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Allow to use FreeTypeAbstraction fonts and render glyph by index #357

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Allow to use FreeTypeAbstraction fonts and render glyph by index #357

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ac90eae
Allow to set FTFont and use glyph index
Kolaru Oct 3, 2022
0ee1994
Add compat entry for FreeTypeAbstraction
Kolaru Oct 3, 2022
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4 changes: 3 additions & 1 deletion Project.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -5,18 +5,20 @@ version = "1.0.5"
[deps]
Cairo_jll = "83423d85-b0ee-5818-9007-b63ccbeb887a"
Colors = "5ae59095-9a9b-59fe-a467-6f913c188581"
FreeTypeAbstraction = "663a7486-cb36-511b-a19d-713bb74d65c9"
Glib_jll = "7746bdde-850d-59dc-9ae8-88ece973131d"
Graphics = "a2bd30eb-e257-5431-a919-1863eab51364"
Libdl = "8f399da3-3557-5675-b5ff-fb832c97cbdb"
Pango_jll = "36c8627f-9965-5494-a995-c6b170f724f3"

[compat]
julia = "1.3"
Cairo_jll = "1.16.0"
Colors = "0.9, 0.10, 0.11, 0.12"
Glib_jll = "2.59.0"
Graphics = "0.4, 1"
FreeTypeAbstraction = "0.10"
Pango_jll = "1.42.4"
julia = "1.3"

[extras]
Base64 = "2a0f44e3-6c83-55bd-87e4-b1978d98bd5f"
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31 changes: 30 additions & 1 deletion src/Cairo.jl
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Expand Up @@ -16,7 +16,7 @@ Base.@deprecate_binding _jl_libpango Cairo.libpango false
Base.@deprecate_binding _jl_libpangocairo Cairo.libpango false

using Colors

using FreeTypeAbstraction
import Graphics
using Graphics: BoundingBox, GraphicsContext, GraphicsDevice
import Graphics: arc, clip, clip_preserve, close_path, creategc, device_to_user!, device_to_user_distance!, fill_preserve, height, line_to, move_to, new_path, new_sub_path, paint, rectangle, rel_line_to, rel_move_to, reset_clip, restore, rotate, save, scale, set_dash, set_line_width, set_source, set_source_rgb, set_source_rgba, stroke, stroke_preserve, stroke_transformed, stroke_transformed_preserve, textwidth, translate, user_to_device!, user_to_device_distance!, width, circle, reset_transform
Expand Down Expand Up @@ -1182,6 +1182,16 @@ function set_font_face(ctx::CairoContext, str::AbstractString)
(Ptr{Nothing},), fontdesc)
end

function set_font_face(ctx::CairoContext, font::FreeTypeAbstraction.FTFont)
font_face = ccall(
(:cairo_ft_font_face_create_for_ft_face, libcairo),
Ptr{Nothing}, (FreeTypeAbstraction.FT_Face, Cint),
font, 0)
ccall((:cairo_set_font_face, libcairo), Nothing,
(Ptr{Nothing}, Ptr{Nothing}), ctx.ptr, font_face)
return font_face
end

function set_text(ctx::CairoContext, text::AbstractString, markup::Bool = false)
if markup
ccall((:pango_layout_set_markup,libpango), Nothing,
Expand Down Expand Up @@ -1251,6 +1261,25 @@ function text_path(ctx::CairoContext,value::AbstractString)
ctx.ptr, String(value))
end

struct CairoGlyph
index::Culong
x::Cdouble
y::Cdouble
end

function show_glyph(ctx::CairoContext, glyph::CairoGlyph)
cg = Ref(glyph)
ccall((:cairo_show_glyphs, Cairo.libcairo),
Nothing, (Ptr{Nothing}, Ptr{CairoGlyph}, Cint),
ctx.ptr, cg, 1)
end

function glyph_path(ctx::CairoContext, glyph::CairoGlyph)
cg = Ref(glyph)
ccall((:cairo_glyph_path, Cairo.libcairo),
Nothing, (Ptr{Nothing}, Ptr{CairoGlyph}, Cint),
ctx.ptr, cg, 1)
end

function select_font_face(ctx::CairoContext,family::AbstractString,slant,weight)
ccall((:cairo_select_font_face, libcairo),
Expand Down