void ofxGuiSlider::draw()
{
glPushMatrix();
glTranslatef(mObjX, mObjY, 0.0);
if(mParamName != "")
drawParamString(0.0, 0.0, mParamName + ": " + floatToString(mValue, mDisplay), false);
float x = (mCtrWidth * valueToFraction(mValue));
ofFill();
// background
glColor4f(mGlobals->mCoverColor.r, mGlobals->mCoverColor.g, mGlobals->mCoverColor.b, mGlobals->mCoverColor.a);
ofRect(mCtrX, mCtrY, mCtrWidth, mCtrHeight);
// action
glColor4f(mGlobals->mSliderColor.r, mGlobals->mSliderColor.g, mGlobals->mSliderColor.b, mGlobals->mSliderColor.a);
ofRect(mCtrX, mCtrY, x, mCtrHeight);
// handle
glColor4f(mGlobals->mHandleColor.r, mGlobals->mHandleColor.g, mGlobals->mHandleColor.b, mGlobals->mHandleColor.a);
ofRect(x, mCtrY, 1.0, mCtrHeight);
ofNoFill();
// frame
glColor4f(mGlobals->mFrameColor.r, mGlobals->mFrameColor.g, mGlobals->mFrameColor.b, mGlobals->mFrameColor.a);
ofRect(mCtrX, mCtrY, mCtrWidth, mCtrHeight);
glPopMatrix();
}
void ofxGuiKnob::setValue(float value)
{
if(mSteps > 1)
{
float fraction = valueToFraction(value);
float steps = (float)mSteps - 1;
float slice = roundInt(fraction * steps) / steps;
value = mMinVal + mValDlt * slice;
}
mValue = value;
}
void ofxGuiRadar::setValue(float value)
{
if(mSteps > 1)
{
float fraction = valueToFraction(value);
float steps = (float)mSteps - 1;
float slice = roundInt(fraction * steps) / steps;
value = mMinVal + mValDlt * slice;
if (mDisplay == kofxGui_Display_String && value != mValue)
{
int id = (int)value;
//mGlobals->mListener->handleGui(mParamId, kofxGui_Get_String, &id, sizeof(int));
}
}
mValue = value;
}
void ofxGuiPoints::draw()
{
glPushMatrix();
glTranslatef(mObjX, mObjY, 0.0f);
if(mParamName != "")
drawParamString(0.0, 0.0, mParamName + ": " + pointToString(mList.activePoint != -1 ? mOutVal : mValue, mDisplay), false);
ofxPoint2f p = fractionToLocal(valueToFraction(mValue));
float x = mCtrWidth * p.x;
float y = mCtrHeight * p.y;
float d = mGlobals->mPointSize;
float r = d / 2.0;
ofFill();
// background
glColor4f(mGlobals->mCoverColor.r, mGlobals->mCoverColor.g, mGlobals->mCoverColor.b, mGlobals->mCoverColor.a);
ofRect(mCtrX, mCtrY, mCtrWidth, mCtrHeight);
ofNoFill();
// lines
glColor4f(mGlobals->mCurveColor.r, mGlobals->mCurveColor.g, mGlobals->mCurveColor.b, mGlobals->mCurveColor.a);
/*
ofBeginShape();
for(int i = 0; i < mList.points.size(); i++)
{
ofxPoint2f p = fractionToLocal(valueToFraction(mList.points.at(i)));
ofVertex(p.x, p.y);
}
ofEndShape(false);
*/
GLfloat* verts = new GLfloat[(int)mMaxVal.x*2];
for (int i = 0; i < mMaxVal.x; i++) {
ofxPoint2f p = fractionToLocal(valueToFraction(bezier(mList.points, mList.points.size()-1, (float) i / (float) mMaxVal.x)));
verts[i*2 ] = p.x;
verts[i*2+1] = p.y;
}
glEnableClientState(GL_VERTEX_ARRAY);
glVertexPointer(2, GL_FLOAT, 0, verts );
glDrawArrays( GL_LINE_STRIP, 0, mMaxVal.x);
glDisableClientState(GL_VERTEX_ARRAY);
// x-bar
glColor4f(mGlobals->mAxisColor.r, mGlobals->mAxisColor.g, mGlobals->mAxisColor.b, mGlobals->mAxisColor.a);
ofLine(p.x + 0.5, mCtrY, p.x + 0.5, mCtrBottom);
if(mList.activePoint != -1)
{
// y-bar
glColor4f(mGlobals->mAxisColor.r, mGlobals->mAxisColor.g, mGlobals->mAxisColor.b,mGlobals->mAxisColor.a);
ofLine(mCtrX, p.y + 0.5, mCtrRight, p.y + 0.5);
}
// handles
for(int i = 0; i < mList.points.size(); i++)
{
glColor4f(mGlobals->mHandleColor.r, mGlobals->mHandleColor.g, mGlobals->mHandleColor.b, mGlobals->mHandleColor.a);
ofxPoint2f p = fractionToLocal(valueToFraction(mList.points.at(i)));
ofRect(p.x - r, p.y - r, d, d);
}
// frame
glColor4f(mGlobals->mFrameColor.r, mGlobals->mFrameColor.g, mGlobals->mFrameColor.b, mGlobals->mFrameColor.a);
ofRect(mCtrX, mCtrY, mCtrWidth, mCtrHeight);
glPopMatrix();
}
void ofxGuiKnob::draw()
{
glPushMatrix();
glTranslatef(mObjX, mObjY, 0.0);
float w = mCtrWidth / 2;
float h = mCtrHeight / 2;
float x = mCtrX + w;
float y = mCtrY + h;
float v1 = 130.0f;
float v2 = 280.0f;
int resolution = 22;
float angle, step, cosine, sine, xpos, ypos;
if(mParamName != "")
drawParamString(x, 0.0, mParamName, true);
ofFill();
// background
glColor4f(mGlobals->mCoverColor.r, mGlobals->mCoverColor.g, mGlobals->mCoverColor.b, mGlobals->mCoverColor.a);
ofEllipse(x, y, w, h);
// action
glColor4f(mGlobals->mSliderColor.r, mGlobals->mSliderColor.g, mGlobals->mSliderColor.b, mGlobals->mSliderColor.a);
step = (DEG_TO_RAD * valueToFraction(mValue) * v2) / (resolution - 1);
angle = DEG_TO_RAD * v1;
glBegin(GL_TRIANGLE_STRIP);
for(int i = 0; i < resolution; i++)
{
cosine = cos(angle);
sine = sin(angle);
xpos = cosine * w;
ypos = sine * h;
glVertex2f(x + xpos, y + ypos);
xpos = cosine * (w - mGlobals->mKnobSize);
ypos = sine * (h - mGlobals->mKnobSize);
glVertex2f(x + xpos, y + ypos);
angle += step;
}
glEnd();
ofNoFill();
// handle
glColor4f(mGlobals->mHandleColor.r, mGlobals->mHandleColor.g, mGlobals->mHandleColor.b, mGlobals->mHandleColor.a);
angle = DEG_TO_RAD * v1;
cosine = cos(angle);
sine = sin(angle);
ofLine(x + cosine * w, y + sine * h, x + cosine * (w - mGlobals->mKnobSize), y + sine * (h - mGlobals->mKnobSize));
angle = DEG_TO_RAD * (v1 + valueToFraction(mValue) * v2);
cosine = cos(angle);
sine = sin(angle);
ofLine(x + cosine * w, y + sine * h, x + cosine * (w - mGlobals->mKnobSize), y + sine * (h - mGlobals->mKnobSize));
step = (DEG_TO_RAD * valueToFraction(mValue) * v2) / (resolution - 1);
angle = DEG_TO_RAD * v1;
glPushMatrix();
glTranslatef(x, y, 0.0);
ofBeginShape();
for(int i = 0; i < resolution; i++)
{
xpos = cos(angle) * (w - mGlobals->mKnobSize);
ypos = sin(angle) * (h - mGlobals->mKnobSize);
ofVertex(xpos, ypos);
angle += step;
}
ofEndShape(false);
glPopMatrix();
// frame
glColor4f(mGlobals->mFrameColor.r, mGlobals->mFrameColor.g, mGlobals->mFrameColor.b, mGlobals->mFrameColor.a);
ofEllipse(x, y, w, h);
drawValueString(x, y, floatToString(mValue, mDisplay));
glPopMatrix();
}
