Unit msegraphicstream

Description
Classes, Interfaces, Objects and Records
Functions and Procedures
Types
Constants

Description

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Overview

Classes, Interfaces, Objects and Records

Name Description
Class egraphicformat  
Class tmsefpmemoryimage  

Functions and Procedures

function readgraphic(const source: tstream; const dest: tbitmap; const aformatname: string; const params: array of const): string; overload;
function readgraphic(const source: tstream; const dest: tmaskedbitmap; const aformatname: string; const params: array of const): string; overload;
function readgraphic(const source: tstream; const dest: timagelist): string; overload;
function tryreadgraphic(const source: tstream; const dest: tbitmap; const aformatname: string; const params: array of const): string; overload;
function tryreadgraphic(const source: tstream; const dest: tmaskedbitmap; const aformatname: string; const params: array of const): string; overload;
function tryreadgraphic(const source: tstream; const dest: timagelist): string; overload;
procedure writegraphic(const dest: tstream; const source: tbitmap; const aformatname: string; const params: array of const); overload;
procedure writegraphic(const dest: tstream; const source: tmaskedbitmap; const aformatname: string; const params: array of const); overload;
procedure writegraphic(const dest: tstream; const source: timagelist); overload;
procedure registergraphicformat(const aformatlabel: string; const areadproc: readgraphicprocty; const awriteproc: writegraphicprocty; const afiltername: msestring; const afilemask: array of msestring);
function graphicformatlabels: stringarty;
function graphicfilemasks: filenamearty;
function graphicfilefilternames: msestringarty;
function graphicfilefiltermasks: msestringarty;
function graphicfilefilterlabel(const index: integer): string;
function readfpgraphic(const source: tstream; const readerclass: fpreaderclassty; const dest: tpersistent): boolean;

Types

fpreaderclassty = class of tfpcustomimagereader;
readgraphicprocty = function(const source: tstream; const dest: tobject; var format: string; const params: array of const): boolean;
writegraphicprocty = procedure(const dest: tstream; const source: tobject; const format: string; const params: array of const);

Constants

graphicformatdelimiter = ';';

Description

Functions and Procedures

function readgraphic(const source: tstream; const dest: tbitmap; const aformatname: string; const params: array of const): string; overload;

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function readgraphic(const source: tstream; const dest: tmaskedbitmap; const aformatname: string; const params: array of const): string; overload;

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function readgraphic(const source: tstream; const dest: timagelist): string; overload;

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function tryreadgraphic(const source: tstream; const dest: tbitmap; const aformatname: string; const params: array of const): string; overload;

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function tryreadgraphic(const source: tstream; const dest: tmaskedbitmap; const aformatname: string; const params: array of const): string; overload;

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function tryreadgraphic(const source: tstream; const dest: timagelist): string; overload;

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procedure writegraphic(const dest: tstream; const source: tbitmap; const aformatname: string; const params: array of const); overload;

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procedure writegraphic(const dest: tstream; const source: tmaskedbitmap; const aformatname: string; const params: array of const); overload;

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procedure writegraphic(const dest: tstream; const source: timagelist); overload;

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procedure registergraphicformat(const aformatlabel: string; const areadproc: readgraphicprocty; const awriteproc: writegraphicprocty; const afiltername: msestring; const afilemask: array of msestring);

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function graphicformatlabels: stringarty;

List the currently registered image formats (e.g. for a file dialog's filter list): graphicformatlabels their names, graphicfilemasks their file masks, graphicfilefilternames/graphicfilefiltermasks the corresponding filter dialog entries, and graphicfilefilterlabel the label of a given filter index. Leaving an image field's format empty makes MSEgui try all known formats when reading; setting it to a known format when it is known improves performance.

function graphicfilemasks: filenamearty;

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function graphicfilefilternames: msestringarty;

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function graphicfilefiltermasks: msestringarty;

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function graphicfilefilterlabel(const index: integer): string;

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function readfpgraphic(const source: tstream; const readerclass: fpreaderclassty; const dest: tpersistent): boolean;

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Types

fpreaderclassty = class of tfpcustomimagereader;

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readgraphicprocty = function(const source: tstream; const dest: tobject; var format: string; const params: array of const): boolean;

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writegraphicprocty = procedure(const dest: tstream; const source: tobject; const format: string; const params: array of const);

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Constants

graphicformatdelimiter = ';';

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