vcl-dxcoregraphics.md
Implements base color and image-related types and methods in the DevExpress VCL library.
| Name | Description |
|---|---|
| TdxAdvancedColorPalette | Stores and manages two color palettes with named colors used in UI elements. |
| TdxCustomColorPalette | The base class for all classes that implement color palette containers in DevExpress products. |
| TdxCustomFastDIB | The base class for all classes that implement simple memory buffers for DIB images. |
| TdxFastDIB | A memory DC-based buffer for DIB images. |
| TdxSimpleColorPalette | A simple palette container that stores two colors. |
| Name | Description |
|---|---|
| IdxColorPalette | Exposes the functions that return stroke and fill colors by their names in corresponding palettes. |
| Name | Description |
|---|---|
| TdxAlphaColors | Stores TdxAlphaColor equivalents of predefined TColor constants and implements auxiliary color-related methods. |
| Name | Description |
|---|---|
| TdxAlphaState | Enumerates available states of pixel transparency information that bitmaps can store. |
| TdxGraphicUnit | Enumerates measurement units used to specify visual element dimensions and font sizes in DevExpress VCL controls. |
| Name | Description |
|---|---|
| cxGetBitmapPixelFormat(TBitmap) | Returns the color depth of a bitmap image stored in the specified bitmap container. |
| dxAlphaColorToColor(TdxAlphaColor,Byte) | Converts a specified TdxAlphaColor value to the TColor type. |
| dxAlphaColorToColor(TdxAlphaColor) | |
| dxAlphaColorToRGBQuad(TdxAlphaColor) | Converts a specified TdxAlphaColor value to the TRGBQuad type. |
| dxColorToAlphaColor(TColor,Byte) | Converts a specified TColor value to the TdxAlphaColor type. |
| dxColorToRGBQuad(TColor,Byte) | Converts a specified TColor value to the TRGBQuad type. |
| dxFillBitmapInfoHeader(TBitmapInfoHeader,Integer,Integer,WordBool) | Returns the header information of a specified bitmap object. |
| dxFillBitmapInfoHeader(TBitmapInfoHeader,TBitmap,WordBool) | |
| dxGetAlpha(TdxAlphaColor) | Extracts the alpha value (also called transparency level) from a specified color. |
| dxGetAlphaState(TRGBColors) | |
| dxGetAlphaState(TBitmap) | Identifies if the specified bitmap includes pixel transparency information (and whether it is in use). |
| dxGetBitmapData(HBITMAP,TBitmap) | Returns a record populated with pixel data and image information by the specified bitmap handle. |
| dxGetBlue(TdxAlphaColor) | Extracts the blue color component value from a specified color. |
| dxGetBrushData(HBRUSH,TLogBrush) | Returns settings of a brush object identified by its handle. |
| dxGetBrushData(HBRUSH) | |
| dxGetFontData(HFONT,TLogFont) | |
| dxGetFontData(HFONT) | Returns settings of a font object identified by its handle. |
| dxGetGreen(TdxAlphaColor) | Extracts the green color component value from a specified color. |
| dxGetPenData(HPEN,TLogPen) | Returns settings of a pen object identified by its handle. |
| dxGetRed(TdxAlphaColor) | Extracts the red color component value from a specified color. |
| dxGraphicIsEquals(TGraphic,TGraphic) | Identifies if the content of two specified image containers is identical. |
| dxIsAlphaUsed(TBitmap) | Determines if the alpha channel is used in a specified bitmap object. |
| dxMakeAlphaColor(Byte,Byte,Byte,Byte) | |
| dxMakeAlphaColor(Byte,Byte,Byte) | |
| dxMakeAlphaColor(TColor,Byte) | Creates a TdxAlphaColor value from individual color component values and returns it as the function’s result. |
| dxRGBQuadToColor(TRGBQuad) | Converts a specified TRGBQuad value to the TColor type. |
| GetBitmapBits(TBitmap,TRGBColors,Boolean) | |
| GetBitmapBitsByScanLine(TBitmap,TRGBColors) | Obtains pixel data from individual scanlines of a specified bitmap object. |
| SetBitmapBits(TBitmap,TRGBColors,Boolean) | Stores pixel data to a specified bitmap object. |
| Name | Description |
|---|---|
| AlphaMask | Specifies the hexadecimal value that corresponds to the non-transparent TdxAlphaColor value. |
| AlphaShift | Specifies the right bit shift that corresponds to alpha component bits in a TdxAlphaColor value. |
| BlueMask | Specifies the hexadecimal value that corresponds to the blue TdxAlphaColor value. |
| BlueShift | Specifies the right bit shift corresponding to blue component bits in a TdxAlphaColor value. |
| dxacDefault | Stores the default TdxAlphaColor value that corresponds to a skin-determined color. |
| dxacNone | Stores the empty TdxAlphaColor value whose alpha and color channels are set to zero. |
| GreenMask | Specifies the hexadecimal value corresponding to the green TdxAlphaColor value. |
| GreenShift | Specifies the right bit shift corresponding to green component bits in a TdxAlphaColor value. |
| RedMask | Specifies the hexadecimal value corresponding to the red TdxAlphaColor value. |
| RedShift | Specifies the right bit shift corresponding to red component bits in a TdxAlphaColor value. |
| Name | Description |
|---|---|
| PdxAlphaColor | The pointer type for TdxAlphaColor. |
| TdxAlphaColor | A 4-byte unsigned integer that stores red, green, blue, and alpha (opacity) color component values (from 0 to 255). |
| TdxAlphaColorFunc | |
| TRGBColors | An array of TRGBQuad values used to store pixel data. |
Add the dxCoreGraphics unit to the uses clause of your project (in Delphi) or include the dxCoreGraphics.hpp header to the required source code file (in C++Builder) to use DevExpress color and image-related types and methods in your code.