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-rw-r--r--platform/windows/gsview/mudocument.cs39
-rw-r--r--platform/windows/mupdfnet/mupdfnet.cpp8
-rw-r--r--platform/windows/mupdfnet/mupdfnet.h2
-rw-r--r--platform/windows/mupdfwinrt/Cache.cpp10
-rw-r--r--platform/windows/mupdfwinrt/muctx.cpp15
-rw-r--r--platform/windows/mupdfwinrt/muctx.h1
-rw-r--r--platform/windows/mupdfwinrt/mudocument.cpp6
7 files changed, 79 insertions, 2 deletions
diff --git a/platform/windows/gsview/mudocument.cs b/platform/windows/gsview/mudocument.cs
index 3087d3d0..e41de6e3 100644
--- a/platform/windows/gsview/mudocument.cs
+++ b/platform/windows/gsview/mudocument.cs
@@ -159,6 +159,11 @@ namespace gsview
private static extern IntPtr mCreateDisplayListText64(IntPtr ctx, int page_num,
ref int page_width, ref int page_height, ref IntPtr text, ref int length);
+ [DllImport("mupdfnet64.dll", EntryPoint = "mReleaseLists", CharSet = CharSet.Auto,
+ CallingConvention = CallingConvention.StdCall)]
+ private static extern void mReleaseLists64(IntPtr ctx, IntPtr dlist,
+ IntPtr annot_dlist);
+
[DllImport("mupdfnet64.dll", EntryPoint = "mRenderPageMT", CharSet = CharSet.Auto,
CallingConvention = CallingConvention.StdCall)]
private static extern int mRenderPageMT64(IntPtr ctx, IntPtr dlist,
@@ -308,6 +313,11 @@ namespace gsview
private static extern IntPtr mCreateDisplayListText32(IntPtr ctx, int page_num,
ref int page_width, ref int page_height, ref IntPtr text, ref int length);
+ [DllImport("mupdfnet32.dll", EntryPoint = "mReleaseLists", CharSet = CharSet.Auto,
+ CallingConvention = CallingConvention.StdCall)]
+ private static extern void mReleaseLists32(IntPtr ctx, IntPtr dlist,
+ IntPtr annot_dlist);
+
[DllImport("mupdfnet32.dll", EntryPoint = "mRenderPageMT", CharSet = CharSet.Auto,
CallingConvention = CallingConvention.StdCall)]
private static extern int mRenderPageMT32(IntPtr ctx, IntPtr dlist,
@@ -805,6 +815,33 @@ namespace gsview
return output;
}
+ private void tc_mReleaseLists(IntPtr ctx, IntPtr dlist, IntPtr annot_dlist)
+ {
+ int output;
+ try
+ {
+ if (is64bit)
+ mReleaseLists64(ctx, dlist, annot_dlist);
+ else
+ mReleaseLists32(ctx, dlist, annot_dlist);
+ }
+ catch (DllNotFoundException)
+ {
+ /* DLL not found */
+ String err = "DllNotFoundException: MuPDF DLL not found 16";
+ mupdfDLLProblemMain(this, err);
+ return;
+ }
+ catch (BadImageFormatException)
+ {
+ /* Using 32 bit with 64 or vice versa */
+ String err = "BadImageFormatException: Incorrect MuPDF DLL";
+ mupdfDLLProblemMain(this, err);
+ return;
+ }
+ return;
+ }
+
private int tc_mRenderPageMT(IntPtr ctx, IntPtr dlist, IntPtr annot_dlist,
int page_width, int page_height, Byte[] bmp_data, int bmp_width,
int bmp_height, double scale, bool flipy)
@@ -1417,6 +1454,8 @@ namespace gsview
}
code = tc_mRenderPageMT(mu_object, dlist, annot_dlist, page_width,
page_height, bmp_data, bmp_width, bmp_height, scale, flipy);
+ /* We are done with the display lists */
+ tc_mReleaseLists(mu_object, dlist, annot_dlist);
}
else
{
diff --git a/platform/windows/mupdfnet/mupdfnet.cpp b/platform/windows/mupdfnet/mupdfnet.cpp
index 6a59aec9..854d40c5 100644
--- a/platform/windows/mupdfnet/mupdfnet.cpp
+++ b/platform/windows/mupdfnet/mupdfnet.cpp
@@ -287,6 +287,14 @@ SYMBOL_DECLSPEC void* __stdcall mCreateDisplayListText(void *ctx, int page_num,
return text_ptr;
}
+SYMBOL_DECLSPEC void __stdcall mReleaseLists(void *ctx, void *dlist,
+ void *annot_dlist)
+{
+ muctx *mu_ctx = static_cast<muctx*>(ctx);
+ mu_ctx->ReleaseDisplayLists(dlist, annot_dlist);
+ return;
+}
+
SYMBOL_DECLSPEC int __stdcall mRenderPageMT(void *ctx, void *dlist,
void *annot_dlist, int page_width, int page_height, byte *bmp_data, int bmp_width,
int bmp_height, double scale, bool flipy)
diff --git a/platform/windows/mupdfnet/mupdfnet.h b/platform/windows/mupdfnet/mupdfnet.h
index 99d23062..44a4382b 100644
--- a/platform/windows/mupdfnet/mupdfnet.h
+++ b/platform/windows/mupdfnet/mupdfnet.h
@@ -50,6 +50,8 @@ EXTERN_C SYMBOL_DECLSPEC void* __stdcall mCreateDisplayListText(void *ctx, int p
int *page_width, int *page_height, void **textptr, int *length);
EXTERN_C SYMBOL_DECLSPEC void* __stdcall mCreateDisplayListAnnot(void *ctx,
int page_num);
+EXTERN_C SYMBOL_DECLSPEC void __stdcall mReleaseLists(void *ctx, void *dlist,
+ void *annot_dlist);
EXTERN_C SYMBOL_DECLSPEC int __stdcall mRenderPageMT(void *ctx, void *dlist,
void *annot_dlist, int page_width, int page_height, byte *bmp_data, int bmp_width,
diff --git a/platform/windows/mupdfwinrt/Cache.cpp b/platform/windows/mupdfwinrt/Cache.cpp
index d2567bc2..d5108a7c 100644
--- a/platform/windows/mupdfwinrt/Cache.cpp
+++ b/platform/windows/mupdfwinrt/Cache.cpp
@@ -48,7 +48,10 @@ void Cache::Add(int value, int width_in, int height_in, fz_display_list *dlist,
tail = prev_entry;
- /* Decrement the caches rc of this list */
+ /* Decrement the caches rc of this list. It is gone from cache but
+ may still be in use by other threads, when threads are done they
+ should decrement and it should be freed at that time. See
+ ReleaseDisplayLists in muctx class */
fz_drop_display_list(mu_ctx, curr_entry->dlist);
delete curr_entry;
size--;
@@ -75,6 +78,8 @@ void Cache::Add(int value, int width_in, int height_in, fz_display_list *dlist,
head = new_entry;
}
size++;
+ /* Everytime we add an entry, we are also using it. Increment rc. See above */
+ fz_keep_display_list(mu_ctx, dlist);
}
fz_display_list* Cache::Use(int value, int *width_out, int *height_out, fz_context *mu_ctx)
@@ -109,6 +114,9 @@ fz_display_list* Cache::Use(int value, int *width_out, int *height_out, fz_conte
}
*width_out = curr_entry->width;
*height_out = curr_entry->height;
+ /* We must increment our reference to this one to ensure it is not
+ freed when removed from the cache. See above comments */
+ fz_keep_display_list(mu_ctx, curr_entry->dlist);
return curr_entry->dlist;
}
else
diff --git a/platform/windows/mupdfwinrt/muctx.cpp b/platform/windows/mupdfwinrt/muctx.cpp
index fbcb01f3..e51ea403 100644
--- a/platform/windows/mupdfwinrt/muctx.cpp
+++ b/platform/windows/mupdfwinrt/muctx.cpp
@@ -531,6 +531,21 @@ fz_display_list * muctx::CreateDisplayList(int page_num, int *width, int *height
return dlist;
}
+void muctx::ReleaseDisplayLists(void *opdlist, void *opannotlist)
+{
+ fz_display_list *dlist = (fz_display_list*) opdlist;
+ fz_display_list *annotlist = (fz_display_list*) opannotlist;
+
+ if (dlist != NULL)
+ {
+ fz_drop_display_list(mu_ctx, dlist);
+ }
+ if (annotlist != NULL)
+ {
+ fz_drop_display_list(mu_ctx, annotlist);
+ }
+}
+
/* A special version which will create the display list AND get the information
that we need for various text selection tasks */
fz_display_list * muctx::CreateDisplayListText(int page_num, int *width, int *height,
diff --git a/platform/windows/mupdfwinrt/muctx.h b/platform/windows/mupdfwinrt/muctx.h
index 16c44cd1..5b870543 100644
--- a/platform/windows/mupdfwinrt/muctx.h
+++ b/platform/windows/mupdfwinrt/muctx.h
@@ -101,6 +101,7 @@ public:
fz_display_list * CreateDisplayListText(int page_num, int *width,
int *height, fz_text_page **text, int *length);
fz_display_list * CreateAnnotationList(int page_num);
+ void ReleaseDisplayLists(void *dlist, void *annotlist);
int MeasurePage(int page_num, point_t *size);
point_t MeasurePage(fz_page *page);
unsigned int GetLinks(int page_num, sh_vector_link links_vec);
diff --git a/platform/windows/mupdfwinrt/mudocument.cpp b/platform/windows/mupdfwinrt/mudocument.cpp
index 060144b3..29df67c3 100644
--- a/platform/windows/mupdfwinrt/mudocument.cpp
+++ b/platform/windows/mupdfwinrt/mudocument.cpp
@@ -217,6 +217,8 @@ int mudocument::RenderPageBitmapSync(int page_num, int bmp_width, int bmp_height
&(bmp_data[0]), bmp_width, bmp_height,
scale, flipy, tile, { top_left.X, top_left.Y },
{ bottom_right.X, bottom_right.Y });
+ /* Done with lists */
+ mu_object.ReleaseDisplayLists(dlist, annotlist);
}
else
{
@@ -290,7 +292,9 @@ Windows::Foundation::IAsyncOperation<InMemoryRandomAccessStream^>^
&(bmp_data[0]), bmp_width, bmp_height,
scale, true, false, { 0.0, 0.0 },
{ (float) bmp_width, (float) bmp_height });
- }
+ /* Done with lists */
+ mu_object.ReleaseDisplayLists(dlist, annotlist);
+ }
else
{
/* Rendering in immediate mode. Keep lock in place */
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-22 18:13:08 +0000