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//***************************************************************************** // // grlib.h - Prototypes for the low level primitives provided by the graphics // library. // // Copyright (c) 2007-2008 Luminary Micro, Inc. All rights reserved. // // Software License Agreement // // Luminary Micro, Inc. (LMI) is supplying this software for use solely and // exclusively on LMI's microcontroller products. // // The software is owned by LMI and/or its suppliers, and is protected under // applicable copyright laws. All rights are reserved. You may not combine // this software with "viral" open-source software in order to form a larger // program. Any use in violation of the foregoing restrictions may subject // the user to criminal sanctions under applicable laws, as well as to civil // liability for the breach of the terms and conditions of this license. // // THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED // OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. // LMI SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR // CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. // // This is part of revision 2523 of the Stellaris Graphics Library. // //***************************************************************************** #ifndef __GRLIB_H__ #define __GRLIB_H__ //***************************************************************************** // //! \addtogroup primitives_api //! @{ // //***************************************************************************** //***************************************************************************** // // If building with a C++ compiler, make all of the definitions in this header // have a C binding. // //***************************************************************************** #ifdef __cplusplus extern "C" { #endif //***************************************************************************** // //! This structure defines the extents of a rectangle. All points greater than //! or equal to the minimum and less than or equal to the maximum are part of //! the rectangle. // //***************************************************************************** typedef struct { // //! The minimum X coordinate of the rectangle. // short sXMin; // //! The minimum Y coordinate of the rectangle. // short sYMin; // //! The maximum X coordinate of the rectangle. // short sXMax; // //! The maximum Y coordinate of the rectangle. // short sYMax; } tRectangle; //***************************************************************************** // //! This structure defines the characteristics of a display driver. // //***************************************************************************** typedef struct { // //! The size of this structure. // long lSize; // //! A pointer to display driver-specific data. // void *pvDisplayData; // //! The width of this display. // unsigned short usWidth; // //! The height of this display. // unsigned short usHeight; // //! A pointer to the function to draw a pixel on this display. // void (*pfnPixelDraw)(void *pvDisplayData, long lX, long lY, unsigned long ulValue); // //! A pointer to the function to draw multiple pixels on this display. // void (*pfnPixelDrawMultiple)(void *pvDisplayData, long lX, long lY, long lX0, long lCount, long lBPP, const unsigned char *pucData, const unsigned char *pucPalette); // //! A pointer to the function to draw a horizontal line on this display. // void (*pfnLineDrawH)(void *pvDisplayData, long lX1, long lX2, long lY, unsigned long ulValue); // //! A pointer to the function to draw a vertical line on this display. // void (*pfnLineDrawV)(void *pvDisplayData, long lX, long lY1, long lY2, unsigned long ulValue); // //! A pointer to the function to draw a filled rectangle on this display. // void (*pfnRectFill)(void *pvDisplayData, const tRectangle *pRect, unsigned long ulValue); // //! A pointer to the function to translate 24-bit RGB colors to //! display-specific colors. // unsigned long (*pfnColorTranslate)(void *pvDisplayData, unsigned long ulValue); // //! A pointer to the function to flush any cached drawing operations on //! this display. // void (*pfnFlush)(void *pvDisplayData); } tDisplay; //***************************************************************************** // //! This structure describes a font used for drawing text onto the screen. // //***************************************************************************** typedef struct { // //! The format of the font. Can be one of FONT_FMT_UNCOMPRESSED or //! FONT_FMT_PIXEL_RLE. // unsigned char ucFormat; // //! The maximum width of a character; this is the width of the widest //! character in the font, though any individual character may be narrower //! than this width. // unsigned char ucMaxWidth; // //! The height of the character cell; this may be taller than the font data //! for the characters (to provide inter-line spacing). // unsigned char ucHeight; // //! The offset between the top of the character cell and the baseline of //! the glyph. The baseline is the bottom row of a capital letter, below //! which only the descenders of the lower case letters occur. // unsigned char ucBaseline; // //! The offset within pucData to the data for each character in the font. // unsigned short pusOffset[96]; // //! A pointer to the data for the font. // const unsigned char *pucData; } tFont; //***************************************************************************** // //! Indicates that the font data is stored in an uncompressed format. // //***************************************************************************** #define FONT_FMT_UNCOMPRESSED 0x00 //***************************************************************************** // //! Indicates that the font data is stored using a pixel-based RLE format. // //***************************************************************************** #define FONT_FMT_PIXEL_RLE 0x01 //***************************************************************************** // //! Indicates that the image data is not compressed and represents each pixel //! with a single bit. // //***************************************************************************** #define IMAGE_FMT_1BPP_UNCOMP 0x01 //***************************************************************************** // //! Indicates that the image data is not compressed and represents each pixel //! with four bits. // //***************************************************************************** #define IMAGE_FMT_4BPP_UNCOMP 0x04 //***************************************************************************** // //! Indicates that the image data is not compressed and represents each pixel //! with eight bits. // //***************************************************************************** #define IMAGE_FMT_8BPP_UNCOMP 0x08 //***************************************************************************** // //! Indicates that the image data is compressed and represents each pixel with //! a single bit. // //***************************************************************************** #define IMAGE_FMT_1BPP_COMP 0x81 //***************************************************************************** // //! Indicates that the image data is compressed and represents each pixel with //! four bits. // //***************************************************************************** #define IMAGE_FMT_4BPP_COMP 0x84 //***************************************************************************** // //! Indicates that the image data is compressed and represents each pixel with //! eight bits. // //***************************************************************************** #define IMAGE_FMT_8BPP_COMP 0x88 //***************************************************************************** // //! This structure defines a drawing context to be used to draw onto the //! screen. Multiple drawing contexts may exist at any time. // //***************************************************************************** typedef struct { // //! The size of this structure. // long lSize; // //! The screen onto which drawing operations are performed. // const tDisplay *pDisplay; // //! The clipping region to be used when drawing onto the screen. // tRectangle sClipRegion; // //! The color used to draw primitives onto the screen. // unsigned long ulForeground; // //! The background color used to draw primitives onto the screen. // unsigned long ulBackground; // //! The font used to render text onto the screen. // const tFont *pFont; } tContext; //***************************************************************************** // //! Sets the background color to be used. //! //! \param pContext is a pointer to the drawing context to modify. //! \param ulValue is the 24-bit RGB color to be used. //! //! This function sets the background color to be used for drawing operations //! in the specified drawing context. //! //! \return None. // //***************************************************************************** #define GrContextBackgroundSet(pContext, ulValue) \ do \ { \ tContext *pC = pContext; \ pC->ulBackground = DpyColorTranslate(pC->pDisplay, ulValue); \ } \ while(0) //***************************************************************************** // //! Sets the background color to be used. //! //! \param pContext is a pointer to the drawing context to modify. //! \param ulValue is the display driver-specific color to be used. //! //! This function sets the background color to be used for drawing operations //! in the specified drawing context, using a color that has been previously //! translated to a driver-specific color (for example, via //! DpyColorTranslate()). //! //! \return None. // //***************************************************************************** #define GrContextBackgroundSetTranslated(pContext, ulValue) \ do \ { \ tContext *pC = pContext; \ pC->ulBackground = ulValue; \ } \ while(0) //***************************************************************************** // //! Gets the width of the display being used by this drawing context. //! //! \param pContext is a pointer to the drawing context to query. //! //! This function returns the width of the display that is being used by this //! drawing context. //! //! \return Returns the width of the display in pixels. // //***************************************************************************** #define GrContextDpyWidthGet(pContext) \ (DpyWidthGet((pContext)->pDisplay)) //***************************************************************************** // //! Gets the height of the display being used by this drawing context. //! //! \param pContext is a pointer to the drawing context to query. //! //! This function returns the height of the display that is being used by this //! drawing context. //! //! \return Returns the height of the display in pixels. // //***************************************************************************** #define GrContextDpyHeightGet(pContext) \ (DpyHeightGet((pContext)->pDisplay)) //***************************************************************************** // //! Sets the font to be used. //! //! \param pContext is a pointer to the drawing context to modify. //! \param pFnt is a pointer to the font to be used. //! //! This function sets the font to be used for string drawing operations in the //! specified drawing context. //! //! \return None. // //***************************************************************************** #define GrContextFontSet(pContext, pFnt) \ do \ { \ tContext *pC = pContext; \ const tFont *pF = pFnt; \ pC->pFont = pF; \ } \ while(0) //***************************************************************************** // //! Sets the foreground color to be used. //! //! \param pContext is a pointer to the drawing context to modify. //! \param ulValue is the 24-bit RGB color to be used. //! //! This function sets the color to be used for drawing operations in the //! specified drawing context. //! //! \return None. // //***************************************************************************** #define GrContextForegroundSet(pContext, ulValue) \ do \ { \ tContext *pC = pContext; \ pC->ulForeground = DpyColorTranslate(pC->pDisplay, ulValue); \ } \ while(0) //***************************************************************************** // //! Sets the foreground color to be used. //! //! \param pContext is a pointer to the drawing context to modify. //! \param ulValue is the display driver-specific color to be used. //! //! This function sets the foreground color to be used for drawing operations //! in the specified drawing context, using a color that has been previously //! translated to a driver-specific color (for example, via //! DpyColorTranslate()). //! //! \return None. // //***************************************************************************** #define GrContextForegroundSetTranslated(pContext, ulValue) \ do \ { \ tContext *pC = pContext; \ pC->ulForeground = ulValue; \ } \ while(0) //***************************************************************************** // //! Flushes any cached drawing operations. //! //! \param pContext is a pointer to the drawing context to use. //! //! This function flushes any cached drawing operations. For display drivers //! that draw into a local frame buffer before writing to the actual display, //! calling this function will cause the display to be updated to match the //! contents of the local frame buffer. //! //! \return None. // //***************************************************************************** #define GrFlush(pContext) \ do \ { \ const tContext *pC = pContext; \ DpyFlush(pC->pDisplay); \ } \ while(0) //***************************************************************************** // //! Gets the baseline of a font. //! //! \param pFont is a pointer to the font to query. //! //! This function determines the baseline position of a font. The baseline is //! the offset between the top of the font and the bottom of the capital //! letters. The only font data that exists below the baseline are the //! descenders on some lower-case letters (such as ``y''). //! //! \return Returns the baseline of the font, in pixels. // //***************************************************************************** #define GrFontBaselineGet(pFont) \ ((pFont)->ucBaseline) //***************************************************************************** // //! Gets the height of a font. //! //! \param pFont is a pointer to the font to query. //! //! This function determines the height of a font. The height is the offset //! between the top of the font and the bottom of the font, including any //! ascenders and descenders. //! //! \return Returns the height of the font, in pixels. // //***************************************************************************** #define GrFontHeightGet(pFont) \ ((pFont)->ucHeight) //***************************************************************************** // //! Gets the maximum width of a font. //! //! \param pFont is a pointer to the font to query. //! //! This function determines the maximum width of a font. The maximum width is //! the width of the widest individual character in the font. //! //! \return Returns the maximum width of the font, in pixels. // //***************************************************************************** #define GrFontMaxWidthGet(pFont) \ ((pFont)->ucMaxWidth) //***************************************************************************** // //! Gets the number of colors in an image. //! //! \param pucImage is a pointer to the image to query. //! //! This function determines the number of colors in the palette of an image. //! This is only valid for 4bpp and 8bpp images; 1bpp images do not contain a //! palette. //! //! \return Returns the number of colors in the image. // //***************************************************************************** #define GrImageColorsGet(pucImage) \ (((unsigned char *)pucImage)[5] + 1) //***************************************************************************** // //! Gets the height of an image. //! //! \param pucImage is a pointer to the image to query. //! //! This function determines the height of an image in pixels. //! //! \return Returns the height of the image in pixels. // //***************************************************************************** #define GrImageHeightGet(pucImage) \ (*(unsigned short *)(pucImage + 3)) //***************************************************************************** // //! Gets the width of an image. //! //! \param pucImage is a pointer to the image to query. //! //! This function determines the width of an image in pixels. //! //! \return Returns the width of the image in pixels. // //***************************************************************************** #define GrImageWidthGet(pucImage) \ (*(unsigned short *)(pucImage + 1)) //***************************************************************************** // //! Determines the size of the buffer for a 1 BPP off-screen image. //! //! \param lWidth is the width of the image in pixels. //! \param lHeight is the height of the image in pixels. //! //! This function determines the size of the memory buffer required to hold a //! 1 BPP off-screen image of the specified geometry. //! //! \return Returns the number of bytes required by the image. // //***************************************************************************** #define GrOffScreen1BPPSize(lWidth, lHeight) \ (5 + (((lWidth + 7) / 8) * lHeight)) //***************************************************************************** // //! Determines the size of the buffer for a 4 BPP off-screen image. //! //! \param lWidth is the width of the image in pixels. //! \param lHeight is the height of the image in pixels. //! //! This function determines the size of the memory buffer required to hold a //! 4 BPP off-screen image of the specified geometry. //! //! \return Returns the number of bytes required by the image. // //***************************************************************************** #define GrOffScreen4BPPSize(lWidth, lHeight) \ (6 + (16 * 3) + (((lWidth + 1) / 2) * lHeight)) //***************************************************************************** // //! Determines the size of the buffer for an 8 BPP off-screen image. //! //! \param lWidth is the width of the image in pixels. //! \param lHeight is the height of the image in pixels. //! //! This function determines the size of the memory buffer required to hold an //! 8 BPP off-screen image of the specified geometry. //! //! \return Returns the number of bytes required by the image. // //***************************************************************************** #define GrOffScreen8BPPSize(lWidth, lHeight) \ (6 + (256 * 3) + (lWidth * lHeight)) //***************************************************************************** // //! Draws a pixel. //! //! \param pContext is a pointer to the drawing context to use. //! \param lX is the X coordinate of the pixel. //! \param lY is the Y coordinate of the pixel. //! //! This function draws a pixel if it resides within the clipping region. //! //! \return None. // //***************************************************************************** #define GrPixelDraw(pContext, lX, lY) \ do \ { \ const tContext *pC = pContext; \ if((lX >= pC->sClipRegion.sXMin) && \ (lX <= pC->sClipRegion.sXMax) && \ (lY >= pC->sClipRegion.sYMin) && \ (lY <= pC->sClipRegion.sYMax)) \ { \ DpyPixelDraw(pC->pDisplay, lX, lY, pC->ulForeground); \ } \ } \ while(0) //***************************************************************************** // //! Gets the baseline of a string. //! //! \param pContext is a pointer to the drawing context to query. //! //! This function determines the baseline position of a string. The baseline //! is the offset between the top of the string and the bottom of the capital //! letters. The only string data that exists below the baseline are the //! descenders on some lower-case letters (such as ``y''). //! //! \return Returns the baseline of the string, in pixels. // //***************************************************************************** #define GrStringBaselineGet(pContext) \ ((pContext)->pFont->ucBaseline) //***************************************************************************** // //! Draws a centered string. //! //! \param pContext is a pointer to the drawing context to use. //! \param pcString is a pointer to the string to be drawn. //! \param lLength is the number of characters from the string that should be //! drawn on the screen. //! \param lX is the X coordinate of the center of the string position on the //! screen. //! \param lY is the Y coordinate of the center of the string position on the //! screen. //! \param bOpaque is \b true if the background of each character should be //! drawn and \b false if it should not (leaving the background as is). //! //! This function draws a string of test on the screen centered upon the //! provided position. The \e lLength parameter allows a portion of the //! string to be examined without having to insert a NULL character at the //! stopping point (which would not be possible if the string was located in //! flash); specifying a length of -1 will cause the entire string to be //! rendered (subject to clipping). //! //! \return None. // //***************************************************************************** #define GrStringDrawCentered(pContext, pcString, lLength, lX, lY, bOpaque) \ do \ { \ const tContext *pC = pContext; \ const char *pcStr = pcString; \ \ GrStringDraw(pC, pcStr, lLength, \ (lX) - (GrStringWidthGet(pC, pcStr, lLength) / 2), \ (lY) - (pC->pFont->ucBaseline / 2), bOpaque); \ } \ while(0) //***************************************************************************** // //! Gets the height of a string. //! //! \param pContext is a pointer to the drawing context to query. //! //! This function determines the height of a string. The height is the offset //! between the top of the string and the bottom of the string, including any //! ascenders and descenders. Note that this will not account for the case //! where the string in question does not have any characters that use //! descenders but the font in the drawing context does contain characters with //! descenders. //! //! \return Returns the height of the string, in pixels. // //***************************************************************************** #define GrStringHeightGet(pContext) \ ((pContext)->pFont->ucHeight) //***************************************************************************** // //! Gets the maximum width of a character in a string. //! //! \param pContext is a pointer to the drawing context to query. //! //! This function determines the maximum width of a character in a string. The //! maximum width is the width of the widest individual character in the font //! used to render the string, which may be wider than the widest character //! that is used to render a particular string. //! //! \return Returns the maximum width of a character in a string, in pixels. // //***************************************************************************** #define GrStringMaxWidthGet(pContext) \ ((pContext)->pFont->ucMaxWidth) //***************************************************************************** // // A set of color definitions. This set is the subset of the X11 colors (from // rgb.txt) that are supported by typical web browsers. // //***************************************************************************** #define ClrAliceBlue 0x00F0F8FF #define ClrAntiqueWhite 0x00FAEBD7 #define ClrAqua 0x0000FFFF #define ClrAquamarine 0x007FFFD4 #define ClrAzure 0x00F0FFFF #define ClrBeige 0x00F5F5DC #define ClrBisque 0x00FFE4C4 #define ClrBlack 0x00000000 #define ClrBlanchedAlmond 0x00FFEBCD #define ClrBlue 0x000000FF #define ClrBlueViolet 0x008A2BE2 #define ClrBrown 0x00A52A2A #define ClrBurlyWood 0x00DEB887 #define ClrCadetBlue 0x005F9EA0 #define ClrChartreuse 0x007FFF00 #define ClrChocolate 0x00D2691E #define ClrCoral 0x00FF7F50 #define ClrCornflowerBlue 0x006495ED #define ClrCornsilk 0x00FFF8DC #define ClrCrimson 0x00DC143C #define ClrCyan 0x0000FFFF #define ClrDarkBlue 0x0000008B #define ClrDarkCyan 0x00008B8B #define ClrDarkGoldenrod 0x00B8860B #define ClrDarkGray 0x00A9A9A9 #define ClrDarkGreen 0x00006400 #define ClrDarkKhaki 0x00BDB76B #define ClrDarkMagenta 0x008B008B #define ClrDarkOliveGreen 0x00556B2F #define ClrDarkOrange 0x00FF8C00 #define ClrDarkOrchid 0x009932CC #define ClrDarkRed 0x008B0000 #define ClrDarkSalmon 0x00E9967A #define ClrDarkSeaGreen 0x008FBC8F #define ClrDarkSlateBlue 0x00483D8B #define ClrDarkSlateGray 0x002F4F4F #define ClrDarkTurquoise 0x0000CED1 #define ClrDarkViolet 0x009400D3 #define ClrDeepPink 0x00FF1493 #define ClrDeepSkyBlue 0x0000BFFF #define ClrDimGray 0x00696969 #define ClrDodgerBlue 0x001E90FF #define ClrFireBrick 0x00B22222 #define ClrFloralWhite 0x00FFFAF0 #define ClrForestGreen 0x00228B22 #define ClrFuchsia 0x00FF00FF #define ClrGainsboro 0x00DCDCDC #define ClrGhostWhite 0x00F8F8FF #define ClrGold 0x00FFD700 #define ClrGoldenrod 0x00DAA520 #define ClrGray 0x00808080 #define ClrGreen 0x00008000 #define ClrGreenYellow 0x00ADFF2F #define ClrHoneydew 0x00F0FFF0 #define ClrHotPink 0x00FF69B4 #define ClrIndianRed 0x00CD5C5C #define ClrIndigo 0x004B0082 #define ClrIvory 0x00FFFFF0 #define ClrKhaki 0x00F0E68C #define ClrLavender 0x00E6E6FA #define ClrLavenderBlush 0x00FFF0F5 #define ClrLawnGreen 0x007CFC00 #define ClrLemonChiffon 0x00FFFACD #define ClrLightBlue 0x00ADD8E6 #define ClrLightCoral 0x00F08080 #define ClrLightCyan 0x00E0FFFF #define ClrLightGoldenrodYellow 0x00FAFAD2 #define ClrLightGreen 0x0090EE90 #define ClrLightGrey 0x00D3D3D3 #define ClrLightPink 0x00FFB6C1 #define ClrLightSalmon 0x00FFA07A #define ClrLightSeaGreen 0x0020B2AA #define ClrLightSkyBlue 0x0087CEFA #define ClrLightSlateGray 0x00778899 #define ClrLightSteelBlue 0x00B0C4DE #define ClrLightYellow 0x00FFFFE0 #define ClrLime 0x0000FF00 #define ClrLimeGreen 0x0032CD32 #define ClrLinen 0x00FAF0E6 #define ClrMagenta 0x00FF00FF #define ClrMaroon 0x00800000 #define ClrMediumAquamarine 0x0066CDAA #define ClrMediumBlue 0x000000CD #define ClrMediumOrchid 0x00BA55D3 #define ClrMediumPurple 0x009370DB #define ClrMediumSeaGreen 0x003CB371 #define ClrMediumSlateBlue 0x007B68EE #define ClrMediumSpringGreen 0x0000FA9A #define ClrMediumTurquoise 0x0048D1CC #define ClrMediumVioletRed 0x00C71585 #define ClrMidnightBlue 0x00191970 #define ClrMintCream 0x00F5FFFA #define ClrMistyRose 0x00FFE4E1 #define ClrMoccasin 0x00FFE4B5 #define ClrNavajoWhite 0x00FFDEAD #define ClrNavy 0x00000080 #define ClrOldLace 0x00FDF5E6 #define ClrOlive 0x00808000 #define ClrOliveDrab 0x006B8E23 #define ClrOrange 0x00FFA500 #define ClrOrangeRed 0x00FF4500 #define ClrOrchid 0x00DA70D6 #define ClrPaleGoldenrod 0x00EEE8AA #define ClrPaleGreen 0x0098FB98 #define ClrPaleTurquoise 0x00AFEEEE #define ClrPaleVioletRed 0x00DB7093 #define ClrPapayaWhip 0x00FFEFD5 #define ClrPeachPuff 0x00FFDAB9 #define ClrPeru 0x00CD853F #define ClrPink 0x00FFC0CB #define ClrPlum 0x00DDA0DD #define ClrPowderBlue 0x00B0E0E6 #define ClrPurple 0x00800080 #define ClrRed 0x00FF0000 #define ClrRosyBrown 0x00BC8F8F #define ClrRoyalBlue 0x004169E1 #define ClrSaddleBrown 0x008B4513 #define ClrSalmon 0x00FA8072 #define ClrSandyBrown 0x00F4A460 #define ClrSeaGreen 0x002E8B57 #define ClrSeashell 0x00FFF5EE #define ClrSienna 0x00A0522D #define ClrSilver 0x00C0C0C0 #define ClrSkyBlue 0x0087CEEB #define ClrSlateBlue 0x006A5ACD #define ClrSlateGray 0x00708090 #define ClrSnow 0x00FFFAFA #define ClrSpringGreen 0x0000FF7F #define ClrSteelBlue 0x004682B4 #define ClrTan 0x00D2B48C #define ClrTeal 0x00008080 #define ClrThistle 0x00D8BFD8 #define ClrTomato 0x00FF6347 #define ClrTurquoise 0x0040E0D0 #define ClrViolet 0x00EE82EE #define ClrWheat 0x00F5DEB3 #define ClrWhite 0x00FFFFFF #define ClrWhiteSmoke 0x00F5F5F5 #define ClrYellow 0x00FFFF00 #define ClrYellowGreen 0x009ACD32 //***************************************************************************** // // Masks and shifts to aid in color format translation by drivers. // //***************************************************************************** #define ClrRedMask 0x00FF0000 #define ClrRedShift 16 #define ClrGreenMask 0x0000FF00 #define ClrGreenShift 8 #define ClrBlueMask 0x000000FF #define ClrBlueShift 0 //***************************************************************************** // // Prototypes for the predefined fonts in the graphics library. ..Cm.. is the // computer modern font, which is a serif font. ..Cmsc.. is the computer // modern small-caps font, which is also a serif font. ..Cmss.. is the // computer modern sans-serif font. // //***************************************************************************** extern const tFont g_sFontCm12; extern const tFont g_sFontCm12b; extern const tFont g_sFontCm12i; extern const tFont g_sFontCm14; extern const tFont g_sFontCm14b; extern const tFont g_sFontCm14i; extern const tFont g_sFontCm16; extern const tFont g_sFontCm16b; extern const tFont g_sFontCm16i; extern const tFont g_sFontCm18; extern const tFont g_sFontCm18b; extern const tFont g_sFontCm18i; extern const tFont g_sFontCm20; extern const tFont g_sFontCm20b; extern const tFont g_sFontCm20i; extern const tFont g_sFontCm22; extern const tFont g_sFontCm22b; extern const tFont g_sFontCm22i; extern const tFont g_sFontCm24; extern const tFont g_sFontCm24b; extern const tFont g_sFontCm24i; extern const tFont g_sFontCm26; extern const tFont g_sFontCm26b; extern const tFont g_sFontCm26i; extern const tFont g_sFontCm28; extern const tFont g_sFontCm28b; extern const tFont g_sFontCm28i; extern const tFont g_sFontCm30; extern const tFont g_sFontCm30b; extern const tFont g_sFontCm30i; extern const tFont g_sFontCm32; extern const tFont g_sFontCm32b; extern const tFont g_sFontCm32i; extern const tFont g_sFontCm34; extern const tFont g_sFontCm34b; extern const tFont g_sFontCm34i; extern const tFont g_sFontCm36; extern const tFont g_sFontCm36b; extern const tFont g_sFontCm36i; extern const tFont g_sFontCm38; extern const tFont g_sFontCm38b; extern const tFont g_sFontCm38i; extern const tFont g_sFontCm40; extern const tFont g_sFontCm40b; extern const tFont g_sFontCm40i; extern const tFont g_sFontCm42; extern const tFont g_sFontCm42b; extern const tFont g_sFontCm42i; extern const tFont g_sFontCm44; extern const tFont g_sFontCm44b; extern const tFont g_sFontCm44i; extern const tFont g_sFontCm46; extern const tFont g_sFontCm46b; extern const tFont g_sFontCm46i; extern const tFont g_sFontCm48; extern const tFont g_sFontCm48b; extern const tFont g_sFontCm48i; extern const tFont g_sFontCmsc12; extern const tFont g_sFontCmsc14; extern const tFont g_sFontCmsc16; extern const tFont g_sFontCmsc18; extern const tFont g_sFontCmsc20; extern const tFont g_sFontCmsc22; extern const tFont g_sFontCmsc24; extern const tFont g_sFontCmsc26; extern const tFont g_sFontCmsc28; extern const tFont g_sFontCmsc30; extern const tFont g_sFontCmsc32; extern const tFont g_sFontCmsc34; extern const tFont g_sFontCmsc36; extern const tFont g_sFontCmsc38; extern const tFont g_sFontCmsc40; extern const tFont g_sFontCmsc42; extern const tFont g_sFontCmsc44; extern const tFont g_sFontCmsc46; extern const tFont g_sFontCmsc48; extern const tFont g_sFontCmss12; extern const tFont g_sFontCmss12b; extern const tFont g_sFontCmss12i; extern const tFont g_sFontCmss14; extern const tFont g_sFontCmss14b; extern const tFont g_sFontCmss14i; extern const tFont g_sFontCmss16; extern const tFont g_sFontCmss16b; extern const tFont g_sFontCmss16i; extern const tFont g_sFontCmss18; extern const tFont g_sFontCmss18b; extern const tFont g_sFontCmss18i; extern const tFont g_sFontCmss20; extern const tFont g_sFontCmss20b; extern const tFont g_sFontCmss20i; extern const tFont g_sFontCmss22; extern const tFont g_sFontCmss22b; extern const tFont g_sFontCmss22i; extern const tFont g_sFontCmss24; extern const tFont g_sFontCmss24b; extern const tFont g_sFontCmss24i; extern const tFont g_sFontCmss26; extern const tFont g_sFontCmss26b; extern const tFont g_sFontCmss26i; extern const tFont g_sFontCmss28; extern const tFont g_sFontCmss28b; extern const tFont g_sFontCmss28i; extern const tFont g_sFontCmss30; extern const tFont g_sFontCmss30b; extern const tFont g_sFontCmss30i; extern const tFont g_sFontCmss32; extern const tFont g_sFontCmss32b; extern const tFont g_sFontCmss32i; extern const tFont g_sFontCmss34; extern const tFont g_sFontCmss34b; extern const tFont g_sFontCmss34i; extern const tFont g_sFontCmss36; extern const tFont g_sFontCmss36b; extern const tFont g_sFontCmss36i; extern const tFont g_sFontCmss38; extern const tFont g_sFontCmss38b; extern const tFont g_sFontCmss38i; extern const tFont g_sFontCmss40; extern const tFont g_sFontCmss40b; extern const tFont g_sFontCmss40i; extern const tFont g_sFontCmss42; extern const tFont g_sFontCmss42b; extern const tFont g_sFontCmss42i; extern const tFont g_sFontCmss44; extern const tFont g_sFontCmss44b; extern const tFont g_sFontCmss44i; extern const tFont g_sFontCmss46; extern const tFont g_sFontCmss46b; extern const tFont g_sFontCmss46i; extern const tFont g_sFontCmss48; extern const tFont g_sFontCmss48b; extern const tFont g_sFontCmss48i; extern const tFont g_sFontFixed6x8; //***************************************************************************** // //! Translates a 24-bit RGB color to a display driver-specific color. //! //! \param pDisplay is the pointer to the display driver structure for the //! display to operate upon. //! \param ulValue is the 24-bit RGB color. The least-significant byte is the //! blue channel, the next byte is the green channel, and the third byte is the //! red channel. //! //! This function translates a 24-bit RGB color into a value that can be //! written into the display's frame buffer in order to reproduce that color, //! or the closest possible approximation of that color. //! //! \return Returns the display-driver specific color. // //***************************************************************************** #define DpyColorTranslate(pDisplay, ulValue) \ ((pDisplay)->pfnColorTranslate((pDisplay)->pvDisplayData, ulValue)) //***************************************************************************** // //! Flushes cached drawing operations. //! //! \param pDisplay is the pointer to the display driver structure for the //! display to operate upon. //! //! This function flushes any cached drawing operations on a display. //! //! \return None. // //***************************************************************************** #define DpyFlush(pDisplay) \ do \ { \ const tDisplay *pD = pDisplay; \ pD->pfnFlush(pD->pvDisplayData); \ } \ while(0) //***************************************************************************** // //! Gets the height of the display. //! //! \param pDisplay is a pointer to the display driver structure for the //! display to query. //! //! This function determines the height of the display. //! //! \return Returns the height of the display in pixels. // //***************************************************************************** #define DpyHeightGet(pDisplay) \ ((pDisplay)->usHeight) //***************************************************************************** // //! Draws a horizontal line on a display. //! //! \param pDisplay is the pointer to the display driver structure for the //! display to operate upon. //! \param lX1 is the starting X coordinate of the line. //! \param lX2 is the ending X coordinate of the line. //! \param lY is the Y coordinate of the line. //! \param ulValue is the color to draw the line. //! //! This function draws a horizontal line on a display. This assumes that //! clipping has already been performed, and that both end points of the line //! are within the extents of the display. //! //! \return None. // //***************************************************************************** #define DpyLineDrawH(pDisplay, lX1, lX2, lY, ulValue) \ do \ { \ const tDisplay *pD = pDisplay; \ pD->pfnLineDrawH(pD->pvDisplayData, lX1, lX2, lY, ulValue); \ } \ while(0) //***************************************************************************** // //! Draws a vertical line on a display. //! //! \param pDisplay is the pointer to the display driver structure for the //! display to operate upon. //! \param lX is the X coordinate of the line. //! \param lY1 is the starting Y coordinate of the line. //! \param lY2 is the ending Y coordinate of the line. //! \param ulValue is the color to draw the line. //! //! This function draws a vertical line on a display. This assumes that //! clipping has already been performed, and that both end points of the line //! are within the extents of the display. //! //! \return None. // //***************************************************************************** #define DpyLineDrawV(pDisplay, lX, lY1, lY2, ulValue) \ do \ { \ const tDisplay *pD = pDisplay; \ pD->pfnLineDrawV(pD->pvDisplayData, lX, lY1, lY2, ulValue); \ } \ while(0) //***************************************************************************** // //! Draws a pixel on a display. //! //! \param pDisplay is the pointer to the display driver structure for the //! display to operate upon. //! \param lX is the X coordinate of the pixel. //! \param lY is the Y coordinate of the pixel. //! \param ulValue is the color to draw the pixel. //! //! This function draws a pixel on a display. This assumes that clipping has //! already been performed. //! //! \return None. // //***************************************************************************** #define DpyPixelDraw(pDisplay, lX, lY, ulValue) \ do \ { \ const tDisplay *pD = pDisplay; \ pD->pfnPixelDraw(pD->pvDisplayData, lX, lY, ulValue); \ } \ while(0) //***************************************************************************** // //! Draws a horizontal sequence of pixels on a display. //! //! \param pDisplay is the pointer to the display driver structure for the //! display to operate upon. //! \param lX is the X coordinate of the first pixel. //! \param lY is the Y coordinate of the first pixel. //! \param lX0 is sub-pixel offset within the pixel data, which is valid for 1 //! or 4 bit per pixel formats. //! \param lCount is the number of pixels to draw. //! \param lBPP is the number of bits per pixel; must be 1, 4, or 8. //! \param pucData is a pointer to the pixel data. For 1 and 4 bit per pixel //! formats, the most significant bit(s) represent the left-most pixel. //! \param pucPalette is a pointer to the palette used to draw the pixels. //! //! This function draws a horizontal sequence of pixels on a display, using the //! supplied palette. For 1 bit per pixel format, the palette contains //! pre-translated colors; for 4 and 8 bit per pixel formats, the palette //! contains 24-bit RGB values that must be translated before being written to //! the display. //! //! \return None. // //***************************************************************************** #define DpyPixelDrawMultiple(pDisplay, lX, lY, lX0, lCount, lBPP, pucData, \ pucPalette) \ do \ { \ const tDisplay *pD = pDisplay; \ pD->pfnPixelDrawMultiple(pD->pvDisplayData, lX, lY, lX0, lCount, \ lBPP, pucData, pucPalette); \ } \ while(0) //***************************************************************************** // //! Fills a rectangle on a display. //! //! \param pDisplay is the pointer to the display driver structure for the //! display to operate upon. //! \param pRect is a pointer to the structure describing the rectangle to //! fill. //! \param ulValue is the color to fill the rectangle. //! //! This function fills a rectangle on the display. This assumes that clipping //! has already been performed, and that all sides of the rectangle are within //! the extents of the display. //! //! \return None. // //***************************************************************************** #define DpyRectFill(pDisplay, pRect, ulValue) \ do \ { \ const tDisplay *pD = pDisplay; \ pD->pfnRectFill(pD->pvDisplayData, pRect, ulValue); \ } \ while(0) //***************************************************************************** // //! Gets the width of the display. //! //! \param pDisplay is a pointer to the display driver structure for the //! display to query. //! //! This function determines the width of the display. //! //! \return Returns the width of the display in pixels. // //***************************************************************************** #define DpyWidthGet(pDisplay) \ ((pDisplay)->usWidth) //***************************************************************************** // // Prototypes for the graphics library functions. // //***************************************************************************** extern void GrCircleDraw(const tContext *pContext, long lX, long lY, long lRadius); extern void GrCircleFill(const tContext *pContext, long lX, long lY, long lRadius); extern void GrContextClipRegionSet(tContext *pContext, tRectangle *pRect); extern void GrContextInit(tContext *pContext, const tDisplay *pDisplay); extern void GrImageDraw(const tContext *pContext, const unsigned char *pucImage, long lX, long lY); extern void GrLineDraw(const tContext *pContext, long lX1, long lY1, long lX2, long lY2); extern void GrLineDrawH(const tContext *pContext, long lX1, long lX2, long lY); extern void GrLineDrawV(const tContext *pContext, long lX, long lY1, long lY2); extern void GrOffScreen1BPPInit(tDisplay *pDisplay, unsigned char *pucImage, long lWidth, long lHeight); extern void GrOffScreen4BPPInit(tDisplay *pDisplay, unsigned char *pucImage, long lWidth, long lHeight); extern void GrOffScreen4BPPPaletteSet(tDisplay *pDisplay, unsigned long *pulPalette, unsigned long ulOffset, unsigned long ulCount); extern void GrOffScreen8BPPInit(tDisplay *pDisplay, unsigned char *pucImage, long lWidth, long lHeight); extern void GrOffScreen8BPPPaletteSet(tDisplay *pDisplay, unsigned long *pulPalette, unsigned long ulOffset, unsigned long ulCount); extern void GrRectDraw(const tContext *pContext, const tRectangle *pRect); extern void GrRectFill(const tContext *pContext, const tRectangle *pRect); extern void GrStringDraw(const tContext *pContext, const char *pcString, long lLength, long lX, long lY, unsigned long bOpaque); extern long GrStringWidthGet(const tContext *pContext, const char *pcString, long lLength); //***************************************************************************** // // Mark the end of the C bindings section for C++ compilers. // //***************************************************************************** #ifdef __cplusplus } #endif //***************************************************************************** // // Close the Doxygen group. //! @} // //***************************************************************************** #endif // __GRLIB_H__
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