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[GB.GTK]

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* BUG: Fix memory leak when loading images without alpha channel.


git-svn-id: svn://localhost/gambas/trunk@6071 867c0c6c-44f3-4631-809d-bfa615b0a4ec
This commit is contained in:
Benoît Minisini 2014-01-08 00:00:31 +00:00
parent ce4ac176ef
commit e28bd14ae3
3 changed files with 27 additions and 14 deletions
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1
gb.gtk/src/CStyle.cpp
View file

@ -531,6 +531,7 @@ static void style_panel(int x, int y, int w, int h, int border, int state)
}
gt_draw_border(_cr, style, get_state(state), border, col, x, y, w, h);
#else
GtkShadowType shadow;
GtkStateType st = get_state(state);

32
gb.gtk/src/gpicture.cpp
View file

@ -35,13 +35,14 @@ gPicture
#define LOAD_INC 65536L
static bool pixbufFromMemory(GdkPixbuf **pixbuf, char *addr, unsigned int len, bool *trans)
static bool pixbufFromMemory(GdkPixbuf **ppixbuf, char *addr, unsigned int len, bool *trans)
{
GdkPixbufLoader *loader;
GdkPixbuf *pixbuf;
GError *error = NULL;
gsize size;
*pixbuf = 0;
*ppixbuf = 0;
loader = gdk_pixbuf_loader_new();
@ -63,23 +64,24 @@ static bool pixbufFromMemory(GdkPixbuf **pixbuf, char *addr, unsigned int len, b
goto __ERROR;
}
(*pixbuf) = gdk_pixbuf_loader_get_pixbuf(loader);
g_object_ref(G_OBJECT(*pixbuf));
pixbuf = gdk_pixbuf_loader_get_pixbuf(loader);
g_object_ref(pixbuf);
if (gdk_pixbuf_get_n_channels(*pixbuf) == 3)
if (gdk_pixbuf_get_n_channels(pixbuf) == 3)
{
// Rowstride breaks gb.image (it is rounded up so that a line is always a four bytes multiple).
GdkPixbuf *aimg;
aimg = gdk_pixbuf_add_alpha(*pixbuf, FALSE, 0, 0, 0);
g_object_unref(G_OBJECT(*pixbuf));
g_object_ref(G_OBJECT(aimg));
*pixbuf = aimg;
aimg = gdk_pixbuf_add_alpha(pixbuf, FALSE, 0, 0, 0);
g_object_unref(pixbuf);
pixbuf = aimg;
*trans = false;
}
else
*trans = true;
g_object_unref(G_OBJECT(loader));
*ppixbuf = pixbuf;
return true;
__ERROR:
@ -104,6 +106,7 @@ void gPicture::initialize()
gPicture::gPicture() : gShare()
{
//fprintf(stderr, "gPicture(): %p\n", this);
initialize();
}
@ -151,6 +154,7 @@ void gPicture::createMask(bool opaque)
gPicture::gPicture(gPictureType type, int w, int h, bool trans) : gShare()
{
//fprintf(stderr, "gPicture(): %p: %d %d %d %d\n", this, type, w, h, trans);
initialize();
_transparent = trans;
@ -188,6 +192,7 @@ gPicture::gPicture(gPictureType type, int w, int h, bool trans) : gShare()
gPicture::gPicture(GdkPixbuf *image, bool trans) : gShare()
{
//fprintf(stderr, "gPicture(image): %p: %p %d\n", this, image, trans);
initialize();
if (!image)
return;
@ -241,6 +246,7 @@ gPicture::gPicture(GdkPixmap *pix) : gShare()
gPicture::~gPicture()
{
//fprintf(stderr, "~gPicture: %p\n", this);
clear();
}
@ -365,6 +371,8 @@ GdkPixmap *gPicture::getPixmap()
if (_type != PIXBUF)
getPixbuf();
if (pixmap)
g_object_unref(G_OBJECT(pixmap));
if (mask)
g_object_unref(G_OBJECT(mask));
@ -391,7 +399,10 @@ gPicture *gPicture::fromMemory(char *addr, unsigned int len)
if (!pixbufFromMemory(&pixbuf, addr, len, &trans))
return 0;
else
return new gPicture(pixbuf);
{
gPicture *pic = new gPicture(pixbuf);
return pic;
}
}
gPicture *gPicture::fromData(const char *data, int width, int height)
@ -627,6 +638,7 @@ gPicture* gPicture::fromNamedIcon(const char *name, int len)
void gPicture::clear()
{
//fprintf(stderr, "gPicture::clear: %p (%d %d) pixmap = %p pixbuf = %p\n", this, _width, _height, pixmap, pixbuf);
_width = 0;
_height = 0;
_type = VOID;

4
gb.gtk/src/gshare.h
View file

@ -26,9 +26,9 @@
#include "gtag.h"
//#define DEBUG_ME
//#define DEBUG_SHARE 1
#ifdef DEBUG_ME
#ifdef DEBUG_SHARE
class gShare
{