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Make setters return reference to self: Surface

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This commit is contained in:
Dmitry Marakasov 2015-01-18 03:26:29 +03:00
parent 92d7873a61
commit 487f53bcd7
2 changed files with 36 additions and 16 deletions
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24
SDL2pp/Surface.cc
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@ -148,42 +148,49 @@ void Surface::GetColorMod(Uint8& r, Uint8& g, Uint8& b) const {
throw Exception("SDL_GetSurfaceColorMod failed");
}
void Surface::SetClipRect(const Optional<Rect>& rect) {
Surface& Surface::SetClipRect(const Optional<Rect>& rect) {
if (SDL_SetClipRect(surface_, rect ? &*rect : nullptr) != 0)
throw Exception("SDL_SetClipRect failed");
return *this;
}
void Surface::SetColorKey(int flag, Uint32 key) {
Surface& Surface::SetColorKey(int flag, Uint32 key) {
if (SDL_SetColorKey(surface_, flag, key) != 0)
throw Exception("SDL_SetColorKey failed");
return *this;
}
void Surface::SetAlphaMod(Uint8 alpha) {
Surface& Surface::SetAlphaMod(Uint8 alpha) {
if (SDL_SetSurfaceAlphaMod(surface_, alpha) != 0)
throw Exception("SDL_SetSurfaceAlphaMod failed");
return *this;
}
void Surface::SetBlendMode(SDL_BlendMode blendMode) {
Surface& Surface::SetBlendMode(SDL_BlendMode blendMode) {
if (SDL_SetSurfaceBlendMode(surface_, blendMode) != 0)
throw Exception("SDL_SetSurfaceBlendMode failed");
return *this;
}
void Surface::SetColorMod(Uint8 r, Uint8 g, Uint8 b) {
Surface& Surface::SetColorMod(Uint8 r, Uint8 g, Uint8 b) {
if (SDL_SetSurfaceColorMod(surface_, r, g, b) != 0)
throw Exception("SDL_SetSurfaceColorMod failed");
return *this;
}
void Surface::SetRLE(bool flag) {
Surface& Surface::SetRLE(bool flag) {
if (SDL_SetSurfaceRLE(surface_, flag ? 1 : 0) != 0)
throw Exception("SDL_SetSurfaceRLE failed");
return *this;
}
void Surface::FillRect(const Optional<Rect>& rect, Uint32 color) {
Surface& Surface::FillRect(const Optional<Rect>& rect, Uint32 color) {
if (SDL_FillRect(surface_, rect ? &*rect : nullptr, color) != 0)
throw Exception("SDL_FillRect failed");
return *this;
}
void Surface::FillRects(const Rect* rects, int count, Uint32 color) {
Surface& Surface::FillRects(const Rect* rects, int count, Uint32 color) {
std::vector<SDL_Rect> sdl_rects;
sdl_rects.reserve(count);
for (const Rect* r = rects; r != rects + count; ++r)
@ -191,6 +198,7 @@ void Surface::FillRects(const Rect* rects, int count, Uint32 color) {
if (SDL_FillRects(surface_, sdl_rects.data(), sdl_rects.size(), color) != 0)
throw Exception("SDL_FillRects failed");
return *this;
}
int Surface::GetWidth() const {

28
SDL2pp/Surface.hh
View File

@ -408,12 +408,14 @@ public:
///
/// \param[in] rect Rect representing the clipping rectangle, or NullOpt to disable clipping
///
/// \returns Reference to self
///
/// \throws SDL2pp::Exception
///
/// \see http://wiki.libsdl.org/SDL_SetClipRect
///
////////////////////////////////////////////////////////////
void SetClipRect(const Optional<Rect>& rect = NullOpt);
Surface& SetClipRect(const Optional<Rect>& rect = NullOpt);
////////////////////////////////////////////////////////////
/// \brief Set the color key (transparent pixel) in a surface
@ -421,36 +423,42 @@ public:
/// \param[in] flag True to enabled color key, false to disable
/// \param[in] key Transparent pixel value
///
/// \returns Reference to self
///
/// \throws SDL2pp::Exception
///
/// \see http://wiki.libsdl.org/SDL_SetColorKey
///
////////////////////////////////////////////////////////////
void SetColorKey(int flag, Uint32 key);
Surface& SetColorKey(int flag, Uint32 key);
////////////////////////////////////////////////////////////
/// \brief Set an additional alpha value used in blit operations
///
/// \param[in] alpha Alpha value multiplied into blit operations
///
/// \returns Reference to self
///
/// \throws SDL2pp::Exception
///
/// \see http://wiki.libsdl.org/SDL_SetSurfaceAlphaMod
///
////////////////////////////////////////////////////////////
void SetAlphaMod(Uint8 alpha = 255);
Surface& SetAlphaMod(Uint8 alpha = 255);
////////////////////////////////////////////////////////////
/// \brief Set the blend mode used for blit operations
///
/// \param[in] blendMode SDL_BlendMode to use for blit blending
///
/// \returns Reference to self
///
/// \throws SDL2pp::Exception
///
/// \see http://wiki.libsdl.org/SDL_SetSurfaceBlendMode
///
////////////////////////////////////////////////////////////
void SetBlendMode(SDL_BlendMode blendMode);
Surface& SetBlendMode(SDL_BlendMode blendMode);
////////////////////////////////////////////////////////////
/// \brief Set an additional color value multiplied into blit operations
@ -459,24 +467,28 @@ public:
/// \param[in] g Green color value multiplied into blit operations
/// \param[in] b Blue color value multiplied into blit operations
///
/// \returns Reference to self
///
/// \throws SDL2pp::Exception
///
/// \see http://wiki.libsdl.org/SDL_SetSurfaceColorMod
///
////////////////////////////////////////////////////////////
void SetColorMod(Uint8 r = 255, Uint8 g = 255, Uint8 b = 255);
Surface& SetColorMod(Uint8 r = 255, Uint8 g = 255, Uint8 b = 255);
////////////////////////////////////////////////////////////
/// \brief Set the RLE acceleration hint for a surface
///
/// \param[in] flag False to disable, true to enable RLE acceleration
///
/// \returns Reference to self
///
/// \throws SDL2pp::Exception
///
/// \see http://wiki.libsdl.org/SDL_SetSurfaceRLE
///
////////////////////////////////////////////////////////////
void SetRLE(bool flag);
Surface& SetRLE(bool flag);
////////////////////////////////////////////////////////////
/// \brief Perform a fast fill of a rectangle with a specific color
@ -489,7 +501,7 @@ public:
/// \see http://wiki.libsdl.org/SDL_FillRect
///
////////////////////////////////////////////////////////////
void FillRect(const Optional<Rect>& rect, Uint32 color);
Surface& FillRect(const Optional<Rect>& rect, Uint32 color);
////////////////////////////////////////////////////////////
/// \brief Perform a fast fill of a set of rectangles with a specific color
@ -503,7 +515,7 @@ public:
/// \see http://wiki.libsdl.org/SDL_FillRects
///
////////////////////////////////////////////////////////////
void FillRects(const Rect* rects, int count, Uint32 color);
Surface& FillRects(const Rect* rects, int count, Uint32 color);
////////////////////////////////////////////////////////////
/// \brief Get surface width