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-rw-r--r--components/rtgui/widgets/digfont.c309
1 files changed, 309 insertions, 0 deletions
diff --git a/components/rtgui/widgets/digfont.c b/components/rtgui/widgets/digfont.c
new file mode 100644
index 0000000000..0d081f94ad
--- /dev/null
+++ b/components/rtgui/widgets/digfont.c
@@ -0,0 +1,309 @@
+/*
+ * File : digfont.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2006 - 2012, RT-Thread Development Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2012-12-21 pife first version
+ */
+
+#include <rtthread.h>
+#include <rtgui/rtgui.h>
+#include <rtgui/dc.h>
+#include <rtgui/widgets/digfont.h>
+
+#define DIGFONT_V 1
+#define DIGFONT_H 0
+
+int rtgui_digitfont_create(struct rtgui_digitfont * font)
+{
+ int i;
+ int half;
+ int space;
+ int seg35_y;
+ int hight;
+ struct rtgui_digitfont_data * data, *databuf;
+ struct rtgui_digitfont_data temp, temp2;;
+
+ data= rt_malloc(sizeof(struct rtgui_digitfont_data) * 7 * font->seg1_nr);
+ if (data== RT_NULL)
+ {
+ rt_kprintf("out of memory.\n");
+ goto __err;
+ }
+ databuf = font->data = data;
+
+ data = &temp;
+ half = font->seg1_nr >> 1;
+ space = font->seg1_hspace;
+ seg35_y = font->seg1_vspace + font->seg2_len + (half<<1) - font->seg1_vspace;
+ hight = (font->seg1_vspace << 1) + font->seg2_len + font->seg3_len + (half << 1) - 1;
+
+ //seg 1
+ data->type = DIGFONT_H;
+ data->x = font->seg1_hspace;
+ data->y = 0;
+ data->len = font->seg1_len;
+
+ *databuf++ = *data;
+ for(i=1; i<font->seg1_nr; i++)
+ {
+ data->len -= 2;
+ data->x ++;
+ data->y ++;
+ *databuf++ = *data;
+ }
+
+ //seg 2
+ data->type = DIGFONT_V;
+ data->x = (font->seg1_hspace << 1) + font->seg1_len -1;
+ data->y = font->seg1_vspace ;
+ data->len = font->seg2_len;
+ *databuf++ = *data;
+ for(i=1; i<font->seg1_nr; i++)
+ {
+ if (i >= half)
+ {
+ data->len -= 2;
+ }
+ data->x --;
+ data->y ++;
+ *databuf++ = *data;
+ }
+
+ //seg 3
+ data->type = DIGFONT_V;
+ data->x = (font->seg1_hspace << 1) + font->seg1_len -1;
+ data->y = seg35_y;
+ data->len = font->seg3_len;
+ *databuf++ = *data;
+ temp2 = *data;
+ for(i=1; i<font->seg1_nr; i++)
+ {
+ if (i < half)
+ data->y --;
+ else
+ {
+ data->len -= 2;
+ data->y ++;
+ }
+
+ data->x --;
+ *databuf++ = *data;
+ }
+
+ // seg4
+ data->type = DIGFONT_H;
+ data->x = font->seg1_hspace;
+ data->y = hight -1;
+ data->len = font->seg1_len;
+ *databuf++ = *data;
+ for(i=1; i<font->seg1_nr; i++)
+ {
+ data->len -= 2;
+ data->x ++;
+ data->y --;
+ *databuf++ = *data;
+ }
+
+ //seg5
+ data->type = DIGFONT_V;
+ data->x = 0;
+ data->y = seg35_y;
+ data->len = font->seg3_len;
+ *databuf++ = *data;
+
+ for(i=1; i<font->seg1_nr; i++)
+ {
+ if (i < half)
+ data->y --;
+ else
+ {
+ data->len -= 2;
+ data->y ++;
+ }
+
+ data->x ++;
+ *databuf++ = *data;
+ }
+
+ //seg 6
+ data->type = DIGFONT_V;
+ data->x = 0;
+ data->y = font->seg1_vspace ;
+ data->len = font->seg2_len;
+ *databuf++ = *data;
+ for(i=1; i<font->seg1_nr; i++)
+ {
+ if (i >= half)
+ {
+ data->len -= 2;
+ }
+ data->x ++;
+ data->y ++;
+ *databuf++ = *data;
+ }
+
+ //seg7
+ data->type = DIGFONT_H;
+ data->x = font->seg1_hspace + half - 1;
+ data->y = font->seg1_vspace + font->seg2_len + half -1;
+ data->len = (font->seg1_hspace << 1) + font->seg1_len - \
+ ((font->seg1_hspace + half -1) << 1);
+ *databuf++ = *data;
+ temp2 = *data;
+ for(i=0; i<half; i++)
+ {
+ data->x ++;
+ data->y --;
+ data->len -= 2;
+ *databuf++ = *data;
+ }
+
+ *data = temp2;
+ for (i=0; i<half; i++)
+ {
+ data->x ++;
+ data->y ++;
+ data->len -= 2;
+ *databuf++ = *data;
+ }
+
+ return 0;
+
+__err:
+ return -1;
+}
+
+int rtgui_dc_draw_digitfont(struct rtgui_dc *dc, struct rtgui_digitfont * font, rtgui_rect_t * rect)
+{
+ int i, size;
+ struct rtgui_digitfont_data * data;
+
+ size = font->seg1_nr * 7;
+ data = font->data;
+
+ for(i=0; i<size; i++)
+ {
+ if (data->type == DIGFONT_H)
+ rtgui_dc_draw_hline(dc, rect->x1 + data->x, \
+ rect->x1 + data->x + data->len, rect->y1 + data->y);
+ else
+ rtgui_dc_draw_vline(dc, rect->x1 + data->x, rect->y1 + data->y, \
+ rect->y1 + data->y + data->len);
+
+ data++;
+ }
+}
+
+const char digtube_code_table[] =
+{ 0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,};
+
+int rtgui_dc_draw_digitfont_code(struct rtgui_dc *dc, struct rtgui_digitfont * font, rtgui_rect_t * rect, char code)
+{
+ int i,j;
+ struct rtgui_digitfont_data * data;
+ rtgui_color_t color;
+
+ data = font->data;
+
+ color = RTGUI_DC_FC(dc);
+ for(i=0; i<7; i++)
+ {
+ if (code & (1 << i))
+ RTGUI_DC_FC(dc) = color;
+ else
+ RTGUI_DC_FC(dc) = RTGUI_DC_BC(dc);
+
+ for (j=0; j<font->seg1_nr; j++)
+ {
+ if (data->type == DIGFONT_H)
+ rtgui_dc_draw_hline(dc, rect->x1 + data->x, \
+ rect->x1 + data->x + data->len, rect->y1 + data->y);
+ else
+ rtgui_dc_draw_vline(dc, rect->x1 + data->x, rect->y1 + data->y, \
+ rect->y1 + data->y + data->len);
+
+ data++;
+ }
+ }
+ RTGUI_DC_FC(dc) = color;
+
+ return 0;
+}
+
+int rtgui_get_digfont_metrics(struct rtgui_digitfont * font, rtgui_rect_t * rect)
+{
+ int half = font->seg1_nr >> 1;
+ rect->x1 = 0;
+ rect->y1 = 0;
+ rect->x2 = (font->seg1_hspace << 1) + font->seg1_len;
+ rect->y2 = (font->seg1_vspace << 1) + font->seg2_len + font->seg3_len + (half << 1) - 1;
+ return 0;
+}
+
+/* debug */
+struct rtgui_digitfont digitfont_40 =
+{
+ 34, //int seg1_len;
+ 3, //int seg1_hspace;
+ 1, //int seg1_vpace;
+ 9, //int seg1_nr; //9
+ 30, //int seg2_len;
+ 30, //int seg3_len;
+ RT_NULL,
+};
+
+#ifdef _WIN32
+#include <windows.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+static char fontbuf[80];
+int digfont_file(char * name, struct rtgui_digitfont * font)
+{
+ int i;
+ int size;
+ FILE * file;
+ struct rtgui_digitfont_data * data;
+
+ if (font->data == RT_NULL)
+ rtgui_digitfont_create(font);
+
+ /* create a file to store data */
+ file = fopen(name, "wb + ");
+ if (file == RT_NULL)
+ {
+ rt_kprintf("open < % s > failed.\n", name);
+ return -1;
+ }
+ data = font->data;
+ size = font->seg1_nr * 7;
+
+ for( i=0; i<size; i++)
+ {
+ if ((i % (font->seg1_nr)) == 0)
+ {
+ sprintf(fontbuf, "\n/* seg <%d> */\n", i/font->seg1_nr + 1);
+ fwrite(fontbuf, strlen(fontbuf), 1, file);
+ }
+
+ sprintf(fontbuf, " { % 2d, % 2d, % 2d, % 2d}, \n", data->x, data->y, data->len, data->type);
+ fwrite(fontbuf, strlen(fontbuf), 1, file);
+ data ++;
+ }
+ fclose(file);
+
+ return 0;
+}
+#if defined(RT_USING_FINSH)
+#include <finsh.h>
+FINSH_FUNCTION_EXPORT(digfont_file, create the font file of digit font)
+#endif
+
+#endif \ No newline at end of file
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