CIwTexture* Transitions2D::CaptureScreen()
{
int w = IwGxGetDeviceWidth();
int h = IwGxGetDeviceHeight();
int length = w * h * 4;
uint8* buffer = new uint8[length];
glReadPixels(0, 0, w, h, 0x1908, 0x1401, buffer);
uint8* buffer2 = new uint8[length];
int lineSize = w * 4;
uint8* b1 = buffer;
uint8* b2 = buffer2 + h * lineSize;;
for(int y = h; y > 0; y--)
{
b2 -= lineSize;
for(int x = w; x > 0; x--)
{
*b2++ = *b1++;
*b2++ = *b1++;
*b2++ = *b1++;
*b2++ = *b1++;
}
b2 -= lineSize;
}
CIwTexture* texture = new CIwTexture;
CIwImage& img = texture->GetImage();
img.SetFormat(CIwImage::ABGR_8888);
img.SetWidth(w);
img.SetHeight(h);
img.SetBuffers(buffer2, length);
//img.SaveBmp("screenshot.bmp");
texture->SetMipMapping(false);
texture->Upload();
delete buffer;
delete buffer2;
return texture;
}
CzTexture CzPlatformImaging::CreateTexture(CzTexture source, CzImage::eFormat format)
{
CIwImage::Format f = toMarmImageFormat(format);
if (f == CIwImage::FORMAT_UNDEFINED)
return NULL;
CIwTexture* t = static_cast<CIwTexture*>(source);
CIwImage* image = new CIwImage();
image->SetFormat(f);
image->SetWidth(t->GetWidth());
image->SetHeight(t->GetHeight());
t->GetImage().ConvertToImage(image);
CIwTexture* texture = new CIwTexture();
texture->_SetFlags( CIwTexture::NO_CHROMA_KEY_F );
texture->SetMipMapping(t->GetMipMapping());
texture->SetFiltering(t->GetFiltering());
texture->SetModifiable(t->GetModifiable());
texture->CopyFromImage(image);
delete image;
return (CzTexture)texture;
}
void CzPlatformImaging::SaveTextureAsJpeg(CzTexture texture, const char* filename)
{
CIwTexture* t = static_cast<CIwTexture*>(texture);
t->GetImage().SaveJpg(filename);
}