From e4f030149b07228a06c6e05a7f0b0e19399d4427 Mon Sep 17 00:00:00 2001
From: StapleButter <thetotalworm@gmail.com>
Date: Thu, 7 Dec 2017 02:50:05 +0100
Subject: [PATCH] add option to toggle filtering

---
 src/Config.cpp                       |  2 ++
 src/Config.h                         |  1 +
 src/libui_sdl/libui/ui.h             |  2 +-
 src/libui_sdl/libui/unix/draw.c      |  2 +-
 src/libui_sdl/libui/windows/draw.cpp |  2 +-
 src/libui_sdl/main.cpp               | 14 ++++++++++++--
 6 files changed, 18 insertions(+), 5 deletions(-)

diff --git a/src/Config.cpp b/src/Config.cpp
index 213f03de..dfa4416c 100644
--- a/src/Config.cpp
+++ b/src/Config.cpp
@@ -35,6 +35,7 @@ int ScreenRotation;
 int ScreenGap;
 int ScreenLayout;
 int ScreenSizing;
+int ScreenFilter;
 
 int DirectBoot;
 
@@ -88,6 +89,7 @@ ConfigEntry ConfigFile[] =
     {"ScreenGap",      0, &ScreenGap,      0, NULL, 0},
     {"ScreenLayout",   0, &ScreenLayout,   0, NULL, 0},
     {"ScreenSizing",   0, &ScreenSizing,   0, NULL, 0},
+    {"ScreenFilter",   0, &ScreenFilter,   1, NULL, 0},
 
     {"DirectBoot", 0, &DirectBoot, 1, NULL, 0},
 
diff --git a/src/Config.h b/src/Config.h
index c40fa67a..b3d9d64d 100644
--- a/src/Config.h
+++ b/src/Config.h
@@ -37,6 +37,7 @@ extern int ScreenRotation;
 extern int ScreenGap;
 extern int ScreenLayout;
 extern int ScreenSizing;
+extern int ScreenFilter;
 
 extern int DirectBoot;
 
diff --git a/src/libui_sdl/libui/ui.h b/src/libui_sdl/libui/ui.h
index f9923f89..e5a866d2 100644
--- a/src/libui_sdl/libui/ui.h
+++ b/src/libui_sdl/libui/ui.h
@@ -505,7 +505,7 @@ _UI_EXTERN void uiDrawRestore(uiDrawContext *c);
 // bitmap API
 _UI_EXTERN uiDrawBitmap* uiDrawNewBitmap(uiDrawContext* c, int width, int height);
 _UI_EXTERN void uiDrawBitmapUpdate(uiDrawBitmap* bmp, const void* data);
-_UI_EXTERN void uiDrawBitmapDraw(uiDrawContext* c, uiDrawBitmap* bmp, uiRect* srcrect, uiRect* dstrect, bool filter);
+_UI_EXTERN void uiDrawBitmapDraw(uiDrawContext* c, uiDrawBitmap* bmp, uiRect* srcrect, uiRect* dstrect, int filter);
 _UI_EXTERN void uiDrawFreeBitmap(uiDrawBitmap* bmp);
 
 // TODO manage the use of Text, Font, and TextFont, and of the uiDrawText prefix in general
diff --git a/src/libui_sdl/libui/unix/draw.c b/src/libui_sdl/libui/unix/draw.c
index cf5ce7c8..72d42029 100644
--- a/src/libui_sdl/libui/unix/draw.c
+++ b/src/libui_sdl/libui/unix/draw.c
@@ -185,7 +185,7 @@ void uiDrawBitmapUpdate(uiDrawBitmap* bmp, const void* data)
     cairo_surface_mark_dirty(bmp->bmp);
 }
 
-void uiDrawBitmapDraw(uiDrawContext* c, uiDrawBitmap* bmp, uiRect* srcrect, uiRect* dstrect, bool filter)
+void uiDrawBitmapDraw(uiDrawContext* c, uiDrawBitmap* bmp, uiRect* srcrect, uiRect* dstrect, int filter)
 {
     cairo_save(c->cr);
     cairo_rectangle(c->cr, dstrect->X, dstrect->Y, dstrect->Width, dstrect->Height);
diff --git a/src/libui_sdl/libui/windows/draw.cpp b/src/libui_sdl/libui/windows/draw.cpp
index 5294e553..65f25354 100644
--- a/src/libui_sdl/libui/windows/draw.cpp
+++ b/src/libui_sdl/libui/windows/draw.cpp
@@ -555,7 +555,7 @@ void uiDrawBitmapUpdate(uiDrawBitmap* bmp, const void* data)
     bmp->bmp->CopyFromMemory(&rekt, data, bmp->Stride);
 }
 
-void uiDrawBitmapDraw(uiDrawContext* c, uiDrawBitmap* bmp, uiRect* srcrect, uiRect* dstrect, bool filter)
+void uiDrawBitmapDraw(uiDrawContext* c, uiDrawBitmap* bmp, uiRect* srcrect, uiRect* dstrect, int filter)
 {
     D2D_RECT_F _srcrect = D2D1::RectF(srcrect->X, srcrect->Y, srcrect->X+srcrect->Width, srcrect->Y+srcrect->Height);
     D2D_RECT_F _dstrect = D2D1::RectF(dstrect->X, dstrect->Y, dstrect->X+dstrect->Width, dstrect->Y+dstrect->Height);
diff --git a/src/libui_sdl/main.cpp b/src/libui_sdl/main.cpp
index d55b864f..841aa9cd 100644
--- a/src/libui_sdl/main.cpp
+++ b/src/libui_sdl/main.cpp
@@ -310,12 +310,12 @@ void OnAreaDraw(uiAreaHandler* handler, uiArea* area, uiAreaDrawParams* params)
 
     uiDrawSave(params->Context);
     uiDrawTransform(params->Context, &TopScreenTrans);
-    uiDrawBitmapDraw(params->Context, ScreenBitmap, &top, &TopScreenRect);
+    uiDrawBitmapDraw(params->Context, ScreenBitmap, &top, &TopScreenRect, Config::ScreenFilter==1);
     uiDrawRestore(params->Context);
 
     uiDrawSave(params->Context);
     uiDrawTransform(params->Context, &BottomScreenTrans);
-    uiDrawBitmapDraw(params->Context, ScreenBitmap, &bot, &BottomScreenRect);
+    uiDrawBitmapDraw(params->Context, ScreenBitmap, &bot, &BottomScreenRect, Config::ScreenFilter==1);
     uiDrawRestore(params->Context);
 }
 
@@ -937,6 +937,13 @@ void OnSetScreenSizing(uiMenuItem* item, uiWindow* window, void* param)
         uiMenuItemSetChecked(MenuItem_ScreenSizing[i], i==ScreenSizing);
 }
 
+void OnSetScreenFiltering(uiMenuItem* item, uiWindow* window, void* blarg)
+{
+    int chk = uiMenuItemChecked(item);
+    if (chk != 0) Config::ScreenFilter = 1;
+    else          Config::ScreenFilter = 0;
+}
+
 
 void ApplyNewSettings()
 {
@@ -1101,6 +1108,9 @@ int main(int argc, char** argv)
 
         uiMenuAppendSubmenu(menu, submenu);
     }
+    menuitem = uiMenuAppendCheckItem(menu, "Screen filtering");
+    uiMenuItemOnClicked(menuitem, OnSetScreenFiltering, NULL);
+    uiMenuItemSetChecked(menuitem, Config::ScreenFilter==1);
 
     uiMenuItemSetChecked(MenuItem_ScreenRot[ScreenRotation], 1);
     uiMenuItemSetChecked(MenuItem_ScreenGap[ScreenGap], 1);