Files
TencentOS-tiny/components/gui/STemWin/inc/GUIDRV_Lin_Opt_32.h
2021-01-30 11:26:41 +08:00

141 lines
5.5 KiB
C

/*********************************************************************
* Portions COPYRIGHT 2016 STMicroelectronics *
* Portions SEGGER Microcontroller GmbH & Co. KG *
* Solutions for real time microcontroller applications *
**********************************************************************
* *
* (c) 1996 - 2015 SEGGER Microcontroller GmbH & Co. KG *
* *
* Internet: www.segger.com Support: support@segger.com *
* *
**********************************************************************
** emWin V5.32 - Graphical user interface for embedded applications **
All Intellectual Property rights in the Software belongs to SEGGER.
emWin is protected by international copyright laws. Knowledge of the
source code may not be used to write a similar product. This file may
only be used in accordance with the following terms:
The software has been licensed to STMicroelectronics International
N.V. a Dutch company with a Swiss branch and its headquarters in Plan-
les-Ouates, Geneva, 39 Chemin du Champ des Filles, Switzerland for the
purposes of creating libraries for ARM Cortex-M-based 32-bit microcon_
troller products commercialized by Licensee only, sublicensed and dis_
tributed under the terms and conditions of the End User License Agree_
ment supplied by STMicroelectronics International N.V.
Full source code is available at: www.segger.com
We appreciate your understanding and fairness.
----------------------------------------------------------------------
File : GUIDRV_Lin_Opt_32.h
Purpose : Optimized routines, included by GUIDRV_Lin_..._32.c
---------------------------END-OF-HEADER------------------------------
*/
/**
******************************************************************************
* @attention
*
* Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
* You may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.st.com/software_license_agreement_liberty_v2
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************
*/
/*********************************************************************
*
* Static functions
*
**********************************************************************
*/
/*********************************************************************
*
* _FillRectOpt32
*
* Purpose:
* Optimized filling routine for 32 bpp
*/
static void _FillRectOpt32(GUI_DEVICE * pDevice, int x0, int y0, int x1, int y1) {
DRIVER_CONTEXT * pContext;
register LCD_PIXELINDEX ColorIndex;
U32 * pDest;
U32 * pDest0;
U32 Off, Off0, RemPixels, NumLines, RemLines, OffLine, RemItems;
LCD_PIXELINDEX IndexMask;
pContext = (DRIVER_CONTEXT *)pDevice->u.pContext;
RemPixels = x1 - x0 + 1;
NumLines = y1 - y0 + 1;
OffLine = pContext->vxSizePhys;
pDest = NULL;
if (GUI_pContext->DrawMode & LCD_DRAWMODE_XOR) {
IndexMask = pDevice->pColorConvAPI->pfGetIndexMask();
Off0 = XY2OFF32(pContext->vxSizePhys, x0, y0);
if (RemPixels) {
for (RemLines = NumLines; RemLines; RemLines--) {
RemItems = RemPixels;
Off = Off0 + OffLine * (RemLines - 1);
do {
ColorIndex = READ_MEM32(pContext->VRAMAddr, Off);
ColorIndex ^= IndexMask;
WRITE_MEM32(pContext->VRAMAddr, Off, ColorIndex);
Off++;
} while (--RemItems);
}
}
} else {
Off = XY2OFF32(pContext->vxSizePhys, x0, y0);
pDest0 = OFF2PTR32(pContext->VRAMAddr, Off);
ColorIndex = LCD__GetColorIndex();
if (RemPixels >= 16) {
for (RemLines = NumLines; RemLines; RemLines--) {
RemItems = RemPixels;
pDest = pDest0 + OffLine * (RemLines - 1);
do {
WRITE_MEM32P(pDest , ColorIndex);
WRITE_MEM32P(pDest + 1, ColorIndex);
WRITE_MEM32P(pDest + 2, ColorIndex);
WRITE_MEM32P(pDest + 3, ColorIndex);
WRITE_MEM32P(pDest + 4, ColorIndex);
WRITE_MEM32P(pDest + 5, ColorIndex);
WRITE_MEM32P(pDest + 6, ColorIndex);
WRITE_MEM32P(pDest + 7, ColorIndex);
WRITE_MEM32P(pDest + 8, ColorIndex);
WRITE_MEM32P(pDest + 9, ColorIndex);
WRITE_MEM32P(pDest + 10, ColorIndex);
WRITE_MEM32P(pDest + 11, ColorIndex);
WRITE_MEM32P(pDest + 12, ColorIndex);
WRITE_MEM32P(pDest + 13, ColorIndex);
WRITE_MEM32P(pDest + 14, ColorIndex);
WRITE_MEM32P(pDest + 15, ColorIndex);
pDest += 16;
RemItems -= 16;
} while (RemItems >= 16);
}
pDest0 = pDest;
RemPixels -= (RemPixels >> 4) << 4;
}
if (RemPixels) {
for (RemLines = NumLines; RemLines; RemLines--) {
RemItems = RemPixels;
pDest = pDest0 + OffLine * (RemLines - 1);
do {
WRITE_MEM32P(pDest, ColorIndex);
pDest++;
} while (--RemItems);
}
}
}
}
/*************************** End of file ****************************/