mirror of
https://github.com/moparisthebest/Simba
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691 lines
16 KiB
ReStructuredText
691 lines
16 KiB
ReStructuredText
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.. _scriptref-bitmaps:
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Bitmaps
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=======
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A bitmap in Simba is simply a two dimensional *field of colours*. These colours
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can all be the same, or they can be of different colours. Simba features
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functions to create, manipulate and search for bitmaps.
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.. INSERT BITMAP EXAMPLE HERE (Picture, etc)
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The bitmaps are - just as files - represented as integer in Simba (they point to
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a list of bitmaps, and the value of the integer is the position in the list).
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So typically, when referring to bitmaps in Simba, you simply represent them as
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an integer:
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.. code-block:: pascal
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var bmp, x, y: integer;
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bmp := CreateBitmap(10, 10); // Create a bitmap of size (10, 10)
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if FindBitmapIn(bmp, x, y, 0, 0, 300, 300) then
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writeln('Found it!');
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FreeBitmap(bmp); // Don't forget to free it when we are done.
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Note that the previous example doesn't make a lot of sense as the bitmap has
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only been created and not filled with any colours, they are as of yet,
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undefined. You can also create bitmaps from screenshots and load them when your
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script starts using the :ref:`scriptref-bitmapfromstring` function, or
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simple store them as files and load them using the :ref:`scriptref-loadbitmap`
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function.
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Word of caution on bitmap creation
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----------------------------------
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Bitmaps in Simba are internally all instances of *TMufasBitmap*. Scripts should
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generally access bitmaps using their *handle*: an integer. All functions
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referenced here either require a bitmap *handle* or return one.
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If you want to gain more access over a specific bitmap, see the
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*GetMufasaBitmap* function. It is highly unrecommended to create bitmaps like
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this, because Simba will not free them automatically for you. (There's no
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problem doing it like this if you only want to perform operations on it and then
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free it again)
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.. code-block:: pascal
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var bmp: TMufasaBitmap;
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bmp := TMufasBitmap.Create;
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Because there is no way to get a *handle* to this bitmap; as it will not be
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managed by Simba internally. (All Bitmaps created by *CreateBitmap* are managed
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by Simba, if you don't know what this means: you generally want Simba to manage
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the bitmaps)
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If you still want access to the TMufasaBitmap, use *GetMufasaBitmap*, described
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below.
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GetMufasaBitmap
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---------------
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.. code-block:: pascal
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function GetMufasaBitmap(bmp : integer) : TMufasaBitmap;
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Returns the *TMufasaBitmap* for the given bitmap. They both reference the same
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bitmap. TMufasaBitmap is a more advanced interface to bitmaps in Simba.
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There is no way to get a *internal* (integer)
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reference to a bitmap if you create it with TMufasaBitmap.Create; so the
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recommended way is to use *CreateBitmap* to get the integer reference/handle and
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then call this function to get the class reference.
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.. code-block:: pascal
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var bmp: TMufasaBitmap;
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bmph: integer;
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bmph := CreateBitmap(100, 100);
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bmp := GetMufasaBitmap(bmph);
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bmp.SetSize(150,150); // also changes bmph, as they are the same bitmap.
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.. _scriptref-createbitmapstring:
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CreateBitmapString
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------------------
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.. code-block:: pascal
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function CreateBitmapString(bmp : integer) : string;
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Creates a string for the given bitmap, you can use this to save a bitmap for
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later us, for example loading it again using :ref:`scriptref-bitmapfromstring`.
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.. _scriptref-createbitmap:
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CreateBitmap
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------------
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.. code-block:: pascal
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function CreateBitmap(w,h :integer) : integer;
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Create a bitmap with width *h* and height *h*.
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Returns the reference to the created bitmap.
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.. _scriptref-freebitmap:
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FreeBitmap
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----------
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.. code-block:: pascal
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procedure FreeBitmap(Bmp : integer);
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Free the bitmap. You should do this when you no longer need the bitmap.
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Be careful when working with bitmaps: not freeing it when you no longer need it
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leads to memory leaks, which will eventually make your script crash. (Unless you
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stop it in time, in which case Simba will free the bitmaps for you)
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.. _scriptref-savebitmap:
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SaveBitmap
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----------
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.. code-block:: pascal
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procedure SaveBitmap(Bmp : integer; path : string);
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Save the given bitmap to the specified path.
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.. _scriptref-bitmapfromstring:
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BitmapFromString
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----------------
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.. code-block:: pascal
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function BitmapFromString(Width,Height : integer; Data : string): integer;
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Load a bitmap from the given string. This command is usually generated with the
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Bitmap to String feature in Simba.
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.. _scriptref-loadbitmap:
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LoadBitmap
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----------
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.. code-block:: pascal
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function LoadBitmap(Path : string) : integer;
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Load a bitmap from a path to a file. Formats known to work are BMP and PNG
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images.
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.. _scriptref-setbitmapsize:
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SetBitmapSize
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-------------
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.. code-block:: pascal
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procedure SetBitmapSize(Bmp,NewW,NewH : integer);
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Change the size of the bitmap.
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Previous data will be preserved (if possible), so enlarging the bitmap won't
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destroy the old data, but shrinking it will inevitably destroy some data.
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(Everything that falls out of the new bounds)
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.. _scriptref-getbitmapsize:
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GetBitmapSize
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-------------
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.. code-block:: pascal
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procedure GetBitmapSize(Bmp : integer; var BmpW,BmpH : integer);
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Returns the size of the bitmap in *BmpW*, *BmpH*.
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.. _scriptref-stretchbitmapresize:
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StretchBitmapResize
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-------------------
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.. code-block:: pascal
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procedure StretchBitmapResize(Bmp,NewW,NewH : integer);
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.. _scriptref-createmirroredbitmap:
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CreateMirroredBitmap
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--------------------
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.. code-block:: pascal
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function CreateMirroredBitmap(Bmp : integer) : integer;
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.. _scriptref-createmirroredbitmapex:
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CreateMirroredBitmapEx
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----------------------
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.. code-block:: pascal
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function CreateMirroredBitmapEx(Bmp : integer; MirrorStyle : TBmpMirrorStyle) : integer;
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.. _scriptref-fastsetpixel:
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FastSetPixel
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------------
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.. code-block:: pascal
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procedure FastSetPixel(bmp,x,y : integer; Color : TColor);
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Set the pixel on the bitmap at position x, y to *color*.
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.. _scriptref-fastsetpixels:
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FastSetPixels
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-------------
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.. code-block:: pascal
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procedure FastSetPixels(bmp : integer; TPA : TPointArray; Colors : TIntegerArray);
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Set the pixels on the bitmap at position TPA[index] to Colors[index].
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.. _scriptref-fastgetpixel:
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FastGetPixel
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------------
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.. code-block:: pascal
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function FastGetPixel(bmp, x,y : integer) : TColor;
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Return the colour of pixel on the bitmap, position specified by x, y.
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.. _scriptref-fastgetpixels:
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FastGetPixels
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-------------
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.. code-block:: pascal
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function FastGetPixels(Bmp : integer; TPA : TPointArray) : TIntegerArray;
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Return an array of the colours on the bitmap; positions specified by *TPA*.
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.. _scriptref-getbitmapareacolors:
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GetBitmapAreaColors
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-------------------
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.. code-block:: pascal
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function GetBitmapAreaColors(bmp,xs, ys, xe, ye: Integer): T2DIntegerArray;
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Returns all the colours in the area defined by (*xs*, *xy*, *xe*, *ye*) on the
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bitmap in a two dimensions integer array.
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.. _scriptref-fastdrawclear:
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FastDrawClear
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-------------
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.. code-block:: pascal
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procedure FastDrawClear(bmp : integer; Color : TColor);
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Draw *Color* on every pixel on the bitmap.
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.. _scriptref-fastdrawtransparent:
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FastDrawTransparent
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-------------------
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.. code-block:: pascal
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procedure FastDrawTransparent(x, y: Integer; SourceBitmap, TargetBitmap: Integer);
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.. _scriptref-setransparentcolor:
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SetTransparentColor
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-------------------
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.. code-block:: pascal
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procedure SetTransparentColor(bmp : integer; Color : TColor);
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.. _scriptref-getransparentcolor:
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GetTransparentColor
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-------------------
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.. code-block:: pascal
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function GetTransparentColor(bmp: integer) : TColor;
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.. _scriptref-fastreplacecolor:
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FastReplaceColor
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----------------
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.. code-block:: pascal
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procedure FastReplaceColor(Bmp : integer; OldColor,NewColor : TColor);
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.. _scriptref-copyclienttobitmap:
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CopyClientToBitmap
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------------------
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.. code-block:: pascal
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procedure CopyClientToBitmap(bmp, xs, ys, xe, ye: Integer);
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Copy client area *xs, ys, xe, ye* to specified bitmap.
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.. _scriptref-bitmapfromclient:
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BitmapFromClient
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----------------
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.. code-block:: pascal
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function BitmapFromClient(const xs, ys, xe, ye: Integer): Integer;
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Create a bitmap from the client. Area specified by *xs, ye, xe, ye*.
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.. _scriptref-setbitmapname:
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SetBitmapName
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-------------
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.. code-block:: pascal
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procedure SetBitmapName(Bmp : integer; name : string);
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Assign a name to the bitmap. Mainly for debugging purposes. (It will write the
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name of the bitmap if it hasn't been freed.)
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.. code-block:: pascal
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program new;
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var bmp: integer;
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begin
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bmp := CreateBitmap(10, 10);
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SetBitmapName(bmp, 'We will not free this bitmap');
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end.
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// Simba will print what bitmap has not been freed (along with his long
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// name)
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.. _scriptref-findbitmap:
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FindBitmap
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----------
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.. code-block:: pascal
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function FindBitmap(bitmap: integer; var x, y: Integer): Boolean;
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Searches for the Bitmap *bmp* on the entire client. Returns true if found.
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If found, *x, y* specifies the position where the bitmap was found.
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.. _scriptref-findbitmapin:
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FindBitmapIn
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------------
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.. code-block:: pascal
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function FindBitmapIn(bitmap: integer; var x, y: Integer; xs, ys, xe, ye: Integer): Boolean;
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Searches for the Bitmap *bmp* on the client in the area defined by *xs,ys,xe,ye*.
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Returns true if found. If found, *x, y* specifies the position where the bitmap
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was found.
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.. _scriptref-findbitmaptolerancein:
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FindBitmapToleranceIn
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---------------------
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.. code-block:: pascal
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function FindBitmapToleranceIn(bitmap: integer; var x, y: Integer; xs, ys, xe, ye: Integer; tolerance: Integer): Boolean;
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Searches for the Bitmap *bmp* on the client in the area defined by *xs,ys,xe,ye*.
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Tolerance defines the tolerance per pixel when matching bitmaps. See
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:ref:`scriptref-CTS` for more information on tolerance.
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Returns true if found. If found, *x, y* specifies the position where the bitmap
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was found.
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.. _scriptref-findbitmapspiral:
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FindBitmapSpiral
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----------------
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.. code-block:: pascal
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function FindBitmapSpiral(bitmap: Integer; var x, y: Integer; xs, ys, xe, ye: Integer): Boolean;
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Searches for the Bitmap *bmp* on the client in the area defined by *xs,ys,xe,ye*.
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Returns true if found. If found, *x, y* specifies the position where the bitmap
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was found. Search starts from a point defined by *x, y*.
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.. _scriptref-findbitmapsspiraltolerance:
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FindBitmapsSpiralTolerance
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--------------------------
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.. code-block:: pascal
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function FindBitmapsSpiralTolerance(bitmap: integer; x, y: Integer; var Points : TPointArray; xs, ys, xe, ye,tolerance: Integer): Boolean;
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Searches for the Bitmap *bmp* on the client in the area defined by *xs,ys,xe,ye*.
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Tolerance defines the tolerance per pixel when matching bitmaps. See
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:ref:`scriptref-CTS` for more information on tolerance.
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Search starts from a point defined by *x, y*.
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Returns true if found. If found, each point in *TPA* specifies a match.
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.. _scriptref-findbitmapspiraltolerance:
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FindBitmapSpiralTolerance
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-------------------------
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.. code-block:: pascal
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function FindBitmapSpiralTolerance(bitmap: integer; var x, y: Integer; xs, ys, xe, ye,tolerance : integer): Boolean;
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Searches for the Bitmap *bmp* on the client in the area defined by *xs,ys,xe,ye*.
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Tolerance defines the tolerance per pixel when matching bitmaps. See
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:ref:`scriptref-CTS` for more information on tolerance.
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Search starts from a point defined by *x, y*.
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Returns true if found. If found, *x, y* specifies the position where the bitmap
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was found.
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.. _scriptref-rotatebitmap:
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RotateBitmap
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------------
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.. code-block:: pascal
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function RotateBitmap(bitmap: Integer; angle: Extended): Integer;
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.. _scriptref-desaturatebitmap:
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DesaturateBitmap
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----------------
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.. code-block:: pascal
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function DesaturateBitmap(Bitmap : integer) : integer;
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.. _scriptref-invertbitmap:
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InvertBitmap
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------------
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.. code-block:: pascal
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procedure InvertBitmap(Bitmap : integer);
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.. _scriptref-copybitmap:
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CopyBitmap
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----------
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.. code-block:: pascal
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function CopyBitmap(Bitmap: integer) : integer)
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Creates a copy of the *Bitmap*. Returns the bitmap copy.
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.. _scriptref-greyscalebitmap:
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GreyScaleBitmap
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---------------
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.. code-block:: pascal
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function GreyScaleBitmap(bitmap : integer) : integer
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Creates a copy of the bitmap, greyscaled.
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.. _scriptref-brightnessbitmap:
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BrightnessBitmap
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----------------
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.. code-block:: pascal
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function BrightnessBitmap(Bitmap,br : integer) : integer;
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Changes the brightness of a bitmap, intensity defined by *br*.
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Returns a new bitmap with the brightness applied.
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If you instead want to apply brightness to the current bitmap, see
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:ref:`filter_apply_bitmap`
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.. _scriptref-contrastbitmap:
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ContrastBitmap
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--------------
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.. code-block:: pascal
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function ContrastBitmap(bitmap : integer; co : extended) : integer;
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Changes the constrast of a bitmap, returns a new bitmap with the contrast
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applied.
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.. _scriptref-posterizebitmap:
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PosterizeBitmap
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---------------
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.. code-block:: pascal
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function PosterizeBitmap(Bitmap : integer; po : integer) : integer;
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Posterizes a bitmap, intensity defined by *po*; returns a new bitmap with the
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posterisation applied.
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.. _filter_apply_bitmap:
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Applying a filter on the current bitmap
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.. code-block:: pascal
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var b: integer;
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begin
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// Dummy bitmap. You'll want something that's not just a blank bitmap.
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B:=CreateBitmap(100,100);
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// Apply the filter (Posterize in this case) without making a copy.
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GetMufasaBitmap(b).Posterize(GetMufasaBitmap(b), 10);
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// Always free your bitmaps when you no longer use them. :)
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FreeBitmap(b);
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end.
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.. _scriptref-createmaskfrombitmap:
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CreateMaskFromBitmap
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--------------------
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.. code-block:: pascal
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function CreateMaskFromBitmap(Bitmap : integer) : TMask;
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.. _scriptref-findmasktolerance:
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FindMaskTolerance
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-----------------
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.. code-block:: pascal
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function FindMaskTolerance(const mask: TMask; var x, y: Integer; xs,ys, xe, ye: Integer; Tolerance, ContourTolerance: Integer): Boolean;
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.. _scriptref-findbitmapmasktolerance:
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FindBitmapMaskTolerance
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-----------------------
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.. code-block:: pascal
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function FindBitmapMaskTolerance(mask: Integer; var x, y: Integer; xs, ys, xe, ye: Integer; Tolerance, ContourTolerance: Integer): Boolean;
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.. _scriptref-finddeformedbitmaptolerancein:
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FindDeformedBitmapToleranceIn
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-----------------------------
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.. code-block:: pascal
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function FindDeformedBitmapToleranceIn(bitmap: integer; var x,y: Integer; xs, ys, xe, ye: Integer; tolerance: Integer; Range: Integer; AllowPartialAccuracy: Boolean; var accuracy: Extended): Boolean;
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.. _scriptref-drawtpabitmap:
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DrawTPABitmap
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-------------
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.. code-block:: pascal
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procedure DrawTPABitmap(bitmap: integer; TPA: TPointArray; Color: integer);
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*Draws* a TPointArray on a bitmap. Each point in the TPointArray is *painted*
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on the bitmap by setting the pixel on the bitmap (position defined by tpa point)
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to *color*.
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.. _scriptref-drawatpabitmap:
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DrawATPABitmap
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--------------
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.. code-block:: pascal
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procedure DrawATPABitmap(bitmap: integer; ATPA: T2DPointArray);
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*Draws* a Array of TPointArray on a bitmap.
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Each point in the TPointArray is *painted* on the bitmap by setting
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the pixel on the bitmap (position defined by tpa point)
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to a color. Colors differ per TPointArray (group).
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.. _scriptref-drawatpabitmapex:
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DrawATPABitmapEx
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----------------
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.. code-block:: pascal
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procedure DrawATPABitmapEx(bitmap: integer; ATPA: T2DPointArray; Colors: TIntegerArray);
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*Draws* a Array of TPointArray on a bitmap.
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Each point in the TPointArray is *painted* on the bitmap by setting
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the pixel on the bitmap (position defined by tpa point)
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to a color. Colors are defined by *Colors*.
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.. _scriptref-drawbitmap:
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DrawBitmap
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----------
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.. code-block:: pascal
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procedure DrawBitmap(Bmp: Integer; Dest: TCanvas; x, y: Integer);
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Draw the bitmap to a TCanvas.
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.. _scriptref-rectanglebitmap:
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RectangleBitmap
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---------------
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.. code-block:: pascal
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procedure RectangleBitmap(bitmap : integer; const box : TBox; Color : TColor);
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.. _scriptref-floodfillbitmap:
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FloodFillBitmap
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---------------
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.. code-block:: pascal
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procedure FloodFillBitmap(bitmap : integer; const StartPoint : TPoint; const SearchCol,ReplaceCol : TColor);
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.. _scriptref-calculatepixelshift:
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CalculatePixelShift
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-------------------
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.. code-block:: pascal
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function CalculatePixelShift(Bmp1,Bmp2 : Integer; CompareBox : TBox) : integer;
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.. _scriptref-calculatepixeltolerance:
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CalculatePixelTolerance
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-----------------------
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.. code-block:: pascal
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function CalculatePixelTolerance(Bmp1,Bmp2 : Integer; CompareBox : TBox; CTS : integer) : extended;')
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