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Diffstat (limited to 'common/wmt_display/cmd_textout.c')
| -rwxr-xr-x | common/wmt_display/cmd_textout.c | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/common/wmt_display/cmd_textout.c b/common/wmt_display/cmd_textout.c new file mode 100755 index 0000000..dfc4d2d --- /dev/null +++ b/common/wmt_display/cmd_textout.c @@ -0,0 +1,161 @@ +/*++ +Copyright (c) 2010 WonderMedia Technologies, Inc. + +This program is free software: you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation, either version 2 of the License, or (at your option) any later version. + +This program is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A +PARTICULAR PURPOSE. See the GNU General Public License for more details. You +should have received a copy of the GNU General Public License along with this +program. If not, see http://www.gnu.org/licenses/>. + +WonderMedia Technologies, Inc. +4F, 531, Chung-Cheng Road, Hsin-Tien, Taipei 231, R.O.C. +--*/ +#include <common.h> +#include <command.h> +#include <linux/ctype.h> +#include <asm/arch/common_def.h> + +#include "wmt_display.h" +#include "minivgui.h" + +//#define CHAR_WIDTH 8 +//#define CHAR_HEIGHT 20 // 16 + +int text_x = 30, text_y = 30 - CHAR_HEIGHT; +// ------------------- Extern Variable ------------------------ +extern int g_display_direction; + +//-------------------- Extern Function ----------------------- +extern void mv_initPrimary(int no,const mv_surface * s); +//extern void arm_memset(void * s, int c, size_t count); +extern int display_init(int on, int force); + +static int atoi(char *s) //added by howayhuo +{ + int i,n,sign; + + for(i=0;isspace(s[i]);i++) //跳过空白符 + ; + sign=(s[i]=='-')?-1:1; + if(s[i]=='+'||s[i]=='-') //跳过符号 + i++; + for(n=0;isdigit(s[i]);i++) + n=10*n+(s[i]-'0'); //将数字字符转换成整形数字 + return sign *n; +} + +int do_textout(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + int tmpx, tmpy; + unsigned int rgb = 0; + char *text_first, *text_last; + char r, g, b; + int i, len, textLen; + mv_Rect rect; + char tmpbuf[200]; + int no; + mv_surface *s; + + if(display_init(1, 0)) + return -1; + + switch (argc) { + case 1: + case 2: + case 3: /* use load_addr as default address */ + case 4: /* use argument */ + printf("<ERROR> too few argument\n"); + printf ("Usage:\n%s\n", cmdtp->usage); + return -1; + + default: + //tmpx = simple_strtoul(argv[1], NULL, 10); + //tmpy = simple_strtoul(argv[2], NULL, 10); + tmpx = atoi(argv[1]); + tmpy = atoi(argv[2]); + + //printf("tmpx=%d, tmpy=%d\n", tmpx,tmpy); + + if(tmpx >= 0) + text_x = tmpx; + + if(tmpy >= 0) + text_y = tmpy; + else + text_y = text_y + CHAR_HEIGHT; + + printf("x=%d, y=%d\n", text_y, text_y); + + rgb = simple_strtoul(argv[argc - 1], NULL, 16); + + text_first = argv[3]; + if(*text_first != '"') { + printf("<ERROR> please specify the text begin with \" \n", *text_first); + printf ("Usage:\n%s\n", cmdtp->usage); + + return -1; + } + + text_last = argv[argc - 2]; + while(*text_last != '\0') + text_last++; + + if(*--text_last != '"') { + printf("<ERROR> please specify the text end with \" \n", *text_last); + printf ("Usage:\n%s\n", cmdtp->usage); + return -1; + } + break; + } + len = 0; + for(i = 3; i < argc - 1; i++) { + printf("%s ", argv[i]); + len += sprintf(tmpbuf + len, "%s ", argv[i]); + } + printf("\n"); + //if you input: + // drawtext 0 0 "aa bb cc" ff0000 + //then the tmpbuf is ["aa bb cc" ], it have redundant space at the end. + tmpbuf[len - 2] = '\0'; //ignore the last 'double quotation marks' and 'space' + + for(no = 0; no < VPP_VOUT_INFO_NUM; no++) { + s = mv_getSurface(no); + if(s->startAddr == 0) + continue; + + textLen = len - 3; // total len- ' start " ' (1 char) - 'space' (1 char) -' end " ' (1 char) + rect.left = 0; + rect.top = text_y; + rect.right = s->width; //vfb_var.xres; + rect.bottom = text_y + CHAR_HEIGHT; + if(g_display_direction == 0 || g_display_direction == 2) //the screen is portrait + rect.right = s->height; //vfb_var.yres; + + mv_fillRect(no, &rect, 0, 0, 0); + + r = (rgb >> 16) & 0xFF; + g = (rgb >> 8) & 0xFF; + b = rgb & 0xFF; + mv_textOut(no, text_x, text_y, tmpbuf + 1, r, g, b); + } + + return 0; +} + +U_BOOT_CMD( + textout, 100, 5, do_textout, + "textout - show text to the screen. Example: textout 0 0 \\\"hello world\\\" FFFFFF\n", + "- show text to the screen \n" + "usage: textout x y \"str\" color\n" + "(x,y) is the coordinate. x, y are decimal. (x,y) default value is (30,30)\n" + "if x < 0, the x coordinate is unchaged\n" + "if y < 0, the y coordinate auto add 22 pixels to move to next line\n" + "color is 24bit Hex, R[23:16], G[15:8], B[7:0]\n" + "for example: textout 0 0 \\\"hello world\\\" FFFFFF\n" + " textout -1 -1 \\\"come on\\\" FF0000\n" +); + |