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Add colored text (not only colored chat).

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Add documentation, move files to a proper place and avoid memory leaks.
Make it work with most kind of texts, and allow backgrounds too.
This commit is contained in:
Ekdohibs
2016-05-31 17:30:11 +02:00
parent 1d40385d4a
commit 14ef2b445a
28 changed files with 689 additions and 318 deletions
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30
src/cguittfont/CGUITTFont.cpp
View File

@@ -1,6 +1,7 @@
/*
CGUITTFont FreeType class for Irrlicht
Copyright (c) 2009-2010 John Norman
Copyright (c) 2016 Nathanaël Courant
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any
@@ -545,6 +546,13 @@ void CGUITTFont::setFontHinting(const bool enable, const bool enable_auto_hintin
void CGUITTFont::draw(const core::stringw& text, const core::rect<s32>& position, video::SColor color, bool hcenter, bool vcenter, const core::rect<s32>* clip)
{
draw(EnrichedString(std::wstring(text.c_str()), color), position, color, hcenter, vcenter, clip);
}
void CGUITTFont::draw(const EnrichedString &text, const core::rect<s32>& position, video::SColor color, bool hcenter, bool vcenter, const core::rect<s32>* clip)
{
std::vector<video::SColor> colors = text.getColors();
if (!Driver)
return;
@@ -572,7 +580,7 @@ void CGUITTFont::draw(const core::stringw& text, const core::rect<s32>& position
}
// Convert to a unicode string.
core::ustring utext(text);
core::ustring utext = text.getString();
// Set up our render map.
core::map<u32, CGUITTGlyphPage*> Render_Map;
@@ -581,6 +589,7 @@ void CGUITTFont::draw(const core::stringw& text, const core::rect<s32>& position
u32 n;
uchar32_t previousChar = 0;
core::ustring::const_iterator iter(utext);
std::vector<video::SColor> applied_colors;
while (!iter.atEnd())
{
uchar32_t currentChar = *iter;
@@ -590,7 +599,7 @@ void CGUITTFont::draw(const core::stringw& text, const core::rect<s32>& position
if (currentChar == L'\r') // Mac or Windows breaks
{
lineBreak = true;
if (*(iter + 1) == (uchar32_t)'\n') // Windows line breaks.
if (*(iter + 1) == (uchar32_t)'\n') // Windows line breaks.
currentChar = *(++iter);
}
else if (currentChar == (uchar32_t)'\n') // Unix breaks
@@ -627,6 +636,9 @@ void CGUITTFont::draw(const core::stringw& text, const core::rect<s32>& position
page->render_positions.push_back(core::position2di(offset.X + offx, offset.Y + offy));
page->render_source_rects.push_back(glyph.source_rect);
Render_Map.set(glyph.glyph_page, page);
u32 current_color = iter.getPos();
if (current_color < colors.size())
applied_colors.push_back(colors[current_color]);
}
offset.X += getWidthFromCharacter(currentChar);
@@ -645,8 +657,6 @@ void CGUITTFont::draw(const core::stringw& text, const core::rect<s32>& position
CGUITTGlyphPage* page = n->getValue();
if (!use_transparency) color.color |= 0xff000000;
if (shadow_offset) {
for (size_t i = 0; i < page->render_positions.size(); ++i)
page->render_positions[i] += core::vector2di(shadow_offset, shadow_offset);
@@ -654,7 +664,17 @@ void CGUITTFont::draw(const core::stringw& text, const core::rect<s32>& position
for (size_t i = 0; i < page->render_positions.size(); ++i)
page->render_positions[i] -= core::vector2di(shadow_offset, shadow_offset);
}
Driver->draw2DImageBatch(page->texture, page->render_positions, page->render_source_rects, clip, color, true);
for (size_t i = 0; i < page->render_positions.size(); ++i) {
irr::video::SColor col;
if (!applied_colors.empty()) {
col = applied_colors[i < applied_colors.size() ? i : 0];
} else {
col = irr::video::SColor(255, 255, 255, 255);
}
if (!use_transparency)
col.color |= 0xff000000;
Driver->draw2DImage(page->texture, page->render_positions[i], page->render_source_rects[i], clip, col, true);
}
}
}

7
src/cguittfont/CGUITTFont.h
View File

@@ -1,6 +1,7 @@
/*
CGUITTFont FreeType class for Irrlicht
Copyright (c) 2009-2010 John Norman
Copyright (c) 2016 Nathanaël Courant
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any
@@ -33,6 +34,8 @@
#include <irrlicht.h>
#include <ft2build.h>
#include <vector>
#include "util/enriched_string.h"
#include FT_FREETYPE_H
namespace irr
@@ -258,6 +261,10 @@ namespace gui
virtual void draw(const core::stringw& text, const core::rect<s32>& position,
video::SColor color, bool hcenter=false, bool vcenter=false,
const core::rect<s32>* clip=0);
virtual void draw(const EnrichedString& text, const core::rect<s32>& position,
video::SColor color, bool hcenter=false, bool vcenter=false,
const core::rect<s32>* clip=0);
//! Returns the dimension of a character produced by this font.
virtual core::dimension2d<u32> getCharDimension(const wchar_t ch) const;