KIKIMR-19287: add task_stats_drawing script

1 files changed, 139 insertions, 0 deletions

diff --git a/contrib/python/matplotlib/py2/src/ft2font.h b/contrib/python/matplotlib/py2/src/ft2font.h
new file mode 100644
index 0000000000..c60d5432cf
--- /dev/null
+++ b/contrib/python/matplotlib/py2/src/ft2font.h
@@ -0,0 +1,139 @@
+/* -*- mode: c++; c-basic-offset: 4 -*- */
+
+/* A python interface to FreeType */
+#ifndef _FT2FONT_H
+#define _FT2FONT_H
+#include <vector>
+#include <stdint.h>
+
+extern "C" {
+#include <ft2build.h>
+#include FT_FREETYPE_H
+#include FT_GLYPH_H
+#include FT_SFNT_NAMES_H
+#include FT_TYPE1_TABLES_H
+#include FT_TRUETYPE_TABLES_H
+}
+
+/*
+ By definition, FT_FIXED as 2 16bit values stored in a single long.
+ */
+#define FIXED_MAJOR(val) (long)((val & 0xffff000) >> 16)
+#define FIXED_MINOR(val) (long)(val & 0xffff)
+
+// the FreeType string rendered into a width, height buffer
+class FT2Image
+{
+  public:
+    FT2Image();
+    FT2Image(unsigned long width, unsigned long height);
+    virtual ~FT2Image();
+
+    void resize(long width, long height);
+    void draw_bitmap(FT_Bitmap *bitmap, FT_Int x, FT_Int y);
+    void write_bitmap(FILE *fp) const;
+    void draw_rect(unsigned long x0, unsigned long y0, unsigned long x1, unsigned long y1);
+    void draw_rect_filled(unsigned long x0, unsigned long y0, unsigned long x1, unsigned long y1);
+
+    unsigned char *get_buffer()
+    {
+        return m_buffer;
+    }
+    unsigned long get_width()
+    {
+        return m_width;
+    }
+    unsigned long get_height()
+    {
+        return m_height;
+    }
+
+  private:
+    bool m_dirty;
+    unsigned char *m_buffer;
+    unsigned long m_width;
+    unsigned long m_height;
+
+    // prevent copying
+    FT2Image(const FT2Image &);
+    FT2Image &operator=(const FT2Image &);
+};
+
+extern FT_Library _ft2Library;
+
+class FT2Font
+{
+
+  public:
+    FT2Font(FT_Open_Args &open_args, long hinting_factor);
+    virtual ~FT2Font();
+    void clear();
+    void set_size(double ptsize, double dpi);
+    void set_charmap(int i);
+    void select_charmap(unsigned long i);
+    void set_text(
+        size_t N, uint32_t *codepoints, double angle, FT_Int32 flags, std::vector<double> &xys);
+    int get_kerning(FT_UInt left, FT_UInt right, FT_UInt mode);
+    void load_char(long charcode, FT_Int32 flags);
+    void load_glyph(FT_UInt glyph_index, FT_Int32 flags);
+    void get_width_height(long *width, long *height);
+    void get_bitmap_offset(long *x, long *y);
+    long get_descent();
+    // TODO: Since we know the size of the array upfront, we probably don't
+    // need to dynamically allocate like this
+    void get_xys(bool antialiased, std::vector<double> &xys);
+    void draw_glyphs_to_bitmap(bool antialiased);
+    void draw_glyph_to_bitmap(FT2Image &im, int x, int y, size_t glyphInd, bool antialiased);
+    void get_glyph_name(unsigned int glyph_number, char *buffer);
+    long get_name_index(char *name);
+    int get_path_count();
+    void get_path(double *outpoints, unsigned char *outcodes);
+
+    FT_Face &get_face()
+    {
+        return face;
+    }
+    FT2Image &get_image()
+    {
+        return image;
+    }
+    FT_Glyph &get_last_glyph()
+    {
+        return glyphs.back();
+    }
+    size_t get_last_glyph_index()
+    {
+        return glyphs.size() - 1;
+    }
+    size_t get_num_glyphs()
+    {
+        return glyphs.size();
+    }
+    long get_hinting_factor()
+    {
+        return hinting_factor;
+    }
+
+  private:
+    FT2Image image;
+    FT_Face face;
+    FT_Matrix matrix; /* transformation matrix */
+    FT_Vector pen;    /* untransformed origin  */
+    FT_Error error;
+    std::vector<FT_Glyph> glyphs;
+    std::vector<FT_Vector> pos;
+    FT_BBox bbox;
+    FT_Pos advance;
+    double angle;
+    double ptsize;
+    double dpi;
+    long hinting_factor;
+
+    void set_scalable_attributes();
+
+    // prevent copying
+    FT2Font(const FT2Font &);
+    FT2Font &operator=(const FT2Font &);
+};
+
+#endif