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fixed HAVE_XRENDER

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This commit is contained in:
fluxgen 2003-04-20 14:47:35 +00:00
parent 8137eb377a
commit 54cf041b83
1 changed files with 23 additions and 8 deletions
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31
src/FbTk/Transparent.cc
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@ -19,20 +19,24 @@
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
// $Id: Transparent.cc,v 1.1 2003/04/20 13:27:16 fluxgen Exp $
// $Id: Transparent.cc,v 1.2 2003/04/20 14:47:35 fluxgen Exp $
#include "Transparent.hh"
#include "App.hh"
// #ifdef HAVE_XRENDER
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif // HAVE_CONFIG_H
#ifdef HAVE_XRENDER
#include <X11/extensions/Xrender.h>
// #endif // HAVE_XRENDER
#endif // HAVE_XRENDER
#include <iostream>
using namespace std;
namespace {
#ifdef HAVE_XRENDER
Picture createAlphaPic(Window drawable, unsigned char alpha) {
Display *disp = FbTk::App::instance()->display();
@ -83,7 +87,7 @@ Picture createAlphaPic(Window drawable, unsigned char alpha) {
return alpha_pic;
}
#endif // HAVE_XRENDER
};
namespace FbTk {
@ -93,6 +97,7 @@ Transparent::Transparent(Drawable src, Drawable dest, unsigned char alpha, int s
m_alpha_pic(0), m_src_pic(0), m_dest_pic(0),
m_source(src), m_dest(dest), m_alpha(alpha) {
#ifdef HAVE_XRENDER
allocAlpha(m_alpha);
Display *disp = FbTk::App::instance()->display();
@ -111,10 +116,11 @@ Transparent::Transparent(Drawable src, Drawable dest, unsigned char alpha, int s
m_dest_pic = XRenderCreatePicture(disp, dest, format,
0, 0);
}
#endif // HAVE_XRENDER
}
Transparent::~Transparent() {
#ifdef HAVE_XRENDER
if (m_alpha_pic != 0)
freeAlpha();
@ -125,6 +131,7 @@ Transparent::~Transparent() {
if (m_src_pic != 0)
XRenderFreePicture(disp, m_src_pic);
#endif // HAVE_XRENDER
}
void Transparent::setAlpha(unsigned char alpha) {
@ -136,6 +143,7 @@ void Transparent::setAlpha(unsigned char alpha) {
}
void Transparent::setDest(Drawable dest, int screen_num) {
#ifdef HAVE_XRENDER
if (m_dest == dest)
return;
@ -158,10 +166,11 @@ void Transparent::setDest(Drawable dest, int screen_num) {
}
m_dest = dest;
#endif // HAVE_XRENDER
}
void Transparent::setSource(Drawable source, int screen_num) {
#ifdef HAVE_XRENDER
if (m_source == source)
return;
@ -189,11 +198,13 @@ void Transparent::setSource(Drawable source, int screen_num) {
m_src_pic = XRenderCreatePicture(disp, m_source, format,
0, 0);
}
#endif // HAVE_XRENDER
}
void Transparent::render(int src_x, int src_y,
int dest_x, int dest_y,
unsigned int width, unsigned int height) const {
#ifdef HAVE_XRENDER
if (m_src_pic == 0 || m_dest_pic == 0 ||
m_alpha_pic == 0)
return;
@ -208,10 +219,11 @@ void Transparent::render(int src_x, int src_y,
dest_x, dest_y,
width, height);
#endif // HAVE_XRENDER
}
void Transparent::allocAlpha(unsigned char alpha) {
#ifdef HAVE_XRENDER
if (m_source == 0)
return;
if (m_alpha_pic != 0)
@ -219,10 +231,13 @@ void Transparent::allocAlpha(unsigned char alpha) {
m_alpha_pic = createAlphaPic(m_source, alpha);
m_alpha = alpha;
#endif // HAVE_XRENDER
}
void Transparent::freeAlpha() {
#ifdef HAVE_XRENDER
XRenderFreePicture(FbTk::App::instance()->display(), m_alpha_pic);
#endif // HAVE_XRENDER
m_alpha_pic = 0;
m_alpha = 255;
}