[cairo] ODP: cairo-ft.h

[Rafał Jopek]

I have a question, is someone using the file cairo-ft.h​

Kind regards,
-- Rafał


________________________________
Od: suzuki toshiya <mpsuzuki at hiroshima-u.ac.jp>
Wysłane: sobota, 12 listopada 2022 13:05
Do: Rafał Jopek <rafaljopek at hotmail.com>; cairo at cairographics.org <cairo at cairographics.org>
Temat: Re: [cairo] cairo-ft.h

What `pkg-config --cflags freetype2 cairo` would return in your environment?
In my case, it returns like below.

$ pkg-config --cflags freetype2 cairo
-I/usr/include/cairo -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -I/usr/include/pixman-1 -I/usr/include/uuid -I/usr/include/freetype2 -I/usr/include/libpng16

The code you pasted,

> #include <cairo/cairo.h>
> #include <cairo/cairo-ft.h>
> //#include <cairo.h>
> //#include <cairo-ft.h>
>
> #include <freetype2/ft2build.h>
> //#include <ft2build.h>

looks like the situation that CFLAGS was not set properly, and cannot find cairo.h or ft2build.h, and you might have tried to fix by a workaround in C source (and failed). Please check your `pkg-config --cflags freetype2 cairo` you wrote in Makefile

Regards,
mpsuzuki

On 2022/11/12 18:35, Rafał Jopek wrote:
> Hi,
>
> Maybe someone is trying to make a compilation of this simple codes
> For me, it signals an error even though I have all the dependencies installed, we are talking about MSYS2
>
> ```
> C:/msys64/mingw64/include/cairo/cairo-ft.h:46:10: fatal error: ft2build.h: No such file or directory
>     46 | #include <ft2build.h>
>          |                  ^~~~~~~~~~~~
> ```
>
> free-type.c
>
> ```
>
> // free-type.c
> #include <stdio.h>
> #include <stdlib.h>
> #include <cairo/cairo.h>
> #include <cairo/cairo-ft.h>
> //#include <cairo.h>
> //#include <cairo-ft.h>
>
> #include <freetype2/ft2build.h>
> //#include <ft2build.h>
>
> #include FT_SFNT_NAMES_H
> #include FT_FREETYPE_H
> #include FT_GLYPH_H
> #include FT_OUTLINE_H
> #include FT_BBOX_H
> #include FT_TYPE1_TABLES_H
>
> int main()
> {
>      FT_Library value;
>      FT_Error status;
>      FT_Face face;
>
>      cairo_t *c;
>      cairo_surface_t *cs;
>      cairo_font_face_t * ct;
>      int size = 200;
>
>      cs = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, size, size);
>      c = cairo_create (cs);
>
>      const char * filename =     "/usr/local/share/fonts/Droid/DroidSansFallbackFull.ttf";
>
>      status = FT_Init_FreeType (& value);
>      if (status != 0) {
>          fprintf (stderr, "Error %d opening library.\n", status);
>          exit (EXIT_FAILURE);
>      }
>      status = FT_New_Face (value, filename, 0, & face);
>      if (status != 0) {
>          fprintf (stderr, "Error %d opening %s.\n", status, filename);
>          exit (EXIT_FAILURE);
>      }
>      ct = cairo_ft_font_face_create_for_ft_face (face, 0);
>      cairo_set_font_face (c, ct);
>      cairo_set_font_size (c, size/3);
>      cairo_set_source_rgb (c, 0, 0, 0);
>      cairo_move_to (c, size/6, size/3);
>      cairo_show_text (c, "あい");
>      cairo_set_source_rgb (c, 0.5, 0.5, 0);
>      cairo_move_to (c, size/6, 5*size/6);
>      cairo_show_text (c, "金柑");
>      cairo_surface_write_to_png (cs, "free-type.png");
>      return 0;
> }
>
>
> ```
>
> Makefile
>
> ```
>
> C=free-type.c
> CFLAGS = -Wall -g `pkg-config --cflags freetype2 cairo`
> LDFLAGS = `pkg-config --libs freetype2 cairo`
>
> all: free-type.png
>
> free-type.png: free-type
>          ./free-type
>
> free-type: $(C)
>          $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $(C)
>
> clean:
>          -rm -f free-type free-type.png
>
>
> ```
>
>
> Kind regards,
> -- Rafał
>
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