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Add servo Image type. Remove rust-png dependency from script, gfx, layout.

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This commit is contained in:
Glenn Watson 2015-07-07 08:45:01 +10:00
parent 0f8095b950
commit 83301ebb75
13 changed files with 67 additions and 60 deletions
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18
components/layout/display_list_builder.rs
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@ -36,7 +36,7 @@ use msg::compositor_msg::{ScrollPolicy, LayerId};
use msg::constellation_msg::ConstellationChan;
use msg::constellation_msg::Msg as ConstellationMsg;
use net_traits::image_cache_task::UsePlaceholder;
use png::{self, PixelsByColorType};
use net_traits::image::base::{Image, PixelFormat};
use std::cmp;
use std::default::Default;
use std::iter::repeat;
@ -50,7 +50,8 @@ use style::computed_values::{border_style, image_rendering, overflow_x, position
use style::properties::ComputedValues;
use style::properties::style_structs::Border;
use style::values::RGBA;
use style::values::computed::{Image, LinearGradient};
use style::values::computed;
use style::values::computed::LinearGradient;
use style::values::computed::{LengthOrNone, LengthOrPercentage, LengthOrPercentageOrAuto};
use style::values::specified::{AngleOrCorner, HorizontalDirection, VerticalDirection};
use url::Url;
@ -108,7 +109,7 @@ pub trait FragmentDisplayListBuilding {
fn compute_background_image_size(&self,
style: &ComputedValues,
bounds: &Rect<Au>,
image: &png::Image)
image: &Image)
-> Size2D<Au>;
/// Adds the display items necessary to paint the background image of this fragment to the
@ -363,7 +364,7 @@ impl FragmentDisplayListBuilding for Fragment {
let background = style.get_background();
match background.background_image {
None => {}
Some(Image::LinearGradient(ref gradient)) => {
Some(computed::Image::LinearGradient(ref gradient)) => {
self.build_display_list_for_background_linear_gradient(display_list,
level,
absolute_bounds,
@ -371,7 +372,7 @@ impl FragmentDisplayListBuilding for Fragment {
gradient,
style)
}
Some(Image::Url(ref image_url)) => {
Some(computed::Image::Url(ref image_url)) => {
self.build_display_list_for_background_image(style,
display_list,
layout_context,
@ -386,7 +387,7 @@ impl FragmentDisplayListBuilding for Fragment {
fn compute_background_image_size(&self,
style: &ComputedValues,
bounds: &Rect<Au>,
image: &png::Image)
image: &Image)
-> Size2D<Au> {
// If `image_aspect_ratio` < `bounds_aspect_ratio`, the image is tall; otherwise, it is
// wide.
@ -1111,10 +1112,11 @@ impl FragmentDisplayListBuilding for Fragment {
&*self.style,
Cursor::DefaultCursor),
(*clip).clone()),
image: Arc::new(png::Image {
image: Arc::new(Image {
width: width as u32,
height: height as u32,
pixels: PixelsByColorType::RGBA8(canvas_data),
format: PixelFormat::RGBA8,
bytes: canvas_data,
}),
stretch_size: stacking_relative_content_box.size,
image_rendering: image_rendering::T::Auto,