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assign new pixmap via constructor and operator

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This commit is contained in:
fluxgen 2003-04-27 00:12:17 +00:00
parent 5a543f8d7c
commit 4e9eac4824
2 changed files with 84 additions and 7 deletions
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79
src/FbTk/FbPixmap.cc
View file

@ -19,7 +19,7 @@
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
// $Id: FbPixmap.cc,v 1.1 2003/04/25 12:29:49 fluxgen Exp $
// $Id: FbPixmap.cc,v 1.2 2003/04/27 00:12:17 fluxgen Exp $
#include "FbPixmap.hh"
#include "App.hh"
@ -31,11 +31,20 @@ FbPixmap::FbPixmap():m_pm(0),
m_depth(0) { }
FbPixmap::FbPixmap(const FbPixmap &the_copy):m_pm(0),
m_width(0), m_height(0),
m_depth(0) {
m_width(0), m_height(0),
m_depth(0) {
copy(the_copy);
}
FbPixmap::FbPixmap(Pixmap pm):m_pm(0),
m_width(0), m_height(0),
m_depth(0) {
if (pm == 0)
return;
// assign X pixmap to this
(*this) = pm;
}
FbPixmap::FbPixmap(Drawable src,
unsigned int width, unsigned int height,
int depth):m_pm(0),
@ -96,9 +105,69 @@ FbPixmap &FbPixmap::operator = (const FbPixmap &the_copy) {
return *this;
}
void FbPixmap::copy(const FbPixmap &the_copy) {
FbPixmap &FbPixmap::operator = (Pixmap pm) {
// free pixmap before we set new
free();
create(the_copy.drawable(), the_copy.width(), the_copy.height(), the_copy.depth());
if (pm == 0)
return *this;
// get width, height and depth for the pixmap
Window root;
int x, y;
unsigned int border_width, bpp;
XGetGeometry(FbTk::App::instance()->display(),
pm,
&root,
&x, &y,
&m_width, &m_height,
&border_width,
&bpp);
m_depth = bpp;
m_pm = pm;
return *this;
}
void FbPixmap::copy(const FbPixmap &the_copy) {
bool create_new = false;
if (the_copy.width() != width() ||
the_copy.height() != height() ||
the_copy.depth() != depth() ||
drawable() == 0)
create_new = true;
if (create_new)
free();
if (the_copy.drawable() != 0) {
if (create_new) {
create(the_copy.drawable(),
the_copy.width(), the_copy.height(),
the_copy.depth());
}
if (drawable()) {
Display *dpy = FbTk::App::instance()->display();
GC temp_gc = XCreateGC(dpy,
drawable(),
0, 0);
copyArea(the_copy.drawable(),
temp_gc,
0, 0,
0, 0,
width(), height());
XFreeGC(dpy, temp_gc);
}
}
}
void FbPixmap::free() {

12
src/FbTk/FbPixmap.hh
View file

@ -19,7 +19,7 @@
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
// $Id: FbPixmap.hh,v 1.1 2003/04/25 12:29:49 fluxgen Exp $
// $Id: FbPixmap.hh,v 1.2 2003/04/27 00:10:28 fluxgen Exp $
#ifndef FBTK_FBPIXMAP_HH
#define FBTK_FBPIXMAP_HH
@ -32,11 +32,16 @@ namespace FbTk {
class FbPixmap {
public:
FbPixmap();
FbPixmap(const FbPixmap &copy);
/// copy pixmap
explicit FbPixmap(const FbPixmap &copy);
/// creates a FbPixmap from X pixmap
explicit FbPixmap(Pixmap pm);
FbPixmap(Drawable src,
unsigned int width, unsigned int height,
int depth);
~FbPixmap();
void copyArea(Drawable src, GC gc,
int src_x, int src_y,
int dest_x, int dest_y,
@ -48,7 +53,10 @@ public:
void fillPolygon(GC gc, XPoint *points, int npoints,
int shape, int mode);
void copy(const FbPixmap &the_copy);
FbPixmap &operator = (const FbPixmap &copy);
/// sets new pixmap
FbPixmap &operator = (Pixmap pm);
inline Drawable drawable() const { return m_pm; }
inline unsigned int width() const { return m_width; }