encoderutil.html

jfreechart最新源代码

<FONT color="green">129</FONT>         * @param image  The image to be encoded.<a name="line.129"></a>
<FONT color="green">130</FONT>         * @param format  The {@link ImageFormat} to use.<a name="line.130"></a>
<FONT color="green">131</FONT>         * @param outputStream  The OutputStream to write the encoded image to.<a name="line.131"></a>
<FONT color="green">132</FONT>         * @throws IOException<a name="line.132"></a>
<FONT color="green">133</FONT>         */<a name="line.133"></a>
<FONT color="green">134</FONT>        public static void writeBufferedImage(BufferedImage image, String format, <a name="line.134"></a>
<FONT color="green">135</FONT>            OutputStream outputStream) throws IOException {<a name="line.135"></a>
<FONT color="green">136</FONT>            ImageEncoder imageEncoder = ImageEncoderFactory.newInstance(format);<a name="line.136"></a>
<FONT color="green">137</FONT>            imageEncoder.encode(image, outputStream);<a name="line.137"></a>
<FONT color="green">138</FONT>        }<a name="line.138"></a>
<FONT color="green">139</FONT>    <a name="line.139"></a>
<FONT color="green">140</FONT>        /**<a name="line.140"></a>
<FONT color="green">141</FONT>         * Encode the image in a specific format and write it to an OutputStream.<a name="line.141"></a>
<FONT color="green">142</FONT>         *<a name="line.142"></a>
<FONT color="green">143</FONT>         * @param image  The image to be encoded.<a name="line.143"></a>
<FONT color="green">144</FONT>         * @param format  The {@link ImageFormat} to use.<a name="line.144"></a>
<FONT color="green">145</FONT>         * @param outputStream  The OutputStream to write the encoded image to.<a name="line.145"></a>
<FONT color="green">146</FONT>         * @param quality  The quality to use for the image encoding (not <a name="line.146"></a>
<FONT color="green">147</FONT>         *                 supported by all ImageEncoders).<a name="line.147"></a>
<FONT color="green">148</FONT>         * @throws IOException<a name="line.148"></a>
<FONT color="green">149</FONT>         */<a name="line.149"></a>
<FONT color="green">150</FONT>        public static void writeBufferedImage(BufferedImage image, String format, <a name="line.150"></a>
<FONT color="green">151</FONT>            OutputStream outputStream, float quality) throws IOException {<a name="line.151"></a>
<FONT color="green">152</FONT>            ImageEncoder imageEncoder <a name="line.152"></a>
<FONT color="green">153</FONT>                = ImageEncoderFactory.newInstance(format, quality);<a name="line.153"></a>
<FONT color="green">154</FONT>            imageEncoder.encode(image, outputStream);<a name="line.154"></a>
<FONT color="green">155</FONT>        }<a name="line.155"></a>
<FONT color="green">156</FONT>    <a name="line.156"></a>
<FONT color="green">157</FONT>        /**<a name="line.157"></a>
<FONT color="green">158</FONT>         * Encode the image in a specific format and write it to an OutputStream.<a name="line.158"></a>
<FONT color="green">159</FONT>         *<a name="line.159"></a>
<FONT color="green">160</FONT>         * @param image  The image to be encoded.<a name="line.160"></a>
<FONT color="green">161</FONT>         * @param format  The {@link ImageFormat} to use.<a name="line.161"></a>
<FONT color="green">162</FONT>         * @param outputStream  The OutputStream to write the encoded image to.<a name="line.162"></a>
<FONT color="green">163</FONT>         * @param encodeAlpha  Whether to encode alpha transparency (not <a name="line.163"></a>
<FONT color="green">164</FONT>         *                     supported by all ImageEncoders).<a name="line.164"></a>
<FONT color="green">165</FONT>         * @throws IOException<a name="line.165"></a>
<FONT color="green">166</FONT>         */<a name="line.166"></a>
<FONT color="green">167</FONT>        public static void writeBufferedImage(BufferedImage image, String format, <a name="line.167"></a>
<FONT color="green">168</FONT>            OutputStream outputStream, boolean encodeAlpha) throws IOException {<a name="line.168"></a>
<FONT color="green">169</FONT>            ImageEncoder imageEncoder <a name="line.169"></a>
<FONT color="green">170</FONT>                = ImageEncoderFactory.newInstance(format, encodeAlpha);<a name="line.170"></a>
<FONT color="green">171</FONT>            imageEncoder.encode(image, outputStream);<a name="line.171"></a>
<FONT color="green">172</FONT>        }<a name="line.172"></a>
<FONT color="green">173</FONT>    <a name="line.173"></a>
<FONT color="green">174</FONT>        /**<a name="line.174"></a>
<FONT color="green">175</FONT>         * Encode the image in a specific format and write it to an OutputStream.<a name="line.175"></a>
<FONT color="green">176</FONT>         *<a name="line.176"></a>
<FONT color="green">177</FONT>         * @param image  The image to be encoded.<a name="line.177"></a>
<FONT color="green">178</FONT>         * @param format  The {@link ImageFormat} to use.<a name="line.178"></a>
<FONT color="green">179</FONT>         * @param outputStream  The OutputStream to write the encoded image to.<a name="line.179"></a>
<FONT color="green">180</FONT>         * @param quality  The quality to use for the image encoding (not <a name="line.180"></a>
<FONT color="green">181</FONT>         *                 supported by all ImageEncoders).<a name="line.181"></a>
<FONT color="green">182</FONT>         * @param encodeAlpha  Whether to encode alpha transparency (not supported <a name="line.182"></a>
<FONT color="green">183</FONT>         *                     by all ImageEncoders).<a name="line.183"></a>
<FONT color="green">184</FONT>         * @throws IOException<a name="line.184"></a>
<FONT color="green">185</FONT>         */<a name="line.185"></a>
<FONT color="green">186</FONT>        public static void writeBufferedImage(BufferedImage image, String format, <a name="line.186"></a>
<FONT color="green">187</FONT>            OutputStream outputStream, float quality, boolean encodeAlpha) <a name="line.187"></a>
<FONT color="green">188</FONT>            throws IOException {<a name="line.188"></a>
<FONT color="green">189</FONT>            ImageEncoder imageEncoder <a name="line.189"></a>
<FONT color="green">190</FONT>                = ImageEncoderFactory.newInstance(format, quality, encodeAlpha);<a name="line.190"></a>
<FONT color="green">191</FONT>            imageEncoder.encode(image, outputStream);<a name="line.191"></a>
<FONT color="green">192</FONT>        }<a name="line.192"></a>
<FONT color="green">193</FONT>    <a name="line.193"></a>
<FONT color="green">194</FONT>    }<a name="line.194"></a>




























































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