{"id":3772,"date":"2018-02-19T15:26:00","date_gmt":"2018-02-19T07:26:00","guid":{"rendered":"http:\/\/www.bookcard.net\/wordpress\/?p=3772"},"modified":"2018-10-14T21:34:14","modified_gmt":"2018-10-14T13:34:14","slug":"opengl_bitmapfont","status":"publish","type":"post","link":"https:\/\/www.bookcard.net\/wordpress\/opengl_bitmapfont\/","title":{"rendered":"OpenGL\u4e4b\u9ede\u9663\u5b57\u9ad4"},"content":{"rendered":"
\"\"<\/a>
OpenGL\u4e4b\u9ede\u9663\u5b57\u9ad4<\/figcaption><\/figure>\n

\u5728OpenGL\u8f38\u51fa\u6587\u5b57\u53ef\u7528\u7e6a\u756b\u597d\u7684\u6587\u672c\u4f4d\u5716,\u518d\u7e6a\u756b\u4e0a\u5c4f\u5e55.\u4e5f\u662f\u904a\u6232\u88fd\u4f5c\u901a\u7528\u624b\u6cd5.\u5c07\u57fa\u672cASCII\u6587\u672c\u5b58\u70ba16Bit*16Bit\uff0832Byte\uff09\u4e8c\u9032\u5236\u9ede\u9663\u5b57\u9ad4<\/p>\n

\u6307\u5b9a\u4f4d\u5716\u7684\u7e6a\u756b\u4f4d\u7f6e<\/p>\n

void glRasterPos2i(GLint x, GLint y);<\/p>\n

\u7e6a\u756b\u4f4d\u5716<\/p>\n

void WINAPI glBitmap(<\/p>\n

GLSizei width,\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0GLSizei height, ASCII\u6587\u672c\u7684\u5bec\u548c\u9ad8\u9019\u88e1\u5747\u70ba16<\/p>\n

GLfloat xorig,\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0GLfloat yorig,\u7576\u524d\u7e6a\u756b\u4f4d\u7f6e\u7684\u504f\u79fb<\/p>\n

GLfloat xmove,\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0GLfloat ymove, \u4e0b\u6b21\u7e6a\u756b\u4f4d\u7f6e\u7684\u589e\u91cf<\/p>\n

const GLubyte *bitmap); \u4e8c\u9032\u5236\u9ede\u9663\u5b57\u9ad4<\/p>\n

\u4ee5\u4f4d\u756b\u5b57\u7b26B\u7684\u51fd\u5f0f\u70ba\u4f8b\uff1a<\/p>\n

    \n
  1. const unsigned char BITMAPFONT_B[] \/\/16Bit * 16Bit \u9ede\u9663\u5b57\u9ad4={ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFC,0x00,0x66,0x00,0x66,0x00,0x66,0x00, 0x66,0x00,0x7C,0x00,0x66,0x00,0x66,0x00,0x66,0x00,0xFC,0x00,0x00,0x00,0x00,0x00};<\/li>\n
  2. glPixelStorei(GL_UNPACK_ALIGNMENT, 1);\/\/ \u5c0d\u9f4a\u50cf\u7d20\u5b57\u7bc0<\/li>\n
  3. glColor3f(1.0f, 1.0f, 1.0f);\/\/ \u984f\u8272<\/li>\n
  4. glRasterPos2i(x, y);\/\/ \u8a2d\u5b9a\u4f4d\u5716\u7684\u4f4d\u7f6e<\/li>\n
  5. glBitmap(16, 16, 0, 0, 16, 0, BITMAPFONT_B);\/\/ \u6e32\u67d3\u5b57\u7b26B<\/li>\n<\/ol>\n

    \u9ede\u9663\u5b57\u9ad4\u7684\u7a0b\u5e8f\u793a\u4f8b\uff1a\u4e0b\u8f09<\/a><\/p>\n

      \n
    1. \u628a\u8f38\u5165\u6cd5\u8a2d\u70ba\u82f1\u6587<\/li>\n
    2. \u901a\u904eWM_CHAR\u63a5\u6536ASCII\u78bc\u4e26\u5728\u5c4f\u5e55\u7e6a\u756b<\/li>\n
    3. \u5728\u904a\u6232\u8a2d\u8a08\u4e2d\u6b64\u65b9\u6cd5\u4e5f\u9069\u7528\u6f22\u5b57\u6e32\u67d3,\u53ea\u8981\u628a\u6f22\u5b57\u8f49\u63db\u70ba\u9ede\u9663\u5b57\u9ad4<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"

      \u5728OpenGL\u8f38\u51fa\u6587\u5b57\u53ef\u7528\u7e6a\u756b\u597d\u7684\u6587\u672c\u4f4d\u5716,\u518d\u7e6a\u756b\u4e0a\u5c4f\u5e55.\u4e5f\u662f\u904a\u6232\u88fd\u4f5c\u901a\u7528\u624b\u6cd5.\u5c07\u57fa\u672cASCII\u6587\u672c\u5b58\u70ba16B … <\/p>\n

      \u7e7c\u7e8c\u95b1\u8b80 OpenGL\u4e4b\u9ede\u9663\u5b57\u9ad4<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[62,13],"tags":[50],"class_list":["post-3772","post","type-post","status-publish","format-standard","hentry","category-opengl","category-pc","tag-opengl","entry"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts\/3772","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/comments?post=3772"}],"version-history":[{"count":4,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts\/3772\/revisions"}],"predecessor-version":[{"id":3802,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts\/3772\/revisions\/3802"}],"wp:attachment":[{"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/media?parent=3772"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/categories?post=3772"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/tags?post=3772"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}