gui_getbitmappixelindex.txt

来自「STM32F103ZET6+UCOSII+UCGUI源码」· 文本 代码 · 共 107 行

; generated by ARM C/C++ Compiler with , RVCT4.0 [Build 524] for uVision
; commandline ArmCC [--split_sections --debug -c --asm --interleave -o.\Obj\gui_getbitmappixelindex.o --depend=.\Obj\gui_getbitmappixelindex.d --device=DARMSTM --apcs=interwork -O3 -I..\..\include -I..\..\..\FWLib\library\inc -I..\..\..\USBLib\library\inc -I..\..\Config -I..\..\GUI\Core -I..\..\GUI\Font -I..\..\GUI\ConvertColor -I..\..\GUI\AntiAlias -I..\..\GUI\ConvertMono -I..\..\GUI\JPEG -I..\..\GUI\MemDev -I..\..\GUI\MultiLayer -I..\..\GUI\Widget -I..\..\GUI\WM -IC:\Keil\ARM\INC\ST\STM32F10x ..\..\GUI\Core\GUI_GetBitmapPixelIndex.c]
                          THUMB

                          AREA ||i.GUI_GetBitmapPixelIndex||, CODE, READONLY, ALIGN=1

                  GUI_GetBitmapPixelIndex PROC
;;;31     */
;;;32     int GUI_GetBitmapPixelIndex(const GUI_BITMAP GUI_UNI_PTR * pBMP, unsigned x, unsigned y) {
000000  b530              PUSH     {r4,r5,lr}
;;;33       unsigned Off, Value;
;;;34       switch (pBMP->BitsPerPixel) {
000002  88c3              LDRH     r3,[r0,#6]
000004  2b04              CMP      r3,#4
000006  d02d              BEQ      |L1.100|
000008  dc12              BGT      |L1.48|
00000a  2b01              CMP      r3,#1
00000c  d01c              BEQ      |L1.72|
00000e  2b02              CMP      r3,#2
000010  d13a              BNE      |L1.136|
;;;35       case 1:
;;;36         Off = (x >> 3) + (y * pBMP->BytesPerLine);
;;;37         Value = *(pBMP->pData + Off);
;;;38         Value = Value >> (7 - (x & 0x7)) & 0x1;
;;;39         break;
;;;40       case 2:
;;;41         Off = (x >> 2) + (y * pBMP->BytesPerLine);
000012  8885              LDRH     r5,[r0,#4]
000014  6883              LDR      r3,[r0,#8]
000016  4355              MULS     r5,r2,r5
000018  eb050091          ADD      r0,r5,r1,LSR #2
;;;42         Value = *(pBMP->pData + Off);
;;;43         Value = Value >> (6 - ((x << 1) & 0x6)) & 0x3;
00001c  2406              MOVS     r4,#6
00001e  5c18              LDRB     r0,[r3,r0]            ;42
000020  ea040141          AND      r1,r4,r1,LSL #1
000024  f1c10106          RSB      r1,r1,#6
000028  40c8              LSRS     r0,r0,r1
00002a  f0000003          AND      r0,r0,#3
;;;44         break;
;;;45       case 4:
;;;46         Off = (x >> 1) + (y * pBMP->BytesPerLine);
;;;47         Value = *(pBMP->pData + Off);
;;;48         Value = (x & 1) ? (Value & 0xF) : (Value >> 4);
;;;49         break;
;;;50       case 8:
;;;51         Off = x + y * pBMP->BytesPerLine;
;;;52         Value = *(pBMP->pData + Off);
;;;53         break;
;;;54       case 16:
;;;55         Off = (x << 1) + y * pBMP->BytesPerLine;
;;;56         Value = *(pBMP->pData + Off) | (*(pBMP->pData + Off + 1) << 8);
;;;57         break;
;;;58       default:
;;;59         Value = 0;
;;;60       }
;;;61       return Value;
;;;62     }
00002e  bd30              POP      {r4,r5,pc}
                  |L1.48|
000030  2b08              CMP      r3,#8                 ;34
000032  d023              BEQ      |L1.124|
000034  2b10              CMP      r3,#0x10              ;34
000036  d127              BNE      |L1.136|
000038  8883              LDRH     r3,[r0,#4]            ;55
00003a  6884              LDR      r4,[r0,#8]            ;55
00003c  4353              MULS     r3,r2,r3              ;55
00003e  eb030041          ADD      r0,r3,r1,LSL #1       ;55
000042  4420              ADD      r0,r0,r4              ;56
000044  8800              LDRH     r0,[r0,#0]            ;56
000046  bd30              POP      {r4,r5,pc}
                  |L1.72|
000048  8885              LDRH     r5,[r0,#4]            ;36
00004a  6883              LDR      r3,[r0,#8]            ;36
00004c  4355              MULS     r5,r2,r5              ;36
00004e  eb0500d1          ADD      r0,r5,r1,LSR #3       ;36
000052  f0010407          AND      r4,r1,#7              ;38
000056  5c18              LDRB     r0,[r3,r0]            ;37
000058  f1c40107          RSB      r1,r4,#7              ;38
00005c  40c8              LSRS     r0,r0,r1              ;38
00005e  f0000001          AND      r0,r0,#1              ;38
                  |L1.98|
000062  bd30              POP      {r4,r5,pc}
                  |L1.100|
000064  8883              LDRH     r3,[r0,#4]            ;46
000066  6884              LDR      r4,[r0,#8]            ;46
000068  4353              MULS     r3,r2,r3              ;46
00006a  eb030051          ADD      r0,r3,r1,LSR #1       ;46
00006e  5c22              LDRB     r2,[r4,r0]            ;47
000070  07c9              LSLS     r1,r1,#31             ;48
000072  f002000f          AND      r0,r2,#0xf            ;48
000076  d1f4              BNE      |L1.98|
000078  0910              LSRS     r0,r2,#4              ;48
00007a  bd30              POP      {r4,r5,pc}
                  |L1.124|
00007c  8883              LDRH     r3,[r0,#4]            ;51
00007e  6884              LDR      r4,[r0,#8]            ;51
000080  fb021003          MLA      r0,r2,r3,r1           ;51
000084  5c20              LDRB     r0,[r4,r0]            ;52
000086  bd30              POP      {r4,r5,pc}
                  |L1.136|
000088  2000              MOVS     r0,#0                 ;59
00008a  bd30              POP      {r4,r5,pc}
;;;63     
                          ENDP