void DrawCar()
{
double angle = atan(3 * (2 * m_carPos - 3 * m_carPos * m_carPos));
m_pRotatedCar->rotate(m_pCar, 35, 41, angle);
double y = m_carPos * m_carPos - m_carPos * m_carPos * m_carPos;
int i = (int)((m_carPos + 0.4) * m_pImage->width() / 1.4);
int j = (int)(m_pImage->height() - y * 3 * m_pImage->height() - 50);
GRect r(0, 0, 70, 60);
m_pImage->blitAlpha(i - 35, j - 40, m_pRotatedCar, &r);
}
void Image4uint8::copyGImage(const GImage& im) {
switch (im.channels()) {
case 1:
copyArray(im.pixel1(), im.width(), im.height());
break;
case 3:
copyArray(im.pixel3(), im.width(), im.height());
break;
case 4:
copyArray(im.pixel4(), im.width(), im.height());
break;
}
}
Image4uint8::Ref Image4uint8::fromGImage(const GImage& im, WrapMode wrap) {
switch (im.channels()) {
case 1:
return fromArray(im.pixel1(), im.width(), im.height(), wrap);
case 3:
return fromArray(im.pixel3(), im.width(), im.height(), wrap);
case 4:
return fromArray(im.pixel4(), im.width(), im.height(), wrap);
default:
debugAssertM(false, "Input GImage must have 1, 3, or 4 channels.");
return NULL;
}
}
HelloDialog(HelloController* pController, int w, int h)
: GWidgetDialog(w, h, 0xff90d0f0) // a=ff, r=90, g=d0, b=f0
{
m_pController = pController;
m_pImage = new GImage();
m_pImage->setSize(800, 600);
m_pCanvas = new GWidgetCanvas(this, 10, 30, m_pImage->width(), m_pImage->height(), m_pImage);
m_pQuitButton = new GWidgetTextButton(this, 850, 300, 80, 24, "Quit");
}
PopupView(GWidgetDialog* pDialog)
: ViewBase()
{
m_nLeft = 0;
m_nTop = 0;
m_pBackgroundImage = new GImage();
captureScreen(m_pBackgroundImage);
m_pBackgroundImage->contrastAndBrightness(.5, -64);
m_pDialog = pDialog;
m_x = (m_pBackgroundImage->width() - m_pDialog->rect()->w) / 2;
m_y = (m_pBackgroundImage->height() - m_pDialog->rect()->h) / 2;
}
void Redraw(bool forw)
{
m_pImage->clear(0xff80c0e0);
// Draw the hill
{
int i, j;
double x, y;
for(i = 0; i < (int)m_pImage->width(); i++)
{
x = (double)i * 1.4 / m_pImage->width() - 0.4;
y = x * x - x * x * x;
j = (int)(m_pImage->height() - y * 3 * m_pImage->height() - 50);
m_pImage->lineNoChecks(i, j, i, m_pImage->height() - 1, 0xff40a060);
}
}
// Draw the car
DrawCar();
// Draw the acceleration arrow
m_pImage->arrow(240, 20, 240 + (forw ? 15 : -15), 20, 0xff000000, 10);
}
CarOnHillDialog(CarOnHillController* pController, int w, int h)
: GWidgetDialog(w, h, 0xff90d0f0)
{
m_pController = pController;
m_pBullets = new GWidgetBulletGroup(this, 820, 102, 14, 14, 2, 30, true);
new GWidgetTextLabel(this, 840, 100, 100, 24, "Mouse", 0xff306000);
new GWidgetTextLabel(this, 840, 130, 100, 24, "Q-Learner", 0xff306000);
m_pBullets->setSelection(1);
m_pWins = new GWidgetTextLabel(this, 820, 300, 100, 24, "Wins: 0", 0xff306000, 0xff90d0f0);
m_pUpdateDisplay = new GWidgetCheckBox(this, 820, 402, 18, 18);
m_pUpdateDisplay->setChecked(true);
new GWidgetTextLabel(this, 840, 400, 100, 24, "Slow", 0xff306000);
m_pImage = new GImage();
m_pImage->setSize(800, 600);
m_pCanvas = new GWidgetCanvas(this, 10, 30, m_pImage->width(), m_pImage->height(), m_pImage);
m_prng = new GRand(0);
m_pModel = new CarOnHillModel(m_prng, m_pImage, m_pWins);
m_bPrevUpdate = true;
}
void G2DRegionGraph::makeCoarserRegions(G2DRegionGraph* pFineRegions)
{
// Find every region's closest neighbor
GImage* pFineRegionMask = pFineRegions->regionMask();
GImage* pCoarseRegionMask = regionMask();
GAssert(pCoarseRegionMask->width() == pFineRegionMask->width() && pCoarseRegionMask->height() == pFineRegionMask->height()); // size mismatch
int* pBestNeighborMap = new int[pFineRegions->regionCount()];
ArrayHolder<int> hBestNeighborMap(pBestNeighborMap);
for(size_t i = 0; i < pFineRegions->regionCount(); i++)
{
struct GRegion* pRegion = pFineRegions->m_regions[i];
struct GRegionEdge* pEdge;
double d;
double dBestDiff = 1e200;
int nBestNeighbor = -1;
for(pEdge = pRegion->m_pNeighbors; pEdge; pEdge = pEdge->GetNext(i))
{
size_t j = pEdge->GetOther(i);
struct GRegion* pOtherRegion = pFineRegions->m_regions[j];
d = MeasureRegionDifference(pRegion, pOtherRegion);
if(d < dBestDiff)
{
dBestDiff = d;
nBestNeighbor = (int)j;
}
}
GAssert(nBestNeighbor != -1 || pFineRegions->regionCount() == 1); // failed to find a neighbor
pBestNeighborMap[i] = nBestNeighbor;
}
// Create a mapping to new regions numbers
int* pNewRegionMap = new int[pFineRegions->regionCount()];
ArrayHolder<int> hNewRegionMap(pNewRegionMap);
memset(pNewRegionMap, 0xff, sizeof(int) * pFineRegions->regionCount());
int nNewRegionCount = 0;
for(size_t i = 0; i < pFineRegions->regionCount(); i++)
{
size_t nNewRegion = -1;
size_t j = i;
while(pNewRegionMap[j] == -1)
{
pNewRegionMap[j] = -2;
j = pBestNeighborMap[j];
}
if(pNewRegionMap[j] == -2)
nNewRegion = nNewRegionCount++;
else
nNewRegion = pNewRegionMap[j];
j = i;
while(pNewRegionMap[j] == -2)
{
pNewRegionMap[j] = (int)nNewRegion;
j = pBestNeighborMap[j];
}
}
// Make the new regions
for(size_t i = 0; i < pFineRegions->regionCount(); i++)
{
struct GRegion* pRegion = pFineRegions->m_regions[i];
size_t j = pNewRegionMap[i];
if(regionCount() <= j)
{
GAssert(regionCount() == j); // how'd it get two behind?
addRegion();
}
struct GRegion* pCoarseRegion = m_regions[j];
pCoarseRegion->m_nSumRed += pRegion->m_nSumRed;
pCoarseRegion->m_nSumGreen += pRegion->m_nSumGreen;
pCoarseRegion->m_nSumBlue += pRegion->m_nSumBlue;
pCoarseRegion->m_nPixels += pRegion->m_nPixels;
}
for(size_t i = 0; i < pFineRegions->regionCount(); i++)
{
struct GRegion* pRegion = pFineRegions->m_regions[i];
size_t j = pNewRegionMap[i];
struct GRegionEdge* pEdge;
for(pEdge = pRegion->m_pNeighbors; pEdge; pEdge = pEdge->GetNext(i))
{
size_t k = pNewRegionMap[pEdge->GetOther(i)];
if(j != k)
makeNeighbors(j, k);
}
}
// Make the fine region mask
unsigned int nOldRegion;
int x, y;
for(y = 0; y < (int)pFineRegionMask->height(); y++)
{
for(x = 0; x < (int)pFineRegionMask->width(); x++)
{
nOldRegion = pFineRegionMask->pixel(x, y);
pCoarseRegionMask->setPixel(x, y, pNewRegionMap[nOldRegion]);
}
}
}