123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171 |
- /*!
- * \file src/FontTRLE.cpp
- * \brief SDL Font implementation
- *
- * \author xythobuz
- */
-
- #include <fstream>
-
- #include "global.h"
- #include "utils/strings.h"
- #include "FontTRLE.h"
-
- FontTRLE::FontTRLE() {
- mFontInit = false;
- mFontName = NULL;
- mFontTexture = 0;
-
- // TRLE defaults
- resolution1 = 240;
- resolution2 = 512;
- ruler1 = -16;
- ruler2 = -40;
- baselineAbs = 0; // always zero?
- spacing = 0.075f;
- squashedTextFactor = 0.75f;
- // offset table default is set in header
-
- tempText.text = new char[256];
- tempText.color[0] = 0xFF;
- tempText.color[1] = 0xFF;
- tempText.color[2] = 0xFF;
- tempText.color[3] = 0xFF;
- tempText.scale = 1.2f;
- tempText.w = 0;
- tempText.h = 0;
- }
-
- FontTRLE::~FontTRLE() {
- delete [] tempText.text;
- tempText.text = NULL;
- }
-
- int FontTRLE::initialize() {
- // TODO font coloring not working when .pc has color?!?!
-
-
- // tmp debug
- delete [] mFontName;
- mFontName = bufferString("/Users/thomas/Downloads/TR Fonts/TR4 Official/Font.pc");
- //mFontName = bufferString("/Users/thomas/Downloads/TR Fonts/TR2 Web/Font.pc");
-
-
- assert(mFontInit == false);
- assert(mFontName != NULL);
- assert(mFontName[0] != '\0');
- assert(stringEndsWith(mFontName, ".pc") == true);
-
- // Load .pc file...
- std::ifstream file(mFontName, std::ios::in | std::ios::binary);
- unsigned char *pixels = new unsigned char[256 * 256 * 4];
- if (!file.read((char *)pixels, 256 * 256 * 4)) {
- delete [] pixels;
- return -1;
- }
-
- // ...into GL texture
- glGenTextures(1, &mFontTexture);
- glBindTexture(GL_TEXTURE_2D, mFontTexture);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, 256, 256, 0, GL_BGRA_EXT, GL_UNSIGNED_BYTE, pixels);
- delete [] pixels;
-
- // Try to load .lps file, overwriting default glyph positions
- char *lpsFile = stringReplace(mFontName, ".pc", ".lps");
- loadLPS(lpsFile);
- delete [] lpsFile;
-
- mFontInit = true;
- return 0;
- }
-
- void FontTRLE::loadLPS(const char *file) {
- // TODO load lps file
-
- // if baselineAbs != 0
- // all offset[4] + baselineAbs;
- }
-
- #define SCALING 2.0f
-
- void FontTRLE::writeChar(unsigned int index, unsigned int xDraw, FontString &s) {
- int width = (int)(((vec_t)offsets[index][2]) * s.scale * SCALING);
- int height = (int)(((vec_t)offsets[index][3]) * s.scale * SCALING);
- int offset = (int)(((vec_t)offsets[index][4]) * s.scale * SCALING);
-
- // screen coordinates
- int xMin = xDraw;
- int yMin = s.y + offset + (int)(10.0f * s.scale * SCALING);
- int xMax = xMin + width;
- int yMax = yMin + height;
-
- // texture part
- vec_t txMin = ((vec_t)offsets[index][0]) / 256.0f;
- vec_t txMax = ((vec_t)(offsets[index][0] + offsets[index][2])) / 256.0f;
- vec_t tyMin = ((vec_t)offsets[index][1]) / 256.0f;
- vec_t tyMax = ((vec_t)(offsets[index][1] + offsets[index][3])) / 256.0f;
-
- // draw
- glBindTexture(GL_TEXTURE_2D, mFontTexture);
- glColor4f(s.color[0], s.color[1], s.color[2], s.color[3]);
- glBegin(GL_QUADS);
- glTexCoord2f(txMin, tyMin);
- glVertex2i(xMin, yMin);
- glTexCoord2f(txMin, tyMax);
- glVertex2i(xMin, yMax);
- glTexCoord2f(txMax, tyMax);
- glVertex2i(xMax, yMax);
- glTexCoord2f(txMax, tyMin);
- glVertex2i(xMax, yMin);
- glEnd();
- }
-
- void FontTRLE::writeString(FontString &s) {
- assert(mFontInit == true);
- assert(s.text != NULL);
-
- unsigned int x = s.x;
-
- for (unsigned int i = 0; s.text[i] != '\0'; i++) {
- // index into offset table
- int index = s.text[i] - '!';
-
- if (index == -1) // space
- x += (unsigned int)(14.0f * s.scale * SCALING);
-
- if ((index < 0) || (index > 105))
- continue; // skip unprintable chars
-
- writeChar((unsigned int)index, x, s);
- x += (int)((vec_t)(offsets[index][2] + 1) * s.scale * SCALING); // width
- }
-
- // TODO scaling?!
- s.w = x;
- /*
- s.w = (int)((float)surface->w * s.scale * SCALING);
- s.h = (int)((float)surface->h * s.scale * SCALING);
- */
- }
-
- void FontTRLE::drawText(unsigned int x, unsigned int y, float scale, const float color[4], const char *s, ...) {
- va_list args;
- va_start(args, s);
- vsnprintf(tempText.text, 256, s, args);
- tempText.text[255] = '\0';
- va_end(args);
-
- tempText.scale = scale;
- tempText.x = x;
- tempText.y = y;
- if (color) {
- tempText.color[0] = color[0];
- tempText.color[1] = color[1];
- tempText.color[2] = color[2];
- tempText.color[3] = color[3];
- }
- writeString(tempText);
- }
|