void Texture::setTransparentColor(unsigned char r, unsigned char g, unsigned char b)
{
assert( m_data != 0 );
GLenum fmt;
if( getBytesPerPixel() == 4 )
{
fmt = GL_RGBA;
for( int y=0; y<getHeight(); ++y )
{
for( int x=0; x<getWidth(); ++x )
{
unsigned char* data = getPixel(x,y);
if( data[0] == r && data[1] == g && data[2] == b )
{
data[3] = 0;
}
}
}
}
else if( getBytesPerPixel() == 3 )
{
unsigned char* newData = new unsigned char[m_width*m_height*4];
for( int y=0; y<getHeight(); ++y )
{
for( int x=0; x<getWidth(); ++x )
{
unsigned char* data = getPixel(x,y);
unsigned char* d = &newData[(y*getWidth()+x)*4];
d[0] = data[0];
d[1] = data[1];
d[2] = data[2];
d[3] = 0xff;
if( data[0] == r && data[1] == g && data[2] == b )
{
d[3] = 0x00;
}
}
}
m_bpp = 4;
fmt = GL_RGBA;
delete [] m_data;
m_data = newData;
}
else
{
esLogEngineError("[%s] Unsupported bytes per pixel: %d", __FUNCTION__, m_bpp);
return;
}
glBindTexture(GL_TEXTURE_2D, getNativeId());
glTexImage2D(GL_TEXTURE_2D, 0, fmt, m_width, m_height, 0, fmt, GL_UNSIGNED_BYTE, m_data );
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
}
int Texture::getNativeId() const
{
return getNativeId(0);
}
void Cursor::setNativeCursor(unsigned int cursor_id) {
#if defined( WIN32 ) || defined(__unix__)
// Check if a value in NativeCursors is requested
cursor_id = getNativeId(cursor_id);
// Load cursor
#if defined( __unix__ )
static Display* dsp = XOpenDisplay(NULL);
XCursor xCursor = XcursorShapeLoadCursor(dsp, cursor_id);
if (xCursor == 0) {
if (m_native_cursor != NULL) {
SDL_FreeCursor(m_native_cursor);
m_native_cursor = NULL;
}
FL_WARN(_log, "Cursor: No cursor matching cursor_id was found.");
return;
}
#elif defined( WIN32 )
// Load native cursor
HCURSOR hIcon = LoadCursor(NULL, MAKEINTRESOURCE(cursor_id));
if (hIcon == static_cast<HCURSOR>(0)) {
if (m_native_cursor != NULL) {
SDL_FreeCursor(m_native_cursor);
m_native_cursor = NULL;
}
FL_WARN(_log, "Cursor: No cursor matching cursor_id was found.");
return;
}
#endif
WMcursor *cursor;
SDL_Cursor *curs2;
// Allocate memory. Use SDL_FreeCursor to free cursor memory
cursor = (WMcursor *)SDL_malloc(sizeof(*cursor));
curs2 = (SDL_Cursor *)SDL_malloc(sizeof *curs2);
//-- Set up some default values --
curs2->wm_cursor = cursor;
curs2->data = NULL;
curs2->mask = NULL;
curs2->save[0] = NULL;
curs2->save[1] = NULL;
curs2->area.x = 0;
curs2->area.y = 0;
curs2->area.w = 32;
curs2->area.h = 32;
curs2->hot_x = 0;
curs2->hot_y = 0;
#if defined(WIN32)
cursor->curs = hIcon;
#ifndef _WIN32_WCE
cursor->ands = NULL;
cursor->xors = NULL;
#endif
// Get hot spot
ICONINFO iconinfo;
if (GetIconInfo(hIcon, &iconinfo)) {
curs2->hot_x = static_cast<Sint16>(iconinfo.xHotspot);
curs2->hot_y = static_cast<Sint16>(iconinfo.yHotspot);
}
#elif defined(__unix__)
cursor->x_cursor = xCursor;
XSync(dsp, false);
#endif
m_native_cursor = curs2;
SDL_SetCursor(curs2);
#endif // WIN32 || __unix__
}
