Lines Matching full:brightness
59 <p class="text-center"><a href="command-line-options.html#adaptive-blur">‑adaptive‑blur</a> ? <a href="command-line-options.html#adaptive-resize">‑adaptive‑resize</a> ? <a href="command-line-options.html#adaptive-sharpen">‑adaptive‑sharpen</a> ? <a href="command-line-options.html#adjoin">‑adjoin</a> ? <a href="command-line-options.html#affine">‑affine</a> ? <a href="command-line-options.html#alpha">‑alpha</a> ? <a href="command-line-options.html#alpha-color">‑alpha‑color</a> ? <a href="command-line-options.html#annotate">‑annotate</a> ? <a href="command-line-options.html#antialias">‑antialias</a> ? <a href="command-line-options.html#append">‑append</a> ? <a href="command-line-options.html#attenuate">‑attenuate</a> ? <a href="command-line-options.html#authenticate">‑authenticate</a> ? <a href="command-line-options.html#auto-gamma">‑auto‑gamma</a> ? <a href="command-line-options.html#auto-level">‑auto‑level</a> ? <a href="command-line-options.html#auto-orient">‑auto‑orient</a> ? <a href="command-line-options.html#backdrop">‑backdrop</a> ? <a href="command-line-options.html#background">‑background</a> ? <a href="command-line-options.html#bench">‑bench</a> ? <a href="command-line-options.html#bias">‑bias</a> ? <a href="command-line-options.html#black-point-compensation">‑black‑point‑compensation</a> ? <a href="command-line-options.html#black-threshold">‑black‑threshold</a> ? <a href="command-line-options.html#blend">‑blend</a> ? <a href="command-line-options.html#blue-primary">‑blue‑primary</a> ? <a href="command-line-options.html#blue-shift">‑blue‑shift</a> ? <a href="command-line-options.html#blur">‑blur</a> ? <a href="command-line-options.html#border">‑border</a> ? <a href="command-line-options.html#bordercolor">‑bordercolor</a> ? <a href="command-line-options.html#borderwidth">‑borderwidth</a> ? <a href="command-line-options.html#brightness-contrast">‑brightness-options.html#transpose">‑transpose</a> ? <a href="command-line-options.html#transverse">‑transverse</a> ? <a href="command-line-options.html#treedepth">‑treedepth</a> ? <a href="command-line-options.html#trim">‑trim</a> ? <a href="command-line-options.html#type">‑type</a> ? <a href="command-line-options.html#undercolor">‑undercolor</a> ? <a href="command-line-options.html#unique-colors">‑unique‑colors</a> ? <a href="command-line-options.html#units">‑units</a> ? <a href="command-line-options.html#unsharp">‑unsharp</a> ? <a href="command-line-options.html#update">‑update</a> ? <a href="command-line-options.html#verbose">‑verbose</a> ? <a href="command-line-options.html#version">‑version</a> ? <a href="command-line-options.html#view">‑view</a> ? <a href="command-line-options.html#vignette">‑vignette</a> ? <a href="command-line-options.html#virtual-pixel">‑virtual‑pixel</a> ? <a href="command-line-options.html#visual">‑visual</a> ? <a href="command-line-options.html#watermark">‑watermark</a> ? <a href="command-line-options.html#wave">‑wave</a> ? <a href="command-line-options.html#wavelet-denoise">‑wavelet‑denoise</a> ? <a href="command-line-options.html#weight">‑weight</a> ? <a href="command-line-options.html#white-point">‑white‑point</a> ? <a href="command-line-options.html#white-threshold">‑white‑threshold</a> ? <a href="command-line-options.html#window">‑window</a> ? <a href="command-line-options.html#window-group">‑window‑group</a> ? <a href="command-line-options.html#write">‑write</a> </p>
723 <h3 class="magick-header"><a id="brightness-contrast"></a>-brightness-contrast <var>brightness</var><br />-brightness-contrast <var>brightness</var>{x<var>contrast</var>}{<var>%</var>}</h3>
726 <p class="magick-description">Adjust the brightness and/or contrast of the image.</p>
728 <p>Brightness and Contrast values apply changes to the input image. They are
729 not absolute settings. A brightness or contrast value of zero means no change.
731 brightness or contrast and negative values decrease the brightness or contrast.
732 To control only contrast, set the brightness=0. To control only brightness,
736 apply the brightness and/or contrast change. The default is to apply the same
739 <p>Brightness and Contrast arguments are converted to offset and slope of a
744 contrast=+100. For brightness=0 and contrast=-100, the result are totally
745 midgray. For brightness=0 and contrast=+100, the result will approach but
752 <p>The offset varies from -0.5 at brightness=-100 to 0 at brightness=0 to +0.5
753 at brightness=+100. Thus, when contrast=0 and brightness=100, the result is
754 totally white. Similarly, when contrast=0 and brightness=-100, the result is
1244 <tr><th valign="middle">HSB ? Hue, Saturation, Brightness; like a cone peak downward</th></tr>
4694 <dt>Brightness</dt><dd> max(R', G', B')</dd>
5741 <h3 class="magick-header"><a id="modulate"></a>-modulate <var>brightness</var>[,<var>saturation</var>,<var>hue</var>]</h3>
5744 <p class="magick-description">Vary the <var>brightness</var>, <var>saturation</var>, and <var>hue</var> of an image.</p>
5749 <p>The <var>brightness</var> is a multiplier of the overall
5750 brightness of the image, so 0 means pure black, 50 is half as bright, 200 is
5765 <p>For example, to increase the color brightness by 20% and decrease the color
6228 Brightness
7021 <p>To achieve the equivalent of a sigmoidal brightness change (similar to
7023 {brightness}x0%</var> to increase brightness and <var>+sigmoidal-contrast {brightness}x0%</var> to decrease brightness.
7340 brightness will reflect this. Other bright 'peaks' can be used to locate other
7838 <h3 class="magick-header"><a id="watermark"></a>-watermark <var>brightness</var>x<var>saturation</var></h3>
7841 <p class="magick-description">Watermark an image using the given percentages of brightness and saturation.</p>
7844 brightness according to watermark image's grayscale value and the
7845 <var>brightness</var> percentage. The destinations color saturation