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If you are getting text width error for win32 api this user guide is here to help.
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In addition to providing guidance on the width of individual characters, applications also need to calculate the total width and top margin of strings. Two functions measure the width and height of the line: GetTextExtentPoint32 and just GetTabbedTextExtent . If the string does not need to contain tabs, an application can use the GetTextExtentPoint32 function to restore the width and height of a specific specified string. If the string contains tabs, the application must call the gettabbedtextextent function.
Applications can use the GetTextExtentExPoint hyphenation function for operations. This function returns the number of people from the specified string that fit into the specified space.
Top And Bottom Font Elements
Some applications define line spacing between lines of text of different colors using ascending and descending font order that does not match. An application can get them by calling the values of this GetTextMetrics function and then checking our own tmAscent and tmDescent members likelike TEXTMETRIC .
Maximum ascent and descent alternate between typographic and beautiful ascent. In TrueType and OpenType fonts, this is a kind of typographic rise and fall, usually the top of the worm glyph and the bottom of the h glyph. An application can get some typographic descendants and descendants for a TrueType or OpenType font by calling one of our GetOutlineTextMetrics functions and otmMacAscent and otmMacDescent read tags to check the OUTLINETEXTMETRIC structure.
The following sum shows the difference between the vertical empty text metric values returned in this NEWTEXTMETRIC and OUTLINETEXTMETRIC structure. (Scene names starting with otm are members of this particular OUTLINETEXTMETRIC structure.)
Font Sizes
The application must be sure to get the physical dimensions of the new TrueType or OpenType fonts by calling the getoutlinetextmetrics function. The Can tool gets the physical dimensions of almost any other font by calling the GetTextMetrics function. To determine the dimensions of the output device, an application can call us and use the GetDeviceCaps function. Getdevicecaps inReturns both physical and logical dimensions.
Realistic inch is the size that the body uses to display readable font on the screen, and it is about 30-40% larger than the physical inch. The use of taxonomy precludes a precise custom agreement for the release of the screen and printer. Developers need to know what text is on the screen, not just the scaled version behind the text that appears after the page, especially when graphics are usually embedded in text.
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Can you measure our string width in WIN32 more exclusively than using the GetTextMetrics function and tmAveCharWidth * strSize?
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