202 lines
6.5 KiB
C
202 lines
6.5 KiB
C
/*
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*********************************************************************************************************
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* uC/GUI
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* Universal graphic software for embedded applications
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*
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* (c) Copyright 2002, Micrium Inc., Weston, FL
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* (c) Copyright 2002, SEGGER Microcontroller Systeme GmbH
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*
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* µC/GUI is protected by international copyright laws. Knowledge of the
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* source code may not be used to write a similar product. This file may
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* only be used in accordance with a license and should not be redistributed
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* in any way. We appreciate your understanding and fairness.
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*
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----------------------------------------------------------------------
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File : GUICharAA2.C
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Purpose : Display antialiased 2bpp
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---------------------------END-OF-HEADER------------------------------
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*/
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#include "GUI_Private.h"
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#if GUI_SUPPORT_AA
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#include <stdio.h>
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#include <string.h>
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/*********************************************************************
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*
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* Defines
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*
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**********************************************************************
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*/
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#define MAX_CHAR_SIZE 100
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/*********************************************************************
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*
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* Static data
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*
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**********************************************************************
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*/
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/* used by transparent characters */
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static const int aConvTable[4] = {0, 5, 10, 15};
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/* used by non transparent characters */
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static LCD_COLOR aColor[4];
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static LCD_PIXELINDEX OldColorIndex, OldBkColorIndex;
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static GUI_LOGPALETTE Palette = {4, 0, &aColor[0]};
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static GUI_BITMAP Bitmap = {0, 0, 0, 2, 0, &Palette, 0};
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/*********************************************************************
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*
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* Static code
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*
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**********************************************************************
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*/
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/*********************************************************************
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*
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* DrawNoTrans
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*/
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static void DrawNoTrans(int x0, int y0, int XSize, int YSize, int BytesPerLine, const U8*pData) {
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if ((OldColorIndex != LCD_COLORINDEX) ||
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(OldBkColorIndex != LCD_BKCOLORINDEX)) {
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int i;
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LCD_PIXELINDEX BkColorIndex = LCD_BKCOLORINDEX;
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LCD_PIXELINDEX ColorIndex = LCD_COLORINDEX;
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LCD_COLOR BkColor = LCD_Index2Color(BkColorIndex);
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LCD_COLOR Color = LCD_Index2Color(ColorIndex);
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aColor[0] = BkColor;
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for (i = 1; i < 3; i++) {
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U8 Intens;
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Intens = 5 * i;
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aColor[i] = LCD_AA_MixColors(Color, BkColor, Intens);
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}
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aColor[3] = Color;
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LCD_GetpPalConvTableUncached(&Palette);
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OldColorIndex = ColorIndex;
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OldBkColorIndex = BkColorIndex;
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}
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Bitmap.XSize = XSize;
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Bitmap.YSize = YSize;
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Bitmap.BytesPerLine = BytesPerLine;
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Bitmap.pData = pData;
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GL_DrawBitmap(&Bitmap, x0, y0);
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}
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/*********************************************************************
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*
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* DrawTrans
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*/
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static void DrawTrans(int x0, int y0, int XSize, int YSize, int BytesPerLine, const U8*pData) {
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int x, y;
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for (y = 0; y < YSize; y++) {
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const U8 *pData0 = pData;
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U8 Rem = XSize & 3;
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for (x = 0; x < XSize - 1; x += 4) {
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LCD_SetPixelAA(x + x0 , y0 + y, aConvTable[((*pData0 ) >> 6) ]);
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LCD_SetPixelAA(x + x0 + 1, y0 + y, aConvTable[((*pData0 ) >> 4) & 0x03]);
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LCD_SetPixelAA(x + x0 + 2, y0 + y, aConvTable[((*pData0 ) >> 2) & 0x03]);
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LCD_SetPixelAA(x + x0 + 3, y0 + y, aConvTable[((*pData0++) ) & 0x03]);
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}
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if (Rem) {
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LCD_SetPixelAA(x + x0 , y0 + y, aConvTable[((*pData0 ) >> 6) ]);
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if (Rem > 1) {
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LCD_SetPixelAA(x + x0 + 1, y0 + y, aConvTable[((*pData0 ) >> 4) & 0x03]);
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if (Rem > 2) {
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LCD_SetPixelAA(x + x0 + 2, y0 + y, aConvTable[((*pData0 ) >> 2) & 0x03]);
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}
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}
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}
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pData += BytesPerLine;
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}
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}
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/*********************************************************************
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*
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* GUIPROP_FindChar
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*/
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static const GUI_FONT_PROP* GUIPROP_FindChar(const GUI_FONT_PROP* pProp, U16P c) {
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for (pProp = GUI_Context.pAFont->p.pProp; pProp; pProp=(const GUI_FONT_PROP*) pProp->pNext) {
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if ((c>=pProp->First) && (c<=pProp->Last))
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break;
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}
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return pProp;
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}
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/*********************************************************************
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*
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* Public code
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*
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**********************************************************************
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*/
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/*********************************************************************
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*
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* GUIPROP_AA2_DispChar
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*/
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void GUIPROP_AA2_DispChar(U16P c) {
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int BytesPerLine;
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GUI_DRAWMODE DrawMode = GUI_Context.TextMode;
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const GUI_FONT_PROP* pProp = GUIPROP_FindChar(GUI_Context.pAFont->p.pProp, c);
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if (pProp) {
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GUI_DRAWMODE OldDrawMode;
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const GUI_CHARINFO* pCharInfo = pProp->paCharInfo+(c-pProp->First);
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BytesPerLine = pCharInfo->BytesPerLine;
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OldDrawMode = LCD_SetDrawMode(DrawMode);
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if (DrawMode & GUI_TM_TRANS) {
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DrawTrans(GUI_Context.DispPosX,
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GUI_Context.DispPosY,
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pCharInfo->XSize,
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GUI_Context.pAFont->YSize,
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BytesPerLine,
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(U8 const*)pCharInfo->pData
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);
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} else {
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DrawNoTrans(GUI_Context.DispPosX,
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GUI_Context.DispPosY,
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pCharInfo->XSize,
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GUI_Context.pAFont->YSize,
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BytesPerLine,
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(U8 const*)pCharInfo->pData
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);
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}
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LCD_SetDrawMode(OldDrawMode); /* Restore draw mode */
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GUI_Context.DispPosX += pCharInfo->XDist;
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}
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}
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/*********************************************************************
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*
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* GUIPROP_AA2_GetCharDistX
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*/
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int GUIPROP_AA2_GetCharDistX(U16P c) {
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const GUI_FONT_PROP* pProp = GUIPROP_FindChar(GUI_Context.pAFont->p.pProp, c);
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return (pProp) ? (pProp->paCharInfo+(c-pProp->First))->XSize : 0;
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}
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/*********************************************************************
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*
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* GUIPROP_AA2_GetFontInfo
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*/
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void GUIPROP_AA2_GetFontInfo(const GUI_FONT * pFont, GUI_FONTINFO* pfi) {
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GUI_USE_PARA(pFont);
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pfi->Flags = GUI_FONTINFO_FLAG_PROP | GUI_FONTINFO_FLAG_AA2;
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}
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/*********************************************************************
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*
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* GUIPROP_AA2_IsInFont
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*/
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char GUIPROP_AA2_IsInFont(const GUI_FONT * pFont, U16 c) {
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const GUI_FONT_PROP* pProp = GUIPROP_FindChar(pFont->p.pProp, c);
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return (pProp==NULL) ? 0 : 1;
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}
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#else /* Avoid problems with empty object modules */
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void GUIAAChar2_C(void);
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void GUIAAChar2_C(void) {}
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#endif /* GUI_SUPPORT_AA */
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/*************************** End of file ****************************/
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