fix clang code model warning.

.appveyor.yml

@@ -14,7 +14,7 @@ install:
   - pip install meson==0.50.0 ninja
   - call "%VS140COMNTOOLS%\..\..\VC\vcvarsall.bat" %ARCH%
 build_script:
-  - meson -Dwarning_level=0 -Dwerror=false --backend=ninja --prefix=%cd%  build
+  - meson -Dwerror=false --backend=ninja --prefix=%cd%  build
   - where link
   - ninja -C build
 test_script:

src/lottie/lottieitem.cpp

@@ -131,7 +131,7 @@ bool LOTCompItem::update(int frameNo)
 
     float sx = float(viewPort.width()) / viewBox.width();
     float sy = float(viewPort.height()) / viewBox.height();
-    float scale = fmin(sx, sy);
+    float scale = std::min(sx, sy);
     float tx = (viewPort.width() - viewBox.width() * scale) * 0.5f;
     float ty = (viewPort.height() - viewBox.height() * scale) * 0.5f;
 
@@ -1340,7 +1340,7 @@ void LOTFillItem::updateRenderNode()
 {
     VColor color = mColor;
 
-    color.setAlpha(color.a * parentAlpha());
+    color.setAlpha(uchar(color.a * parentAlpha()));
     VBrush brush(color);
     mDrawable.setBrush(brush);
     mDrawable.setFillRule(mModel.fillRule());
@@ -1397,7 +1397,7 @@ void LOTStrokeItem::updateRenderNode()
 {
     VColor color = mColor;
 
-    color.setAlpha(color.a * parentAlpha());
+    color.setAlpha(uchar(color.a * parentAlpha()));
     VBrush brush(color);
     mDrawable.setBrush(brush);
     float scale =

src/lottie/lottiemodel.h

@@ -250,8 +250,8 @@ public:
     }
 
     bool changed(int prevFrame, int curFrame) const {
-        int first = mKeyFrames.front().mStartFrame;
+        auto first = mKeyFrames.front().mStartFrame;
-        int last = mKeyFrames.back().mEndFrame;
+        auto last = mKeyFrames.back().mEndFrame;
 
         return !((first > prevFrame  && first > curFrame) ||
                  (last < prevFrame  && last < curFrame));
@@ -572,7 +572,7 @@ public:
     size_t frameAtPos(double pos) const {
         if (pos < 0) pos = 0;
         if (pos > 1) pos = 1;
-        return pos * frameDuration();
+        return size_t(pos * frameDuration());
     }
     long frameAtTime(double timeInSec) const {
         return frameAtPos(timeInSec / duration());
@@ -979,7 +979,7 @@ public:
    double duration() const {return mRoot->duration();}
    size_t totalFrame() const {return mRoot->totalFrame();}
    size_t frameDuration() const {return mRoot->frameDuration();}
-   size_t frameRate() const {return mRoot->frameRate();}
+   double frameRate() const {return mRoot->frameRate();}
    size_t startFrame() const {return mRoot->startFrame();}
    size_t endFrame() const {return mRoot->endFrame();}
    size_t frameAtPos(double pos) const {return mRoot->frameAtPos(pos);}

src/vector/vbitmap.cpp

@@ -17,7 +17,7 @@
  */
 
 #include "vbitmap.h"
-#include <string.h>
+#include <string>
 #include "vdrawhelper.h"
 #include "vglobal.h"
 
@@ -35,8 +35,12 @@ struct VBitmap::Impl {
     bool            mRoData;
 
     Impl() = delete;
+    Impl(Impl&&) = delete;
+    Impl(const Impl&) = delete;
+    Impl& operator=(Impl&&) = delete;
+    Impl& operator=(Impl&) = delete;
 
-    Impl(uint width, uint height, VBitmap::Format format)
+    explicit Impl(uint width, uint height, VBitmap::Format format)
         : mOwnData(true), mRoData(false)
     {
         reset(width, height, format);
@@ -55,24 +59,19 @@ struct VBitmap::Impl {
         mFormat = format;
         mStride = stride;
         mBytes = mStride * mHeight;
-        mData = reinterpret_cast<uchar *>(::operator new(mBytes));
+        mData = new uchar[mBytes];
     }
 
-    Impl(uchar *data, uint w, uint h, uint bytesPerLine, VBitmap::Format format)
+    explicit Impl(uchar *data, uint w, uint h, uint bytesPerLine, VBitmap::Format format)
-        : mOwnData(false), mRoData(false)
+        : mData(data), mWidth(w), mHeight(h), mStride(bytesPerLine),
+          mDepth(depth(format)), mFormat(format), mOwnData(false), mRoData(false)
     {
-        mWidth = w;
-        mHeight = h;
-        mFormat = format;
-        mStride = bytesPerLine;
         mBytes = mStride * mHeight;
-        mData = data;
-        mDepth = depth(format);
     }
 
     ~Impl()
     {
-        if (mOwnData && mData) ::operator delete(mData);
+        if (mOwnData && mData) delete[] mData;
     }
 
     uint            stride() const { return mStride; }
@@ -125,7 +124,7 @@ struct VBitmap::Impl {
                     green = (green * 255) / alpha;
                     blue = (blue * 255) / alpha;
                 }
-                int luminosity = (0.299f * red + 0.587f * green + 0.114f * blue);
+                int luminosity = int(0.299f * red + 0.587f * green + 0.114f * blue);
                 *pixel = luminosity << 24;
                 pixel++;
             }
@@ -195,7 +194,7 @@ uchar *VBitmap::data() const
 
 bool VBitmap::valid() const
 {
-    return mImpl ? true : false;
+    return (mImpl != nullptr);
 }
 
 VBitmap::Format VBitmap::format() const

src/vector/vbrush.cpp

@@ -21,9 +21,7 @@
 V_BEGIN_NAMESPACE
 
 VGradient::VGradient(VGradient::Type type)
-    : mType(type),
+    : mType(type)
-      mSpread(VGradient::Spread::Pad),
-      mMode(VGradient::Mode::Absolute)
 {
     if (mType == Type::Linear)
         linear.x1 = linear.y1 = linear.x2 = linear.y2 = 0.0f;
@@ -41,7 +39,7 @@ VBrush::VBrush(const VColor &color) : mType(VBrush::Type::Solid), mColor(color)
 {
 }
 
-VBrush::VBrush(int r, int g, int b, int a)
+VBrush::VBrush(uchar r, uchar g, uchar b, uchar a)
     : mType(VBrush::Type::Solid), mColor(r, g, b, a)
 
 {

src/vector/vbrush.h

@@ -27,14 +27,14 @@
 
 V_BEGIN_NAMESPACE
 
-typedef std::pair<float, VColor>   VGradientStop;
+using VGradientStop = std::pair<float, VColor>;
-typedef std::vector<VGradientStop> VGradientStops;
+using VGradientStops = std::vector<VGradientStop>;
 class VGradient {
 public:
     enum class Mode { Absolute, Relative };
     enum class Spread { Pad, Repeat, Reflect };
     enum class Type { Linear, Radial };
-    VGradient(VGradient::Type type);
+    explicit VGradient(VGradient::Type type);
     void setStops(const VGradientStops &stops);
     void setAlpha(float alpha) {mAlpha = alpha;}
     float alpha() const {return mAlpha;}
@@ -42,16 +42,16 @@ public:
 
 public:
     static constexpr int colorTableSize = 1024;
-    VGradient::Type      mType;
+    VGradient::Type      mType{Type::Linear};
-    VGradient::Spread    mSpread;
+    VGradient::Spread    mSpread{Spread::Pad};
-    VGradient::Mode      mMode;
+    VGradient::Mode      mMode{Mode::Absolute};
     VGradientStops       mStops;
     float                mAlpha{1.0};
     struct Linear{
-        float x1, y1, x2, y2;
+        float x1{0}, y1{0}, x2{0}, y2{0};
     };
     struct Radial{
-        float cx, cy, fx, fy, cradius, fradius;
+        float cx{0}, cy{0}, fx{0}, fy{0}, cradius{0}, fradius{0};
     };
     union {
         Linear linear;
@@ -64,10 +64,10 @@ class VBrush {
 public:
     enum class Type { NoBrush, Solid, LinearGradient, RadialGradient, Texture };
     VBrush() = default;
-    VBrush(const VColor &color);
+    explicit VBrush(const VColor &color);
-    VBrush(const VGradient *gradient);
+    explicit VBrush(const VGradient *gradient);
-    VBrush(int r, int g, int b, int a);
+    explicit VBrush(uchar r, uchar g, uchar b, uchar a);
-    VBrush(const VBitmap &texture);
+    explicit VBrush(const VBitmap &texture);
     inline VBrush::Type type() const { return mType; }
     void setMatrix(const VMatrix &m);
 public:

src/vector/vcowptr.h

@@ -19,7 +19,7 @@
 #ifndef VCOWPTR_H
 #define VCOWPTR_H
 
-#include <assert.h>
+#include <cassert>
 #include "vglobal.h"
 
 template <typename T>
@@ -30,9 +30,8 @@ class vcow_ptr {
         model() = default;
 
         template <class... Args>
-        explicit model(Args&&... args) : mValue(std::forward<Args>(args)...)
+        explicit model(Args&&... args) : mValue(std::forward<Args>(args)...){}
-        {
+        explicit model(const T& other) : mValue(other){}
-        }
 
         T mValue;
     };
@@ -54,7 +53,7 @@ public:
     }
 
     template <class... Args>
-    vcow_ptr(Args&&... args) : mModel(new model(std::forward<Args>(args)...))
+    explicit vcow_ptr(Args&&... args) : mModel(new model(std::forward<Args>(args)...))
     {
     }
 
@@ -71,7 +70,8 @@ public:
 
     auto operator=(const vcow_ptr& x) noexcept -> vcow_ptr&
     {
-        return *this = vcow_ptr(x);
+        *this = vcow_ptr(x);
+        return *this;
     }
 
     auto operator=(vcow_ptr&& x) noexcept -> vcow_ptr&
@@ -85,7 +85,7 @@ public:
 
     auto operator-> () const noexcept -> const element_type* { return &read(); }
 
-    int refCount() const noexcept
+    std::size_t refCount() const noexcept
     {
         assert(mModel);
 

src/vector/vglobal.h

@@ -91,7 +91,7 @@ public:
         if (count == -1)  // isStatic
             return true;
         atomic.fetch_sub(1);
-        return --count;
+        return (--count == 0);
     }
     bool isShared() const
     {
@@ -263,14 +263,14 @@ public:
     VColor() = default;
     explicit VColor(uchar red, uchar green, uchar blue, uchar alpha = 255) noexcept
         :a(alpha), r(red), g(green), b(blue){}
-    inline int  red() const noexcept { return r; }
+    inline uchar  red() const noexcept { return r; }
-    inline int  green() const noexcept { return g; }
+    inline uchar  green() const noexcept { return g; }
-    inline int  blue() const noexcept { return b; }
+    inline uchar  blue() const noexcept { return b; }
-    inline int  alpha() const noexcept { return a; }
+    inline uchar  alpha() const noexcept { return a; }
-    inline void setRed(int red) noexcept { r = red; }
+    inline void setRed(uchar red) noexcept { r = red; }
-    inline void setGreen(int green) noexcept { g = green; }
+    inline void setGreen(uchar green) noexcept { g = green; }
-    inline void setBlue(int blue) noexcept { b = blue; }
+    inline void setBlue(uchar blue) noexcept { b = blue; }
-    inline void setAlpha(int alpha) noexcept { a = alpha; }
+    inline void setAlpha(uchar alpha) noexcept { a = alpha; }
     inline bool isOpaque() const { return a == 255; }
     inline bool operator==(const VColor &o) const
     {

src/vector/vpath.h

@@ -69,7 +69,7 @@ public:
     const std::vector<VPointF> &       points() const;
     void  clone(const VPath &srcPath);
     bool unique() const { return d.unique();}
-    int refCount() const { return d.refCount();}
+    size_t refCount() const { return d.refCount();}
 
 private:
     struct VPathData {

src/vector/vrle.cpp

@@ -31,9 +31,9 @@ V_BEGIN_NAMESPACE
 enum class Operation { Add, Xor };
 
 struct VRleHelper {
-    size_t      alloc;
+    size_t      alloc{0};
-    size_t      size;
+    size_t      size{0};
-    VRle::Span *spans;
+    VRle::Span *spans{nullptr};
 };
 static void rleIntersectWithRle(VRleHelper *, int, int, VRleHelper *,
                                 VRleHelper *);
@@ -150,7 +150,7 @@ void VRle::VRleData::invert()
     }
 }
 
-void VRle::VRleData::operator*=(int alpha)
+void VRle::VRleData::operator*=(uchar alpha)
 {
     alpha &= 0xff;
     for (auto &i : mSpans) {

src/vector/vrle.h

@@ -30,13 +30,13 @@ V_BEGIN_NAMESPACE
 class VRle {
 public:
     struct Span {
-        short  x;
+        short  x{0};
-        short  y;
+        short  y{0};
-        ushort len;
+        ushort len{0};
-        uchar  coverage;
+        uchar  coverage{0};
     };
-    typedef void (*VRleSpanCb)(size_t count, const VRle::Span *spans,
+    using VRleSpanCb =  void (*)(size_t count, const VRle::Span *spans,
-                               void *userData);
+                                 void *userData);
     bool  empty() const;
     VRect boundingRect() const;
     void setBoundingRect(const VRect &bbox);
@@ -46,7 +46,7 @@ public:
     void translate(const VPoint &p);
     void invert();
 
-    void operator*=(int alpha);
+    void operator*=(uchar alpha);
 
     void intersect(const VRect &r, VRleSpanCb cb, void *userData) const;
     void intersect(const VRle &rle, VRleSpanCb cb, void *userData) const;
@@ -59,7 +59,7 @@ public:
     static VRle toRle(const VRect &rect);
 
     bool unique() const {return d.unique();}
-    int refCount() const { return d.refCount();}
+    size_t refCount() const { return d.refCount();}
     void clone(const VRle &o);
 
 private:
@@ -75,7 +75,7 @@ private:
         void setBbox(const VRect &bbox) const;
         void  reset();
         void  translate(const VPoint &p);
-        void  operator*=(int alpha);
+        void  operator*=(uchar alpha);
         void  invert();
         void  opIntersect(const VRect &, VRle::VRleSpanCb, void *) const;
         void  opGeneric(const VRle::VRleData &, const VRle::VRleData &, OpCode code);
@@ -119,7 +119,7 @@ inline void VRle::invert()
     d.write().invert();
 }
 
-inline void VRle::operator*=(int alpha)
+inline void VRle::operator*=(uchar alpha)
 {
     d.write() *= alpha;
 }