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#include "../application/Controller.h"
#include "../application/AppView.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_global.h"
#include "BKE_library.h"
#include "BKE_linestyle.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->r.xsch;
int height = (int)(((float)re->r.ysch) * ycor);
int xmin = re->r.border.xmin * width;
int xmax = re->r.border.xmax * width;
int ymin = re->r.border.ymin * height;
int ymax = re->r.border.ymax * height;
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 );
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;
}
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
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;
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->setCreaseAngle( config->crease_angle );
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->setComputeMaterialBoundariesFlag( (config->flags & FREESTYLE_MATERIAL_BOUNDARIES_FLAG) ? true : false);
controller->setSuggestiveContourKrDerivativeEpsilon( config->dkr_epsilon ) ;
cout << "Crease angle : " << controller->getCreaseAngle() << endl;
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;
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;
}
}
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) { 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;
}
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) {
cout << "\n#===============================================================" << 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;
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);
if( re->test_break(re->tbh) ) {
controller->CloseFile();
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;
}
//=======================================================
// Freestyle Panel Configuration
//=======================================================
void FRS_add_freestyle_config( SceneRenderLayer* srl )
{
FreestyleConfig* config = &srl->freestyleConfig;
config->mode = FREESTYLE_CONTROL_SCRIPT_MODE;
config->modules.first = config->modules.last = NULL;
config->flags = 0;
config->sphere_radius = 1.0f;
config->dkr_epsilon = 0.001f;
config->crease_angle = 134.43f;
config->linesets.first = config->linesets.last = NULL;
}
void FRS_free_freestyle_config( SceneRenderLayer* srl )
{
FreestyleLineSet *lineset;
for(lineset=(FreestyleLineSet *)srl->freestyleConfig.linesets.first; lineset; lineset=lineset->next) {
lineset->linestyle->id.us--;
lineset->linestyle = NULL;
}
BLI_freelistN( &srl->freestyleConfig.linesets );
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_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);
}
void FRS_add_lineset(FreestyleConfig *config)
{
int lineset_index = BLI_countlist(&config->linesets);
FreestyleLineSet *lineset = (FreestyleLineSet *) MEM_callocN( sizeof(FreestyleLineSet), "Freestyle line set");
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 = 0;
lineset->qi = FREESTYLE_QI_VISIBLE;
lineset->qi_start = 0;
lineset->qi_end = 100;
lineset->edge_types = 0;
lineset->objects.first = lineset->objects.last = NULL;
if (lineset_index > 0)
sprintf(lineset->name, "LineSet %i", lineset_index+1);
else
strcpy(lineset->name, "LineSet");
BLI_uniquename(&config->linesets, lineset, "FreestyleLineSet", '.', offsetof(FreestyleLineSet, name), sizeof(lineset->name));
}
void FRS_delete_active_lineset(FreestyleConfig *config)
{
FreestyleLineSet *lineset = FRS_get_active_lineset(config);
if (lineset) {
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;
}
}
#ifdef __cplusplus
}
#endif
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