/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkLiteDL.h"
#include <algorithm>
#include "SkCanvas.h"
#include "SkCanvasPriv.h"
#include "SkData.h"
#include "SkDrawShadowInfo.h"
#include "SkImage.h"
#include "SkImageFilter.h"
#include "SkMath.h"
#include "SkPicture.h"
#include "SkRSXform.h"
#include "SkRegion.h"
#include "SkTextBlob.h"
#include "SkVertices.h"
#ifndef SKLITEDL_PAGE
#define SKLITEDL_PAGE 4096
#endif
// A stand-in for an optional SkRect which was not set, e.g. bounds for a saveLayer().
static const SkRect kUnset = { SK_ScalarInfinity, 0,0,0};
static const SkRect* maybe_unset(const SkRect& r) {
return r.left() == SK_ScalarInfinity ? nullptr : &r;
}
// copy_v(dst, src,n, src,n, ...) copies an arbitrary number of typed srcs into dst.
static void copy_v(void* dst) {}
template <typename S, typename... Rest>
static void copy_v(void* dst, const S* src, int n, Rest&&... rest) {
SkASSERTF(((uintptr_t)dst & (alignof(S)-1)) == 0,
"Expected %p to be aligned for at least %zu bytes.", dst, alignof(S));
sk_careful_memcpy(dst, src, n*sizeof(S));
copy_v(SkTAddOffset<void>(dst, n*sizeof(S)), std::forward<Rest>(rest)...);
}
// Helper for getting back at arrays which have been copy_v'd together after an Op.
template <typename D, typename T>
static const D* pod(const T* op, size_t offset = 0) {
return SkTAddOffset<const D>(op+1, offset);
}
namespace {
#define TYPES(M) \
M(Flush) M(Save) M(Restore) M(SaveLayer) M(SaveBehind) \
M(Concat) M(SetMatrix) M(Translate) \
M(ClipPath) M(ClipRect) M(ClipRRect) M(ClipRegion) \
M(DrawPaint) M(DrawBehind) M(DrawPath) M(DrawRect) M(DrawEdgeAARect) \
M(DrawRegion) M(DrawOval) M(DrawArc) \
M(DrawRRect) M(DrawDRRect) M(DrawAnnotation) M(DrawDrawable) M(DrawPicture) \
M(DrawImage) M(DrawImageNine) M(DrawImageRect) M(DrawImageLattice) M(DrawImageSet) \
M(DrawTextBlob) \
M(DrawPatch) M(DrawPoints) M(DrawVertices) M(DrawAtlas) M(DrawShadowRec)
#define M(T) T,
enum class Type : uint8_t { TYPES(M) };
#undef M
struct Op {
uint32_t type : 8;
uint32_t skip : 24;
};
static_assert(sizeof(Op) == 4, "");
struct Flush final : Op {
static const auto kType = Type::Flush;
void draw(SkCanvas* c, const SkMatrix&) const { c->flush(); }
};
struct Save final : Op {
static const auto kType = Type::Save;
void draw(SkCanvas* c, const SkMatrix&) const { c->save(); }
};
struct Restore final : Op {
static const auto kType = Type::Restore;
void draw(SkCanvas* c, const SkMatrix&) const { c->restore(); }
};
struct SaveLayer final : Op {
static const auto kType = Type::SaveLayer;
SaveLayer(const SkRect* bounds, const SkPaint* paint,
const SkImageFilter* backdrop, const SkImage* clipMask,
const SkMatrix* clipMatrix, SkCanvas::SaveLayerFlags flags) {
if (bounds) { this->bounds = *bounds; }
if (paint) { this->paint = *paint; }
this->backdrop = sk_ref_sp(backdrop);
this->clipMask = sk_ref_sp(clipMask);
this->clipMatrix = clipMatrix ? *clipMatrix : SkMatrix::I();
this->flags = flags;
}
SkRect bounds = kUnset;
SkPaint paint;
sk_sp<const SkImageFilter> backdrop;
sk_sp<const SkImage> clipMask;
SkMatrix clipMatrix;
SkCanvas::SaveLayerFlags flags;
void draw(SkCanvas* c, const SkMatrix&) const {
c->saveLayer({ maybe_unset(bounds), &paint, backdrop.get(), clipMask.get(),
clipMatrix.isIdentity() ? nullptr : &clipMatrix, flags });
}
};
struct SaveBehind final : Op {
static const auto kType = Type::SaveBehind;
SaveBehind(const SkRect* subset) {
if (subset) { this->subset = *subset; }
}
SkRect subset = kUnset;
void draw(SkCanvas* c, const SkMatrix&) const {
SkCanvasPriv::SaveBehind(c, maybe_unset(subset));
}
};
struct Concat final : Op {
static const auto kType = Type::Concat;
Concat(const SkMatrix& matrix) : matrix(matrix) {}
SkMatrix matrix;
void draw(SkCanvas* c, const SkMatrix&) const { c->concat(matrix); }
};
struct SetMatrix final : Op {
static const auto kType = Type::SetMatrix;
SetMatrix(const SkMatrix& matrix) : matrix(matrix) {}
SkMatrix matrix;
void draw(SkCanvas* c, const SkMatrix& original) const {
c->setMatrix(SkMatrix::Concat(original, matrix));
}
};
struct Translate final : Op {
static const auto kType = Type::Translate;
Translate(SkScalar dx, SkScalar dy) : dx(dx), dy(dy) {}
SkScalar dx,dy;
void draw(SkCanvas* c, const SkMatrix&) const {
c->translate(dx, dy);
}
};
struct ClipPath final : Op {
static const auto kType = Type::ClipPath;
ClipPath(const SkPath& path, SkClipOp op, bool aa) : path(path), op(op), aa(aa) {}
SkPath path;
SkClipOp op;
bool aa;
void draw(SkCanvas* c, const SkMatrix&) const { c->clipPath(path, op, aa); }
};
struct ClipRect final : Op {
static const auto kType = Type::ClipRect;
ClipRect(const SkRect& rect, SkClipOp op, bool aa) : rect(rect), op(op), aa(aa) {}
SkRect rect;
SkClipOp op;
bool aa;
void draw(SkCanvas* c, const SkMatrix&) const { c->clipRect(rect, op, aa); }
};
struct ClipRRect final : Op {
static const auto kType = Type::ClipRRect;
ClipRRect(const SkRRect& rrect, SkClipOp op, bool aa) : rrect(rrect), op(op), aa(aa) {}
SkRRect rrect;
SkClipOp op;
bool aa;
void draw(SkCanvas* c, const SkMatrix&) const { c->clipRRect(rrect, op, aa); }
};
struct ClipRegion final : Op {
static const auto kType = Type::ClipRegion;
ClipRegion(const SkRegion& region, SkClipOp op) : region(region), op(op) {}
SkRegion region;
SkClipOp op;
void draw(SkCanvas* c, const SkMatrix&) const { c->clipRegion(region, op); }
};
struct DrawPaint final : Op {
static const auto kType = Type::DrawPaint;
DrawPaint(const SkPaint& paint) : paint(paint) {}
SkPaint paint;
void draw(SkCanvas* c, const SkMatrix&) const { c->drawPaint(paint); }
};
struct DrawBehind final : Op {
static const auto kType = Type::DrawBehind;
DrawBehind(const SkPaint& paint) : paint(paint) {}
SkPaint paint;
void draw(SkCanvas* c, const SkMatrix&) const { SkCanvasPriv::DrawBehind(c, paint); }
};
struct DrawPath final : Op {
static const auto kType = Type::DrawPath;
DrawPath(const SkPath& path, const SkPaint& paint) : path(path), paint(paint) {}
SkPath path;
SkPaint paint;
void draw(SkCanvas* c, const SkMatrix&) const { c->drawPath(path, paint); }
};
struct DrawRect final : Op {
static const auto kType = Type::DrawRect;
DrawRect(const SkRect& rect, const SkPaint& paint) : rect(rect), paint(paint) {}
SkRect rect;
SkPaint paint;
void draw(SkCanvas* c, const SkMatrix&) const { c->drawRect(rect, paint); }
};
struct DrawEdgeAARect final : Op {
static const auto kType = Type::DrawEdgeAARect;
DrawEdgeAARect(const SkRect& rect, SkCanvas::QuadAAFlags aa, SkColor color,
SkBlendMode mode)
: rect(rect), aa(aa), color(color), mode(mode) {}
SkRect rect;
SkCanvas::QuadAAFlags aa;
SkColor color;
SkBlendMode mode;
void draw(SkCanvas* c, const SkMatrix&) const {
c->experimental_DrawEdgeAARectV1(rect, aa, color, mode);
}
};
struct DrawRegion final : Op {
static const auto kType = Type::DrawRegion;
DrawRegion(const SkRegion& region, const SkPaint& paint) : region(region), paint(paint) {}
SkRegion region;
SkPaint paint;
void draw(SkCanvas* c, const SkMatrix&) const { c->drawRegion(region, paint); }
};
struct DrawOval final : Op {
static const auto kType = Type::DrawOval;
DrawOval(const SkRect& oval, const SkPaint& paint) : oval(oval), paint(paint) {}
SkRect oval;
SkPaint paint;
void draw(SkCanvas* c, const SkMatrix&) const { c->drawOval(oval, paint); }
};
struct DrawArc final : Op {
static const auto kType = Type::DrawArc;
DrawArc(const SkRect& oval, SkScalar startAngle, SkScalar sweepAngle, bool useCenter,
const SkPaint& paint)
: oval(oval), startAngle(startAngle), sweepAngle(sweepAngle), useCenter(useCenter)
, paint(paint) {}
SkRect oval;
SkScalar startAngle;
SkScalar sweepAngle;
bool useCenter;
SkPaint paint;
void draw(SkCanvas* c, const SkMatrix&) const { c->drawArc(oval, startAngle, sweepAngle,
useCenter, paint); }
};
struct DrawRRect final : Op {
static const auto kType = Type::DrawRRect;
DrawRRect(const SkRRect& rrect, const SkPaint& paint) : rrect(rrect), paint(paint) {}
SkRRect rrect;
SkPaint paint;
void draw(SkCanvas* c, const SkMatrix&) const { c->drawRRect(rrect, paint); }
};
struct DrawDRRect final : Op {
static const auto kType = Type::DrawDRRect;
DrawDRRect(const SkRRect& outer, const SkRRect& inner, const SkPaint& paint)
: outer(outer), inner(inner), paint(paint) {}
SkRRect outer, inner;
SkPaint paint;
void draw(SkCanvas* c, const SkMatrix&) const { c->drawDRRect(outer, inner, paint); }
};
struct DrawAnnotation final : Op {
static const auto kType = Type::DrawAnnotation;
DrawAnnotation(const SkRect& rect, SkData* value) : rect(rect), value(sk_ref_sp(value)) {}
SkRect rect;
sk_sp<SkData> value;
void draw(SkCanvas* c, const SkMatrix&) const {
c->drawAnnotation(rect, pod<char>(this), value.get());
}
};
struct DrawDrawable final : Op {
static const auto kType = Type::DrawDrawable;
DrawDrawable(SkDrawable* drawable, const SkMatrix* matrix) : drawable(sk_ref_sp(drawable)) {
if (matrix) { this->matrix = *matrix; }
}
sk_sp<SkDrawable> drawable;
SkMatrix matrix = SkMatrix::I();
void draw(SkCanvas* c, const SkMatrix&) const {
c->drawDrawable(drawable.get(), &matrix);
}
};
struct DrawPicture final : Op {
static const auto kType = Type::DrawPicture;
DrawPicture(const SkPicture* picture, const SkMatrix* matrix, const SkPaint* paint)
: picture(sk_ref_sp(picture)) {
if (matrix) { this->matrix = *matrix; }
if (paint) { this->paint = *paint; has_paint = true; }
}
sk_sp<const SkPicture> picture;
SkMatrix matrix = SkMatrix::I();
SkPaint paint;
bool has_paint = false; // TODO: why is a default paint not the same?
void draw(SkCanvas* c, const SkMatrix&) const {
c->drawPicture(picture.get(), &matrix, has_paint ? &paint : nullptr);
}
};
struct DrawImage final : Op {
static const auto kType = Type::DrawImage;
DrawImage(sk_sp<const SkImage>&& image, SkScalar x, SkScalar y, const SkPaint* paint)
: image(std::move(image)), x(x), y(y) {
if (paint) { this->paint = *paint; }
}
sk_sp<const SkImage> image;
SkScalar x,y;
SkPaint paint;
void draw(SkCanvas* c, const SkMatrix&) const { c->drawImage(image.get(), x,y, &paint); }
};
struct DrawImageNine final : Op {
static const auto kType = Type::DrawImageNine;
DrawImageNine(sk_sp<const SkImage>&& image,
const SkIRect& center, const SkRect& dst, const SkPaint* paint)
: image(std::move(image)), center(center), dst(dst) {
if (paint) { this->paint = *paint; }
}
sk_sp<const SkImage> image;
SkIRect center;
SkRect dst;
SkPaint paint;
void draw(SkCanvas* c, const SkMatrix&) const {
c->drawImageNine(image.get(), center, dst, &paint);
}
};
struct DrawImageRect final : Op {
static const auto kType = Type::DrawImageRect;
DrawImageRect(sk_sp<const SkImage>&& image, const SkRect* src, const SkRect& dst,
const SkPaint* paint, SkCanvas::SrcRectConstraint constraint)
: image(std::move(image)), dst(dst), constraint(constraint) {
this->src = src ? *src : SkRect::MakeIWH(this->image->width(), this->image->height());
if (paint) { this->paint = *paint; }
}
sk_sp<const SkImage> image;
SkRect src, dst;
SkPaint paint;
SkCanvas::SrcRectConstraint constraint;
void draw(SkCanvas* c, const SkMatrix&) const {
c->drawImageRect(image.get(), src, dst, &paint, constraint);
}
};
struct DrawImageLattice final : Op {
static const auto kType = Type::DrawImageLattice;
DrawImageLattice(sk_sp<const SkImage>&& image, int xs, int ys, int fs,
const SkIRect& src, const SkRect& dst, const SkPaint* paint)
: image(std::move(image)), xs(xs), ys(ys), fs(fs), src(src), dst(dst) {
if (paint) { this->paint = *paint; }
}
sk_sp<const SkImage> image;
int xs, ys, fs;
SkIRect src;
SkRect dst;
SkPaint paint;
void draw(SkCanvas* c, const SkMatrix&) const {
auto xdivs = pod<int>(this, 0),
ydivs = pod<int>(this, xs*sizeof(int));
auto colors = (0 == fs) ? nullptr :
pod<SkColor>(this, (xs+ys)*sizeof(int));
auto flags = (0 == fs) ? nullptr :
pod<SkCanvas::Lattice::RectType>(this, (xs+ys)*sizeof(int)+
fs*sizeof(SkColor));
c->drawImageLattice(image.get(), {xdivs, ydivs, flags, xs, ys, &src, colors}, dst,
&paint);
}
};
struct DrawImageSet final : Op {
static const auto kType = Type::DrawImageSet;
DrawImageSet(const SkCanvas::ImageSetEntry set[], int count, SkFilterQuality quality,
SkBlendMode xfermode)
: count(count), quality(quality), xfermode(xfermode), set(count) {
std::copy_n(set, count, this->set.get());
}
int count;
SkFilterQuality quality;
SkBlendMode xfermode;
SkAutoTArray<SkCanvas::ImageSetEntry> set;
void draw(SkCanvas* c, const SkMatrix&) const {
c->experimental_DrawImageSetV1(set.get(), count, quality, xfermode);
}
};
struct DrawTextBlob final : Op {
static const auto kType = Type::DrawTextBlob;
DrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y, const SkPaint& paint)
: blob(sk_ref_sp(blob)), x(x), y(y), paint(paint) {}
sk_sp<const SkTextBlob> blob;
SkScalar x,y;
SkPaint paint;
void draw(SkCanvas* c, const SkMatrix&) const {
c->drawTextBlob(blob.get(), x,y, paint);
}
};
struct DrawPatch final : Op {
static const auto kType = Type::DrawPatch;
DrawPatch(const SkPoint cubics[12], const SkColor colors[4], const SkPoint texs[4],
SkBlendMode bmode, const SkPaint& paint)
: xfermode(bmode), paint(paint)
{
copy_v(this->cubics, cubics, 12);
if (colors) { copy_v(this->colors, colors, 4); has_colors = true; }
if (texs ) { copy_v(this->texs , texs , 4); has_texs = true; }
}
SkPoint cubics[12];
SkColor colors[4];
SkPoint texs[4];
SkBlendMode xfermode;
SkPaint paint;
bool has_colors = false;
bool has_texs = false;
void draw(SkCanvas* c, const SkMatrix&) const {
c->drawPatch(cubics, has_colors ? colors : nullptr, has_texs ? texs : nullptr,
xfermode, paint);
}
};
struct DrawPoints final : Op {
static const auto kType = Type::DrawPoints;
DrawPoints(SkCanvas::PointMode mode, size_t count, const SkPaint& paint)
: mode(mode), count(count), paint(paint) {}
SkCanvas::PointMode mode;
size_t count;
SkPaint paint;
void draw(SkCanvas* c, const SkMatrix&) const {
c->drawPoints(mode, count, pod<SkPoint>(this), paint);
}
};
struct DrawVertices final : Op {
static const auto kType = Type::DrawVertices;
DrawVertices(const SkVertices* v, int bc, SkBlendMode m, const SkPaint& p)
: vertices(sk_ref_sp(const_cast<SkVertices*>(v)))
, boneCount(bc)
, mode(m)
, paint(p) {}
sk_sp<SkVertices> vertices;
int boneCount;
SkBlendMode mode;
SkPaint paint;
void draw(SkCanvas* c, const SkMatrix&) const {
c->drawVertices(vertices, pod<SkVertices::Bone>(this), boneCount, mode, paint);
}
};
struct DrawAtlas final : Op {
static const auto kType = Type::DrawAtlas;
DrawAtlas(const SkImage* atlas, int count, SkBlendMode xfermode,
const SkRect* cull, const SkPaint* paint, bool has_colors)
: atlas(sk_ref_sp(atlas)), count(count), xfermode(xfermode), has_colors(has_colors) {
if (cull) { this->cull = *cull; }
if (paint) { this->paint = *paint; }
}
sk_sp<const SkImage> atlas;
int count;
SkBlendMode xfermode;
SkRect cull = kUnset;
SkPaint paint;
bool has_colors;
void draw(SkCanvas* c, const SkMatrix&) const {
auto xforms = pod<SkRSXform>(this, 0);
auto texs = pod<SkRect>(this, count*sizeof(SkRSXform));
auto colors = has_colors
? pod<SkColor>(this, count*(sizeof(SkRSXform) + sizeof(SkRect)))
: nullptr;
c->drawAtlas(atlas.get(), xforms, texs, colors, count, xfermode,
maybe_unset(cull), &paint);
}
};
struct DrawShadowRec final : Op {
static const auto kType = Type::DrawShadowRec;
DrawShadowRec(const SkPath& path, const SkDrawShadowRec& rec)
: fPath(path), fRec(rec)
{}
SkPath fPath;
SkDrawShadowRec fRec;
void draw(SkCanvas* c, const SkMatrix&) const {
c->private_draw_shadow_rec(fPath, fRec);
}
};
}
template <typename T, typename... Args>
void* SkLiteDL::push(size_t pod, Args&&... args) {
size_t skip = SkAlignPtr(sizeof(T) + pod);
SkASSERT(skip < (1<<24));
if (fUsed + skip > fReserved) {
static_assert(SkIsPow2(SKLITEDL_PAGE), "This math needs updating for non-pow2.");
// Next greater multiple of SKLITEDL_PAGE.
fReserved = (fUsed + skip + SKLITEDL_PAGE) & ~(SKLITEDL_PAGE-1);
fBytes.realloc(fReserved);
}
SkASSERT(fUsed + skip <= fReserved);
auto op = (T*)(fBytes.get() + fUsed);
fUsed += skip;
new (op) T{ std::forward<Args>(args)... };
op->type = (uint32_t)T::kType;
op->skip = skip;
return op+1;
}
template <typename Fn, typename... Args>
inline void SkLiteDL::map(const Fn fns[], Args... args) const {
auto end = fBytes.get() + fUsed;
for (const uint8_t* ptr = fBytes.get(); ptr < end; ) {
auto op = (const Op*)ptr;
auto type = op->type;
auto skip = op->skip;
if (auto fn = fns[type]) { // We replace no-op functions with nullptrs
fn(op, args...); // to avoid the overhead of a pointless call.
}
ptr += skip;
}
}
void SkLiteDL::flush() { this->push<Flush>(0); }
void SkLiteDL:: save() { this->push <Save>(0); }
void SkLiteDL::restore() { this->push<Restore>(0); }
void SkLiteDL::saveLayer(const SkRect* bounds, const SkPaint* paint,
const SkImageFilter* backdrop, const SkImage* clipMask,
const SkMatrix* clipMatrix, SkCanvas::SaveLayerFlags flags) {
this->push<SaveLayer>(0, bounds, paint, backdrop, clipMask, clipMatrix, flags);
}
void SkLiteDL::saveBehind(const SkRect* subset) {
this->push<SaveBehind>(0, subset);
}
void SkLiteDL:: concat(const SkMatrix& matrix) { this->push <Concat>(0, matrix); }
void SkLiteDL::setMatrix(const SkMatrix& matrix) { this->push<SetMatrix>(0, matrix); }
void SkLiteDL::translate(SkScalar dx, SkScalar dy) { this->push<Translate>(0, dx, dy); }
void SkLiteDL::clipPath(const SkPath& path, SkClipOp op, bool aa) {
this->push<ClipPath>(0, path, op, aa);
}
void SkLiteDL::clipRect(const SkRect& rect, SkClipOp op, bool aa) {
this->push<ClipRect>(0, rect, op, aa);
}
void SkLiteDL::clipRRect(const SkRRect& rrect, SkClipOp op, bool aa) {
this->push<ClipRRect>(0, rrect, op, aa);
}
void SkLiteDL::clipRegion(const SkRegion& region, SkClipOp op) {
this->push<ClipRegion>(0, region, op);
}
void SkLiteDL::drawPaint(const SkPaint& paint) {
this->push<DrawPaint>(0, paint);
}
void SkLiteDL::drawBehind(const SkPaint& paint) {
this->push<DrawBehind>(0, paint);
}
void SkLiteDL::drawPath(const SkPath& path, const SkPaint& paint) {
this->push<DrawPath>(0, path, paint);
}
void SkLiteDL::drawRect(const SkRect& rect, const SkPaint& paint) {
this->push<DrawRect>(0, rect, paint);
}
void SkLiteDL::drawEdgeAARect(const SkRect& rect, SkCanvas::QuadAAFlags aa, SkColor color,
SkBlendMode mode) {
this->push<DrawEdgeAARect>(0, rect, aa, color, mode);
}
void SkLiteDL::drawRegion(const SkRegion& region, const SkPaint& paint) {
this->push<DrawRegion>(0, region, paint);
}
void SkLiteDL::drawOval(const SkRect& oval, const SkPaint& paint) {
this->push<DrawOval>(0, oval, paint);
}
void SkLiteDL::drawArc(const SkRect& oval, SkScalar startAngle, SkScalar sweepAngle, bool useCenter,
const SkPaint& paint) {
this->push<DrawArc>(0, oval, startAngle, sweepAngle, useCenter, paint);
}
void SkLiteDL::drawRRect(const SkRRect& rrect, const SkPaint& paint) {
this->push<DrawRRect>(0, rrect, paint);
}
void SkLiteDL::drawDRRect(const SkRRect& outer, const SkRRect& inner, const SkPaint& paint) {
this->push<DrawDRRect>(0, outer, inner, paint);
}
void SkLiteDL::drawAnnotation(const SkRect& rect, const char* key, SkData* value) {
size_t bytes = strlen(key)+1;
void* pod = this->push<DrawAnnotation>(bytes, rect, value);
copy_v(pod, key,bytes);
}
void SkLiteDL::drawDrawable(SkDrawable* drawable, const SkMatrix* matrix) {
this->push<DrawDrawable>(0, drawable, matrix);
}
void SkLiteDL::drawPicture(const SkPicture* picture,
const SkMatrix* matrix, const SkPaint* paint) {
this->push<DrawPicture>(0, picture, matrix, paint);
}
void SkLiteDL::drawImage(sk_sp<const SkImage> image, SkScalar x, SkScalar y, const SkPaint* paint) {
this->push<DrawImage>(0, std::move(image), x,y, paint);
}
void SkLiteDL::drawImageNine(sk_sp<const SkImage> image, const SkIRect& center,
const SkRect& dst, const SkPaint* paint) {
this->push<DrawImageNine>(0, std::move(image), center, dst, paint);
}
void SkLiteDL::drawImageRect(sk_sp<const SkImage> image, const SkRect* src, const SkRect& dst,
const SkPaint* paint, SkCanvas::SrcRectConstraint constraint) {
this->push<DrawImageRect>(0, std::move(image), src, dst, paint, constraint);
}
void SkLiteDL::drawImageLattice(sk_sp<const SkImage> image, const SkCanvas::Lattice& lattice,
const SkRect& dst, const SkPaint* paint) {
int xs = lattice.fXCount, ys = lattice.fYCount;
int fs = lattice.fRectTypes ? (xs + 1) * (ys + 1) : 0;
size_t bytes = (xs + ys) * sizeof(int) + fs * sizeof(SkCanvas::Lattice::RectType)
+ fs * sizeof(SkColor);
SkASSERT(lattice.fBounds);
void* pod = this->push<DrawImageLattice>(bytes, std::move(image), xs, ys, fs, *lattice.fBounds,
dst, paint);
copy_v(pod, lattice.fXDivs, xs,
lattice.fYDivs, ys,
lattice.fColors, fs,
lattice.fRectTypes, fs);
}
void SkLiteDL::drawImageSet(const SkCanvas::ImageSetEntry set[], int count,
SkFilterQuality filterQuality, SkBlendMode mode) {
this->push<DrawImageSet>(0, set, count, filterQuality, mode);
}
void SkLiteDL::drawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y, const SkPaint& paint) {
this->push<DrawTextBlob>(0, blob, x,y, paint);
}
void SkLiteDL::drawPatch(const SkPoint points[12], const SkColor colors[4], const SkPoint texs[4],
SkBlendMode bmode, const SkPaint& paint) {
this->push<DrawPatch>(0, points, colors, texs, bmode, paint);
}
void SkLiteDL::drawPoints(SkCanvas::PointMode mode, size_t count, const SkPoint points[],
const SkPaint& paint) {
void* pod = this->push<DrawPoints>(count*sizeof(SkPoint), mode, count, paint);
copy_v(pod, points,count);
}
void SkLiteDL::drawVertices(const SkVertices* vertices, const SkVertices::Bone bones[],
int boneCount, SkBlendMode mode, const SkPaint& paint) {
void* pod = this->push<DrawVertices>(boneCount * sizeof(SkVertices::Bone),
vertices,
boneCount,
mode,
paint);
copy_v(pod, bones, boneCount);
}
void SkLiteDL::drawAtlas(const SkImage* atlas, const SkRSXform xforms[], const SkRect texs[],
const SkColor colors[], int count, SkBlendMode xfermode,
const SkRect* cull, const SkPaint* paint) {
size_t bytes = count*(sizeof(SkRSXform) + sizeof(SkRect));
if (colors) {
bytes += count*sizeof(SkColor);
}
void* pod = this->push<DrawAtlas>(bytes,
atlas, count, xfermode, cull, paint, colors != nullptr);
copy_v(pod, xforms, count,
texs, count,
colors, colors ? count : 0);
}
void SkLiteDL::drawShadowRec(const SkPath& path, const SkDrawShadowRec& rec) {
this->push<DrawShadowRec>(0, path, rec);
}
typedef void(*draw_fn)(const void*, SkCanvas*, const SkMatrix&);
typedef void(*void_fn)(const void*);
// All ops implement draw().
#define M(T) [](const void* op, SkCanvas* c, const SkMatrix& original) { \
((const T*)op)->draw(c, original); \
},
static const draw_fn draw_fns[] = { TYPES(M) };
#undef M
// Most state ops (matrix, clip, save, restore) have a trivial destructor.
#define M(T) !std::is_trivially_destructible<T>::value \
? [](const void* op) { ((const T*)op)->~T(); } \
: (void_fn)nullptr,
static const void_fn dtor_fns[] = { TYPES(M) };
#undef M
void SkLiteDL::draw(SkCanvas* canvas) const {
SkAutoCanvasRestore acr(canvas, false);
this->map(draw_fns, canvas, canvas->getTotalMatrix());
}
SkLiteDL::~SkLiteDL() {
this->reset();
}
void SkLiteDL::reset() {
this->map(dtor_fns);
// Leave fBytes and fReserved alone.
fUsed = 0;
}