SkMagnifierImageFilter.cpp File Reference

#include "include/effects/SkImageFilters.h"
#include "include/core/SkFlattenable.h"
#include "include/core/SkImageFilter.h"
#include "include/core/SkM44.h"
#include "include/core/SkMatrix.h"
#include "include/core/SkPoint.h"
#include "include/core/SkRect.h"
#include "include/core/SkRefCnt.h"
#include "include/core/SkSamplingOptions.h"
#include "include/core/SkScalar.h"
#include "include/core/SkShader.h"
#include "include/core/SkSize.h"
#include "include/core/SkSpan.h"
#include "include/core/SkTypes.h"
#include "include/effects/SkRuntimeEffect.h"
#include "include/private/base/SkFloatingPoint.h"
#include "src/core/SkImageFilterTypes.h"
#include "src/core/SkImageFilter_Base.h"
#include "src/core/SkKnownRuntimeEffects.h"
#include "src/core/SkPicturePriv.h"
#include "src/core/SkReadBuffer.h"
#include "src/core/SkWriteBuffer.h"
#include <algorithm>
#include <optional>
#include <utility>

Go to the source code of this file.

Functions
void	SkRegisterMagnifierImageFilterFlattenable ()
static sk_sp< SkShader >	make_magnifier_shader (sk_sp< SkShader > input, const skif::LayerSpace< SkRect > &lensBounds, const skif::LayerSpace< SkMatrix > &zoomXform, const skif::LayerSpace< SkSize > &inset)

Function Documentation

make_magnifier_shader()

static sk_sp< SkShader > make_magnifier_shader ( sk_sp< SkShader >  input, const skif::LayerSpace< SkRect > &  lensBounds, const skif::LayerSpace< SkMatrix > &  zoomXform, const skif::LayerSpace< SkSize > &  inset  )

static

Definition at line 142 of file SkMagnifierImageFilter.cpp.

                                             {
    const SkRuntimeEffect* magEffect =
            GetKnownRuntimeEffect(SkKnownRuntimeEffects::StableKey::kMagnifier);
 
    SkRuntimeShaderBuilder builder(sk_ref_sp(magEffect));
    builder.child("src") = std::move(input);
 
    SkASSERT(inset.width() > 0.f && inset.height() > 0.f);
    builder.uniform("lensBounds") = SkRect(lensBounds);
    builder.uniform("zoomXform") = SkV4{/*Tx*/zoomXform.rc(0, 2), /*Ty*/zoomXform.rc(1, 2),
                                        /*Sx*/zoomXform.rc(0, 0), /*Sy*/zoomXform.rc(1, 1)};
    builder.uniform("invInset") = SkV2{1.f / inset.width(),
                                       1.f / inset.height()};
 
    return builder.makeShader();
}

SkRegisterMagnifierImageFilterFlattenable()

void SkRegisterMagnifierImageFilterFlattenable

(

)

Definition at line 110 of file SkMagnifierImageFilter.cpp.

                                                 {
    SK_REGISTER_FLATTENABLE(SkMagnifierImageFilter);
}