libui: add parameter to uiDrawBitmapDraw() to specify filtering

3 files changed, 5 insertions, 5 deletions

diff --git a/src/libui_sdl/libui/ui.h b/src/libui_sdl/libui/ui.h
index 908574d..f9923f8 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);
+_UI_EXTERN void uiDrawBitmapDraw(uiDrawContext* c, uiDrawBitmap* bmp, uiRect* srcrect, uiRect* dstrect, bool 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 cbdffea..cf5ce7c 100644
--- a/src/libui_sdl/libui/unix/draw.c
+++ b/src/libui_sdl/libui/unix/draw.c
@@ -185,10 +185,9 @@ void uiDrawBitmapUpdate(uiDrawBitmap* bmp, const void* data)
     cairo_surface_mark_dirty(bmp->bmp);
 }
 
-void uiDrawBitmapDraw(uiDrawContext* c, uiDrawBitmap* bmp, uiRect* srcrect, uiRect* dstrect)
+void uiDrawBitmapDraw(uiDrawContext* c, uiDrawBitmap* bmp, uiRect* srcrect, uiRect* dstrect, bool filter)
 {
     cairo_save(c->cr);
-    
     cairo_rectangle(c->cr, dstrect->X, dstrect->Y, dstrect->Width, dstrect->Height);
     
     cairo_translate(c->cr, dstrect->X, dstrect->Y);
@@ -201,6 +200,7 @@ void uiDrawBitmapDraw(uiDrawContext* c, uiDrawBitmap* bmp, uiRect* srcrect, uiRe
     }
     
     cairo_set_source_surface(c->cr, bmp->bmp, -srcrect->X, -srcrect->Y);
+    cairo_pattern_set_filter(cairo_get_source(c->cr), filter ? CAIRO_FILTER_BILINEAR : CAIRO_FILTER_NEAREST);
     cairo_clip(c->cr);
     cairo_paint(c->cr);
     
diff --git a/src/libui_sdl/libui/windows/draw.cpp b/src/libui_sdl/libui/windows/draw.cpp
index 84b43c5..5294e55 100644
--- a/src/libui_sdl/libui/windows/draw.cpp
+++ b/src/libui_sdl/libui/windows/draw.cpp
@@ -555,12 +555,12 @@ void uiDrawBitmapUpdate(uiDrawBitmap* bmp, const void* data)
     bmp->bmp->CopyFromMemory(&rekt, data, bmp->Stride);
 }
 
-void uiDrawBitmapDraw(uiDrawContext* c, uiDrawBitmap* bmp, uiRect* srcrect, uiRect* dstrect)
+void uiDrawBitmapDraw(uiDrawContext* c, uiDrawBitmap* bmp, uiRect* srcrect, uiRect* dstrect, bool 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);
 
-    c->rt->DrawBitmap(bmp->bmp, &_dstrect, 1.0f, D2D1_BITMAP_INTERPOLATION_MODE_LINEAR, &_srcrect);
+    c->rt->DrawBitmap(bmp->bmp, &_dstrect, 1.0f, filter ? D2D1_BITMAP_INTERPOLATION_MODE_LINEAR : D2D1_BITMAP_INTERPOLATION_MODE_NEAREST_NEIGHBOR, &_srcrect);
 }
 
 void uiDrawFreeBitmap(uiDrawBitmap* bmp)