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Expose `CanvasRenderingContext2D::set_text_baseline()` to C. 

Closes #425.
This commit is contained in:
Patrick Walton 2020-07-29 10:43:37 -07:00
parent 9cda2747c4
commit 9517fe8c63
1 changed files with 22 additions and 1 deletions
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23
c/src/lib.rs
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@ -13,7 +13,7 @@
use font_kit::handle::Handle; use font_kit::handle::Handle;
use gl; use gl;
use pathfinder_canvas::{Canvas, CanvasFontContext, CanvasRenderingContext2D, FillStyle, LineJoin}; use pathfinder_canvas::{Canvas, CanvasFontContext, CanvasRenderingContext2D, FillStyle, LineJoin};
use pathfinder_canvas::{Path2D, TextAlign, TextMetrics}; use pathfinder_canvas::{Path2D, TextAlign, TextBaseline, TextMetrics};
use pathfinder_color::{ColorF, ColorU}; use pathfinder_color::{ColorF, ColorU};
use pathfinder_content::fill::FillRule; use pathfinder_content::fill::FillRule;
use pathfinder_content::outline::ArcDirection; use pathfinder_content::outline::ArcDirection;
@ -67,6 +67,13 @@ pub const PF_TEXT_ALIGN_LEFT: u8 = 0;
pub const PF_TEXT_ALIGN_CENTER: u8 = 1; pub const PF_TEXT_ALIGN_CENTER: u8 = 1;
pub const PF_TEXT_ALIGN_RIGHT: u8 = 2; pub const PF_TEXT_ALIGN_RIGHT: u8 = 2;
pub const PF_TEXT_BASELINE_ALPHABETIC: u8 = 0;
pub const PF_TEXT_BASELINE_TOP: u8 = 1;
pub const PF_TEXT_BASELINE_HANGING: u8 = 2;
pub const PF_TEXT_BASELINE_MIDDLE: u8 = 3;
pub const PF_TEXT_BASELINE_IDEOGRAPHIC: u8 = 4;
pub const PF_TEXT_BASELINE_BOTTOM: u8 = 5;
// `content` // `content`
pub const PF_ARC_DIRECTION_CW: u8 = 0; pub const PF_ARC_DIRECTION_CW: u8 = 0;
@ -100,6 +107,7 @@ pub type PFLineCap = u8;
pub type PFLineJoin = u8; pub type PFLineJoin = u8;
pub type PFArcDirection = u8; pub type PFArcDirection = u8;
pub type PFTextAlign = u8; pub type PFTextAlign = u8;
pub type PFTextBaseline = u8;
#[repr(C)] #[repr(C)]
pub struct PFTextMetrics { pub struct PFTextMetrics {
pub width: f32, pub width: f32,
@ -387,6 +395,19 @@ pub unsafe extern "C" fn PFCanvasSetTextAlign(canvas: PFCanvasRef, new_text_alig
}); });
} }
#[no_mangle]
pub unsafe extern "C" fn PFCanvasSetTextBaseline(canvas: PFCanvasRef,
new_text_baseline: PFTextBaseline) {
(*canvas).set_text_baseline(match new_text_baseline {
PF_TEXT_BASELINE_ALPHABETIC => TextBaseline::Alphabetic,
PF_TEXT_BASELINE_TOP => TextBaseline::Top,
PF_TEXT_BASELINE_HANGING => TextBaseline::Hanging,
PF_TEXT_BASELINE_MIDDLE => TextBaseline::Middle,
PF_TEXT_BASELINE_IDEOGRAPHIC => TextBaseline::Ideographic,
_ => TextBaseline::Bottom,
});
}
#[no_mangle] #[no_mangle]
pub unsafe extern "C" fn PFCanvasSetFillStyle(canvas: PFCanvasRef, fill_style: PFFillStyleRef) { pub unsafe extern "C" fn PFCanvasSetFillStyle(canvas: PFCanvasRef, fill_style: PFFillStyleRef) {
// FIXME(pcwalton): Avoid the copy? // FIXME(pcwalton): Avoid the copy?