50 p.setColor(0x800000FF);
80 if (p1.
fY <= bounds.top() || p0.
fY >= bounds.bottom()) {
84 double dxdy = (double)(p1.
fX - p0.
fX) / (p1.
fY - p0.
fY);
85 if (p0.
fY < bounds.top()) {
89 if (p1.
fY > bounds.bottom()) {
91 p1.
fY = bounds.bottom();
102 if (p1.
fX <= bounds.left()) {
103 p0.
fX = p1.
fX = bounds.left();
108 if (p0.
fX >= bounds.right()) {
109 p0.
fX = p1.
fX = bounds.right();
115 if (p0.
fX < bounds.left()) {
119 p0.
set(bounds.left(),
y);
121 if (p1.
fX > bounds.right()) {
130 return SkToInt(edges - edgesStart);
139 path.addPoly(verts,
count,
false);
155 fPoly[0].
set(300, 40);
156 fPoly[1].
set(550, 250);
157 fPoly[2].
set(40, 450);
159 fEdgeColor[0] = 0xFFFF0000;
160 fEdgeColor[1] = 0xFF00FF00;
161 fEdgeColor[2] = 0xFF0000FF;
172 for (
int i = 0; i <
count; ++i) {
173 dst[i] =
snap(src[i]);
179 path.addPoly(fPoly, N,
true);
183 p.setAntiAlias(
true);
184 p.setColor(0xFFE0E0E0);
188 for (
int i = 0; i < N; ++i) {
189 const int j = (i + 1) %
N;
190 p.setColor(fEdgeColor[i]);
192 canvas->
drawLine(fPoly[i], fPoly[j], p);
197 p.setColor(0xFF8888CC);
201 p.setColor(0xFF88CC88);
215 for (
int i = 0; i <
N; ++i) {
216 const int j = (i + 1) %
N;
217 p.setColor(fEdgeColor[i]);
256 for (
int i = 0; i < fCount; ++i) {
257 fPoly[i].
set(
snap(fSrc[i].
x() + dx),
snap(fSrc[i].
y() + dy));
272 return dx*dx + dy*dy <= rad*rad;
277 for (
int i = 0; i < N; ++i) {
284 path.addPoly(fPoly,
N,
true);
285 if (path.contains(
x,
y)) {
296 ((
MyClick*)click)->handleMove();
static void draw_clipped_line(SkCanvas *canvas, const SkRect &bounds, SkPoint p0, SkPoint p1, const SkPaint &paint)
static int clip_line(const SkRect &bounds, SkPoint p0, SkPoint p1, SkPoint edges[])
constexpr SkColor SK_ColorRED
static std::unique_ptr< SkEncoder > Make(SkWStream *dst, const SkPixmap *src, const SkYUVAPixmaps *srcYUVA, const SkColorSpace *srcYUVAColorSpace, const SkJpegEncoder::Options &options)
void swap(sk_sp< T > &a, sk_sp< T > &b)
#define SkDoubleToScalar(x)
#define SkScalarRoundToScalar(x)
constexpr int SkToInt(S x)
void handleMove() override
void handleMove() override
DragPolyClick(SkPoint poly[], int count)
void handleMove() override
DragRectClick(SkRect *rect)
virtual void handleMove()=0
void handleMove() override
void draw(SkCanvas *canvas) override
static void snap(SkPoint dst[], const SkPoint src[], int count)
Click * onFindClickHandler(SkScalar x, SkScalar y, skui::ModifierKey) override
static SkPoint snap(const SkPoint &pt)
static bool hit_test(const SkPoint &pt, SkScalar x, SkScalar y)
bool onClick(Click *click) override
static SkScalar snap(SkScalar x)
bool onClick(ClickHandlerSlide::Click *) override
void draw(SkCanvas *canvas) override
Click * onFindClickHandler(SkScalar x, SkScalar y, skui::ModifierKey) override
int saveLayer(const SkRect *bounds, const SkPaint *paint)
void drawRect(const SkRect &rect, const SkPaint &paint)
void drawOval(const SkRect &oval, const SkPaint &paint)
void clipRect(const SkRect &rect, SkClipOp op, bool doAntiAlias)
void drawLine(SkScalar x0, SkScalar y0, SkScalar x1, SkScalar y1, const SkPaint &paint)
void drawPath(const SkPath &path, const SkPaint &paint)
@ kStroke_Style
set to stroke geometry
@ kFill_Style
set to fill geometry
static constexpr SkPoint Make(float x, float y)
void set(float x, float y)
constexpr float y() const
constexpr float x() const
constexpr SkRect makeOffset(float dx, float dy) const
constexpr float centerX() const
void offset(float dx, float dy)
constexpr float centerY() const
static constexpr SkRect MakeLTRB(float l, float t, float r, float b)