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`Home f Go Crazy with LogoMania!
`
`Go Crazy with LogoMania!
`
`BY NEILJ. RUBEN KING MARCH 25,1997
`
`0 COMMENTS
`
`LogoMania lets you replace the standard Windows 95 logo and its cloudy background with your own personalized
`animated logo bitmap.
`
`0
`
`SHARES
`
`When you start Windows 95, you see a background of
`clouds, over which floats the Windows 95 logo. Blue and
`gray color bars pulse across the bottom of the screen so
`you won't think the computer is frozen. But why should you gaze at
`a Microsoft logo every time your computer starts? Logo Mania lets
`you replace the standard logo with your own animated logo bitmap.
`You can float your company's logo over a hypnotic moving background, like the PC
`Magazine logo in Figure 1 , or put a color-changing company name in front of a
`serene mountain landscape.
`
`CONTENTS
`
`Go Crazy w1th
`LogoMan1a'
`
`LogoMania:
`Download It Here
`
`Logo Mania lets you keep the animated and static portions of the image in separate
`bitmaps, which it merges for you. LogoMania will take care of adjusting your input
`bitmaps to the correct size and correct number of colors, if necessary. It will even
`create animated backgrounds, wild or subtle, for you. Once you've created a
`Windows 95 animated logo bitmap, you can preview it without leaving LogoMania .
`
`The source code for LogoMania, which was written with Delphi 2.0, Borland's visual
`programming tool, is also provided for those interested in seeing how it works.
`
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`Home I Go Crazy with LogoManla!
`
`Go Crazy with LogoMania!
`
`BY NEILJ. RUBENKING MARCH 25,1997
`
`0 COMMENTS
`
`LogoMania lets you replace the standard Windows 95 logo and its cloudy background with your own personalized
`animated logo bitmap.
`
`[I>
`
`Buolt for busor1ess II Wor1dows 8 Pro
`
`0
`
`SHARES
`
`How LogoMania Works
`Windows 95 creates the illusion of animation in its start-up and
`shutdown logos using an old technique known as palette animation. To
`explain how this works, I need to start with some background on
`Windows bitmaps.
`
`CONTENTS
`
`Go Crazy with
`LogoMania!
`
`LogoManla:
`Download It Here
`
`A Windows bitmap file starts with a header that includes handy information, such
`as the picture's width and height in pixels, and it ends with a huge chunk of data
`that lists the color of every pixel in the picture. A 256-color bitmap has a palette--a
`list of up to 256 colors, expressed as combinations of red, green, and blue values
`from 0 to 255--in its header. Each pixel in the image is represented by a 1-byte
`index into the palette. That way, a bitmap can include a wide variety of colors yet
`still require just a single byte to store each pixel.
`
`When Windows 95 animates a logo bitmap, it doesn't change the pixels at all.
`Instead, it changes the palette. Suppose palette-entry 255 contains bright red, and
`we change that entry to bright green. All of the pixels that use entry number 255
`will instantly change from red to green. Windows 95's logo animation simply
`involves cycling a set of adjacent palette entries, starting with the last entry
`(number 255) and working down. Windows 95 repeatedly moves the contents of
`each palette entry that's involved in animation into the next lower entry and moves
`the contents of the lowest animation palette entry into the last entry. For example,
`let's say that palette entries 253, 254, and 255 contain the colors yellow, green, and
`blue, respectively. After the first frame of animation, entry 253 gets the color from
`entry 254, 254 gets the contents of 255, and 255 gets the previous contents of 253.
`Slots 253, 254, and 255 now contain green, blue, and yellow, respectively. After the
`second frame of animation, they contain blue, yellow, and green. As the cycle
`repeats, it looks as though the colors are moving from right to left. LogoMania lets
`you create bitmaps that Windows can animate using this technique.
`
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`Built for busmess II Windows 8 Pro
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`• • ,j,j,j,j,jil
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`-
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`BY NEILJ . RUBEN KING MARCH 25,1997
`
`0 COMMENTS
`
`LogoMania lets you replace the standard Windows 95 logo and its cloudy background with your own personalized
`animated logo bitmap.
`
`0
`
`SHARES
`
`Using LogoMania
`To install LogoMania, copy the files Logomani.exe, Logomani.hlp, and
`Logomani.cnt to a directory on your hard disk. You may wish to place a
`shortcut to Logomani.exe in one of your Start menu folders. To uninstall
`Logo Mania, delete the three files you originally copied to your hard disk,
`along with Logomani.ini, Logomani.gid, and Logomani.fts (ifWinHelp has
`created the last two files, that is).
`
`CONTENTS
`
`Go Crazy with
`logo Man al
`
`logoMania:
`Download It Here
`
`To create an animated logo bitmap, you start with a bitmap that includes just the
`animated part. You can optionally add a second bitmap defining the non-animated
`parts. From your bitmaps, LogoMania will build a new composite bitmap with the
`particular internal structure required for a Windows 95 animated logo bitmap.
`
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`Home I Go Crazy with LogoMania!
`
`Go Crazy with LogoMania!
`
`BY NEILJ. RUBENKING MARCH 25,1997
`
`0 COMMENTS
`
`LogoMania lets you replace the standard Windows 95 logo and its cloudy background with your own personalized
`animated logo bitmap.
`
`0
`
`SHARES
`
`Creating the Animation Bitmap
`The first step in creating an animated logo bitmap is to select or
`generate the animation bitmap; LogoMania's Animation bitmap
`pageAnimation_bitmap_page contains tools to do this. You have three
`choices:
`
`CONTENTS
`
`Go Crazy with
`Logo Mania!
`
`LogoMania:
`Download It Here
`
`Choose an existing bitmap and, if necessary, force it to the size required by Logo Mania.
`Let LogoMania generate an animated background for you by clicking the Generate
`button.
`Use Windows Paint to create the animation bitmap.
`The first two options are by far the easiest and can produce striking results. If you
`want to create your animation bitmap from scratch using Windows Paint, you'll find
`instructions for doing so in LogoMania's online help.
`
`When you first launch LogoMania, you'll see the Animation bitmap page (see Figure
`2 ). Click the Choose button to select a bitmap, which must be 256-color and must
`have the standard extension .BMP. If you want to use a bitmap that isn't 256-color,
`you must first load the file into Windows Paint, select Save As, and save it as a 256-
`color bitmap.
`
`Once the bitmap is loaded, the Details button is enabled; click this button for
`detailed information about the bitmap. A reduced-size thumbnail view of the
`bitmap will be displayed for reference.
`
`Every Windows 95 animated logo bitmap must be precisely 320 by 400 pixels in
`size. (Upon display, Windows 95 stretches it to 640-by-400.) The same size
`restriction applies to LogoMania's animation and static bitmaps. If the selected
`bitmap is not 320-by-400, LogoMania will enable the Tile/Chop button . Click it to
`save a new version of the bitmap at the correct size. A bitmap that's too small will
`be tiled to fill the space, while one that's too large will be chopped to the correct
`size. If the bitmap is smaller than 640-by-400, the Center button will be enabled.
`Click it to create a 320-by-400 bitmap, with the existing bitmap centered
`horizontally and vertically. The area surrounding the centered bitmap is set to an
`arbitrary color, which you can change with Windows Paint.
`
`When the loaded bitmap is 320-by-400, the Tile/Chop and Center buttons will be
`disabled and LogoMania will scan all the pixels in the bitmap, counting how many
`are assigned to each palette color. At this time, the Palette button is enabled.
`Clicking it brings up the Palette Adjustment form, which lets you change the colors
`associated with each palette entry in use. Adjusting the palette isn't normally
`required, but it allows advanced users to achieve impressive animation effects.
`
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`(See the program's online help for details.)
`
`The background in Figure 1 was produced by Logo Mania's Animated Background
`Generator form (see Figure 3 ), which you can access by clicking on the Generate
`button on the Animation bitmap page. Three of the controls on this form
`determine the pattern that will be used to fill the bitmap, which also has an effect
`on animation characteristics. Shape defines the overall pattern, such as circle,
`square, or stripe. Direction is the direction of apparent motion when the bitmap is
`animated. And for most shapes, a larger width produces a coarser pattern with
`faster apparent motion.
`
`The remaining controls in the Generator dialog box define the color palette that
`will be used. Click one of the three color boxes or press Alt-1, Alt-2, or Alt-3 to set
`the fixed colors. Choose the number of colors you want LogoMania to generate and
`select one of the four gradient styles:
`
`1-2
`
`1-2-1
`
`Shades smoothly from color
`1 to color 2.
`Shades from color 1 to
`color 2 and back to
`color 1.
`1-2-3 Shades from color 1 to
`color 2 and then to
`color 3.
`1-2-3-1 Shades from color 1 to
`color 2 to color 3 and
`back to color 1.
`Almost any combination of option settings will produce an interesting background.
`Feel free to experiment. LogoMania will remember the most recent settings you
`used in the Animated Background Generator form, so you can easily come back
`and fine-tune your background bitmap. The bitmap created using this form is
`always stored as LogoMania_Gen.bmp, in the same directory as the application. If
`you produce a totally awesome background that you want to save for future use,
`just copy or rename LogoMania_ Gen.bmp.
`
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`l:IWlllt I Go Crazy with LogoManla!
`
`Go Crazy with LogoMania!
`
`BY NEIL]. RUBENKING MARCH 25,1997
`
`0 COMMENTS
`
`LogoMania lets you replace the standard Windows 95 logo and its cloudy background With your own personalized
`animated logo bitmap.
`
`0
`
`SHARES
`
`AWARD SPOTLIGHT
`
`Fujitsu ScanSnap iXSOO w
`
`"Our new Editors' Choice as a
`/ow-price document scanner for
`personal or small-office use ·
`
`I
`
`•
`
`.
`
`~I
`
`Creating the Static Bitmap
`Static bitmaps can be placed in the foreground or the background; you
`can use any bitmap you like. Figure 1 shows a static bitmap of the PC
`Magazine logo floating in the foreground over an animated background.
`Static backgrounds give a different effect. For example, you could select
`a scanned photo as the background and float a color-changing
`animation bitmap over it. The static bitmap is optional; if you omit it, LogoMania will
`produce a 100 percent animated logo bitmap.
`
`CONTENTS
`
`Go Crazywnh
`Logo Mania!
`
`oo~~1~~da~i~:ere
`
`Like the animation bitmap, the static bitmap must be a 320-by-400 image. You can
`select a bitmap on the Static bitmap page and let Logo Mania tile or chop it to fit
`the required size, or you can resize the image yourself using Windows Paint. Use
`the Stretch/Skew option from the Image menu in Windows Paint to get the image
`close to 640-by-400, then set the Image Attributes to 640-by-400. Now use
`Stretch/Skew one final time to reduce the bitmap's width by 50 percent.
`
`The animated logo bitmap generated by LogoMania can have at most 256 different
`colors, so the total number of colors used by the animation and static bitmaps
`can't exceed 256. If the static bitmap uses too many colors, Logo Mania will enable
`the Fewer Colors button. The edit box next to the button controls how many colors
`will be used; its maximum is 256 minus the number of colors in the animation
`bitmap. If the color-reduced image is muddy or indistinct, consider using an
`animation bitmap with fewer colors.
`
`Read Review
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`the Latest News from PCMag
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`
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`lPhone or iPad today.
`
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`I~ Built for bu~mess • Wmdow~ 8 Pro
`•·'.!.l·'.!fl
`NEWS I OPINIONS I FEATURES I DEALS I HOW-TO I BUSINESS I SUBSCRIBE
`
`XL performance in an XS package.
`o-~
`Introducing the new HP EliteDesk Mini 800.
`HP's smallest desktop yet.
`
`;
`
`Mtltanaltn.
`
`search for products, news, tips ...
`
`ALL REVIEWS
`
`,
`BY NEILJ RUBEN KING MARCH 25, 1997
`
`0 COMMENTS
`
`LAPTOPS I TABLETS
`
`I PHONES
`
`I APPS
`
`I SOFTWARE
`
`I SECURITY
`
`I PRINTERS
`
`I CAMERAS
`
`I HDTVS
`
`-
`
`LogoMania lets you replace the standard Wmdows 95 logo and its cloudy background with your own personalized
`animated logo bitmap.
`
`0
`
`SHARES
`
`Foreground and Background
`The animation bitmap page and the static bitmap page both have check
`boxes labeled Foreground. Checking one of these automatically
`unchecks the other. When LogoMania merges the two bitmaps, it looks
`at the pixel in the bottom-left corner of the foreground bitmap and
`treats all pixels of that color as transparent. Each pixel in the final image
`is copied from the corresponding pixel in either the foreground or background bitmap.
`If the foreground pixel matches the transparent color, the background pixel is copied; if
`not, the foreground pixel is copied.
`
`CONTENTS
`
`Go Crazy with
`LogoMan rat
`
`LogoMania:
`Download It Here
`
`AWARD SPOTLIGHT
`
`Fujitsu ScanSnap iXSOO w
`
`·our new Editors' Cho1ce as a
`low-price document scanner for
`personal or sma/1-offJce use ··
`
`I
`
`'
`
`.
`
`I
`
`In Figure 1 , the static bitmap of the PC Magazine logo consists of white letters in a
`red rectangle, centered on a white field. Since the bottom-left pixel of the
`foreground bitmap is white, all white pixels are treated as transparent, allowing the
`animated background to show through around and within the logo.
`
`The Foreground check box serves a purpose even when you are not using a static
`bitmap. When not checked, all colors in the image will be animated. When checked,
`the transparent color will not be animated. If you've centered a bitmap on a single·
`color background, you'll want to check the Foreground box. Otherwise, the
`background will flash wildly as the bitmap animates.
`
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`Hom e I Go Crazy with logoMania!
`
`Go Crazy with LogoMania!
`
`BY NEIL). RUBEN KING MARCH 2S, 1997
`
`0 COMMENTS
`
`LogoMania lets you replace the standard Windows 95 logo and its cloudy background with your own personalized
`animated /oga bitmap.
`
`Buolt for busoness
`
`• Wor1dows8Pro
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`0
`
`SHARES
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`Creating the Animated Logo
`Once you have selected an animation and (optionally) a static bitmap,
`flip to the Logo bitmap page, click the Create button, and save the
`animated logo bitmap. If the resulting reduced-size thumbnail view looks
`totally wrong, you may have put the wrong bitmap in the foreground;
`toggle the value of the Foreground check box on either the Animation
`bitmap page or the Static bitmap page and click Create again.
`
`CONTENTS
`
`Go Crazy with
`LogoMania!
`
`LogoManla:
`Download it Here
`
`If the Create button is not enabled, it means something is wrong with at least one
`of your bitmap selections. The possibilities are:
`
`No animation bitmap has been selected.
`The animation bitmap is not 320-by-400.
`The animation bitmap is 320-by-400, but the static bitmap is not.
`Both the animation bitmap and the static bitmap are 320-by-400, but the total number
`of colors used by the two is greater than 256. Correct the problem and try again.
`As long as your system is running in 256-color mode, the Preview button will be
`enabled any time an animated logo bit-map has been created or loaded. Click this
`button for a preview of the logo being animated the same way that Windows 95 will
`animate it at start-up. If your system's display adapter and drivers support
`changing video resolution on the fly, the Preview at 640x400 check box will be
`enabled. Checking this box before pressing Preview causes LogoMania to display
`the logo animation at 640-by-400 resolution, giving a very accurate preview.
`
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`Home I Go Crazy with LogoMania!
`
`Go Crazy with LogoMania!
`
`BY NEIL). RUBEN KING MARCH 25, 1997
`
`0 COMMENTS
`
`LogoMania Jets you replace the standard Windows 95 logo and its cloudy background with your own personalized
`animated logo bitmap.
`
`Buolt for busoness
`
`• Wondows8Pro
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`0
`
`SHARES
`
`Activating the Animated Logo
`If the file LOGO.SYS is present in the root directory of the boot drive,
`Windows 95 loads it as the animated logo bitmap. To install your own
`animated logo, copy it to the root directory of the boot drive. Then
`rename LOGO.SYS (if present) to LOGO.OLD, and rename your new logo
`to LOGO.SYS. Note that the two screens that Windows 95 displays at
`shutdown are also 320-by-400 bitmaps. The one that asks you to wait while Windows 95
`shuts down is LOGOW.SYS; the one that informs you that it's safe to shut the computer
`off is LOGOS.SYS. Both reside in the Windows 95 directory. You can use any bitmap that
`has been sized by LogoMania in place of either of the supplied shutdown bitmaps.
`
`CONTENTS
`
`Go Crazy with
`LogoMama!
`
`Logo Mania:
`Download It Here
`
`I've described the basics of using LogoMania, but a few minutes spent working
`through the tutorials in the help system will be worth your while . LogoMania isn't
`difficult to use, but its features go deeper than might be apparent at first.
`Remember that you can get help for each page of the main form and for each
`helper form by pressing F1. Also, to get help for an individual component, you can
`click on the help icon on the title bar and then click on the component.
`
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`and Privacy Policy
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`Home I Go Crazy with LogoManla!
`
`Go Crazy with LogoMania!
`
`BY NEILJ RUBEN KING MARCH 25, 1997
`
`0 COMMENTS
`
`LogoMania lets you replace the standard Windows 95 logo and its cloudy background with your own personalized
`animated logo bitmap.
`
`0
`
`SHARES
`
`Programming LogoMania
`LogoMania deals mainly with bitmaps and palettes, but it doesn't make
`any serious use of the Delphi TBitmap object or of the bitmap-handling
`facilities supplied by Windows. The problem is that Windows attempts to
`share the palette fairly among all open windows, while Logo Mania needs
`total control of the palette. It gets this control by manipulating the
`bitmaps as data files without translating them into on-screen images. The only major
`feature that does use the Windows palette system is the palette animation in preview
`mode. In the section below, I'll discuss these high points of LogoMania's programming:
`
`CONTENTS
`
`Go Crazy with
`Logo Mania!
`
`oo~~1~:;~t~l~:ere
`
`reading and writing bitmaps by working directly with bitmap files;
`reducing the number of colors in a bitmap's palette; and
`creating bitmap files from mathematical formulas.
`
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`· t- - ·
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`. .
`
`. ~ ..1111111
`Mysterious Google barge
`destined for the scrap yard
`Fortune
`
`............
`
`.:·~· ..
`
`.-·.
`
`.~
`
`:::.::: ..... ~.··.·-·.· .... · ..... ··.-· ... ····.·.-.. · .. --·
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`AWARD SPOTLIGHT
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`"Our new Editors' Chotce as a
`/ow-price document scanner for
`personal or small-office use "
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`Fujitsu ScanSnap iXSOO w
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`to a newsletter Indicates your consent to our Terms of Use
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`Home I Go Crazy with LogoManla!
`
`Go Crazy with LogoMania!
`
`BY NEILJ RUBENKING MARCH 25, 1997
`
`0 COMMENTS
`
`LogoMania lets you replace the standard Windows 95 logo and its cloudy background with your own personalized
`animated logo bitmap.
`
`[t>
`
`I
`
`Built ror bUSiness
`
`• Wlf1dows8Pro
`
`0
`
`SHARES
`
`The Bitmap File Structure
`Every 256-color Windows bitmap file consists of the same four parts: a
`bitmap file header (TBitmapFileHeader in Delphi), a bitmap info header
`(TBitmaplnfoHeader in Delphi), a table of colors defining the palette
`used by the bitmap, and the actual bitmap data, which is stored as rows
`of pixels starting with the bottom line.
`
`CONTENTS
`
`Go Crazy With
`Logo Mania!
`
`LogoMan la:
`Download It Here
`
`In the TBitmaplnfoHeader, the biWidth and biHeight fields define the size of the
`bitmap in pixels, and the biPlanes and biBitCount fields indicate the number of bits
`per pixel. In a 256-color bitmap, biPlanes is always 1 and biBitCount is 8. The
`biCirUsed field tells how many colors the palette uses, with 0 signifying the full
`complement of 256. Last is the biCirlmportant field, which is normally used only by
`the Windows palette manager.
`
`Windows 95 color-shifts only a portion of the palette. That's how it's able to display
`some parts of the logo as static and some parts as animated. In an animated logo
`bitmap, the biCirlmportant field represents the index of the first animation palette
`entry. Windows 95 will cycle the colors from that entry to entry number 255. If you
`try to edit the Windows 95 default LOGO.SYS using Windows Paint, you'll find that it
`no longer animates after you save it. Why? Because Paint has set the
`biCirlmportant field to 0.
`
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`HP's smallest desktop yet
`i1,j,j,j,j,!fi
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`AWARD SPOTLIGHT
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`Fujitsu ScanSnap iXSOO w
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`"Our new Editors' Choice as a
`/ow-price document scanner for
`personal or small-office use "
`
`I
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