mirror of
https://github.com/love2d/love.git
synced 2026-08-16 08:11:02 +02:00
Applied the new style guidelines.
Well, sort of. Lot's more to be done, but this is a start.
This commit is contained in:
rude
@@ -1,378 +1,385 @@
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/**
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* Copyright (c) 2006-2012 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
|
||||
* 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
|
||||
* in a product, an acknowledgment in the product documentation would be
|
||||
* appreciated but is not required.
|
||||
* 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 <common/config.h>
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#include "Font.h"
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#include <font/GlyphData.h>
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#include "Quad.h"
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#include <libraries/utf8/utf8.h>
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#include <common/math.h>
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#include <common/Matrix.h>
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#include <math.h>
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#include <sstream>
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#include <algorithm> // for max
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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::Rasterizer * r, const Image::Filter& filter)
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: rasterizer(r), height(r->getHeight()), lineHeight(1), mSpacing(1), filter(filter)
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{
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r->retain();
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love::font::GlyphData * gd = r->getGlyphData(32);
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type = (gd->getFormat() == love::font::GlyphData::FORMAT_LUMINANCE_ALPHA ? FONT_TRUETYPE : FONT_IMAGE);
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delete gd;
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createTexture();
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}
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Font::~Font()
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{
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rasterizer->release();
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unloadVolatile();
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}
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void Font::createTexture()
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{
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texture_x = texture_y = rowHeight = TEXTURE_PADDING;
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GLuint t;
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glGenTextures(1, &t);
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textures.push_back(t);
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bindTexture(t);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,
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(filter.mag == Image::FILTER_LINEAR) ? GL_LINEAR : GL_NEAREST);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
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(filter.min == Image::FILTER_LINEAR) ? GL_LINEAR : GL_NEAREST);
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glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
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glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
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GLint format = (type == FONT_TRUETYPE ? GL_LUMINANCE_ALPHA : GL_RGBA);
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// Initialize the texture
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glTexImage2D(GL_TEXTURE_2D,
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0,
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GL_RGBA,
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(GLsizei)TEXTURE_WIDTH,
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(GLsizei)TEXTURE_HEIGHT,
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0,
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format,
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GL_UNSIGNED_BYTE,
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NULL);
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// Fill the texture with transparent black
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std::vector<GLubyte> emptyData(TEXTURE_WIDTH * TEXTURE_HEIGHT * (type == FONT_TRUETYPE ? 2 : 4), 0);
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glTexSubImage2D(GL_TEXTURE_2D,
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0,
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0,
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0,
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(GLsizei)TEXTURE_WIDTH,
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(GLsizei)TEXTURE_HEIGHT,
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format,
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GL_UNSIGNED_BYTE,
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&emptyData[0]);
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}
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Font::Glyph * Font::addGlyph(int glyph)
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{
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love::font::GlyphData *gd = rasterizer->getGlyphData(glyph);
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int w = gd->getWidth();
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int h = gd->getHeight();
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if (texture_x + w + TEXTURE_PADDING > TEXTURE_WIDTH)
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{ // out of space - new row!
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texture_x = TEXTURE_PADDING;
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texture_y += rowHeight;
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rowHeight = TEXTURE_PADDING;
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}
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if (texture_y + h + TEXTURE_PADDING > TEXTURE_HEIGHT)
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{ // totally out of space - new texture!
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createTexture();
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}
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Glyph * g = new Glyph;
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g->list = g->texture = 0;
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g->spacing = gd->getAdvance();
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// don't waste space for empty glyphs. also fixes a division by zero bug with ati drivers
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if (w > 0 && h > 0)
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{
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g->list = glGenLists(1);
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if (0 == g->list)
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{
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delete g;
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return NULL;
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}
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GLuint t = textures.back();
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bindTexture(t);
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glTexSubImage2D(GL_TEXTURE_2D, 0, texture_x, texture_y, w, h, (type == FONT_TRUETYPE ? GL_LUMINANCE_ALPHA : GL_RGBA), GL_UNSIGNED_BYTE, gd->getData());
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g->texture = t;
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Quad::Viewport v;
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v.x = (float) texture_x;
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v.y = (float) texture_y;
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v.w = (float) w;
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v.h = (float) h;
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Quad * q = new Quad(v, (const float) TEXTURE_WIDTH, (const float) TEXTURE_HEIGHT);
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const vertex * verts = q->getVertices();
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glEnableClientState(GL_VERTEX_ARRAY);
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glEnableClientState(GL_TEXTURE_COORD_ARRAY);
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glVertexPointer(2, GL_FLOAT, sizeof(vertex), (GLvoid *)&verts[0].x);
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glTexCoordPointer(2, GL_FLOAT, sizeof(vertex), (GLvoid *)&verts[0].s);
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glNewList(g->list, GL_COMPILE);
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glPushMatrix();
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glTranslatef(static_cast<float>(gd->getBearingX()), static_cast<float>(-gd->getBearingY()), 0.0f);
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glDrawArrays(GL_QUADS, 0, 4);
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glPopMatrix();
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glEndList();
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glDisableClientState(GL_TEXTURE_COORD_ARRAY);
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glDisableClientState(GL_VERTEX_ARRAY);
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delete q;
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}
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if (w > 0)
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texture_x += (w + TEXTURE_PADDING);
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if (h > 0)
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rowHeight = std::max(rowHeight, h + TEXTURE_PADDING);
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delete gd;
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glyphs[glyph] = g;
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return g;
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}
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float Font::getHeight() const
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{
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return static_cast<float>(height);
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}
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void Font::print(std::string text, float x, float y, float angle, float sx, float sy, float ox, float oy, float kx, float ky)
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{
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float dx = 0.0f; // spacing counter for newline handling
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glPushMatrix();
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Matrix t;
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t.setTransformation(ceil(x), ceil(y), angle, sx, sy, ox, oy, kx, ky);
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glMultMatrixf((const GLfloat*)t.getElements());
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try
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{
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utf8::iterator<std::string::iterator> i (text.begin(), text.begin(), text.end());
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utf8::iterator<std::string::iterator> end (text.end(), text.begin(), text.end());
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while (i != end)
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{
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int g = *i++;
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if (g == '\n')
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{ // wrap newline, but do not print it
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glTranslatef(-dx, floor(getHeight() * getLineHeight() + 0.5f), 0);
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dx = 0.0f;
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continue;
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}
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Glyph * glyph = glyphs[g];
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if (!glyph) glyph = addGlyph(g);
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glPushMatrix();
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// 1.25 is magic line height for true type fonts
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if (type == FONT_TRUETYPE) glTranslatef(0, floor(getHeight() / 1.25f + 0.5f), 0);
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bindTexture(glyph->texture);
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glCallList(glyph->list);
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glPopMatrix();
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glTranslatef(static_cast<GLfloat>(glyph->spacing), 0, 0);
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dx += glyph->spacing;
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}
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}
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catch (utf8::exception & e)
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{
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glPopMatrix();
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throw love::Exception("%s", e.what());
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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)
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{
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Glyph * glyph = glyphs[character];
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if (!glyph) glyph = addGlyph(character);
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if (0 != glyph->texture)
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{
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glPushMatrix();
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glTranslatef(x, floor(y+getHeight() + 0.5f), 0.0f);
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bindTexture(glyph->texture);
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glCallList(glyph->list);
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glPopMatrix();
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}
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}
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int Font::getWidth(const std::string & line)
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{
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if (line.size() == 0) return 0;
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int temp = 0;
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Glyph * g;
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try
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{
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utf8::iterator<std::string::const_iterator> i (line.begin(), line.begin(), line.end());
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utf8::iterator<std::string::const_iterator> end (line.end(), line.begin(), line.end());
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while (i != end)
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{
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int c = *i++;
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g = glyphs[c];
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if (!g) g = addGlyph(c);
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temp += static_cast<int>(g->spacing * mSpacing);
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}
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}
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catch (utf8::exception & e)
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{
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throw love::Exception("%s", e.what());
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}
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return temp;
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}
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int Font::getWidth(const char * line)
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{
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return this->getWidth(std::string(line));
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}
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int Font::getWidth(const char character)
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{
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Glyph * g = glyphs[character];
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if (!g) g = addGlyph(character);
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return g->spacing;
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}
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std::vector<std::string> Font::getWrap(const std::string text, float wrap, int * max_width)
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{
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using namespace std;
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const float width_space = static_cast<float>(getWidth(' '));
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vector<string> lines_to_draw;
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int maxw = 0;
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//split text at newlines
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istringstream iss( text );
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string line;
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ostringstream string_builder;
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while (getline(iss, line, '\n'))
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{
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// split line into words
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vector<string> words;
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istringstream word_iss(line);
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copy(istream_iterator<string>(word_iss), istream_iterator<string>(),
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back_inserter< vector<string> >(words));
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// put words back together until a wrap occurs
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float width = 0.0f;
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float oldwidth = 0.0f;
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string_builder.str("");
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vector<string>::const_iterator word_iter, wend = words.end();
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for (word_iter = words.begin(); word_iter != wend; ++word_iter)
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{
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const string& word = *word_iter;
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width += getWidth( word );
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// on wordwrap, push line to line buffer and clear string builder
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if (width >= wrap && oldwidth > 0)
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{
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int realw = (int) width;
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// remove trailing space
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string tmp = string_builder.str();
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lines_to_draw.push_back( tmp.substr(0,tmp.size()-1) );
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string_builder.str("");
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width = static_cast<float>(getWidth( word ));
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realw -= (int) width;
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if (realw > maxw)
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maxw = realw;
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}
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string_builder << word << " ";
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width += width_space;
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oldwidth = width;
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}
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// push last line
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if (width > maxw)
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maxw = (int) width;
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string tmp = string_builder.str();
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lines_to_draw.push_back( tmp.substr(0,tmp.size()-1) );
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}
|
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|
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if (max_width)
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*max_width = maxw;
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return lines_to_draw;
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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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|
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bool Font::loadVolatile()
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{
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createTexture();
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return true;
|
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}
|
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|
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void Font::unloadVolatile()
|
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{
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// nuke everything from orbit
|
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std::map<int, Glyph *>::iterator it = glyphs.begin();
|
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Glyph * g;
|
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while (it != glyphs.end())
|
||||
{
|
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g = it->second;
|
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glDeleteLists(g->list, 1);
|
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delete g;
|
||||
glyphs.erase(it++);
|
||||
}
|
||||
std::vector<GLuint>::iterator iter = textures.begin();
|
||||
while (iter != textures.end())
|
||||
{
|
||||
deleteTexture(*iter);
|
||||
iter++;
|
||||
}
|
||||
textures.clear();
|
||||
}
|
||||
|
||||
} // opengl
|
||||
} // graphics
|
||||
} // love
|
||||
/**
|
||||
* Copyright (c) 2006-2012 LOVE Development Team
|
||||
*
|
||||
* This software is provided 'as-is', without any express or implied
|
||||
* warranty. In no event will the authors be held liable for any damages
|
||||
* arising from the use of this software.
|
||||
*
|
||||
* Permission is granted to anyone to use this software for any purpose,
|
||||
* including commercial applications, and to alter it and redistribute it
|
||||
* freely, subject to the following restrictions:
|
||||
*
|
||||
* 1. The origin of this software must not be misrepresented; you must not
|
||||
* claim that you wrote the original software. If you use this software
|
||||
* in a product, an acknowledgment in the product documentation would be
|
||||
* appreciated but is not required.
|
||||
* 2. Altered source versions must be plainly marked as such, and must not be
|
||||
* misrepresented as being the original software.
|
||||
* 3. This notice may not be removed or altered from any source distribution.
|
||||
**/
|
||||
#include "common/config.h"
|
||||
#include "Font.h"
|
||||
#include "font/GlyphData.h"
|
||||
#include "Quad.h"
|
||||
|
||||
#include "libraries/utf8/utf8.h"
|
||||
|
||||
#include "common/math.h"
|
||||
#include "common/Matrix.h"
|
||||
#include <math.h>
|
||||
|
||||
#include <sstream>
|
||||
|
||||
#include <algorithm> // for max
|
||||
|
||||
namespace love
|
||||
{
|
||||
namespace graphics
|
||||
{
|
||||
namespace opengl
|
||||
{
|
||||
|
||||
Font::Font(love::font::Rasterizer *r, const Image::Filter &filter)
|
||||
: rasterizer(r)
|
||||
, height(r->getHeight())
|
||||
, lineHeight(1)
|
||||
, mSpacing(1)
|
||||
, filter(filter)
|
||||
{
|
||||
r->retain();
|
||||
love::font::GlyphData *gd = r->getGlyphData(32);
|
||||
type = (gd->getFormat() == love::font::GlyphData::FORMAT_LUMINANCE_ALPHA ? FONT_TRUETYPE : FONT_IMAGE);
|
||||
delete gd;
|
||||
createTexture();
|
||||
}
|
||||
|
||||
Font::~Font()
|
||||
{
|
||||
rasterizer->release();
|
||||
unloadVolatile();
|
||||
}
|
||||
|
||||
void Font::createTexture()
|
||||
{
|
||||
texture_x = texture_y = rowHeight = TEXTURE_PADDING;
|
||||
GLuint t;
|
||||
glGenTextures(1, &t);
|
||||
textures.push_back(t);
|
||||
bindTexture(t);
|
||||
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,
|
||||
(filter.mag == Image::FILTER_LINEAR) ? GL_LINEAR : GL_NEAREST);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
|
||||
(filter.min == Image::FILTER_LINEAR) ? GL_LINEAR : GL_NEAREST);
|
||||
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
|
||||
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
|
||||
GLint format = (type == FONT_TRUETYPE ? GL_LUMINANCE_ALPHA : GL_RGBA);
|
||||
// Initialize the texture
|
||||
glTexImage2D(GL_TEXTURE_2D,
|
||||
0,
|
||||
GL_RGBA,
|
||||
(GLsizei)TEXTURE_WIDTH,
|
||||
(GLsizei)TEXTURE_HEIGHT,
|
||||
0,
|
||||
format,
|
||||
GL_UNSIGNED_BYTE,
|
||||
NULL);
|
||||
// Fill the texture with transparent black
|
||||
std::vector<GLubyte> emptyData(TEXTURE_WIDTH * TEXTURE_HEIGHT * (type == FONT_TRUETYPE ? 2 : 4), 0);
|
||||
glTexSubImage2D(GL_TEXTURE_2D,
|
||||
0,
|
||||
0,
|
||||
0,
|
||||
(GLsizei)TEXTURE_WIDTH,
|
||||
(GLsizei)TEXTURE_HEIGHT,
|
||||
format,
|
||||
GL_UNSIGNED_BYTE,
|
||||
&emptyData[0]);
|
||||
}
|
||||
|
||||
Font::Glyph *Font::addGlyph(int glyph)
|
||||
{
|
||||
love::font::GlyphData *gd = rasterizer->getGlyphData(glyph);
|
||||
int w = gd->getWidth();
|
||||
int h = gd->getHeight();
|
||||
|
||||
if (texture_x + w + TEXTURE_PADDING > TEXTURE_WIDTH)
|
||||
{
|
||||
// out of space - new row!
|
||||
texture_x = TEXTURE_PADDING;
|
||||
texture_y += rowHeight;
|
||||
rowHeight = TEXTURE_PADDING;
|
||||
}
|
||||
if (texture_y + h + TEXTURE_PADDING > TEXTURE_HEIGHT)
|
||||
{
|
||||
// totally out of space - new texture!
|
||||
createTexture();
|
||||
}
|
||||
|
||||
Glyph *g = new Glyph;
|
||||
g->list = g->texture = 0;
|
||||
g->spacing = gd->getAdvance();
|
||||
|
||||
// don't waste space for empty glyphs. also fixes a division by zero bug with ati drivers
|
||||
if (w > 0 && h > 0)
|
||||
{
|
||||
g->list = glGenLists(1);
|
||||
if (0 == g->list)
|
||||
{
|
||||
delete g;
|
||||
return NULL;
|
||||
}
|
||||
|
||||
GLuint t = textures.back();
|
||||
bindTexture(t);
|
||||
glTexSubImage2D(GL_TEXTURE_2D, 0, texture_x, texture_y, w, h, (type == FONT_TRUETYPE ? GL_LUMINANCE_ALPHA : GL_RGBA), GL_UNSIGNED_BYTE, gd->getData());
|
||||
|
||||
g->texture = t;
|
||||
|
||||
Quad::Viewport v;
|
||||
v.x = (float) texture_x;
|
||||
v.y = (float) texture_y;
|
||||
v.w = (float) w;
|
||||
v.h = (float) h;
|
||||
Quad *q = new Quad(v, (const float) TEXTURE_WIDTH, (const float) TEXTURE_HEIGHT);
|
||||
const vertex *verts = q->getVertices();
|
||||
|
||||
glEnableClientState(GL_VERTEX_ARRAY);
|
||||
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
|
||||
glVertexPointer(2, GL_FLOAT, sizeof(vertex), (GLvoid *)&verts[0].x);
|
||||
glTexCoordPointer(2, GL_FLOAT, sizeof(vertex), (GLvoid *)&verts[0].s);
|
||||
|
||||
glNewList(g->list, GL_COMPILE);
|
||||
glPushMatrix();
|
||||
glTranslatef(static_cast<float>(gd->getBearingX()), static_cast<float>(-gd->getBearingY()), 0.0f);
|
||||
glDrawArrays(GL_QUADS, 0, 4);
|
||||
glPopMatrix();
|
||||
glEndList();
|
||||
|
||||
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
|
||||
glDisableClientState(GL_VERTEX_ARRAY);
|
||||
|
||||
delete q;
|
||||
}
|
||||
|
||||
if (w > 0)
|
||||
texture_x += (w + TEXTURE_PADDING);
|
||||
if (h > 0)
|
||||
rowHeight = std::max(rowHeight, h + TEXTURE_PADDING);
|
||||
|
||||
delete gd;
|
||||
glyphs[glyph] = g;
|
||||
return g;
|
||||
}
|
||||
|
||||
float Font::getHeight() const
|
||||
{
|
||||
return static_cast<float>(height);
|
||||
}
|
||||
|
||||
void Font::print(std::string text, float x, float y, float angle, float sx, float sy, float ox, float oy, float kx, float ky)
|
||||
{
|
||||
float dx = 0.0f; // spacing counter for newline handling
|
||||
glPushMatrix();
|
||||
|
||||
Matrix t;
|
||||
t.setTransformation(ceil(x), ceil(y), angle, sx, sy, ox, oy, kx, ky);
|
||||
glMultMatrixf((const GLfloat *)t.getElements());
|
||||
try
|
||||
{
|
||||
utf8::iterator<std::string::iterator> i(text.begin(), text.begin(), text.end());
|
||||
utf8::iterator<std::string::iterator> end(text.end(), text.begin(), text.end());
|
||||
while (i != end)
|
||||
{
|
||||
int g = *i++;
|
||||
if (g == '\n')
|
||||
{
|
||||
// wrap newline, but do not print it
|
||||
glTranslatef(-dx, floor(getHeight() * getLineHeight() + 0.5f), 0);
|
||||
dx = 0.0f;
|
||||
continue;
|
||||
}
|
||||
Glyph *glyph = glyphs[g];
|
||||
if (!glyph) glyph = addGlyph(g);
|
||||
glPushMatrix();
|
||||
// 1.25 is magic line height for true type fonts
|
||||
if (type == FONT_TRUETYPE) glTranslatef(0, floor(getHeight() / 1.25f + 0.5f), 0);
|
||||
bindTexture(glyph->texture);
|
||||
glCallList(glyph->list);
|
||||
glPopMatrix();
|
||||
glTranslatef(static_cast<GLfloat>(glyph->spacing), 0, 0);
|
||||
dx += glyph->spacing;
|
||||
}
|
||||
}
|
||||
catch(utf8::exception &e)
|
||||
{
|
||||
glPopMatrix();
|
||||
throw love::Exception("%s", e.what());
|
||||
}
|
||||
glPopMatrix();
|
||||
}
|
||||
|
||||
void Font::print(char character, float x, float y)
|
||||
{
|
||||
Glyph *glyph = glyphs[character];
|
||||
if (!glyph) glyph = addGlyph(character);
|
||||
|
||||
if (0 != glyph->texture)
|
||||
{
|
||||
glPushMatrix();
|
||||
glTranslatef(x, floor(y+getHeight() + 0.5f), 0.0f);
|
||||
bindTexture(glyph->texture);
|
||||
glCallList(glyph->list);
|
||||
glPopMatrix();
|
||||
}
|
||||
}
|
||||
|
||||
int Font::getWidth(const std::string &line)
|
||||
{
|
||||
if (line.size() == 0) return 0;
|
||||
int temp = 0;
|
||||
|
||||
Glyph *g;
|
||||
|
||||
try
|
||||
{
|
||||
utf8::iterator<std::string::const_iterator> i(line.begin(), line.begin(), line.end());
|
||||
utf8::iterator<std::string::const_iterator> end(line.end(), line.begin(), line.end());
|
||||
while (i != end)
|
||||
{
|
||||
int c = *i++;
|
||||
g = glyphs[c];
|
||||
if (!g) g = addGlyph(c);
|
||||
temp += static_cast<int>(g->spacing * mSpacing);
|
||||
}
|
||||
}
|
||||
catch(utf8::exception &e)
|
||||
{
|
||||
throw love::Exception("%s", e.what());
|
||||
}
|
||||
|
||||
return temp;
|
||||
}
|
||||
|
||||
int Font::getWidth(const char *line)
|
||||
{
|
||||
return this->getWidth(std::string(line));
|
||||
}
|
||||
|
||||
int Font::getWidth(const char character)
|
||||
{
|
||||
Glyph *g = glyphs[character];
|
||||
if (!g) g = addGlyph(character);
|
||||
return g->spacing;
|
||||
}
|
||||
|
||||
std::vector<std::string> Font::getWrap(const std::string text, float wrap, int *max_width)
|
||||
{
|
||||
using namespace std;
|
||||
const float width_space = static_cast<float>(getWidth(' '));
|
||||
vector<string> lines_to_draw;
|
||||
int maxw = 0;
|
||||
|
||||
//split text at newlines
|
||||
istringstream iss(text);
|
||||
string line;
|
||||
ostringstream string_builder;
|
||||
while (getline(iss, line, '\n'))
|
||||
{
|
||||
// split line into words
|
||||
vector<string> words;
|
||||
istringstream word_iss(line);
|
||||
copy(istream_iterator<string>(word_iss), istream_iterator<string>(),
|
||||
back_inserter< vector<string> >(words));
|
||||
|
||||
// put words back together until a wrap occurs
|
||||
float width = 0.0f;
|
||||
float oldwidth = 0.0f;
|
||||
string_builder.str("");
|
||||
vector<string>::const_iterator word_iter, wend = words.end();
|
||||
for (word_iter = words.begin(); word_iter != wend; ++word_iter)
|
||||
{
|
||||
const string &word = *word_iter;
|
||||
width += getWidth(word);
|
||||
|
||||
// on wordwrap, push line to line buffer and clear string builder
|
||||
if (width >= wrap && oldwidth > 0)
|
||||
{
|
||||
int realw = (int) width;
|
||||
|
||||
// remove trailing space
|
||||
string tmp = string_builder.str();
|
||||
lines_to_draw.push_back(tmp.substr(0,tmp.size()-1));
|
||||
string_builder.str("");
|
||||
width = static_cast<float>(getWidth(word));
|
||||
realw -= (int) width;
|
||||
if (realw > maxw)
|
||||
maxw = realw;
|
||||
}
|
||||
string_builder << word << " ";
|
||||
width += width_space;
|
||||
oldwidth = width;
|
||||
}
|
||||
// push last line
|
||||
if (width > maxw)
|
||||
maxw = (int) width;
|
||||
string tmp = string_builder.str();
|
||||
lines_to_draw.push_back(tmp.substr(0,tmp.size()-1));
|
||||
}
|
||||
|
||||
if (max_width)
|
||||
*max_width = maxw;
|
||||
|
||||
return lines_to_draw;
|
||||
}
|
||||
|
||||
void Font::setLineHeight(float height)
|
||||
{
|
||||
this->lineHeight = height;
|
||||
}
|
||||
|
||||
float Font::getLineHeight() const
|
||||
{
|
||||
return lineHeight;
|
||||
}
|
||||
|
||||
void Font::setSpacing(float amount)
|
||||
{
|
||||
mSpacing = amount;
|
||||
}
|
||||
|
||||
float Font::getSpacing() const
|
||||
{
|
||||
return mSpacing;
|
||||
}
|
||||
|
||||
bool Font::loadVolatile()
|
||||
{
|
||||
createTexture();
|
||||
return true;
|
||||
}
|
||||
|
||||
void Font::unloadVolatile()
|
||||
{
|
||||
// nuke everything from orbit
|
||||
std::map<int, Glyph *>::iterator it = glyphs.begin();
|
||||
Glyph *g;
|
||||
while (it != glyphs.end())
|
||||
{
|
||||
g = it->second;
|
||||
glDeleteLists(g->list, 1);
|
||||
delete g;
|
||||
glyphs.erase(it++);
|
||||
}
|
||||
std::vector<GLuint>::iterator iter = textures.begin();
|
||||
while (iter != textures.end())
|
||||
{
|
||||
deleteTexture(*iter);
|
||||
iter++;
|
||||
}
|
||||
textures.clear();
|
||||
}
|
||||
|
||||
} // opengl
|
||||
} // graphics
|
||||
} // love
|
||||
|
||||
Reference in New Issue
Block a user