1 files changed, 3 insertions, 25 deletions

diff --git a/src/drv/cdirgb.c b/src/drv/cdirgb.c
index d9dd6a8..fa45f97 100644
--- a/src/drv/cdirgb.c
+++ b/src/drv/cdirgb.c
@@ -1908,7 +1908,7 @@ static void cdcreatecanvasDB(cdCanvas* canvas, cdCanvas* canvas_dbuffer)
 {
   char rgbdata[100];
   sprintf(rgbdata, "%dx%d -r%g", canvas_dbuffer->w, canvas_dbuffer->h, canvas_dbuffer->xres);
-  cdcreatecanvas(canvas, rgbdata);
+  cdcreatecanvas(canvas, rgbdata);  /* the double buffer image will be internally allocated as the canvas RGB image itself */
   if (canvas->ctxcanvas)
     canvas->ctxcanvas->canvas_dbuffer = canvas_dbuffer;
 }
@@ -1941,34 +1941,12 @@ static int cdactivateDB(cdCtxCanvas *ctxcanvas)
     }
 
     /* remove the old image and canvas */
-    cdkillcanvas(old_ctxcanvas);
+    cdkillcanvas(old_ctxcanvas);  /* the double buffer image is the canvas itself */
 
     ctxcanvas = canvas->ctxcanvas;
 
     /* update canvas attributes */
-    if (canvas->cxBackground) canvas->cxBackground(ctxcanvas, canvas->background);
-    if (canvas->cxForeground) canvas->cxForeground(ctxcanvas, canvas->foreground);
-    if (canvas->cxBackOpacity) canvas->cxBackOpacity(ctxcanvas, canvas->back_opacity);
-    if (canvas->cxWriteMode) canvas->cxWriteMode(ctxcanvas, canvas->write_mode);
-    if (canvas->cxLineStyle) canvas->cxLineStyle(ctxcanvas, canvas->line_style);
-    if (canvas->cxLineWidth) canvas->cxLineWidth(ctxcanvas, canvas->line_width);
-    if (canvas->cxLineCap) canvas->cxLineCap(ctxcanvas, canvas->line_cap);
-    if (canvas->cxLineJoin) canvas->cxLineJoin(ctxcanvas, canvas->line_join);
-    if (canvas->cxHatch) canvas->cxHatch(ctxcanvas, canvas->hatch_style);
-    if (canvas->stipple && canvas->cxStipple) canvas->cxStipple(ctxcanvas, canvas->stipple_w, canvas->stipple_h, canvas->stipple);
-    if (canvas->pattern && canvas->cxPattern) canvas->cxPattern(ctxcanvas, canvas->pattern_w, canvas->pattern_h, canvas->pattern);
-    if (canvas->cxInteriorStyle) canvas->cxInteriorStyle(ctxcanvas, canvas->interior_style);
-    if (canvas->native_font[0] && canvas->cxNativeFont)
-      canvas->cxNativeFont(ctxcanvas, canvas->native_font);
-    else if (canvas->cxFont) canvas->cxFont(ctxcanvas, canvas->font_type_face, canvas->font_style, canvas->font_size);
-    if (canvas->cxTextAlignment) canvas->cxTextAlignment(ctxcanvas, canvas->text_alignment);
-    if (canvas->cxTextOrientation) canvas->cxTextOrientation(ctxcanvas, canvas->text_orientation);
-    if (canvas->use_matrix && canvas->cxTransform) canvas->cxTransform(ctxcanvas, canvas->matrix);
-    if (canvas->clip_mode == CD_CLIPAREA && canvas->cxClipArea) canvas->cxClipArea(ctxcanvas, canvas->clip_rect.xmin, canvas->clip_rect.xmax, canvas->clip_rect.ymin, canvas->clip_rect.ymax);
-    if (canvas->clip_mode == CD_CLIPAREA && canvas->cxFClipArea) canvas->cxFClipArea(ctxcanvas, canvas->clip_frect.xmin, canvas->clip_frect.xmax, canvas->clip_frect.ymin, canvas->clip_frect.ymax);
-    if (canvas->clip_mode == CD_CLIPPOLYGON && canvas->clip_poly) canvas->cxPoly(ctxcanvas, CD_CLIP, canvas->clip_poly, canvas->clip_poly_n);
-    if (canvas->clip_mode == CD_CLIPPOLYGON && canvas->clip_fpoly) canvas->cxFPoly(ctxcanvas, CD_CLIP, canvas->clip_fpoly, canvas->clip_poly_n);
-    if (canvas->clip_mode != CD_CLIPOFF && canvas->cxClip) canvas->cxClip(ctxcanvas, canvas->clip_mode);
+    cdUpdateAttributes(canvas);
   }
 
   return CD_OK;