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<h1>Image.hpp</h1><a href="Image_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 
<a name="l00002"></a>00002 
<a name="l00003"></a>00003 
<a name="l00004"></a>00004 <span class="preprocessor">#ifndef GOSU_IMAGE_HPP</span>
<a name="l00005"></a>00005 <span class="preprocessor"></span><span class="preprocessor">#define GOSU_IMAGE_HPP</span>
<a name="l00006"></a>00006 <span class="preprocessor"></span>
<a name="l00007"></a>00007 <span class="preprocessor">#include &lt;<a class="code" href="Fwd_8hpp.html" title="Contains declarations of all of Gosu&amp;#39;s available classes.">Gosu/Fwd.hpp</a>&gt;</span>
<a name="l00008"></a>00008 <span class="preprocessor">#include &lt;<a class="code" href="Bitmap_8hpp.html" title="Interface of the Bitmap class.">Gosu/Bitmap.hpp</a>&gt;</span>
<a name="l00009"></a>00009 <span class="preprocessor">#include &lt;<a class="code" href="RotFlip_8hpp.html" title="Interface of the undocumented RotFlip class.">Gosu/RotFlip.hpp</a>&gt;</span>
<a name="l00010"></a>00010 <span class="preprocessor">#include &lt;boost/scoped_ptr.hpp&gt;</span>
<a name="l00011"></a>00011 
<a name="l00012"></a>00012 <span class="keyword">namespace </span>Gosu
<a name="l00013"></a>00013 {
<a name="l00015"></a><a class="code" href="classGosu_1_1Image.html">00015</a>     <span class="keyword">class </span><a class="code" href="classGosu_1_1Image.html" title="Provides functionality for drawing rectangular images.">Image</a>
<a name="l00016"></a>00016     {
<a name="l00017"></a>00017         boost::scoped_ptr&lt;ImageData&gt; data;
<a name="l00018"></a>00018 
<a name="l00019"></a>00019     <span class="keyword">public</span>:
<a name="l00025"></a>00025         <a class="code" href="classGosu_1_1Image.html#b7d4a07a578bc751f446bd60954ed0cd" title="Loads an image from a given filename that can be drawn onto graphics.">Image</a>(<a class="code" href="classGosu_1_1Graphics.html" title="Serves as the target of all drawing and provides basic drawing functionality.">Graphics</a>&amp; graphics, <span class="keyword">const</span> std::wstring&amp; filename,
<a name="l00026"></a>00026               <span class="keywordtype">bool</span> hardBorders = <span class="keyword">false</span>);
<a name="l00032"></a>00032         <a class="code" href="classGosu_1_1Image.html#b7d4a07a578bc751f446bd60954ed0cd" title="Loads an image from a given filename that can be drawn onto graphics.">Image</a>(<a class="code" href="classGosu_1_1Graphics.html" title="Serves as the target of all drawing and provides basic drawing functionality.">Graphics</a>&amp; graphics, <span class="keyword">const</span> std::wstring&amp; filename, <span class="keywordtype">unsigned</span> srcX,
<a name="l00033"></a>00033               <span class="keywordtype">unsigned</span> srcY, <span class="keywordtype">unsigned</span> srcWidth, <span class="keywordtype">unsigned</span> srcHeight,
<a name="l00034"></a>00034               <span class="keywordtype">bool</span> hardBorders = <span class="keyword">false</span>);
<a name="l00035"></a>00035         
<a name="l00038"></a>00038         <a class="code" href="classGosu_1_1Image.html#b7d4a07a578bc751f446bd60954ed0cd" title="Loads an image from a given filename that can be drawn onto graphics.">Image</a>(<a class="code" href="classGosu_1_1Graphics.html" title="Serves as the target of all drawing and provides basic drawing functionality.">Graphics</a>&amp; graphics, <span class="keyword">const</span> <a class="code" href="classGosu_1_1Bitmap.html" title="Rectangular area of pixels, each represented by a Color value.">Bitmap</a>&amp; source,
<a name="l00039"></a>00039             <span class="keywordtype">bool</span> hardBorders = <span class="keyword">false</span>);
<a name="l00042"></a>00042         <a class="code" href="classGosu_1_1Image.html#b7d4a07a578bc751f446bd60954ed0cd" title="Loads an image from a given filename that can be drawn onto graphics.">Image</a>(<a class="code" href="classGosu_1_1Graphics.html" title="Serves as the target of all drawing and provides basic drawing functionality.">Graphics</a>&amp; graphics, <span class="keyword">const</span> <a class="code" href="classGosu_1_1Bitmap.html" title="Rectangular area of pixels, each represented by a Color value.">Bitmap</a>&amp; source, <span class="keywordtype">unsigned</span> srcX,
<a name="l00043"></a>00043             <span class="keywordtype">unsigned</span> srcY, <span class="keywordtype">unsigned</span> srcWidth, <span class="keywordtype">unsigned</span> srcHeight,
<a name="l00044"></a>00044             <span class="keywordtype">bool</span> hardBorders = <span class="keyword">false</span>);
<a name="l00045"></a>00045 
<a name="l00046"></a>00046         ~<a class="code" href="classGosu_1_1Image.html" title="Provides functionality for drawing rectangular images.">Image</a>();
<a name="l00047"></a>00047 
<a name="l00048"></a>00048         <span class="keywordtype">unsigned</span> width() <span class="keyword">const</span>;
<a name="l00049"></a>00049         <span class="keywordtype">unsigned</span> height() <span class="keyword">const</span>;
<a name="l00050"></a>00050 
<a name="l00052"></a>00052         <span class="keywordtype">void</span> <a class="code" href="classGosu_1_1Image.html#7e6de0cae934109ba6c96434767f9540" title="Draws the image so its upper left corner is at (x; y).">draw</a>(<span class="keywordtype">double</span> x, <span class="keywordtype">double</span> y, <a class="code" href="namespaceGosu.html#a2fd8fe9574c0ad3fd52557cb160be49" title="Represents the Z position of something drawn with Gosu&amp;#39;s graphics system.">ZPos</a> z,
<a name="l00053"></a>00053             <span class="keywordtype">double</span> factorX = 1, <span class="keywordtype">double</span> factorY = 1,
<a name="l00054"></a>00054             <a class="code" href="classGosu_1_1Color.html" title="Represents an ARGB color value with 8 bits for each channel.">Color</a> c = Colors::white,
<a name="l00055"></a>00055             <a class="code" href="namespaceGosu.html#769656b1f560bc3d1bbdb47f8ca4eda9" title="Determines the way colors are combined when one is drawn onto another.">AlphaMode</a> mode = <a class="code" href="namespaceGosu.html#769656b1f560bc3d1bbdb47f8ca4eda9d1661cf5d3ba68fcbdca99f9dcc832e0" title="The color&amp;#39;s channels will be interpolated.">amDefault</a>) <span class="keyword">const</span>;
<a name="l00058"></a>00058         <span class="keywordtype">void</span> <a class="code" href="classGosu_1_1Image.html#6ee7e13d1def74cbf5e974fdc3b045a1" title="Like draw(), but allows to give modulation colors for all four corners.">drawMod</a>(<span class="keywordtype">double</span> x, <span class="keywordtype">double</span> y, <a class="code" href="namespaceGosu.html#a2fd8fe9574c0ad3fd52557cb160be49" title="Represents the Z position of something drawn with Gosu&amp;#39;s graphics system.">ZPos</a> z,
<a name="l00059"></a>00059             <span class="keywordtype">double</span> factorX, <span class="keywordtype">double</span> factorY,
<a name="l00060"></a>00060             <a class="code" href="classGosu_1_1Color.html" title="Represents an ARGB color value with 8 bits for each channel.">Color</a> c1, <a class="code" href="classGosu_1_1Color.html" title="Represents an ARGB color value with 8 bits for each channel.">Color</a> c2, <a class="code" href="classGosu_1_1Color.html" title="Represents an ARGB color value with 8 bits for each channel.">Color</a> c3, <a class="code" href="classGosu_1_1Color.html" title="Represents an ARGB color value with 8 bits for each channel.">Color</a> c4,
<a name="l00061"></a>00061             <a class="code" href="namespaceGosu.html#769656b1f560bc3d1bbdb47f8ca4eda9" title="Determines the way colors are combined when one is drawn onto another.">AlphaMode</a> mode = <a class="code" href="namespaceGosu.html#769656b1f560bc3d1bbdb47f8ca4eda9d1661cf5d3ba68fcbdca99f9dcc832e0" title="The color&amp;#39;s channels will be interpolated.">amDefault</a>) <span class="keyword">const</span>;
<a name="l00062"></a>00062 
<a name="l00072"></a>00072         <span class="keywordtype">void</span> <a class="code" href="classGosu_1_1Image.html#9333d4cb15b761020a82a41357ccb674" title="Draws the image rotated by the given angle so that its rotation center is at (x;...">drawRot</a>(<span class="keywordtype">double</span> x, <span class="keywordtype">double</span> y, <a class="code" href="namespaceGosu.html#a2fd8fe9574c0ad3fd52557cb160be49" title="Represents the Z position of something drawn with Gosu&amp;#39;s graphics system.">ZPos</a> z,
<a name="l00073"></a>00073             <span class="keywordtype">double</span> <a class="code" href="namespaceGosu.html#f7740dec821977a37ff26a90c2e85ac7" title="Returns the angle between two points in degrees, where 0.0 means upwards.">angle</a>, <span class="keywordtype">double</span> centerX = 0.5, <span class="keywordtype">double</span> centerY = 0.5,
<a name="l00074"></a>00074             <span class="keywordtype">double</span> factorX = 1, <span class="keywordtype">double</span> factorY = 1,
<a name="l00075"></a>00075             <a class="code" href="classGosu_1_1Color.html" title="Represents an ARGB color value with 8 bits for each channel.">Color</a> c = Colors::white,
<a name="l00076"></a>00076             <a class="code" href="namespaceGosu.html#769656b1f560bc3d1bbdb47f8ca4eda9" title="Determines the way colors are combined when one is drawn onto another.">AlphaMode</a> mode = <a class="code" href="namespaceGosu.html#769656b1f560bc3d1bbdb47f8ca4eda9d1661cf5d3ba68fcbdca99f9dcc832e0" title="The color&amp;#39;s channels will be interpolated.">amDefault</a>) <span class="keyword">const</span>;
<a name="l00077"></a>00077 
<a name="l00078"></a>00078 <span class="preprocessor">        #ifndef SWIG</span>
<a name="l00079"></a>00079 <span class="preprocessor"></span>        <span class="keywordtype">void</span> drawRotFlip(<span class="keywordtype">double</span> x, <span class="keywordtype">double</span> y, <a class="code" href="namespaceGosu.html#a2fd8fe9574c0ad3fd52557cb160be49" title="Represents the Z position of something drawn with Gosu&amp;#39;s graphics system.">ZPos</a> z,
<a name="l00080"></a>00080             RotFlip rf,
<a name="l00081"></a>00081             <span class="keywordtype">double</span> factorX = 1, <span class="keywordtype">double</span> factorY = 1,
<a name="l00082"></a>00082             <a class="code" href="classGosu_1_1Color.html" title="Represents an ARGB color value with 8 bits for each channel.">Color</a> c = Colors::white,
<a name="l00083"></a>00083             <a class="code" href="namespaceGosu.html#769656b1f560bc3d1bbdb47f8ca4eda9" title="Determines the way colors are combined when one is drawn onto another.">AlphaMode</a> mode = <a class="code" href="namespaceGosu.html#769656b1f560bc3d1bbdb47f8ca4eda9d1661cf5d3ba68fcbdca99f9dcc832e0" title="The color&amp;#39;s channels will be interpolated.">amDefault</a>) <span class="keyword">const</span>;
<a name="l00084"></a>00084         <span class="keywordtype">void</span> drawRotFlipMod(<span class="keywordtype">double</span> x, <span class="keywordtype">double</span> y, <a class="code" href="namespaceGosu.html#a2fd8fe9574c0ad3fd52557cb160be49" title="Represents the Z position of something drawn with Gosu&amp;#39;s graphics system.">ZPos</a> z,
<a name="l00085"></a>00085             RotFlip rf,
<a name="l00086"></a>00086             <span class="keywordtype">double</span> factorX, <span class="keywordtype">double</span> factorY,
<a name="l00087"></a>00087             <a class="code" href="classGosu_1_1Color.html" title="Represents an ARGB color value with 8 bits for each channel.">Color</a> c1, <a class="code" href="classGosu_1_1Color.html" title="Represents an ARGB color value with 8 bits for each channel.">Color</a> c2, <a class="code" href="classGosu_1_1Color.html" title="Represents an ARGB color value with 8 bits for each channel.">Color</a> c3, <a class="code" href="classGosu_1_1Color.html" title="Represents an ARGB color value with 8 bits for each channel.">Color</a> c4,
<a name="l00088"></a>00088             <a class="code" href="namespaceGosu.html#769656b1f560bc3d1bbdb47f8ca4eda9" title="Determines the way colors are combined when one is drawn onto another.">AlphaMode</a> mode = <a class="code" href="namespaceGosu.html#769656b1f560bc3d1bbdb47f8ca4eda9d1661cf5d3ba68fcbdca99f9dcc832e0" title="The color&amp;#39;s channels will be interpolated.">amDefault</a>) <span class="keyword">const</span>;
<a name="l00089"></a>00089 
<a name="l00091"></a>00091         <span class="keyword">const</span> <a class="code" href="classGosu_1_1ImageData.html" title="The ImageData class is an abstract base class for drawable images.">ImageData</a>&amp; <a class="code" href="classGosu_1_1Image.html#cbd542bae8e42ccc72442326e578c2c2" title="Provides access to the underlying image data object.">getData</a>() <span class="keyword">const</span>;
<a name="l00092"></a>00092 <span class="preprocessor">        #endif</span>
<a name="l00093"></a>00093 <span class="preprocessor"></span>    };
<a name="l00094"></a>00094 
<a name="l00103"></a>00103     <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Container&gt;
<a name="l00104"></a><a class="code" href="namespaceGosu.html#b347c1ac66f7c276cc505acb62947b23">00104</a>     <span class="keywordtype">void</span> <a class="code" href="namespaceGosu.html#b347c1ac66f7c276cc505acb62947b23" title="Convenience function that splits a BMP or PNG file into an area of small rectangles...">imagesFromTiledBitmap</a>(<a class="code" href="classGosu_1_1Graphics.html" title="Serves as the target of all drawing and provides basic drawing functionality.">Graphics</a>&amp; graphics, <span class="keyword">const</span> std::wstring&amp; filename,
<a name="l00105"></a>00105         <span class="keywordtype">int</span> tileWidth, <span class="keywordtype">int</span> tileHeight, <span class="keywordtype">bool</span> hardBorders, Container&amp; appendTo)
<a name="l00106"></a>00106     {
<a name="l00107"></a>00107         <a class="code" href="namespaceGosu.html#b347c1ac66f7c276cc505acb62947b23" title="Convenience function that splits a BMP or PNG file into an area of small rectangles...">imagesFromTiledBitmap</a>(graphics, quickLoadBitmap(filename), tileWidth, tileHeight, hardBorders, appendTo);
<a name="l00108"></a>00108     }
<a name="l00109"></a>00109 
<a name="l00118"></a>00118     <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Container&gt;
<a name="l00119"></a><a class="code" href="namespaceGosu.html#823d62ccac7a28ea78ea0a987687d649">00119</a>     <span class="keywordtype">void</span> <a class="code" href="namespaceGosu.html#b347c1ac66f7c276cc505acb62947b23" title="Convenience function that splits a BMP or PNG file into an area of small rectangles...">imagesFromTiledBitmap</a>(<a class="code" href="classGosu_1_1Graphics.html" title="Serves as the target of all drawing and provides basic drawing functionality.">Graphics</a>&amp; graphics, <span class="keyword">const</span> <a class="code" href="classGosu_1_1Bitmap.html" title="Rectangular area of pixels, each represented by a Color value.">Bitmap</a>&amp; bmp,
<a name="l00120"></a>00120         <span class="keywordtype">int</span> tileWidth, <span class="keywordtype">int</span> tileHeight, <span class="keywordtype">bool</span> hardBorders, Container&amp; appendTo)
<a name="l00121"></a>00121     {
<a name="l00122"></a>00122         <span class="keywordtype">int</span> tilesX, tilesY;
<a name="l00123"></a>00123 
<a name="l00124"></a>00124         <span class="keywordflow">if</span> (tileWidth &gt; 0)
<a name="l00125"></a>00125             tilesX = bmp.<a class="code" href="classGosu_1_1Bitmap.html#eb1d21d261788c77aba770361ccdb09f">width</a>() / tileWidth;
<a name="l00126"></a>00126         <span class="keywordflow">else</span>
<a name="l00127"></a>00127         {
<a name="l00128"></a>00128             tilesX = -tileWidth;
<a name="l00129"></a>00129             tileWidth = bmp.<a class="code" href="classGosu_1_1Bitmap.html#eb1d21d261788c77aba770361ccdb09f">width</a>() / tilesX;
<a name="l00130"></a>00130         }
<a name="l00131"></a>00131         
<a name="l00132"></a>00132         <span class="keywordflow">if</span> (tileHeight &gt; 0)
<a name="l00133"></a>00133             tilesY = bmp.<a class="code" href="classGosu_1_1Bitmap.html#fc5a1fdaaf0453834c3b9ac13342eae6">height</a>() / tileHeight;
<a name="l00134"></a>00134         <span class="keywordflow">else</span>
<a name="l00135"></a>00135         {
<a name="l00136"></a>00136             tilesY = -tileHeight;
<a name="l00137"></a>00137             tileHeight = bmp.<a class="code" href="classGosu_1_1Bitmap.html#fc5a1fdaaf0453834c3b9ac13342eae6">height</a>() / tilesY;
<a name="l00138"></a>00138         }
<a name="l00139"></a>00139         
<a name="l00140"></a>00140         <span class="keywordflow">for</span> (<span class="keywordtype">int</span> y = 0; y &lt; tilesY; ++y)
<a name="l00141"></a>00141             <span class="keywordflow">for</span> (<span class="keywordtype">int</span> x = 0; x &lt; tilesX; ++x)
<a name="l00142"></a>00142                 appendTo.push_back(<span class="keyword">typename</span> Container::value_type(<span class="keyword">new</span> <a class="code" href="classGosu_1_1Image.html" title="Provides functionality for drawing rectangular images.">Image</a>(graphics, bmp,
<a name="l00143"></a>00143                     x * tileWidth, y * tileHeight, tileWidth, tileHeight,
<a name="l00144"></a>00144                     hardBorders)));
<a name="l00145"></a>00145     }
<a name="l00146"></a>00146 }
<a name="l00147"></a>00147 
<a name="l00148"></a>00148 <span class="preprocessor">#endif</span>
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