static void DoApply( ImageActor actor, const std::string& maskImage, const Vector2& maskSize, Vector4 maskBorder )
{
const char* ALPHA_MASK_VERTEX_SHADER_SOURCE =
"uniform vec2 uImageSize; \n"
"uniform vec2 uMaskSize; \n"
"varying vec2 vMaskTexCoord; \n"
" \n"
"void main() \n"
"{ \n"
" gl_Position = uMvpMatrix * vec4(aPosition, 1.0); \n"
" \n"
" // Ignore mask UVs for image \n"
" \n"
" highp vec2 halfImageSize = uImageSize * 0.5; \n"
" vTexCoord = (aPosition.xy + halfImageSize) / uImageSize; \n"
" \n"
" // UVs were calculated for image size, so convert for mask size \n"
" \n"
" highp vec2 halfMaskSize = uMaskSize * 0.5; \n"
" highp vec2 halfSizeDelta = halfImageSize - halfMaskSize; \n"
" \n"
" highp vec2 maskPosition = aPosition.xy; \n"
" maskPosition.x -= halfSizeDelta.x * sign(aPosition.x); \n"
" maskPosition.y -= halfSizeDelta.y * sign(aPosition.y); \n"
" \n"
" vMaskTexCoord = (maskPosition + halfMaskSize) / uMaskSize; \n"
"} \n";
const char* ALPHA_MASK_FRAGMENT_SHADER_SOURCE =
"varying vec2 vMaskTexCoord; \n"
" \n"
"void main() \n"
"{ \n"
" highp vec4 mask = texture2D(sEffect, vMaskTexCoord); \n"
" gl_FragColor = texture2D(sTexture, vTexCoord) * uColor * vec4(1,1,1,mask.a); \n"
"} \n";
ShaderEffect maskEffect = ShaderEffect::New( ALPHA_MASK_VERTEX_SHADER_SOURCE,
ALPHA_MASK_FRAGMENT_SHADER_SOURCE,
GeometryType( GEOMETRY_TYPE_IMAGE ),
ShaderEffect::GeometryHints( ShaderEffect::HINT_BLENDING ) );
maskEffect.SetEffectImage( Image::New( maskImage ) );
maskEffect.SetUniform( "uImageSize", Vector2(0,0) /*Constrained to actor size*/ );
maskEffect.ApplyConstraint( Constraint::New<Vector2>( maskEffect.GetPropertyIndex("uImageSize"),
Source(actor, Actor::SIZE),
NinePatchMaskEffectSizeConstraint() ) );
maskEffect.SetUniform( "uMaskSize", maskSize );
// Actor must provide nine-patch style geometry for this effect to work
actor.SetStyle( ImageActor::STYLE_NINE_PATCH );
actor.SetNinePatchBorder( maskBorder );
actor.SetShaderEffect( maskEffect );
}
void KeyboardFocusManager::CreateDefaultFocusIndicatorActor()
{
// Create a focus indicator actor shared by all the keyboard focusable actors
Image borderImage = ResourceImage::New(FOCUS_BORDER_IMAGE_PATH);
ImageActor focusIndicator = ImageActor::New(borderImage);
focusIndicator.SetPositionInheritanceMode( Dali::USE_PARENT_POSITION_PLUS_LOCAL_POSITION );
focusIndicator.SetStyle( ImageActor::STYLE_NINE_PATCH );
focusIndicator.SetNinePatchBorder(FOCUS_BORDER_IMAGE_BORDER);
focusIndicator.SetPosition(Vector3(0.0f, 0.0f, 1.0f));
// Apply size constraint to the focus indicator
focusIndicator.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
SetFocusIndicatorActor(focusIndicator);
}
int UtcDaliImageSetNinePatchBorder(void)
{
TestApplication application;
Image image = Image::New(TestImageFilename);
ImageActor actor = ImageActor::New(image);
actor.SetStyle(ImageActor::STYLE_NINE_PATCH);
actor.SetNinePatchBorder(Vector4( 1.0f, 2.0f, 3.0f, 4.0f));
DALI_TEST_EQUALS( 1.0f, actor.GetNinePatchBorder().x, TEST_LOCATION );
DALI_TEST_EQUALS( 2.0f, actor.GetNinePatchBorder().y, TEST_LOCATION );
DALI_TEST_EQUALS( 3.0f, actor.GetNinePatchBorder().z, TEST_LOCATION );
DALI_TEST_EQUALS( 4.0f, actor.GetNinePatchBorder().w, TEST_LOCATION );
END_TEST;
}
int UtcDaliImageActor9Patch(void)
{
TestApplication application;
tet_infoline("Positive test for Dali::ImageActor:: 9 patch api");
Image image = Image::New(TestImageFilename);
ImageActor actor = ImageActor::New(image);
actor.SetStyle(ImageActor::STYLE_NINE_PATCH);
Vector4 border(0.1,0.2,0.3,0.4);
actor.SetNinePatchBorder(border);
DALI_TEST_EQUALS( 0.1f, actor.GetNinePatchBorder().x, TEST_LOCATION );
DALI_TEST_EQUALS( 0.2f, actor.GetNinePatchBorder().y, TEST_LOCATION );
DALI_TEST_EQUALS( 0.3f, actor.GetNinePatchBorder().z, TEST_LOCATION );
DALI_TEST_EQUALS( 0.4f, actor.GetNinePatchBorder().w, TEST_LOCATION );
END_TEST;
}
void Magnifier::SetFrameVisibility(bool visible)
{
if(visible && !mFrameLayer)
{
Actor self(Self());
Layer mFrameLayer = Layer::New();
mFrameLayer.SetParentOrigin( ParentOrigin::CENTER );
Stage::GetCurrent().Add(mFrameLayer);
Image image = Image::New( DEFAULT_FRAME_IMAGE_PATH );
ImageActor frame = ImageActor::New( image );
frame.SetDrawMode(DrawMode::OVERLAY);
frame.SetStyle( ImageActor::STYLE_NINE_PATCH );
frame.SetNinePatchBorder( Vector4::ONE * IMAGE_BORDER_INDENT );
mFrameLayer.Add(frame);
// Apply position constraint to the frame
Constraint constraint = Constraint::New<Vector3>( Actor::POSITION,
Source( self, Actor::WORLD_POSITION ),
EqualToConstraint() );
frame.ApplyConstraint(constraint);
// Apply scale constraint to the frame
constraint = Constraint::New<Vector3>( Actor::SCALE,
Source( self, Actor::SCALE ),
EqualToConstraint() );
frame.ApplyConstraint(constraint);
Source(self, Actor::SCALE),
// Apply size constraint to the the frame
constraint = Constraint::New<Vector3>(Actor::SIZE,
Source(self, Actor::SIZE),
ImageBorderSizeConstraint());
frame.ApplyConstraint(constraint);
}
else if(!visible && mFrameLayer)
{
Stage::GetCurrent().Remove(mFrameLayer);
mFrameLayer.Reset();
}
}
ImageActor CreateSolidColorActor( const Vector4& color, bool border, const Vector4& borderColor, const unsigned int borderSize )
{
ImageActor image;
if( borderSize > MAX_BORDER_SIZE )
{
return image;
}
const unsigned int bitmapWidth = borderSize * 2 + 2;
bool needAlphaChannel = (color.a < 1.0f) || ( border && borderColor.a < 1.0f );
BufferImage imageData;
if( needAlphaChannel )
{
imageData = BufferImage::New( bitmapWidth, bitmapWidth, Pixel::RGBA8888 );
}
else
{
imageData = BufferImage::New( bitmapWidth, bitmapWidth, Pixel::RGB888 );
}
// Create the image
PixelBuffer* pixbuf = imageData.GetBuffer();
if( !pixbuf )
{
return image;
}
Vector4 outerColor = color;
if ( border )
{
outerColor = borderColor;
}
// Using a (2 + border) x (2 + border) image gives a better blend with the GL implementation
// than a (1 + border) x (1 + border) image
const unsigned int bitmapSize = bitmapWidth * bitmapWidth;
const unsigned int topLeft = bitmapWidth * borderSize + borderSize;
const unsigned int topRight = topLeft + 1;
const unsigned int bottomLeft = bitmapWidth * (borderSize + 1) + borderSize;
const unsigned int bottomRight = bottomLeft + 1;
if( needAlphaChannel )
{
for( size_t i = 0; i < bitmapSize; ++i )
{
if( i == topLeft ||
i == topRight ||
i == bottomLeft ||
i == bottomRight )
{
pixbuf[i*4+0] = 0xFF * color.r;
pixbuf[i*4+1] = 0xFF * color.g;
pixbuf[i*4+2] = 0xFF * color.b;
pixbuf[i*4+3] = 0xFF * color.a;
}
else
{
pixbuf[i*4+0] = 0xFF * outerColor.r;
pixbuf[i*4+1] = 0xFF * outerColor.g;
pixbuf[i*4+2] = 0xFF * outerColor.b;
pixbuf[i*4+3] = 0xFF * outerColor.a;
}
}
}
else
{
for( size_t i = 0; i < bitmapSize; ++i )
{
if( i == topLeft ||
i == topRight ||
i == bottomLeft ||
i == bottomRight )
{
pixbuf[i*3+0] = 0xFF * color.r;
pixbuf[i*3+1] = 0xFF * color.g;
pixbuf[i*3+2] = 0xFF * color.b;
}
else
{
pixbuf[i*3+0] = 0xFF * outerColor.r;
pixbuf[i*3+1] = 0xFF * outerColor.g;
pixbuf[i*3+2] = 0xFF * outerColor.b;
}
}
}
imageData.Update();
image = ImageActor::New( imageData );
image.SetParentOrigin( ParentOrigin::CENTER );
if( border )
{
image.SetStyle( ImageActor::STYLE_NINE_PATCH );
image.SetNinePatchBorder( Vector4::ONE * (float)borderSize * 2.0f );
}
return image;
}