SkDevice.cpp File Reference

#include "src/core/SkDevice.h"
#include "include/core/SkAlphaType.h"
#include "include/core/SkColorPriv.h"
#include "include/core/SkColorSpace.h"
#include "include/core/SkColorType.h"
#include "include/core/SkDrawable.h"
#include "include/core/SkImage.h"
#include "include/core/SkPaint.h"
#include "include/core/SkPath.h"
#include "include/core/SkPathTypes.h"
#include "include/core/SkPixmap.h"
#include "include/core/SkRRect.h"
#include "include/core/SkRSXform.h"
#include "include/core/SkScalar.h"
#include "include/core/SkShader.h"
#include "include/core/SkSpan.h"
#include "include/core/SkSurface.h"
#include "include/core/SkTypes.h"
#include "include/core/SkVertices.h"
#include "include/private/base/SkFloatingPoint.h"
#include "include/private/chromium/Slug.h"
#include "src/core/SkEnumerate.h"
#include "src/core/SkImageFilterTypes.h"
#include "src/core/SkImageFilter_Base.h"
#include "src/core/SkLatticeIter.h"
#include "src/core/SkMatrixPriv.h"
#include "src/core/SkMemset.h"
#include "src/core/SkPathPriv.h"
#include "src/core/SkRectPriv.h"
#include "src/core/SkScalerContext.h"
#include "src/core/SkSpecialImage.h"
#include "src/text/GlyphRun.h"
#include "src/utils/SkPatchUtils.h"
#include <cstdint>

Go to the source code of this file.

Functions
static bool	is_int (float x)
static SkPoint *	quad_to_tris (SkPoint tris[6], const SkPoint quad[4])
static sk_sp< SkShader >	make_post_inverse_lm (const SkShader *shader, const SkMatrix &lm)

Function Documentation

is_int()

static bool is_int ( float  x )

inlinestatic

Definition at line 109 of file SkDevice.cpp.

                                   {
    return x == (float) sk_float_round2int(x);
}

make_post_inverse_lm()

static sk_sp< SkShader > make_post_inverse_lm ( const SkShader *  shader, const SkMatrix &  lm  )

static

Definition at line 401 of file SkDevice.cpp.

                                                                                        {
     SkMatrix inverse_lm;
    if (!shader || !lm.invert(&inverse_lm)) {
        return nullptr;
    }
 
#if defined(SK_BUILD_FOR_ANDROID_FRAMEWORK)  // b/256873449
    // Legacy impl for old concat order. This does not work for arbitrary shader DAGs (when there is
    // no single leaf local matrix).
 
    // LMs pre-compose. In order to push a post local matrix, we peel off any existing local matrix
    // and set a new local matrix of inverse_lm * prev_local_matrix.
    SkMatrix prev_local_matrix;
    const auto nested_shader = as_SB(shader)->makeAsALocalMatrixShader(&prev_local_matrix);
    if (nested_shader) {
        // unfurl the shader
        shader = nested_shader.get();
    }
 
    return shader->makeWithLocalMatrix(inverse_lm * prev_local_matrix);
#endif
 
    return shader->makeWithLocalMatrix(inverse_lm);
}

quad_to_tris()

static SkPoint * quad_to_tris ( SkPoint  tris[6], const SkPoint  quad[4]  )

static

Definition at line 191 of file SkDevice.cpp.

                                                                     {
    tris[0] = quad[0];
    tris[1] = quad[1];
    tris[2] = quad[2];
 
    tris[3] = quad[0];
    tris[4] = quad[2];
    tris[5] = quad[3];
 
    return tris + 6;
}