diff options
Diffstat (limited to 'source/blender/freestyle/intern/blender_interface/FRS_freestyle.cpp')
| -rw-r--r-- | source/blender/freestyle/intern/blender_interface/FRS_freestyle.cpp | 304 |
1 files changed, 304 insertions, 0 deletions
diff --git a/source/blender/freestyle/intern/blender_interface/FRS_freestyle.cpp b/source/blender/freestyle/intern/blender_interface/FRS_freestyle.cpp new file mode 100644 index 00000000000..97d4fd6c548 --- /dev/null +++ b/source/blender/freestyle/intern/blender_interface/FRS_freestyle.cpp @@ -0,0 +1,304 @@ +#include "../application/AppView.h" +#include "../application/Controller.h" +#include "../application/AppConfig.h" +#include "../application/AppCanvas.h" + +#include <iostream> +#include <map> +#include <set> +using namespace std; + +#ifdef __cplusplus +extern "C" { +#endif + +#include "MEM_guardedalloc.h" + +#include "DNA_camera_types.h" +#include "DNA_freestyle_types.h" + +#include "BKE_main.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" + + // Freestyle configuration + static short freestyle_is_initialized = 0; + static Config::Path *pathconfig = NULL; + static Controller *controller = NULL; + static AppView *view = NULL; + + // 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; + + //======================================================= + // Initialization + //======================================================= + + void FRS_initialize() { + + if( freestyle_is_initialized ) + return; + + pathconfig = new Config::Path; + controller = new Controller(); + view = new AppView; + controller->setView(view); + freestyle_scene = NULL; + + 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) { + cout << "FRS_set_context: context 0x" << C << " scene 0x" << CTX_data_scene(C) << endl; + controller->setContext(C); + } + + void FRS_exit() { + delete pathconfig; + delete controller; + delete view; + } + + //======================================================= + // Rendering + //======================================================= + + void init_view(Render* re){ + float ycor = ((float)re->r.yasp) / ((float)re->r.xasp); + int width = re->scene->r.xsch; + int height = (int)(((float)re->scene->r.ysch) * ycor); + + freestyle_viewport[0] = freestyle_viewport[1] = 0; + freestyle_viewport[2] = width; + freestyle_viewport[3] = height; + + view->setWidth( width ); + view->setHeight( height ); + } + + 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++ ) + 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]; + + //print_m4("mv", freestyle_mv); + //print_m4("proj", freestyle_proj); + } + + + void prepare(Render* re, SceneRenderLayer* srl ) { + + // clear canvas + controller->Clear(); + + // load mesh + if( controller->LoadMesh(re, srl) ) // returns if scene cannot be loaded or if empty + return; + + // add style modules + FreestyleConfig* config = &srl->freestyleConfig; + + cout << "\n=== Rendering options ===" << endl; + cout << "Modules :"<< endl; + int layer_count = 0; + + + for( FreestyleModuleConfig* module_conf = (FreestyleModuleConfig *)config->modules.first; module_conf; module_conf = module_conf->next ) { + if( module_conf->is_displayed ) { + cout << " " << layer_count+1 << ": " << module_conf->module_path << endl; + controller->InsertStyleModule( layer_count, module_conf->module_path ); + controller->toggleLayer(layer_count, true); + layer_count++; + } + } + cout << endl; + + // set parameters + controller->setSphereRadius( config->sphere_radius ); + controller->setComputeRidgesAndValleysFlag( (config->flags & FREESTYLE_RIDGES_AND_VALLEYS_FLAG) ? true : false); + controller->setComputeSuggestiveContoursFlag( (config->flags & FREESTYLE_SUGGESTIVE_CONTOURS_FLAG) ? true : false); + controller->setSuggestiveContourKrDerivativeEpsilon( config->dkr_epsilon ) ; + + cout << "Sphere radius : " << controller->getSphereRadius() << endl; + cout << "Redges and valleys : " << (controller->getComputeRidgesAndValleysFlag() ? "enabled" : "disabled") << endl; + cout << "Suggestive contours : " << (controller->getComputeSuggestiveContoursFlag() ? "enabled" : "disabled") << endl; + cout << "Suggestive contour dkr epsilon : " << controller->getSuggestiveContourKrDerivativeEpsilon() << endl; + + // compute view map + controller->ComputeViewMap(); + } + + void 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) { cout << "Cannot find Freestyle result image" << endl; return; } + src = rl->rectf; + //cout << "src: " << rl->rectx << " x " << rl->recty << endl; + + rl = RE_GetRenderLayer(re->result, srl->name); + if( !rl || rl->rectf == NULL) { cout << "No layer to composite to" << endl; return; } + dest = rl->rectf; + //cout << "dest: " << rl->rectx << " x " << rl->recty << endl; + + 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); + } + } + } + + } + + int displayed_layer_count( SceneRenderLayer* srl ) { + int count = 0; + + for( FreestyleModuleConfig* module_conf = (FreestyleModuleConfig *)srl->freestyleConfig.modules.first; module_conf; module_conf = module_conf->next ) { + if( module_conf->is_displayed ) + count++; + } + return count; + } + + void FRS_add_Freestyle(Render* re) { + + SceneRenderLayer *srl; + Render* freestyle_render = NULL; + + // init + cout << "\n#===============================================================" << endl; + cout << "# Freestyle" << endl; + cout << "#===============================================================" << endl; + + init_view(re); + init_camera(re); + freestyle_scene = re->scene; + + for(srl= (SceneRenderLayer *)re->scene->r.layers.first; srl; srl= srl->next) { + if( !(srl->layflag & SCE_LAY_DISABLE) && + srl->layflag & SCE_LAY_FRS && + displayed_layer_count(srl) > 0 ) + { + cout << "\n----------------------------------------------------------" << endl; + cout << "| " << (re->scene->id.name+2) << "|" << srl->name << endl; + cout << "----------------------------------------------------------" << endl; + + // prepare Freestyle: + // - clear canvas + // - load mesh + // - add style modules + // - set parameters + // - compute view map + prepare(re, srl); + + // render and composite Freestyle result + if( controller->_ViewMap ) { + + // render strokes + controller->DrawStrokes(); + freestyle_render = controller->RenderStrokes(re); + controller->CloseFile(); + + // composite result + composite_result(re, srl, freestyle_render); + + // free resources + RE_FreeRender(freestyle_render); + } + } + } + + freestyle_scene = NULL; + } + + //======================================================= + // Freestyle Panel Configuration + //======================================================= + + void FRS_add_freestyle_config( SceneRenderLayer* srl ) + { + FreestyleConfig* config = &srl->freestyleConfig; + + config->modules.first = config->modules.last = NULL; + config->flags = 0; + config->sphere_radius = 1.0; + config->dkr_epsilon = 0.001; + } + + void FRS_free_freestyle_config( SceneRenderLayer* srl ) + { + BLI_freelistN( &srl->freestyleConfig.modules ); + } + + 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; + } + + void FRS_delete_module(FreestyleConfig *config, FreestyleModuleConfig *module_conf) + { + BLI_freelinkN(&config->modules, module_conf); + } + + void FRS_move_up_module(FreestyleConfig *config, FreestyleModuleConfig *module_conf) + { + BLI_remlink(&config->modules, module_conf); + BLI_insertlink(&config->modules, module_conf->prev->prev, module_conf); + } + + void FRS_move_down_module(FreestyleConfig *config, FreestyleModuleConfig *module_conf) + { + BLI_remlink(&config->modules, module_conf); + BLI_insertlink(&config->modules, module_conf->next, module_conf); + } + +#ifdef __cplusplus +} +#endif |