target_negative_conditions = 0;
+
+ for (int i = 0; i < num_edge_types; i++) {
+ if (conditions[i].edge_type == target)
+ target_condition = conditions[i].value;
+ else if (conditions[i].value > 0)
+ ++num_non_target_positive_conditions;
+ else if (conditions[i].value < 0)
+ ++num_non_target_negative_conditions;
+ }
+ if (distinct) {
+ // In this case, the 'target' edge type is assumed to appear on distinct edge
+ // of its own and never together with other edge types.
+ if (logical_and) {
+ if (num_non_target_positive_conditions > 0)
+ return false;
+ if (target_condition > 0)
+ return true;
+ if (target_condition < 0)
+ return false;
+ if (num_non_target_negative_conditions > 0)
+ return true;
+ }
+ else {
+ if (target_condition > 0)
+ return true;
+ if (num_non_target_negative_conditions > 0)
+ return true;
+ if (target_condition < 0)
+ return false;
+ if (num_non_target_positive_conditions > 0)
+ return false;
+ }
+ }
+ else {
+ // In this case, the 'target' edge type may appear together with other edge types.
+ if (target_condition > 0)
+ return true;
+ if (target_condition < 0)
+ return true;
+ if (logical_and) {
+ if (num_non_target_positive_conditions > 0)
+ return false;
+ if (num_non_target_negative_conditions > 0)
+ return true;
+ }
+ else {
+ if (num_non_target_negative_conditions > 0)
+ return true;
+ if (num_non_target_positive_conditions > 0)
+ return false;
+ }
+ }
+ return true;
+}
+
+static void prepare(Render *re, SceneRenderLayer *srl)
+{
+ // load mesh
+ re->i.infostr = "Freestyle: Mesh loading";
+ re->stats_draw(re->sdh, &re->i);
+ re->i.infostr = NULL;
+ if (controller->LoadMesh(re, srl)) // returns if scene cannot be loaded or if empty
+ return;
+ if (re->test_break(re->tbh))
+ return;
+
+ // add style modules
+ FreestyleConfig *config = &srl->freestyleConfig;
+
+ if (G.debug & G_DEBUG_FREESTYLE) {
+ cout << "\n=== Rendering options ===" << endl;
+ }
+ int layer_count = 0;
+
+ switch (config->mode) {
+ case FREESTYLE_CONTROL_SCRIPT_MODE:
+ if (G.debug & G_DEBUG_FREESTYLE) {
+ cout << "Modules :" << endl;
+ }
+ for (FreestyleModuleConfig *module_conf = (FreestyleModuleConfig*)config->modules.first;
+ module_conf;
+ module_conf = module_conf->next)
+ {
+ if(module_conf->is_displayed) {
+ if (G.debug & G_DEBUG_FREESTYLE) {
+ cout << " " << layer_count+1 << ": " << module_conf->module_path << endl;
+ }
+ controller->InsertStyleModule(layer_count, module_conf->module_path);
+ controller->toggleLayer(layer_count, true);
+ layer_count++;
+ }
+ }
+ if (G.debug & G_DEBUG_FREESTYLE) {
+ cout << endl;
+ }
+ controller->setComputeRidgesAndValleysFlag((config->flags & FREESTYLE_RIDGES_AND_VALLEYS_FLAG) ? true : false);
+ controller->setComputeSuggestiveContoursFlag((config->flags & FREESTYLE_SUGGESTIVE_CONTOURS_FLAG) ? true : false);
+ controller->setComputeMaterialBoundariesFlag((config->flags & FREESTYLE_MATERIAL_BOUNDARIES_FLAG) ? true : false);
+ break;
+ case FREESTYLE_CONTROL_EDITOR_MODE:
+ int use_ridges_and_valleys = 0;
+ int use_suggestive_contours = 0;
+ int use_material_boundaries = 0;
+ struct edge_type_condition conditions[] = {
+ {FREESTYLE_FE_SILHOUETTE, 0},
+ {FREESTYLE_FE_BORDER, 0},
+ {FREESTYLE_FE_CREASE, 0},
+ {FREESTYLE_FE_RIDGE_VALLEY, 0},
+ {FREESTYLE_FE_SUGGESTIVE_CONTOUR, 0},
+ {FREESTYLE_FE_MATERIAL_BOUNDARY, 0},
+ {FREESTYLE_FE_CONTOUR, 0},
+ {FREESTYLE_FE_EXTERNAL_CONTOUR, 0},
+ {FREESTYLE_FE_EDGE_MARK, 0}
+ };
+ int num_edge_types = sizeof(conditions) / sizeof(struct edge_type_condition);
+ if (G.debug & G_DEBUG_FREESTYLE) {
+ cout << "Linesets:" << endl;
+ }
+ for (FreestyleLineSet *lineset = (FreestyleLineSet*)config->linesets.first;
+ lineset;
+ lineset = lineset->next)
+ {
+ if (lineset->flags & FREESTYLE_LINESET_ENABLED) {
+ if (G.debug & G_DEBUG_FREESTYLE) {
+ cout << " " << layer_count+1 << ": " << lineset->name << " - "
+ << lineset->linestyle->id.name+2 << endl;
+ }
+ Text *text = create_lineset_handler(srl->name, lineset->name);
+ controller->InsertStyleModule(layer_count, lineset->name, text);
+ controller->toggleLayer(layer_count, true);
+ if (!(lineset->selection & FREESTYLE_SEL_EDGE_TYPES) || !lineset->edge_types) {
+ ++use_ridges_and_valleys;
+ ++use_suggestive_contours;
+ ++use_material_boundaries;
+ }
+ else {
+ // conditions for feature edge selection by edge types
+ for (int i = 0; i < num_edge_types; i++) {
+ if (!(lineset->edge_types & conditions[i].edge_type))
+ conditions[i].value = 0; // no condition specified
+ else if (!(lineset->exclude_edge_types & conditions[i].edge_type))
+ conditions[i].value = 1; // condition: X
+ else
+ conditions[i].value = -1; // condition: NOT X
+ }
+ // logical operator for the selection conditions
+ bool logical_and = ((lineset->flags & FREESTYLE_LINESET_FE_AND) != 0);
+ // negation operator
+ if (lineset->flags & FREESTYLE_LINESET_FE_NOT) {
+ // convert an Exclusive condition into an Inclusive equivalent using De Morgan's laws:
+ // NOT (X OR Y) --> (NOT X) AND (NOT Y)
+ // NOT (X AND Y) --> (NOT X) OR (NOT Y)
+ for (int i = 0; i < num_edge_types; i++)
+ conditions[i].value *= -1;
+ logical_and = !logical_and;
+ }
+ if (test_edge_type_conditions(conditions, num_edge_types, logical_and,
+ FREESTYLE_FE_RIDGE_VALLEY, true))
+ {
+ ++use_ridges_and_valleys;
+ }
+ if (test_edge_type_conditions(conditions, num_edge_types, logical_and,
+ FREESTYLE_FE_SUGGESTIVE_CONTOUR, true))
+ {
+ ++use_suggestive_contours;
+ }
+ if (test_edge_type_conditions(conditions, num_edge_types, logical_and,
+ FREESTYLE_FE_MATERIAL_BOUNDARY, true))
+ {
+ ++use_material_boundaries;
+ }
+ }
+ layer_count++;
+ }
+ }
+ controller->setComputeRidgesAndValleysFlag(use_ridges_and_valleys > 0);
+ controller->setComputeSuggestiveContoursFlag(use_suggestive_contours > 0);
+ controller->setComputeMaterialBoundariesFlag(use_material_boundaries > 0);
+ break;
+ }
+
+ // set parameters
+ if (config->flags & FREESTYLE_ADVANCED_OPTIONS_FLAG) {
+ controller->setSphereRadius(config->sphere_radius);
+ controller->setSuggestiveContourKrDerivativeEpsilon(config->dkr_epsilon);
+ }
+ else {
+ controller->setSphereRadius(DEFAULT_SPHERE_RADIUS);
+ controller->setSuggestiveContourKrDerivativeEpsilon(DEFAULT_DKR_EPSILON);
+ }
+ controller->setFaceSmoothness((config->flags & FREESTYLE_FACE_SMOOTHNESS_FLAG) ? true : false);
+ controller->setCreaseAngle(RAD2DEGF(config->crease_angle));
+ controller->setVisibilityAlgo((config->flags & FREESTYLE_CULLING) ?
+ FREESTYLE_ALGO_CULLED_ADAPTIVE_CUMULATIVE :
+ FREESTYLE_ALGO_ADAPTIVE_CUMULATIVE);
+
+ if (G.debug & G_DEBUG_FREESTYLE) {
+ cout << "Crease angle : " << controller->getCreaseAngle() << endl;
+ cout << "Sphere radius : " << controller->getSphereRadius() << endl;
+ cout << "Face smoothness : " << (controller->getFaceSmoothness() ? "enabled" : "disabled") << endl;
+ cout << "Redges and valleys : " << (controller->getComputeRidgesAndValleysFlag() ? "enabled" : "disabled")
+ << endl;
+ cout << "Suggestive contours : " << (controller->getComputeSuggestiveContoursFlag() ? "enabled" : "disabled")
+ << endl;
+ cout << "Suggestive contour Kr derivative epsilon : " << controller->getSuggestiveContourKrDerivativeEpsilon()
+ << endl;
+ cout << "Material boundaries : " << (controller->getComputeMaterialBoundariesFlag() ? "enabled" : "disabled")
+ << endl;
+ cout << endl;
+ }
+
+ // set diffuse and z depth passes
+ RenderLayer *rl = RE_GetRenderLayer(re->result, srl->name);
+ bool diffuse = false, z = false;
+ for (RenderPass *rpass = (RenderPass*)rl->passes.first; rpass; rpass = rpass->next) {
+ switch (rpass->passtype) {
+ case SCE_PASS_DIFFUSE:
+ controller->setPassDiffuse(rpass->rect, rpass->rectx, rpass->recty);
+ diffuse = true;
+ break;
+ case SCE_PASS_Z:
+ controller->setPassZ(rpass->rect, rpass->rectx, rpass->recty);
+ z = true;
+ break;
+ }
+ }
+ if (G.debug & G_DEBUG_FREESTYLE) {
+ cout << "Passes :" << endl;
+ cout << " Diffuse = " << (diffuse ? "enabled" : "disabled") << endl;
+ cout << " Z = " << (z ? "enabled" : "disabled") << endl;
+ }
+
+ // compute view map
+ re->i.infostr = "Freestyle: View map creation";
+ re->stats_draw(re->sdh, &re->i);
+ re->i.infostr = NULL;
+ controller->ComputeViewMap();
+}
+
+void FRS_composite_result(Render* re, SceneRenderLayer* srl, Render* freestyle_render)
+{
+ RenderLayer *rl;
+ float *src, *dest, *pixSrc, *pixDest;
+ int x, y, rectx, recty;
+
+ if (freestyle_render == NULL || freestyle_render->result == NULL)
+ return;
+
+ rl = render_get_active_layer( freestyle_render, freestyle_render->result );
+ if (!rl || rl->rectf == NULL) {
+ if (G.debug & G_DEBUG_FREESTYLE) {
+ cout << "Cannot find Freestyle result image" << endl;
+ }
+ return;
+ }
+ src = rl->rectf;
+#if 0
+ if (G.debug & G_DEBUG_FREESTYLE) {
+ cout << "src: " << rl->rectx << " x " << rl->recty << endl;
+ }
+#endif
+
+ rl = RE_GetRenderLayer(re->result, srl->name);
+ if (!rl || rl->rectf == NULL) {
+ if (G.debug & G_DEBUG_FREESTYLE) {
+ cout << "No layer to composite to" << endl;
+ }
+ return;
+ }
+ dest = rl->rectf;
+#if 0
+ if (G.debug & G_DEBUG_FREESTYLE) {
+ cout << "dest: " << rl->rectx << " x " << rl->recty << endl;
+ }
+#endif
+
+ rectx = re->rectx;
+ recty = re->recty;
+ for (y = 0; y < recty; y++) {
+ for (x = 0; x < rectx; x++) {
+ pixSrc = src + 4 * (rectx * y + x);
+ if (pixSrc[3] > 0.0) {
+ pixDest = dest + 4 * (rectx * y + x);
+ addAlphaOverFloat(pixDest, pixSrc);
+ }
+ }
+ }
+}
+
+static int displayed_layer_count(SceneRenderLayer *srl)
+{
+ int count = 0;
+
+ switch (srl->freestyleConfig.mode) {
+ case FREESTYLE_CONTROL_SCRIPT_MODE:
+ for (FreestyleModuleConfig *module = (FreestyleModuleConfig*)srl->freestyleConfig.modules.first;
+ module;
+ module = module->next)
+ {
+ if (module->is_displayed)
+ count++;
+ }
+ break;
+ case FREESTYLE_CONTROL_EDITOR_MODE:
+ for (FreestyleLineSet *lineset = (FreestyleLineSet*)srl->freestyleConfig.linesets.first;
+ lineset;
+ lineset = lineset->next)
+ {
+ if (lineset->flags & FREESTYLE_LINESET_ENABLED)
+ count++;
+ }
+ break;
+ }
+ return count;
+}
+
+int FRS_is_freestyle_enabled(SceneRenderLayer *srl)
+{
+ return (!(srl->layflag & SCE_LAY_DISABLE) && srl->layflag & SCE_LAY_FRS && displayed_layer_count(srl) > 0);
+}
+
+void FRS_init_stroke_rendering(Render *re)
+{
+ if (G.debug & G_DEBUG_FREESTYLE) {
+ cout << endl;
+ cout << "#===============================================================" << endl;
+ cout << "# Freestyle" << endl;
+ cout << "#===============================================================" << endl;
+ }
+
+ init_view(re);
+ init_camera(re);
+
+ controller->ResetRenderCount();
+}
+
+Render *FRS_do_stroke_rendering(Render *re, SceneRenderLayer *srl)
+{
+ Render *freestyle_render = NULL;
+
+ RenderMonitor monitor(re);
+ controller->setRenderMonitor(&monitor);
+
+ if (G.debug & G_DEBUG_FREESTYLE) {
+ cout << endl;
+ cout << "----------------------------------------------------------" << endl;
+ cout << "| " << (re->scene->id.name + 2) << "|" << srl->name << endl;
+ cout << "----------------------------------------------------------" << endl;
+ }
+
+ // prepare Freestyle:
+ // - load mesh
+ // - add style modules
+ // - set parameters
+ // - compute view map
+ prepare(re, srl);
+
+ if (re->test_break(re->tbh)) {
+ controller->CloseFile();
+ if (G.debug & G_DEBUG_FREESTYLE) {
+ cout << "Break" << endl;
+ }
+ return NULL;
+ }
+
+ // render and composite Freestyle result
+ if (controller->_ViewMap) {
+ // render strokes
+ re->i.infostr = "Freestyle: Stroke rendering";
+ re->stats_draw(re->sdh, &re->i);
+ re->i.infostr = NULL;
+ freestyle_scene = re->scene;
+ controller->DrawStrokes();
+ freestyle_render = controller->RenderStrokes(re);
+ controller->CloseFile();
+ freestyle_scene = NULL;
+
+ // composite result
+ FRS_composite_result(re, srl, freestyle_render);
+ RE_FreeRenderResult(freestyle_render->result);
+ freestyle_render->result = NULL;
+ }
+
+ return freestyle_render;
+}
+
+void FRS_finish_stroke_rendering(Render *re) {
+ // clear canvas
+ controller->Clear();
+}
+
+//=======================================================
+// Freestyle Panel Configuration
+//=======================================================
+
+void FRS_init_freestyle_config(FreestyleConfig *config)
+{
irieshinsuke 2013/03/21 12:39:58 Why these default values are different from the fa
kjym3 2013/03/23 22:46:08 Fixed in revision 55484. Also fixed the default v
irieshinsuke 2013/03/30 09:55:14 I think the default line color should remain black
kjym3 2013/04/03 00:25:10 Fixed in revision 55677.
+ config->mode = FREESTYLE_CONTROL_SCRIPT_MODE;
+
+ config->modules.first = config->modules.last = NULL;
+ config->flags = 0;
+ config->sphere_radius = DEFAULT_SPHERE_RADIUS;
+ config->dkr_epsilon = DEFAULT_DKR_EPSILON;
+ config->crease_angle = DEG2RADF(120.0f);
+
+ config->linesets.first = config->linesets.last = NULL;
+}
+
+void FRS_free_freestyle_config(FreestyleConfig *config)
+{
+ FreestyleLineSet *lineset;
+
+ for (lineset = (FreestyleLineSet*)config->linesets.first; lineset; lineset = lineset->next) {
+ if (lineset->group) {
+ lineset->group->id.us--;
+ lineset->group = NULL;
+ }
+ lineset->linestyle->id.us--;
+ lineset->linestyle = NULL;
+ }
+ BLI_freelistN(&config->linesets);
+ BLI_freelistN(&config->modules);
+}
+
+void FRS_copy_freestyle_config(FreestyleConfig *new_config, FreestyleConfig *config)
+{
+ FreestyleLineSet *lineset, *new_lineset;
+ FreestyleModuleConfig *module, *new_module;
+
+ new_config->mode = config->mode;
+ new_config->raycasting_algorithm = config->raycasting_algorithm; /* deprecated */
+ new_config->flags = config->flags;
+ new_config->sphere_radius = config->sphere_radius;
+ new_config->dkr_epsilon = config->dkr_epsilon;
+ new_config->crease_angle = config->crease_angle;
+
+ new_config->linesets.first = new_config->linesets.last = NULL;
+ for (lineset = (FreestyleLineSet*)config->linesets.first; lineset; lineset = lineset->next) {
+ new_lineset = FRS_alloc_lineset();
+ copy_lineset(new_lineset, lineset);
+ BLI_addtail(&new_config->linesets, (void*)new_lineset);
+ }
+
+ new_config->modules.first = new_config->modules.last = NULL;
+ for (module = (FreestyleModuleConfig*)config->modules.first; module; module = module->next) {
+ new_module = FRS_alloc_module();
+ copy_module(new_module, module);
+ BLI_addtail(&new_config->modules, (void*)new_module);
+ }
+}
+
+static void copy_lineset(FreestyleLineSet *new_lineset, FreestyleLineSet *lineset)
+{
+ new_lineset->linestyle = lineset->linestyle;
+ new_lineset->linestyle->id.us++;
+ new_lineset->flags = lineset->flags;
+ new_lineset->selection = lineset->selection;
+ new_lineset->qi = lineset->qi;
+ new_lineset->qi_start = lineset->qi_start;
+ new_lineset->qi_end = lineset->qi_end;
+ new_lineset->edge_types = lineset->edge_types;
+ new_lineset->exclude_edge_types = lineset->exclude_edge_types;
+ new_lineset->group = lineset->group;
+ if (new_lineset->group) {
+ new_lineset->group->id.us++;
+ }
+ strcpy(new_lineset->name, lineset->name);
+}
+
+FreestyleModuleConfig *FRS_alloc_module()
+{
+ return (FreestyleModuleConfig*)MEM_callocN(sizeof(FreestyleModuleConfig), "style module configuration");
+}
+
+void FRS_add_module(FreestyleConfig *config)
+{
+ FreestyleModuleConfig *module_conf = (FreestyleModuleConfig*)MEM_callocN(sizeof(FreestyleModuleConfig),
+ "style module configuration");
+ BLI_addtail(&config->modules, (void*)module_conf);
+
+ strcpy(module_conf->module_path, default_module_path.c_str());
+ module_conf->is_displayed = 1;
+}
+
+static void copy_module(FreestyleModuleConfig *new_module, FreestyleModuleConfig *module)
+{
+ strcpy(new_module->module_path, module->module_path);
+ new_module->is_displayed = module->is_displayed;
+}
+
+void FRS_delete_module(FreestyleConfig *config, FreestyleModuleConfig *module_conf)
+{
+ BLI_freelinkN(&config->modules, module_conf);
+}
+
+void FRS_move_module_up(FreestyleConfig *config, FreestyleModuleConfig *module_conf)
+{
+ BLI_remlink(&config->modules, module_conf);
+ BLI_insertlinkbefore(&config->modules, module_conf->prev, module_conf);
+}
+
+void FRS_move_module_down(FreestyleConfig *config, FreestyleModuleConfig *module_conf)
+{
+ BLI_remlink(&config->modules, module_conf);
+ BLI_insertlinkafter(&config->modules, module_conf->next, module_conf);
+}
+
+static void unique_lineset_name(FreestyleConfig *config, FreestyleLineSet *lineset)
+{
+ BLI_uniquename(&config->linesets, lineset, "FreestyleLineSet", '.', offsetof(FreestyleLineSet, name),
+ sizeof(lineset->name));
+}
+
+FreestyleLineSet *FRS_alloc_lineset()
+{
+ return (FreestyleLineSet*)MEM_callocN(sizeof(FreestyleLineSet), "Freestyle line set");
+}
+
+FreestyleLineSet *FRS_add_lineset(FreestyleConfig *config)
+{
+ int lineset_index = BLI_countlist(&config->linesets);
+
+ FreestyleLineSet *lineset = FRS_alloc_lineset();
+ BLI_addtail(&config->linesets, (void*)lineset);
+ FRS_set_active_lineset_index(config, lineset_index);
+
+ lineset->linestyle = FRS_new_linestyle("LineStyle", NULL);
+ lineset->flags |= FREESTYLE_LINESET_ENABLED;
+ lineset->selection = FREESTYLE_SEL_IMAGE_BORDER;
+ lineset->qi = FREESTYLE_QI_VISIBLE;
+ lineset->qi_start = 0;
+ lineset->qi_end = 100;
+ lineset->edge_types = FREESTYLE_FE_SILHOUETTE | FREESTYLE_FE_BORDER | FREESTYLE_FE_CREASE;
+ lineset->exclude_edge_types = 0;
+ lineset->group = NULL;
+ if (lineset_index > 0)
+ sprintf(lineset->name, "LineSet %i", lineset_index + 1);
+ else
+ strcpy(lineset->name, "LineSet");
+ unique_lineset_name(config, lineset);
+
+ return lineset;
+}
+
+void FRS_copy_active_lineset(FreestyleConfig *config)
+{
+ FreestyleLineSet *lineset = FRS_get_active_lineset(config);
+
+ if (lineset) {
+ lineset_buffer.linestyle = lineset->linestyle;
+ lineset_buffer.flags = lineset->flags;
+ lineset_buffer.selection = lineset->selection;
+ lineset_buffer.qi = lineset->qi;
+ lineset_buffer.qi_start = lineset->qi_start;
+ lineset_buffer.qi_end = lineset->qi_end;
+ lineset_buffer.edge_types = lineset->edge_types;
+ lineset_buffer.exclude_edge_types = lineset->exclude_edge_types;
+ lineset_buffer.group = lineset->group;
+ strcpy(lineset_buffer.name, lineset->name);
+ lineset_copied = true;
+ }
+}
+
+void FRS_paste_active_lineset(FreestyleConfig *config)
+{
+ if (!lineset_copied)
+ return;
+
+ FreestyleLineSet *lineset = FRS_get_active_lineset(config);
+
+ if (lineset) {
+ lineset->linestyle->id.us--;
+ lineset->linestyle = lineset_buffer.linestyle;
+ lineset->linestyle->id.us++;
+ lineset->flags = lineset_buffer.flags;
+ lineset->selection = lineset_buffer.selection;
+ lineset->qi = lineset_buffer.qi;
+ lineset->qi_start = lineset_buffer.qi_start;
+ lineset->qi_end = lineset_buffer.qi_end;
+ lineset->edge_types = lineset_buffer.edge_types;
+ lineset->exclude_edge_types = lineset_buffer.exclude_edge_types;
+ if (lineset->group) {
+ lineset->group->id.us--;
+ lineset->group = NULL;
+ }
+ if (lineset_buffer.group) {
+ lineset->group = lineset_buffer.group;
+ lineset->group->id.us++;
+ }
+ strcpy(lineset->name, lineset_buffer.name);
+ unique_lineset_name(config, lineset);
+ lineset->flags |= FREESTYLE_LINESET_CURRENT;
+ }
+}
+
+void FRS_delete_active_lineset(FreestyleConfig *config)
+{
+ FreestyleLineSet *lineset = FRS_get_active_lineset(config);
+
+ if (lineset) {
+ if (lineset->group) {
+ lineset->group->id.us--;
+ lineset->group = NULL;
+ }
+ lineset->linestyle->id.us--;
+ lineset->linestyle = NULL;
+ BLI_remlink(&config->linesets, lineset);
+ MEM_freeN(lineset);
+ FRS_set_active_lineset_index(config, 0);
+ }
+}
+
+void FRS_move_active_lineset_up(FreestyleConfig *config)
+{
+ FreestyleLineSet *lineset = FRS_get_active_lineset(config);
+
+ if (lineset) {
+ BLI_remlink(&config->linesets, lineset);
+ BLI_insertlinkbefore(&config->linesets, lineset->prev, lineset);
+ }
+}
+
+void FRS_move_active_lineset_down(FreestyleConfig *config)
+{
+ FreestyleLineSet *lineset = FRS_get_active_lineset(config);
+
+ if (lineset) {
+ BLI_remlink(&config->linesets, lineset);
+ BLI_insertlinkafter(&config->linesets, lineset->next, lineset);
+ }
+}
+
+FreestyleLineSet *FRS_get_active_lineset(FreestyleConfig *config)
+{
+ FreestyleLineSet *lineset;
+
+ for (lineset = (FreestyleLineSet*)config->linesets.first; lineset; lineset = lineset->next) {
+ if (lineset->flags & FREESTYLE_LINESET_CURRENT)
+ return lineset;
+ }
+ return NULL;
+}
+
+short FRS_get_active_lineset_index(FreestyleConfig *config)
+{
+ FreestyleLineSet *lineset;
+ short i;
+
+ for (lineset = (FreestyleLineSet*)config->linesets.first, i = 0; lineset; lineset = lineset->next, i++) {
+ if (lineset->flags & FREESTYLE_LINESET_CURRENT)
+ return i;
+ }
+ return 0;
+}
+
+void FRS_set_active_lineset_index(FreestyleConfig *config, short index)
+{
+ FreestyleLineSet *lineset;
+ short i;
+
+ for (lineset = (FreestyleLineSet*)config->linesets.first, i = 0; lineset; lineset = lineset->next, i++) {
+ if (i == index)
+ lineset->flags |= FREESTYLE_LINESET_CURRENT;
+ else
+ lineset->flags &= ~FREESTYLE_LINESET_CURRENT;
+ }
+}
+
+void FRS_unlink_target_object(FreestyleConfig *config, Object *ob)
+{
+ FreestyleLineSet *lineset;
+
+ for (lineset = (FreestyleLineSet*)config->linesets.first; lineset; lineset = lineset->next) {
+ FRS_unlink_linestyle_target_object(lineset->linestyle, ob);
+ }
+}
+
+#ifdef __cplusplus
+} // extern "C"
+#endif

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