text color change
Blitz3D Forums/Blitz3D Programming/text color change
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| I'm writing a client but am unsure how or the best way to do this. I need to display the line read into different colors but cannot seem to change colors in the text command. Say I wanted to text "HOME" Each letter in a different color how to do so? For example... Text 100,100 "H"+color1+"O"+color2+"M"+color3+"e" Or would I be better off using images....speed is an issue. Thanks for any help |
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| The colour of the result of the "Text" command is set by "Color". This means you have to change color in between calls (you'll definitely need a custom solution if you want to encode colours into the passed string). You probably are better off using some image-based system, as Text is very, very slow; but how to do it depends on the structure and nature of your application. Last edited 2012 |
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I have tried something like this before using this code:Graphics 800, 600, 0, 2 Type tCol Field fRed Field fGreen Field fBlue End Type ; Init colors Global ColRed.tCol = New tCol ColRed\fRed = 255 ColRed\fGreen = 0 ColRed\fBlue = 0 Global ColGreen.tCol = New tCol ColGreen\fRed = 0 ColGreen\fGreen = 255 ColGreen\fBlue = 0 Global ColBlue.tCol = New tCol ColBlue\fRed = 0 ColBlue\fGreen = 0 ColBlue\fBlue = 255 Global ColWhite.tCol = New tCol ColWhite\fRed = 255 ColWhite\fGreen = 255 ColWhite\fBlue = 255 Global ColYellow.tCol = New tCol ColYellow\fRed = 255 ColYellow\fGreen = 255 ColYellow\fBlue = 0 PrintColored3(ColRed, "This ", ColGreen, "is ", ColBlue, "a test") PrintColored3(ColWhite, "using multi-", ColYellow, "colored lines ", ColRed, "on one line") WaitKey() End Function PrintColored3(Col1.tCol, String1$, Col2.tCol, String2$, Col3.tCol, String3$) Color Col1\fRed, Col1\fGreen, Col1\fBlue Write String1$ Color Col2\fRed, Col2\fGreen, Col2\fBlue Write String2$ Color Col3\fRed, Col3\fGreen, Col3\fBlue Print String3$ End Function It uses the "Write" command instead of "Print", as Write does the same without actually ending the line. Only the last part of the text uses "Print" to end the line. It uses custom types to setup the colors, but you can modify it to use hex-codes if you like (or anything else). If you need more parameters (more or less than 3), you can write a similar function and add a new parameter so you can have 4 or 5 different colors on one line. Last edited 2012 |
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| Very quick and dirty replacement function for rendering text with inline hints for changing color/style etc. its incomplete code probably buggy/slow but functional and should be easy enough to extend/debug - I'll prolly flesh it out with the extra functions i.e. replacements for stringwidth, ability to render different fonts other than the default one or import custom ones, etc. at a later date as its potentially useful and easy enough to speed up significantly. It could be adjusted back to just use the text command with the inline parser for style/color hints but the intention with this code is to move towards a faster rendering solution as well as more flexible solution than the normal text command. Last edited 2012 |
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