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/*
* Copyright (C) 2024 Igalia S.L.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "FontRenderOptions.h"
#if USE(CAIRO)
namespace WebCore {
FontRenderOptions::FontRenderOptions()
: m_fontOptions(cairo_font_options_create())
{
}
void FontRenderOptions::setHinting(std::optional<Hinting> hinting)
{
if (m_isHintingDisabledForTesting)
return;
cairo_font_options_set_hint_metrics(m_fontOptions.get(), CAIRO_HINT_METRICS_ON);
if (!hinting.has_value()) {
cairo_font_options_set_hint_style(m_fontOptions.get(), CAIRO_HINT_STYLE_DEFAULT);
return;
}
switch (hinting.value()) {
case Hinting::None:
cairo_font_options_set_hint_style(m_fontOptions.get(), CAIRO_HINT_STYLE_NONE);
break;
case Hinting::Slight:
cairo_font_options_set_hint_style(m_fontOptions.get(), CAIRO_HINT_STYLE_SLIGHT);
break;
case Hinting::Medium:
cairo_font_options_set_hint_style(m_fontOptions.get(), CAIRO_HINT_STYLE_MEDIUM);
break;
case Hinting::Full:
cairo_font_options_set_hint_style(m_fontOptions.get(), CAIRO_HINT_STYLE_FULL);
break;
}
}
void FontRenderOptions::setAntialias(std::optional<Antialias> antialias)
{
if (!antialias.has_value()) {
cairo_font_options_set_antialias(m_fontOptions.get(), CAIRO_ANTIALIAS_DEFAULT);
return;
}
switch (antialias.value()) {
case Antialias::None:
cairo_font_options_set_antialias(m_fontOptions.get(), CAIRO_ANTIALIAS_NONE);
break;
case Antialias::Normal:
cairo_font_options_set_antialias(m_fontOptions.get(), CAIRO_ANTIALIAS_GRAY);
break;
case Antialias::Subpixel:
cairo_font_options_set_antialias(m_fontOptions.get(), CAIRO_ANTIALIAS_SUBPIXEL);
break;
}
}
void FontRenderOptions::setSubpixelOrder(std::optional<SubpixelOrder> subpixelOrder)
{
if (!subpixelOrder.has_value()) {
cairo_font_options_set_subpixel_order(m_fontOptions.get(), CAIRO_SUBPIXEL_ORDER_DEFAULT);
return;
}
switch (subpixelOrder.value()) {
case SubpixelOrder::Unknown:
cairo_font_options_set_subpixel_order(m_fontOptions.get(), CAIRO_SUBPIXEL_ORDER_DEFAULT);
break;
case SubpixelOrder::HorizontalRGB:
cairo_font_options_set_subpixel_order(m_fontOptions.get(), CAIRO_SUBPIXEL_ORDER_RGB);
break;
case SubpixelOrder::HorizontalBGR:
cairo_font_options_set_subpixel_order(m_fontOptions.get(), CAIRO_SUBPIXEL_ORDER_BGR);
break;
case SubpixelOrder::VerticalRGB:
cairo_font_options_set_subpixel_order(m_fontOptions.get(), CAIRO_SUBPIXEL_ORDER_VRGB);
break;
case SubpixelOrder::VerticalBGR:
cairo_font_options_set_subpixel_order(m_fontOptions.get(), CAIRO_SUBPIXEL_ORDER_VBGR);
break;
}
}
void FontRenderOptions::disableHintingForTesting()
{
cairo_font_options_set_hint_metrics(m_fontOptions.get(), CAIRO_HINT_METRICS_ON);
cairo_font_options_set_hint_style(m_fontOptions.get(), CAIRO_HINT_STYLE_NONE);
m_isHintingDisabledForTesting = true;
}
} // namespace WebCore
#endif // USE(CAIRO)
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