📄 guidev_usagebm.lst
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C51 COMPILER V8.05a GUIDEV_USAGEBM 04/11/2008 14:19:31 PAGE 1
C51 COMPILER V8.05a, COMPILATION OF MODULE GUIDEV_USAGEBM
OBJECT MODULE PLACED IN GUIDEV_UsageBM.obj
COMPILER INVOKED BY: D:\Program Files\keil\C51\BIN\C51.EXE gui\MemDev\GUIDEV_UsageBM.c LARGE BROWSE MDU_F120 DEBUG OBJEC
-TEXTEND PRINT(.\GUIDEV_UsageBM.lst) OBJECT(GUIDEV_UsageBM.obj)
line level source
1 /*
2 *********************************************************************************************************
3 * uC/GUI
4 * Universal graphic software for embedded applications
5 *
6 * (c) Copyright 2002, Micrium Inc., Weston, FL
7 * (c) Copyright 2002, SEGGER Microcontroller Systeme GmbH
8 *
9 * 礐/GUI is protected by international copyright laws. Knowledge of the
10 * source code may not be used to write a similar product. This file may
11 * only be used in accordance with a license and should not be redistributed
12 * in any way. We appreciate your understanding and fairness.
13 *
14 ----------------------------------------------------------------------
15 File : GUIDev.C
16 Purpose : Implementation of memory devices
17 ---------------------------END-OF-HEADER------------------------------
18 */
19
20
21 #include <string.h>
22 #include "gui\Core\GUI_Protected.h"
23 #include "gui\Core\GUIDebug.h"
24
25 /* Memory device capabilities are compiled only if support for them is enabled.*/
26 #if GUI_SUPPORT_MEMDEV
typedef struct {
GUI_USAGE Public;
struct {
int BytesPerLine;
} Private;
} GUI_USAGE_BM;
static void GUI_USAGE_BM_AddPixel(GUI_USAGE* p, int x, int y) {
U8* pData;
const GUI_USAGE_BM * pThis = (GUI_USAGE_BM*)p;
#if GUI_DEBUG_LEVEL >= GUI_DEBUG_LEVEL_CHECK_ALL
if ((x >= pThis->Public.x0 + pThis->Public.XSize) | (x < pThis->Public.x0)
| (y >= pThis->Public.y0 + pThis->Public.YSize) | (y < pThis->Public.y0))
{
GUI_DEBUG_ERROROUT2("GUI_USAGE_BM_AddPixel: parameters out of bounds",x,y);
}
#endif
x -= pThis->Public.x0;
pData = (U8*)(pThis+1);
pData += (y-pThis->Public.y0) * pThis->Private.BytesPerLine;
pData += x>>3;
*pData|= 0x80>>(x&7);
}
C51 COMPILER V8.05a GUIDEV_USAGEBM 04/11/2008 14:19:31 PAGE 2
static void GUI_USAGE_BM_AddHLine(GUI_USAGE* p, int x, int y, int len) {
#if 0 /* Enable for the slower, but smaller version ... xxx*/
while (len-- >0)
GUI_USAGE_BM_AddPixel(h, x++,y);
#else
U8* pData;
const GUI_USAGE_BM * pThis = (GUI_USAGE_BM*)p;
/* Asserts */
GUI_DEBUG_ERROROUT3_IF( x<pThis->Public.x0, "GUIDEV.c: MarkPixels: negative x offset, Act= %d, Border= %
-d, Clip= %d"
,x, pThis->Public.x0, GUI_Context.ClipRect.x0);
/* Calculate pointers */
x -= pThis->Public.x0;
pData = (U8*)(pThis+1);
pData += (y-pThis->Public.y0) * pThis->Private.BytesPerLine;
pData += x>>3;
/* Set bits */
{
int x1 = x+len-1; /* last pixel */
int NumBytes = (x1>>3) - (x>>3);
U8 Mask0 = 0xff >> (x&7);
U8 Mask1 = 0xff << (7-(x1&7));
if (NumBytes ==0) {
*pData |= (Mask0&Mask1);
} else {
*pData++ |= Mask0; /* Mark first byte */
/* Mark middle bytes */
if (--NumBytes > 0) {
memset (pData, 0xff, NumBytes);
pData += NumBytes;
}
*pData |= Mask1; /* Mark last bytes */
}
}
#endif
}
static void GUI_USAGE_BM_Clear(GUI_USAGE* p) {
GUI_USAGE_BM * pThis = (GUI_USAGE_BM*) p;
memset (pThis+1, 0, pThis->Public.YSize * pThis->Private.BytesPerLine);
}
static int GUI_USAGE_BM_GetNextDirty(GUI_USAGE* p, int *pxOff, int yOff) {
int x = *pxOff;
int xEnd;
const GUI_USAGE_BM * pThis = (GUI_USAGE_BM*)p;
int xSize = pThis->Public.XSize;
U8* pData = (U8*)(pThis+1);
pData += yOff * pThis->Private.BytesPerLine;
pData += (x>>3);
if (x>=xSize)
return 0;
{
/* Find first bit */
int BytesLeft = ((xSize-1) >>3) - (x>>3);
/* Check first byte */
U8 Data = (*pData++) << (x&7);
while (Data == 0) {
if (BytesLeft ==0)
return 0;
Data = *pData++;
BytesLeft--;
C51 COMPILER V8.05a GUIDEV_USAGEBM 04/11/2008 14:19:31 PAGE 3
x= (x+8) & ~7;
}
while ((Data&0x80) ==0) {
Data<<=1;
x++;
}
/* Find last cleared byte */
if (Data != 0xff) { /* This line is simply a speed-opt and may be eliminated */
xEnd =x;
while (Data&0x40) {
Data<<=1;
xEnd++;
}
} else {
xEnd =x+7;
}
if ((xEnd&7) ==7) {
while (--BytesLeft >= 0) {
if ((Data = *pData++) == 0xff) {
xEnd+=8;
} else {
while (Data&0x80) {
Data<<=1;
xEnd++;
}
break;
}
}
}
}
*pxOff =x;
return xEnd-x+1;
}
/*
*************************************************
* *
* Delete *
* *
*************************************************
*/
void GUI_USAGE_BM_Delete(GUI_MEMDEV_Handle hDevUsage) {
GUI_ALLOC_FREE(hDevUsage);
}
static const tUSAGE_APIList API = {
GUI_USAGE_BM_AddPixel, /* tUSAGE_AddPixel* */
GUI_USAGE_BM_AddHLine, /* tUSAGE_AddHLine* */
GUI_USAGE_BM_Clear, /* tUSAGE_Clear* */
0, /* tUSAGE_CreateCompatible* */
GUI_USAGE_BM_Delete, /* tUSAGE_Delete* */
GUI_USAGE_BM_GetNextDirty /* tUSAGE_GetNextDirty* */
};
/*
C51 COMPILER V8.05a GUIDEV_USAGEBM 04/11/2008 14:19:31 PAGE 4
*************************************************
* *
* Create *
* *
*************************************************
*/
GUI_USAGE_Handle GUI_USAGE_BM_Create(int x0, int y0, int xsize, int ysize, int Flags) {
int MemSize;
int BytesPerLine;
GUI_USAGE_Handle hMem;
GUI_USE_PARA(Flags);
BytesPerLine = ((xsize+15) >>4)<<1; /* 2 byte alignment */
MemSize = ysize*BytesPerLine +sizeof(GUI_USAGE_BM);
hMem = GUI_ALLOC_ALLOC(MemSize);
/* Check if we can alloc sufficient memory */
if (!hMem) {
GUI_DEBUG_ERROROUT("GUI_USAGE_BM_Create: Too little memory");
return 0;
}
{
GUI_USAGE_BM* pUsage = (GUI_USAGE_BM*)GUI_ALLOC_H2P(hMem);
pUsage->Public.x0 = x0;
pUsage->Public.y0 = y0;
pUsage->Public.XSize = xsize;
pUsage->Public.YSize = ysize;
pUsage->Public.pAPI = &API;
pUsage->Public.UseCnt= 1;
pUsage->Private.BytesPerLine= BytesPerLine;
}
return hMem;
}
#else
212
213 void GUIDEV_UsageBM(void) {} /* avoid empty object files */
214
215 #endif /* GUI_SUPPORT_MEMDEV */
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 1 ----
CONSTANT SIZE = ---- ----
XDATA SIZE = ---- ----
PDATA SIZE = ---- ----
DATA SIZE = ---- ----
IDATA SIZE = ---- ----
BIT SIZE = ---- ----
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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