wxImage ThemeBase::MaskedImage( char const ** pXpm, char const ** pMask )
{
wxBitmap Bmp1( pXpm );
wxBitmap Bmp2( pMask );
// wxLogDebug( wxT("Image 1: %i Image 2: %i"),
// Bmp1.GetDepth(), Bmp2.GetDepth() );
// We want a 24-bit-depth bitmap if all is working, but on some
// platforms it might just return -1 (which means best available
// or not relevant).
// JKC: \todo check that we're not relying on 24 bit elsewhere.
wxASSERT( Bmp1.GetDepth()==-1 || Bmp1.GetDepth()==24);
wxASSERT( Bmp1.GetDepth()==-1 || Bmp2.GetDepth()==24);
int i,nBytes;
nBytes = Bmp1.GetWidth() * Bmp1.GetHeight();
wxImage Img1( Bmp1.ConvertToImage());
wxImage Img2( Bmp2.ConvertToImage());
// unsigned char *src = Img1.GetData();
unsigned char *mk = Img2.GetData();
unsigned char *alpha = (unsigned char*)malloc( nBytes );
// Extract alpha channel from second XPM.
for(i=0;i<nBytes;i++)
{
alpha[i] = mk[0];
mk+=3;
}
Img1.SetAlpha( alpha);
//dmazzoni: the top line does not work on wxGTK
//wxBitmap Result( Img1, 32 );
//wxBitmap Result( Img1 );
return Img1;
}
void Test3::rgbimage( const char* Directory)
{
printf( "Start RGBImage Test\n");
// create 3 images
RGBImage Img1( 800, 600);
RGBImage Img2( 800, 600);
RGBImage Img3( 800, 600);
TEST( "Invalid Image Width\n", Img1.width()==800);
TEST( "Invalid Image Height\n", Img1.height()==600);
/*
Img1.setPixelColor( 800, 100, Color());
Color c = Img1.getPixelColor(800, 100);
Img2.setPixelColor( 100, 600, Color());
c = Img1.getPixelColor(100, 600);
*/
Color c0(0,0,0);
Color c1(1,0,0);
Color c2(0,1,0);
Color c3(0,0,1);
for( unsigned int i=0; i<Img1.height(); i++ )
{
for( unsigned int j=0; j<Img1.width(); j++ )
{
float u = (float)j/(float)Img1.width();
float v = (float)i/(float)Img1.height();
Color cu0 = c0 *(1.0f-u) + c1*u;
Color cu1 = c2 *(1.0f-u) + c3*u;
Color co = cu0 *(1.0f-v) + cu1*v;
if ((j == 0 || j==400) && i%50 == 0) {
std::cout << " : i =" << i*j << "\n" << "Floats RGB:( " << co.R << " | " << co.G << " | " << co.B << " )" << std::endl;
}
Img1.setPixelColor(j, i, co);
TEST( "Different colors for identical get/setPixelColor calls\n", equals(co, Img1.getPixelColor(j,i)));
}
}
char Path[512];
char CompletePath[512];
size_t len = strlen( Directory );
assert(len<=256);
strcpy(Path, Directory);
if(len>0 && Path[len-1] != '/' && Path[len-1] != '\\')
strcat( Path, "/");
strcpy( CompletePath, Path);
strcat( CompletePath, "rgbtestimage1.bmp");
TEST( "Unable to save Image!\n", Img1.saveToDisk(CompletePath));
for( unsigned int i=0; i<Img1.height(); i++ )
{
for( unsigned int j=0; j<Img1.width(); j++ )
{
float cx = ((float)j-400.0f);
float cy = ((float)i-300.0f);
float r = sqrt(cx*cx + cy*cy);
if(r<300)
{
r = 300-r;
float rcx = cx * cos( r * 0.015f) - cy * sin(r* 0.015f);
float rcy = cx * sin( r * 0.015f) + cy * cos(r* 0.015f);
Color co = Img1.getPixelColor(400 + (int)rcx, 300 + (int)rcy);
Img2.setPixelColor(j,i, co);
}
else
{
Color co = Img1.getPixelColor(j, i );
Img2.setPixelColor(j,i, co);
}
}
}
strcpy( CompletePath, Path);
strcat( CompletePath, "rgbtestimage2.bmp");
TEST( "Unable to save Image!\n", Img2.saveToDisk(CompletePath));
for( unsigned int i=0; i<Img2.height(); i++ )
{
for( unsigned int j=0; j<Img2.width(); j++ )
{
if( ((j/40)%2)==(i/40)%2 )
{
Color c = Color(1,1,1);
c.R = c.R - Img2.getPixelColor(j,i).R;
c.G = c.G - Img2.getPixelColor(j,i).G;
c.B = c.B - Img2.getPixelColor(j,i).B;
Img3.setPixelColor(j,i, c);
}
else
{
Img3.setPixelColor(j,i, Img2.getPixelColor(j,i));
}
}
}
strcpy( CompletePath, Path);
strcat( CompletePath, "rgbtestimage3.bmp");
TEST( "Unable to save Image!\n", Img3.saveToDisk(CompletePath));
printf( "RGBImage Test succeeded if the saved bmp-images are equal to the reference images!\n");
}