Flattened pixmap - Revision history

Q at 00:48, 7 May 2020

2020-05-07T00:48:24Z

← Older revision		Revision as of 00:48, 7 May 2020
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	A flattened pixmap is converted to the LabVIEW [[picture]] data type by using the Draw Flattened Pixmap VI.		A flattened pixmap is converted to the LabVIEW [[picture]] data type by using the Draw Flattened Pixmap VI.

	[[~~category~~:data ~~types~~]]		[[Category:Cluster data type]]
	[[~~category~~:~~graphics~~]]		[[Category:Graphics]]

Michael_Aivaliotis at 10:01, 8 October 2007

2007-10-08T10:01:02Z

← Older revision		Revision as of 10:01, 8 October 2007
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	A flattened pixmap is converted to the LabVIEW [[picture]] data type by using the Draw Flattened Pixmap VI.		A flattened pixmap is converted to the LabVIEW [[picture]] data type by using the Draw Flattened Pixmap VI.

			[[category:data types]]
			[[category:graphics]]

Eaolson: adding 32 bit back in, see discussion page

2007-09-06T22:13:20Z

adding 32 bit back in, see discussion page

← Older revision		Revision as of 22:13, 6 September 2007
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	A flattened pixmap is a cluster consisting of 6 elements:		A flattened pixmap is a cluster consisting of 6 elements:
	# '''image type''' is reserved for a future use. It should be 0. It is a U16.		# '''image type''' is reserved for a future use. It should be 0. It is a U16.
	# '''image depth''' describes the bit depth of the colors in the image. It's value affects how the '''image''' and '''colors''' elements are interpreted. Valid values are: 1, 4, 8 and 24. It is a U8.		# '''image depth''' describes the bit depth of the colors in the image. It's value affects how the '''image''' and '''colors''' elements are interpreted. Valid values are: 1, 4, 8, 24, and 32. It is a U8.
	# '''image''' is an one-dimensional array of U8s describing the color of each pixel. The meaning of this array changes depending on the value of '''image depth''':		# '''image''' is an one-dimensional array of U8s describing the color of each pixel. The meaning of this array changes depending on the value of '''image depth''':
	#* For 1-, 4-, and 8-bit images m x n pixels in size, '''image''' is m*n elements long. Each pixel value contains an index into the '''colors''' array, which contains the actual color for the pixel.		#* For 1-, 4-, and 8-bit images m x n pixels in size, '''image''' is m*n elements long. Each pixel value contains an index into the '''colors''' array, which contains the actual color for the pixel.

Tcplomp: /* Elements */ Removed 32 bit color

2007-09-06T18:53:27Z

Elements: Removed 32 bit color

← Older revision		Revision as of 18:53, 6 September 2007
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	A flattened pixmap is a cluster consisting of 6 elements:		A flattened pixmap is a cluster consisting of 6 elements:
	# '''image type''' is reserved for a future use. It should be 0. It is a U16.		# '''image type''' is reserved for a future use. It should be 0. It is a U16.
	# '''image depth''' describes the bit depth of the colors in the image. It's value affects how the '''image''' and '''colors''' elements are interpreted. Valid values are: 1, 4, 8, 24~~, and 32~~. It is a U8.		# '''image depth''' describes the bit depth of the colors in the image. It's value affects how the '''image''' and '''colors''' elements are interpreted. Valid values are: 1, 4, 8 and 24. It is a U8.
	# '''image''' is an one-dimensional array of U8s describing the color of each pixel. The meaning of this array changes depending on the value of '''image depth''':		# '''image''' is an one-dimensional array of U8s describing the color of each pixel. The meaning of this array changes depending on the value of '''image depth''':
	#* For 1-, 4-, and 8-bit images m x n pixels in size, '''image''' is m*n elements long. Each pixel value contains an index into the '''colors''' array, which contains the actual color for the pixel.		#* For 1-, 4-, and 8-bit images m x n pixels in size, '''image''' is m*n elements long. Each pixel value contains an index into the '''colors''' array, which contains the actual color for the pixel.

Eaolson: /* Elements */ pads to the end of an even number of bytes, not the end of the current byte

2007-09-06T00:40:39Z

Elements: pads to the end of an even number of bytes, not the end of the current byte

← Older revision		Revision as of 00:40, 6 September 2007
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	#* For 24-bit images m x n pixels in size, '''image''' is 3mn elements long. The elements are the red, green, and blue components for each pixel, in order.		#* For 24-bit images m x n pixels in size, '''image''' is 3mn elements long. The elements are the red, green, and blue components for each pixel, in order.
	#* For 32-bit images m x n pixels in size, '''image''' is 4mn elements long. This structure is the same as for 24-bit images, but includes a transparency element.		#* For 32-bit images m x n pixels in size, '''image''' is 4mn elements long. This structure is the same as for 24-bit images, but includes a transparency element.
	# '''Mask''' is a one-dimensional array of U8s that bitwise sets the transparency of a pixel. A bit-value of 0 makes the pixel transparent.		# '''Mask''' is a one-dimensional array of U8s that bitwise sets the transparency of a pixel. A bit-value of 0 makes the pixel transparent. The mask array handles each row of the image in order, padding with zeros to the end of an even-numbered byte if necessary.
	# '''colors''' is a one-dimensional array of U32s listing the [[color]] palette for an indexed (1-, 4-, or 8-bit) image. The array will be up to 2, 16 or 256 elements long for 1-, 4-, and 8-bit images, respectively. For 24- or 32-bit images the array will be empty.		# '''colors''' is a one-dimensional array of U32s listing the [[color]] palette for an indexed (1-, 4-, or 8-bit) image. The array will be up to 2, 16 or 256 elements long for 1-, 4-, and 8-bit images, respectively. For 24- or 32-bit images the array will be empty.
	# '''Rectangle''' is a cluster describing the size of the image. It contains four elements as I16s: '''left''', '''top''', '''right''', and '''bottom'''. Usually, '''left''' and '''top''' are zero, so '''right''' and '''bottom''' are the width and height of the image, respectively.		# '''Rectangle''' is a cluster describing the size of the image. It contains four elements as I16s: '''left''', '''top''', '''right''', and '''bottom'''. Usually, '''left''' and '''top''' are zero, so '''right''' and '''bottom''' are the width and height of the image, respectively.

Tcplomp: Added mask

2007-09-03T11:48:32Z

Added mask

← Older revision		Revision as of 11:48, 3 September 2007
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	#* For 24-bit images m x n pixels in size, '''image''' is 3mn elements long. The elements are the red, green, and blue components for each pixel, in order.		#* For 24-bit images m x n pixels in size, '''image''' is 3mn elements long. The elements are the red, green, and blue components for each pixel, in order.
	#* For 32-bit images m x n pixels in size, '''image''' is 4mn elements long. This structure is the same as for 24-bit images, but includes a transparency element.		#* For 32-bit images m x n pixels in size, '''image''' is 4mn elements long. This structure is the same as for 24-bit images, but includes a transparency element.
			# '''Mask''' is a one-dimensional array of U8s that bitwise sets the transparency of a pixel. A bit-value of 0 makes the pixel transparent.
	# '''colors''' is a one-dimensional array of U32s listing the [[color]] palette for an indexed (1-, 4-, or 8-bit) image. The array will be up to 2, 16 or 256 elements long for 1-, 4-, and 8-bit images, respectively. For 24- or 32-bit images the array will be empty.		# '''colors''' is a one-dimensional array of U32s listing the [[color]] palette for an indexed (1-, 4-, or 8-bit) image. The array will be up to 2, 16 or 256 elements long for 1-, 4-, and 8-bit images, respectively. For 24- or 32-bit images the array will be empty.
	# '''Rectangle''' is a cluster describing the size of the image. It contains four elements as I16s: '''left''', '''top''', '''right''', and '''bottom'''. Usually, '''left''' and '''top''' are zero, so '''right''' and '''bottom''' are the width and height of the image, respectively.		# '''Rectangle''' is a cluster describing the size of the image. It contains four elements as I16s: '''left''', '''top''', '''right''', and '''bottom'''. Usually, '''left''' and '''top''' are zero, so '''right''' and '''bottom''' are the width and height of the image, respectively.

Eaolson: this is a start

2007-09-02T22:20:30Z

this is a start

@@ Line 1: / Line 1: @@
-The '''flattened pixmap''' is a structure used to load and same images to and from disk.
+The '''flattened pixmap''' is a structure used to load and save images to and from disk.
 ==Elements==
@@ Line 7: / Line 7: @@
 # '''image''' is an one-dimensional array of U8s describing the color of each pixel. The meaning of this array changes depending on the value of '''image depth''':
 #* For 1-, 4-, and 8-bit images m x n pixels in size, '''image''' is m*n elements long. Each pixel value contains an index into the '''colors''' array, which contains the actual color for the pixel.
-#* For 24-bit images m x n pixels in size, '''image''' is 3*m*n elements long.
+#* For 24-bit images m x n pixels in size, '''image''' is 3*m*n elements long. The elements are the red, green, and blue components for each pixel, in order.

Eaolson: started this article, but I have to go! I'll finish it later.

2007-09-02T19:54:49Z

started this article, but I have to go! I'll finish it later.

New page

The '''flattened pixmap''' is a structure used to load and same images to and from disk.

==Elements==
A flattened pixmap is a cluster consisting of 6 elements:
# '''image type''' is reserved for a future use. It should be 0. It is a U16.
# '''image depth''' describes the bit depth of the colors in the image. It's value affects how the '''image''' and '''colors''' elements are interpreted. Valid values are: 1, 4, 8, 24, and 32. It is a U8.
# '''image''' is an one-dimensional array of U8s describing the color of each pixel. The meaning of this array changes depending on the value of '''image depth''':
#* For 1-, 4-, and 8-bit images m x n pixels in size, '''image''' is m*n elements long. Each pixel value contains an index into the '''colors''' array, which contains the actual color for the pixel.
#* For 24-bit images m x n pixels in size, '''image''' is 3*m*n elements long.