Make a named spot color from the current color.

蛁 The transparent color is a property of the image, transparency is not a property of the color. Once you have a set a color to be the transparent color, any regions of the image in that color that were drawn previously will be transparent.

This function is guaranteed to return a color index for a requested color, either the exact color or the closest possible alternative.

灰色Color Model Monochrome

首色 second color for border effect

Set the current fill and stroke color.

Set the border color for all kinds of annotations.

Set the current fill color to the supplied RGB values.

Set the current stroke color to the supplied RGB values.

Fill the interior of the path with the current fill color.

Reset all implicit color and graphics state parameters to their defaults.

Fill and stroke the path with the current fill and stroke color.

Set the current fill and stroke color to the supplied RGB values.

瞰赽 1. Checking a color name against a shell wildcard pattern.

Stroke the path with the current color and line width, and clear it.

Returns the index of the specified color in the palette of the image.

If the color does not exist in the image's palette, 1 is returned.

Set the current fill color to a gray value between 0 and 1 inclusive.

Set the current stroke color to a gray value between 0 and 1 inclusive

在此选择要使用的文本旋转角度 font color

Returns the index of the color of the pixel at the specified location in the image specified by image.

This returns an associative array with red, green, and blue keys that contain the appropriate values for the specified color index.

在此设定在图像周围添加的边框宽度像素值 first color for border effect

dither indicates if the image should be dithered if it is TRUE then dithering will be used which will result in a more speckled image but with better color approximation.

With JPG images, two extra indexes are returned channels and bits. channels will be 3 for RGB pictures and 4 for CMYK pictures. bits is the number of bits for each color.

This sets the specified index in the palette to the specified color. This is useful for creating flood fill like effects in paletted images without the overhead of performing the actual flood fill.

In this example, we first define a base class and an extension of the class. The base class describes a general vegetable, whether it is edible or not and what is its color. The subclass Spinach adds a method to cook it and another to find out if it is cooked.

Beginning with PHP 4.3, bits and channels are present for other image types, too. However, the presence of these values can be a bit confusing. As an example, GIF always uses 3 channels per pixel, but the number of bits per pixel cannot be calculated for an animated GIF with a global color table.

我心中其中一位英雄人物是歌曲创作者 Ally Willis 她刚刚写了一首叫 the color purple 的歌曲 她曾经是R B的作曲者 这也是她说 关于作曲应往哪里去