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Merge branch 'size-getters'

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This commit is contained in:
Dmitry Marakasov 2014-12-30 16:30:15 +03:00
commit 2006bcd97b
5 changed files with 67 additions and 4 deletions
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12
SDL2pp/Surface.cc
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@ -193,4 +193,16 @@ void Surface::FillRects(const Rect* rects, int count, Uint32 color) {
throw Exception("SDL_FillRects failed");
}
int Surface::GetWidth() const {
return surface_->w;
}
int Surface::GetHeight() const {
return surface_->h;
}
Point Surface::GetSize() const {
return Point(surface_->w, surface_->h);
}
}

25
SDL2pp/Surface.hh
View File

@ -28,6 +28,7 @@
#include <SDL2pp/Config.hh>
#include <SDL2pp/Optional.hh>
#include <SDL2pp/Rect.hh>
#include <SDL2pp/Point.hh>
struct SDL_Surface;
struct SDL_PixelFormat;
@ -479,6 +480,30 @@ public:
///
////////////////////////////////////////////////////////////
void FillRects(const Rect* rects, int count, Uint32 color);
////////////////////////////////////////////////////////////
/// \brief Get surface width
///
/// \return Surface width in pixels
///
////////////////////////////////////////////////////////////
int GetWidth() const;
////////////////////////////////////////////////////////////
/// \brief Get surface height
///
/// \return Surface height in pixels
///
////////////////////////////////////////////////////////////
int GetHeight() const;
////////////////////////////////////////////////////////////
/// \brief Get surface size
///
/// \return SDL2pp::Point representing surface dimensions in pixels
///
////////////////////////////////////////////////////////////
Point GetSize() const;
};
}

7
SDL2pp/Texture.cc
View File

@ -140,4 +140,11 @@ int Texture::GetHeight() const {
return h;
}
Point Texture::GetSize() const {
int w, h;
if (SDL_QueryTexture(texture_, nullptr, nullptr, &w, &h) != 0)
throw Exception("SDL_QueryTexture failed");
return Point(w, h);
}
}

12
SDL2pp/Texture.hh
View File

@ -389,6 +389,18 @@ public:
///
////////////////////////////////////////////////////////////
int GetHeight() const;
////////////////////////////////////////////////////////////
/// \brief Get texture image size
///
/// \return SDL2pp::Point representing texture dimensions in pixels
///
/// \throws SDL2pp::Exception
///
/// \see http://wiki.libsdl.org/SDL_QueryTexture
///
////////////////////////////////////////////////////////////
Point GetSize() const;
};
}

15
examples/ttf.cc
View File

@ -39,15 +39,19 @@ int Run() {
Window window("libSDL2pp demo: font", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 640, 480, SDL_WINDOW_RESIZABLE);
Renderer render(window, -1, SDL_RENDERER_ACCELERATED);
Font font(TESTDATA_DIR "/Vera.ttf", 20);
Font font(TESTDATA_DIR "/Vera.ttf", 30);
Surface solid = font.RenderText_Solid("Hello, world! (solid mode)", SDL_Color({255, 255, 255, 255}));
Surface shaded = font.RenderText_Shaded("Hello, world! (shaded mode)", SDL_Color({255, 255, 255, 255}), SDL_Color({127, 127, 127, 255}));
Surface blended = font.RenderText_Blended("Hello, world! (blended mode)", SDL_Color({255, 255, 255, 255}));
font.SetOutline(1);
Surface outline = font.RenderText_Blended("Hello, world! (blended + outline)", SDL_Color({255, 255, 255, 255}));
Texture solid_tex(render, solid);
Texture shaded_tex(render, shaded);
Texture blended_tex(render, blended);
Texture outline_tex(render, outline);
while (1) {
// Process input
@ -62,13 +66,16 @@ int Run() {
// Render 3 strings
int h = 0;
render.Copy(solid_tex, NullOpt, Rect(0, h, solid.Get()->w, solid.Get()->h));
render.Copy(solid_tex, NullOpt, Rect(0, h, solid.GetWidth(), solid.GetHeight()));
h += solid.Get()->h;
render.Copy(shaded_tex, NullOpt, Rect(0, h, shaded.Get()->w, shaded.Get()->h));
render.Copy(shaded_tex, NullOpt, Rect(0, h, shaded.GetWidth(), shaded.GetHeight()));
h += shaded.Get()->h;
render.Copy(blended_tex, NullOpt, Rect(0, h, blended.Get()->w, blended.Get()->h));
render.Copy(blended_tex, NullOpt, Rect(0, h, blended.GetWidth(), blended.GetHeight()));
h += blended.Get()->h;
render.Copy(outline_tex, NullOpt, Rect(0, h, outline.GetWidth(), outline.GetHeight()));
render.Present();