mirror of
https://github.com/love2d/love.git
synced 2026-08-15 15:51:12 +02:00
Bill Meltsner
131 lines
3.0 KiB
C++
131 lines
3.0 KiB
C++
/**
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* Copyright (c) 2006-2010 LOVE Development Team
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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**/
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#include "Font.h"
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#include <common/math.h>
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#include <math.h>
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namespace love
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{
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namespace graphics
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{
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namespace opengl
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{
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Font::Font(love::font::FontData * data)
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: height(data->getHeight()), lineHeight(1.25)
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{
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glyphs = new Glyph*[MAX_CHARS];
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for(unsigned int i = 0; i < MAX_CHARS; i++)
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{
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glyphs[i] = new Glyph(data->getGlyphData(i));
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glyphs[i]->load();
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widths[i] = data->getGlyphData(i)->getWidth();
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spacing[i] = data->getGlyphData(i)->getAdvance();
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bearingX[i] = data->getGlyphData(i)->getBearingX();
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bearingY[i] = data->getGlyphData(i)->getBearingY();
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}
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}
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Font::~Font()
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{
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delete[] glyphs;
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}
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float Font::getHeight() const
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{
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return height;
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}
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void Font::print(std::string text, float x, float y) const
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{
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print(text, x, y, 0.0f, 1.0f, 1.0f);
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}
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void Font::print(std::string text, float x, float y, float angle, float sx, float sy) const
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{
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glPushMatrix();
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glTranslatef(ceil(x), ceil(y+getHeight()), 0.0f);
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glRotatef(LOVE_TODEG(angle), 0, 0, 1.0f);
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glScalef(sx, sy, 1.0f);
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int s = 0;
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for (unsigned int i = 0; i < text.size(); i++) {
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int g = (int)text[i];
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glyphs[g]->draw(bearingX[g] + s, -bearingY[g], 0, 1, 1, 0, 0);
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s += spacing[g];
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}
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glPopMatrix();
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}
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void Font::print(char character, float x, float y) const
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{
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glyphs[character]->draw(x, y+getHeight(), 0, 1, 1, 0, 0);
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}
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float Font::getWidth(const std::string & line) const
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{
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if(line.size() == 0) return 0;
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float temp = 0;
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for(unsigned int i = 0; i < line.size() - 1; i++)
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{
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temp += widths[(int)line[i]] + (spacing[(int)line[i]] * mSpacing);
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}
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temp += widths[(int)line[line.size() - 1]]; // the last character's spacing isn't counted
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return temp;
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}
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float Font::getWidth(const char * line) const
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{
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return this->getWidth(std::string(line));
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}
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float Font::getWidth(const char character) const
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{
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return (float)widths[(int)character];
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}
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void Font::setLineHeight(float height)
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{
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this->lineHeight = height;
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}
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float Font::getLineHeight() const
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{
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return lineHeight;
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}
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void Font::setSpacing(float amount)
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{
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mSpacing = amount;
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}
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float Font::getSpacing() const
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{
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return mSpacing;
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}
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} // opengl
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} // graphics
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} // love
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