83ba7b4e8f
Compiles, but I obviously have no idea how it works yet. Yes, eventually we should factor out common parts from the iOS and MacOSX code.
97 lines
3.3 KiB
C++
97 lines
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#include "ios/common.h"
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#include "outfont.hxx"
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#include "ios/salcoretextfontutils.hxx"
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#include "ios/salcoretextstyle.hxx"
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CoreTextStyleInfo::CoreTextStyleInfo() :
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m_fake_bold(false),
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m_fake_italic(false),
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m_matrix(CGAffineTransformIdentity),
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m_stretch_factor(1.0),
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m_CTParagraphStyle(NULL),
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m_CTFont(NULL),
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m_color(NULL),
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m_font_data(NULL)
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{
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msgs_debug(style,"create <-->");
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}
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CoreTextStyleInfo::~CoreTextStyleInfo()
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{
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msgs_debug(style,"destroy (font:%p) <-->", m_CTFont);
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SafeCFRelease(m_CTFont);
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SafeCFRelease(m_CTParagraphStyle);
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SafeCFRelease(m_color);
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}
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long CoreTextStyleInfo::GetFontStretchedSize() const
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{
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CGFloat size = CTFontGetSize(m_CTFont);
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return static_cast<long>(size * m_stretch_factor + 0.5);
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}
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void CoreTextStyleInfo::SetFont(FontSelectPattern* requested_font)
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{
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msgs_debug(style,"req(%p) release font %p -->", requested_font, m_CTFont);
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SafeCFRelease(m_CTFont);
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if (!requested_font)
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{
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m_font_data = NULL;
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return;
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}
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const ImplCoreTextFontData* font_data = static_cast<const ImplCoreTextFontData*>(requested_font->mpFontData);
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m_font_data = (ImplCoreTextFontData*)font_data;
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m_matrix = CGAffineTransformIdentity;
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CGFloat font_size = (CGFloat)requested_font->mfExactHeight;
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// enable bold-emulation if needed
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if ( (requested_font->GetWeight() >= WEIGHT_BOLD) &&
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(font_data->GetWeight() < WEIGHT_SEMIBOLD) )
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{
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/* FIXME: add support for fake bold */
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m_fake_bold = true;
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}
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if ( ((requested_font->GetSlant() == ITALIC_NORMAL) || (requested_font->GetSlant() == ITALIC_OBLIQUE)) &&
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!((font_data->GetSlant() == ITALIC_NORMAL) || (font_data->GetSlant() == ITALIC_OBLIQUE)) )
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{
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#define kRotationForItalicText 10
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m_fake_italic = true;
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/* about 6 degree of slant */
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m_matrix = CGAffineTransformMake( 1, 0, -tanf( kRotationForItalicText * acosf(0) / 90 ), 1, 0, 0);
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}
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// prepare font stretching
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if ( (requested_font->mnWidth != 0) && (requested_font->mnWidth != requested_font->mnHeight) )
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{
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m_stretch_factor = (float)requested_font->mnWidth / requested_font->mnHeight;
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m_matrix = CGAffineTransformScale(m_matrix, m_stretch_factor, 1.0F );
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}
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/* FIXME: pass attribute to take into accout 'VerticalStyle' */
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/* FIXME: how to deal with 'rendering options' i.e anti-aliasing, does it even matter in CoreText ? */
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m_CTFont = CTFontCreateCopyWithAttributes(font_data->GetCTFont(), font_size, &m_matrix, NULL);
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msgs_debug(style,"font %p <--", m_CTFont);
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}
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void CoreTextStyleInfo::SetColor(SalColor color)
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{
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msgs_debug(style, "r:%d g:%d b:%d -->", SALCOLOR_RED(color), SALCOLOR_GREEN(color), SALCOLOR_BLUE(color));
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SafeCFRelease(m_color);
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CGColorSpaceRef rgb_space = CGColorSpaceCreateDeviceRGB();
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CGFloat c[] = { SALCOLOR_RED(color) / 255.0, SALCOLOR_GREEN(color) / 255.0, SALCOLOR_BLUE(color) / 255.0, 1.0 };
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m_color = CGColorCreate(rgb_space, c);
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CGColorSpaceRelease(rgb_space);
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msgs_debug(style,"color=%p <--", m_color);
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}
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void CoreTextStyleInfo::SetColor(void)
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{
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msgs_debug(style, "null -->");
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SafeCFRelease(m_color);
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msgs_debug(style,"color=%p <--", m_color);
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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