Bug 381622 - complete cairo removal from svg. r+sr=roc

git-svn-id: svn://10.0.0.236/trunk@226878 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/content/svg/content/src/Makefile.in

@@ -168,9 +168,6 @@ EXPORTS =  			\
 
 include $(topsrcdir)/config/rules.mk
 
-CFLAGS		+= $(MOZ_CAIRO_CFLAGS)
-CXXFLAGS	+= $(MOZ_CAIRO_CFLAGS)
-
 INCLUDES += 	\
 		-I$(srcdir)/../../../shared/public \
 		-I$(srcdir)/../../../html/base/src \

mozilla/layout/svg/base/src/Makefile.in

@@ -112,9 +112,6 @@ EXPORTS = \
 
 include $(topsrcdir)/config/rules.mk
 
-CFLAGS		+= $(MOZ_CAIRO_CFLAGS)
-CXXFLAGS	+= $(MOZ_CAIRO_CFLAGS)
-
 LOCAL_INCLUDES	= \
 		-I$(srcdir)/../../../base \
 		-I$(srcdir)/../../../generic \

mozilla/layout/svg/base/src/nsSVGImageFrame.cpp

@@ -46,7 +46,6 @@
 #include "nsSVGElement.h"
 #include "nsSVGUtils.h"
 #include "nsSVGMatrix.h"
-#include "cairo.h"
 #include "gfxContext.h"
 #include "nsIInterfaceRequestorUtils.h"
 #include "nsThebesImage.h"

mozilla/layout/svg/base/src/nsSVGUtils.cpp

@@ -73,7 +73,6 @@
 #include "nsAttrValue.h"
 #include "nsSVGGeometryFrame.h"
 #include "nsIScriptError.h"
-#include "cairo.h"
 #include "gfxContext.h"
 #include "gfxMatrix.h"
 #include "gfxRect.h"
@@ -352,7 +351,6 @@ nsSVGMaskProperty::ParentChainChanged(nsIContent *aContent)
   mFrame->DeleteProperty(nsGkAtoms::mask);
 }
 
-cairo_surface_t *nsSVGUtils::mCairoComputationalSurface = nsnull;
 gfxASurface     *nsSVGUtils::mThebesComputationalSurface = nsnull;
 
 // c = n / 255
@@ -1257,16 +1255,6 @@ nsSVGUtils::ToBoundingPixelRect(const gfxRect& rect)
                 nscoord(ceil(rect.YMost()) - floor(rect.Y())));
 }
 
-cairo_surface_t *
-nsSVGUtils::GetCairoComputationalSurface()
-{
-  if (!mCairoComputationalSurface)
-    mCairoComputationalSurface =
-      cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 1, 1);
-
-  return mCairoComputationalSurface;
-}
-
 gfxASurface *
 nsSVGUtils::GetThebesComputationalSurface()
 {
@@ -1282,20 +1270,6 @@ nsSVGUtils::GetThebesComputationalSurface()
   return mThebesComputationalSurface;
 }
 
-cairo_matrix_t
-nsSVGUtils::ConvertSVGMatrixToCairo(nsIDOMSVGMatrix *aMatrix)
-{
-  float A, B, C, D, E, F;
-  aMatrix->GetA(&A);
-  aMatrix->GetB(&B);
-  aMatrix->GetC(&C);
-  aMatrix->GetD(&D);
-  aMatrix->GetE(&E);
-  aMatrix->GetF(&F);
-  cairo_matrix_t m = { A, B, C, D, E, F };
-  return m;
-}
-
 gfxMatrix
 nsSVGUtils::ConvertSVGMatrixToThebes(nsIDOMSVGMatrix *aMatrix)
 {
@@ -1317,50 +1291,20 @@ nsSVGUtils::HitTestRect(nsIDOMSVGMatrix *aMatrix,
   PRBool result = PR_TRUE;
 
   if (aMatrix) {
-    cairo_matrix_t matrix = ConvertSVGMatrixToCairo(aMatrix);
-    cairo_t *ctx = cairo_create(GetCairoComputationalSurface());
-    if (cairo_status(ctx) != CAIRO_STATUS_SUCCESS) {
-      cairo_destroy(ctx);
-      return PR_FALSE;
-    }
-    cairo_set_tolerance(ctx, 1.0);
+    gfxContext ctx(GetThebesComputationalSurface());
+    ctx.SetMatrix(ConvertSVGMatrixToThebes(aMatrix));
 
-    cairo_set_matrix(ctx, &matrix);
-    cairo_new_path(ctx);
-    cairo_rectangle(ctx, aRX, aRY, aRWidth, aRHeight);
-    cairo_identity_matrix(ctx);
+    ctx.NewPath();
+    ctx.Rectangle(gfxRect(aRX, aRY, aRWidth, aRHeight));
+    ctx.IdentityMatrix();
 
-    if (!cairo_in_fill(ctx, aX, aY))
+    if (!ctx.PointInFill(gfxPoint(aX, aY)))
       result = PR_FALSE;
-
-    cairo_destroy(ctx);
   }
 
   return result;
 }
 
-void
-nsSVGUtils::UserToDeviceBBox(cairo_t *ctx,
-                             double *xmin, double *ymin,
-                             double *xmax, double *ymax)
-{
-  double x[3], y[3];
-  x[0] = *xmin;  y[0] = *ymax;
-  x[1] = *xmax;  y[1] = *ymax;
-  x[2] = *xmax;  y[2] = *ymin;
-
-  cairo_user_to_device(ctx, xmin, ymin);
-  *xmax = *xmin;
-  *ymax = *ymin;
-  for (int i = 0; i < 3; i++) {
-    cairo_user_to_device(ctx, &x[i], &y[i]);
-    *xmin = PR_MIN(*xmin, x[i]);
-    *xmax = PR_MAX(*xmax, x[i]);
-    *ymin = PR_MIN(*ymin, y[i]);
-    *ymax = PR_MAX(*ymax, y[i]);
-  }
-}
-
 void
 nsSVGUtils::CompositeSurfaceMatrix(gfxContext *aContext,
                                    gfxASurface *aSurface,

mozilla/layout/svg/base/src/nsSVGUtils.h

@@ -45,7 +45,6 @@
 #include "nsCOMPtr.h"
 #include "nsISVGValue.h"
 #include "nsRect.h"
-#include "cairo.h"
 
 class nsIDocument;
 class nsPresContext;
@@ -305,20 +304,12 @@ public:
   ToBoundingPixelRect(const gfxRect& rect);
 
   /*
-   * Get a pointer to a surface that can be used to create cairo
+   * Get a pointer to a surface that can be used to create thebes
    * contexts for various measurement purposes.
    */
-  static cairo_surface_t *
-  GetCairoComputationalSurface();
   static gfxASurface *
   GetThebesComputationalSurface();
 
-  /*
-   * Convert a nsIDOMSVGMatrix to a cairo_matrix_t.
-   */
-  static cairo_matrix_t
-  ConvertSVGMatrixToCairo(nsIDOMSVGMatrix *aMatrix);
-
   /*
    * Convert a nsIDOMSVGMatrix to a gfxMatrix.
    */
@@ -333,13 +324,6 @@ public:
               float aRX, float aRY, float aRWidth, float aRHeight,
               float aX, float aY);
 
-  /*
-   * Convert a rectangle from cairo user space to device space.
-   */
-  static void
-  UserToDeviceBBox(cairo_t *ctx,
-                   double *xmin, double *ymin,
-                   double *xmax, double *ymax);
 
   static void CompositeSurfaceMatrix(gfxContext *aContext,
                                      gfxASurface *aSurface,
@@ -359,7 +343,6 @@ public:
 
 private:
   /* Computational (nil) surfaces */
-  static cairo_surface_t *mCairoComputationalSurface;
   static gfxASurface *mThebesComputationalSurface;
 };