upload font_maker.cpp

demos/DemoBaCL/font_maker.cpp

@@ -0,0 +1,172 @@
+#include <ft2build.h>
+#include FT_FREETYPE_H
+#include <Windows.h>
+
+static const DWORD MAX_SIZE = 65536;
+static int font_size = 16;
+static int ary_size = 17 * 16;
+static int single_size = 32;
+
+int generate_font_char(FT_Face face, char * tmpfont)
+{
+	int tidx = 0;
+
+	DWORD len = ary_size;
+	tmpfont[0] = '\0';
+
+	int lx, ly, counter;
+
+	for (ly = 0; ly <= (font_size) * 26 / 32 - face->glyph->bitmap_top; ++ly)
+	{
+		for (lx = 0; lx < font_size; ++lx)
+		{
+			tmpfont[tidx] = '_';
+			tidx += 1;
+		}
+		tmpfont[tidx] = '\n';
+		tidx += 1;
+	}
+
+	int iRow = 0, iCol = 0;
+	for (iRow = 0; iRow < face->glyph->bitmap.rows; iRow++)
+	{
+		for (lx = 0; lx < face->glyph->bitmap_left; ++lx)
+		{
+			tmpfont[tidx] = '_';
+			tidx += 1;
+		}
+
+		for (iCol = 0; iCol < face->glyph->bitmap.width; iCol++)
+		{
+			if ((face->glyph->bitmap.buffer[iRow * face->glyph->bitmap.pitch + iCol / 8] & (0x80 >> (iCol % 8))) == 0)
+			{
+				tmpfont[tidx] = '_';
+				tidx += 1;
+			}
+			else
+			{
+				tmpfont[tidx] = '0';
+				tidx += 1;
+			}
+		}
+		for (counter = 0; counter < font_size - (lx + iCol); ++counter)
+		{
+			tmpfont[tidx] = '_';
+			tidx += 1;
+		}
+		tmpfont[tidx] = '\n';
+		tidx += 1;
+		ly++;
+	}
+
+	for (; ly < font_size; ++ly)
+	{
+		for (lx = 0; lx < font_size; ++lx)
+		{
+			tmpfont[tidx] = '_';
+			tidx += 1;
+		}
+		tmpfont[tidx] = '\n';
+		tidx += 1;
+	}
+
+	tmpfont[tidx] = '\0';
+	return 0;
+}
+
+int main(void)
+{
+	font_size = 12;
+	ary_size = font_size * font_size + font_size;
+
+	char * fontname = "nsimsun.ttf";
+	char * tmpfont = new char[ary_size];
+
+	DWORD size;
+
+	single_size = font_size * font_size / 8;
+	size = MAX_SIZE * single_size;
+
+	BYTE * data = (BYTE *)malloc(size);
+	memset(data, 0, size);
+
+    FT_Library library;
+    FT_Face face;
+    FT_UInt char_index;
+    int error;
+
+    error = FT_Init_FreeType(&library);
+    if (error)
+    {
+        printf("can not init free type library!\n");
+        goto __end;
+    }
+
+    error = FT_New_Face(library, fontname, 0, &face);
+    if (error)
+    {
+        printf("create new face falied!\n");
+        goto __end;
+    }
+
+    error = FT_Set_Pixel_Sizes(face, 0, font_size);
+    if (error)
+    {
+        printf("set font size error!\n");
+        goto __end;
+    }
+
+	for (DWORD i = 0; i < MAX_SIZE; ++i)
+	{
+		char_index = FT_Get_Char_Index(face, i);
+		if (!char_index) continue;
+
+		error = FT_Load_Glyph(face, char_index, FT_LOAD_DEFAULT);
+		if (error) continue;
+
+		if (face->glyph->format != FT_GLYPH_FORMAT_BITMAP)
+		{
+			error = FT_Render_Glyph(face->glyph, FT_RENDER_MODE_MONO);
+			if (error) continue;
+		}
+
+		if (!generate_font_char(face, tmpfont))
+		{
+			int j = 0, t = 0;
+			BYTE fc = 0;
+			for (int k = 0; k < ary_size; ++k)
+			{
+				if (tmpfont[k] == '0')
+					fc |= (1 << j);
+				else if (tmpfont[k] == '\n')
+					continue;
+
+				j++;
+				if (j == 8)
+				{
+					data[i * single_size + t] = fc;
+					t++;
+
+					j = 0;
+					fc = 0;
+				}
+			}
+		}
+	}
+
+	FILE * fp = 0;
+	fp = fopen("Unicode12","wb");
+    if (fp == NULL)
+    {
+        perror("Cann't open the file\n");
+        goto __end;
+    }
+
+	fwrite(data, size, 1, fp);
+    fclose(fp);
+
+__end:
+    printf("\n");
+	system("pause");
+    return 0;
+}