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Clipping algo is now OK ==> I will create a generic code and optimise it...

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This commit is contained in:
Edouard Dupin 2011-11-10 17:54:28 +01:00
parent 40f82d2f77
commit 1cabc7310b
5 changed files with 163 additions and 34 deletions
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172
Sources/ewolOObject2DColored.cpp
View File

@ -89,6 +89,7 @@ void generatePolyGone(etk::VectorType<coord2D_ts> & input, etk::VectorType<coord
output.PushBack(input[iii]);
output.PushBack(input[iii+1]);
}
//EWOL_DEBUG("generate Plygone : " << input.Size() << " ==> " << output.Size() );
}
void SutherlandHodgman(etk::VectorType<coord2D_ts> & input, etk::VectorType<coord2D_ts> & output, float sx, float sy, float ex, float ey)
@ -97,28 +98,25 @@ void SutherlandHodgman(etk::VectorType<coord2D_ts> & input, etk::VectorType<coor
if (input.Size() <0) {
return;
}
int32_t sizeInit=input.Size();
// last element :
coord2D_ts destPoint;
coord2D_ts lastElement = input[input.Size()-1];
bool inside = true;
if (lastElement.x < 0) {
if (lastElement.x < sx) {
inside = false;
}
EWOL_DEBUG("generate an crop : ");
//EWOL_DEBUG("generate an crop : ");
for(int32_t iii=0; iii<input.Size(); iii++) {
if(input[iii].x < 0) {
if(input[iii].x < sx) {
if(true == inside) {
//EWOL_DEBUG("element IN ==> OUT ");
//new point intersection ...
//y=aaax+bbb
//EWOL_DEBUG(" A (" << lastElement.x << "," << lastElement.y << ") A(" << input[iii].x << "," << input[iii].y << ")");
float aaa = (lastElement.y-input[iii].y) / (lastElement.x-input[iii].x);
float bbb = lastElement.y - (aaa*lastElement.x);
//EWOL_DEBUG(" y=" << aaa << "*x + " << bbb << ";");
//==> intersection en x=0 :
destPoint.y = bbb;
destPoint.x = 0;
//EWOL_DEBUG(" ADD (" << destPoint.x << "," << destPoint.y << ")");
destPoint.y = aaa*sx + bbb;
destPoint.x = sx;
output.PushBack(destPoint);
} else {
//EWOL_DEBUG("element OUT ==> OUT ");
@ -127,22 +125,16 @@ void SutherlandHodgman(etk::VectorType<coord2D_ts> & input, etk::VectorType<coor
} else {
if(true == inside) {
//EWOL_DEBUG("element IN ==> IN ");
//EWOL_DEBUG(" ADD (" << input[iii].x << "," << input[iii].y << ")");
output.PushBack(input[iii]);
} else {
//EWOL_DEBUG("element OUT ==> IN ");
//new point intersection ...
//y=aaax+bbb
//EWOL_DEBUG(" A (" << lastElement.x << "," << lastElement.y << ") A(" << input[iii].x << "," << input[iii].y << ")");
float aaa = (lastElement.y-input[iii].y) / (lastElement.x-input[iii].x);
float bbb = lastElement.y - (aaa*lastElement.x);
//EWOL_DEBUG(" y=" << aaa << "*x + " << bbb << ";");
//==> intersection en x=0 :
destPoint.y = bbb;
destPoint.x = 0;
//EWOL_DEBUG(" ADD (" << destPoint.x << "," << destPoint.y << ")");
destPoint.y = aaa*sx + bbb;
destPoint.x = sx;
output.PushBack(destPoint);
//EWOL_DEBUG(" ADD (" << input[iii].x << "," << input[iii].y << ")");
output.PushBack(input[iii]);
}
inside = true;
@ -151,7 +143,143 @@ void SutherlandHodgman(etk::VectorType<coord2D_ts> & input, etk::VectorType<coor
lastElement.x = input[iii].x;
lastElement.y = input[iii].y;
}
EWOL_DEBUG("generate an crop on element : " << input.Size()<< " ==> " << output.Size() );
//EWOL_DEBUG("generate an crop on element : " << sizeInit << " ==> " << output.Size() << "intermediate (1)");
input = output;
output.Clear();
lastElement = input[input.Size()-1];
inside = true;
if (lastElement.y < sy) {
inside = false;
}
for(int32_t iii=0; iii<input.Size(); iii++) {
if(input[iii].y < sy) {
if(true == inside) {
//EWOL_DEBUG("element IN ==> OUT ");
//new point intersection ...
//x=aaay+bbb
float aaa = (lastElement.x-input[iii].x) / (lastElement.y-input[iii].y);
float bbb = lastElement.x - (aaa*lastElement.y);
destPoint.y = sy;
destPoint.x = sy*aaa + bbb;
output.PushBack(destPoint);
} else {
//EWOL_DEBUG("element OUT ==> OUT ");
}
inside = false;
} else {
if(true == inside) {
//EWOL_DEBUG("element IN ==> IN ");
output.PushBack(input[iii]);
} else {
//EWOL_DEBUG("element OUT ==> IN ");
//new point intersection ...
//y=aaax+bbb
float aaa = (lastElement.x-input[iii].x) / (lastElement.y-input[iii].y);
float bbb = lastElement.x - (aaa*lastElement.y);
destPoint.y = sy;
destPoint.x = sy*aaa + bbb;
output.PushBack(destPoint);
output.PushBack(input[iii]);
}
inside = true;
}
// update the last point position :
lastElement.x = input[iii].x;
lastElement.y = input[iii].y;
}
input = output;
output.Clear();
lastElement = input[input.Size()-1];
inside = true;
if (lastElement.x > ex) {
inside = false;
}
//EWOL_DEBUG("generate an crop : ");
for(int32_t iii=0; iii<input.Size(); iii++) {
if(input[iii].x > ex) {
if(true == inside) {
//EWOL_DEBUG("element IN ==> OUT ");
//new point intersection ...
//y=aaax+bbb
float aaa = (lastElement.y-input[iii].y) / (lastElement.x-input[iii].x);
float bbb = lastElement.y - (aaa*lastElement.x);
destPoint.y = aaa*ex + bbb;
destPoint.x = ex;
output.PushBack(destPoint);
} else {
//EWOL_DEBUG("element OUT ==> OUT ");
}
inside = false;
} else {
if(true == inside) {
//EWOL_DEBUG("element IN ==> IN ");
output.PushBack(input[iii]);
} else {
//EWOL_DEBUG("element OUT ==> IN ");
//new point intersection ...
//y=aaax+bbb
float aaa = (lastElement.y-input[iii].y) / (lastElement.x-input[iii].x);
float bbb = lastElement.y - (aaa*lastElement.x);
destPoint.y = aaa*ex + bbb;
destPoint.x = ex;
output.PushBack(destPoint);
output.PushBack(input[iii]);
}
inside = true;
}
// update the last point position :
lastElement.x = input[iii].x;
lastElement.y = input[iii].y;
}
input = output;
output.Clear();
lastElement = input[input.Size()-1];
inside = true;
if (lastElement.y > ey) {
inside = false;
}
for(int32_t iii=0; iii<input.Size(); iii++) {
if(input[iii].y > ey) {
if(true == inside) {
//EWOL_DEBUG("element IN ==> OUT ");
//new point intersection ...
//x=aaay+bbb
float aaa = (lastElement.x-input[iii].x) / (lastElement.y-input[iii].y);
float bbb = lastElement.x - (aaa*lastElement.y);
destPoint.y = ey;
destPoint.x = ey*aaa + bbb;
output.PushBack(destPoint);
} else {
//EWOL_DEBUG("element OUT ==> OUT ");
}
inside = false;
} else {
if(true == inside) {
//EWOL_DEBUG("element IN ==> IN ");
output.PushBack(input[iii]);
} else {
//EWOL_DEBUG("element OUT ==> IN ");
//new point intersection ...
//y=aaax+bbb
float aaa = (lastElement.x-input[iii].x) / (lastElement.y-input[iii].y);
float bbb = lastElement.x - (aaa*lastElement.y);
destPoint.y = ey;
destPoint.x = ey*aaa + bbb;
output.PushBack(destPoint);
output.PushBack(input[iii]);
}
inside = true;
}
// update the last point position :
lastElement.x = input[iii].x;
lastElement.y = input[iii].y;
}
//EWOL_DEBUG("generate an crop on element : " << sizeInit << " ==> " << output.Size() );
}
@ -331,7 +459,7 @@ void ewol::OObject2DColored::Circle(float x, float y, float radius, float thickn
if (radius < thickness/2) {
Disc(x, y, thickness/2 + radius);
}
int32_t nbOcurence = radius*2;
int32_t nbOcurence = radius;
if (nbOcurence < 10)
{
nbOcurence = 10;
@ -366,10 +494,10 @@ void ewol::OObject2DColored::Disc(float x, float y, float radius)
if (radius<0) {
radius *= -1;
}
int32_t nbOcurence = radius*2;
if (nbOcurence < 10)
int32_t nbOcurence = radius*0.50;
if (nbOcurence < 15)
{
nbOcurence = 10;
nbOcurence = 15;
}
for (int32_t iii=0; iii<nbOcurence; iii++) {

2
Sources/ewolWidget.cpp
View File

@ -148,7 +148,7 @@ bool ewol::Widget::AddEventArea(coord origin, coord size, uint64_t flags, const
newEvent.area.size = size;
newEvent.area.flags = flags;
m_inputEvent.PushBack(newEvent);
EWOL_DEBUG("Add an area event...");
//EWOL_DEBUG("Add an area event...");
return true;
}

10
Sources/widget/ewolSizerHori.cpp
View File

@ -43,7 +43,7 @@ ewol::SizerHori::~SizerHori(void)
bool ewol::SizerHori::CalculateSize(double availlableX, double availlableY)
{
EWOL_DEBUG("Update Size");
//EWOL_DEBUG("Update Size");
m_size.x = availlableX;
m_size.y = availlableY;
// calculate unExpendable Size :
@ -76,7 +76,7 @@ bool ewol::SizerHori::CalculateSize(double availlableX, double availlableY)
if (NULL != m_subWidget[iii]) {
coord tmpSize = m_subWidget[iii]->GetMinSize();
// Set the origin :
EWOL_DEBUG("Set ORIGIN : " << tmpOrigin.x << "," << tmpOrigin.y << ")");
//EWOL_DEBUG("Set ORIGIN : " << tmpOrigin.x << "," << tmpOrigin.y << ")");
m_subWidget[iii]->SetOrigin(tmpOrigin.x, tmpOrigin.y);
// Now Update his Size his size in X and the curent sizer size in Y:
if (true == m_subWidget[iii]->CanExpentX()) {
@ -94,7 +94,7 @@ bool ewol::SizerHori::CalculateSize(double availlableX, double availlableY)
bool ewol::SizerHori::CalculateMinSize(void)
{
EWOL_DEBUG("Update minimum Size");
//EWOL_DEBUG("Update minimum Size");
m_userExpendX=false;
m_userExpendY=false;
m_minSize.x = 0.0;
@ -115,8 +115,8 @@ bool ewol::SizerHori::CalculateMinSize(void)
}
}
}
EWOL_DEBUG("Result : expend X="<< m_userExpendX << " Y=" << m_userExpendY);
EWOL_DEBUG(" minSize ("<< m_minSize.x << "," << m_minSize.y << ")");
//EWOL_DEBUG("Result : expend X="<< m_userExpendX << " Y=" << m_userExpendY);
//EWOL_DEBUG(" minSize ("<< m_minSize.x << "," << m_minSize.y << ")");
return true;
}

10
Sources/widget/ewolSizerVert.cpp
View File

@ -44,7 +44,7 @@ ewol::SizerVert::~SizerVert(void)
bool ewol::SizerVert::CalculateSize(double availlableX, double availlableY)
{
EWOL_DEBUG("Update Size");
//EWOL_DEBUG("Update Size");
m_size.x = availlableX;
m_size.y = availlableY;
// calculate unExpendable Size :
@ -78,7 +78,7 @@ bool ewol::SizerVert::CalculateSize(double availlableX, double availlableY)
if (NULL != m_subWidget[iii]) {
coord tmpSize = m_subWidget[iii]->GetMinSize();
// Set the origin :
EWOL_DEBUG("Set ORIGIN : " << tmpOrigin.x << "," << tmpOrigin.y << ")");
//EWOL_DEBUG("Set ORIGIN : " << tmpOrigin.x << "," << tmpOrigin.y << ")");
m_subWidget[iii]->SetOrigin(tmpOrigin.x, tmpOrigin.y);
// Now Update his Size his size in X and the curent sizer size in Y:
if (true == m_subWidget[iii]->CanExpentY()) {
@ -96,7 +96,7 @@ bool ewol::SizerVert::CalculateSize(double availlableX, double availlableY)
bool ewol::SizerVert::CalculateMinSize(void)
{
EWOL_DEBUG("Update minimum Size");
//EWOL_DEBUG("Update minimum Size");
m_userExpendX=false;
m_userExpendY=false;
m_minSize.x = 0.0;
@ -117,8 +117,8 @@ bool ewol::SizerVert::CalculateMinSize(void)
}
}
}
EWOL_DEBUG("Result : expend X="<< m_userExpendX << " Y=" << m_userExpendY);
EWOL_DEBUG(" minSize ("<< m_minSize.x << "," << m_minSize.y << ")");
//EWOL_DEBUG("Result : expend X="<< m_userExpendX << " Y=" << m_userExpendY);
//EWOL_DEBUG(" minSize ("<< m_minSize.x << "," << m_minSize.y << ")");
return true;
}

1
Sources/widget/ewolTest.cpp
View File

@ -148,6 +148,7 @@ void ewol::Test::OnRegenerateDisplay(void)
AddEventArea(origin, size, FLAG_EVENT_INPUT_1 | FLAG_EVENT_INPUT_CLICKED_ALL, ewolEventTestPressed);
//tmpOObjects->SetColor(1.0, 0.0, 0.0, 1.0);
//tmpOObjects->Circle(100, 100, 100, 35);
/*
tmpOObjects->SetPoint(-20, -20);
tmpOObjects->SetPoint(50, 50);