127 lines
2.9 KiB
C++
127 lines
2.9 KiB
C++
#include "PaintEngine_libgd.h"
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#include <sstream>
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#include <gdfontmb.h>
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#include <gdfontl.h>
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#include <gdfontg.h>
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#include <gdfonts.h>
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#include <gdfontt.h>
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PaintEngine_libgd::PaintEngine_libgd()
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{
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// Libgd requires ISO8859-2 :-(
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// Internally, we use UTF-8. Assume minetest does the same... (if not, it's probably broken)
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gdStringConv = CharEncodingConverter::createStandardConverter("ISO8859-2", "UTF-8");
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}
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PaintEngine_libgd::~PaintEngine_libgd()
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{
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clean();
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}
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bool PaintEngine_libgd::create(int w, int h)
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{
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width = w;
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height = h;
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image = gdImageCreateTrueColor(w, h);
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return image != nullptr;
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}
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void PaintEngine_libgd::fill(const Color &color)
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{
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gdImageFilledRectangle(image, 0, 0, width - 1, height - 1, color.to_libgd());
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}
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void PaintEngine_libgd::drawText(int x, int y, Font font, const std::string &text, const Color &color)
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{
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const std::string str = gdStringConv->convert(text);
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gdImageString(image, getGdFont(font), x, y,
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reinterpret_cast<unsigned char *>(const_cast<char *>(str.c_str())), color.to_libgd());
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}
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void PaintEngine_libgd::drawChar(int x, int y, Font font, char ch, const Color &color)
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{
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gdImageChar(image, getGdFont(font), x, y, ch, color.to_libgd());
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}
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void PaintEngine_libgd::drawRect(int x1, int y1, int x2, int y2, const Color &color)
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{
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gdImageRectangle(image, x1, y1, x2, y2, color.to_libgd());
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}
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void PaintEngine_libgd::drawLine(int x1, int y1, int x2, int y2, const Color &color)
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{
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gdImageLine(image, x1, y1, x2, y2, color.to_libgd());
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}
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void PaintEngine_libgd::drawCircle(int x, int y, int r, const Color &color)
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{
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gdImageArc(image, x, y, r, r, 0, 360, color.to_libgd());
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}
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void PaintEngine_libgd::drawArc(int x, int y, int w, int h, int start, int end, const Color &color)
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{
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gdImageArc(image, x, y, w, h, start, end, color.to_libgd());
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}
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void PaintEngine_libgd::drawFilledRect(int x1, int y1, int x2, int y2, const Color &color)
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{
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gdImageFilledRectangle(image, x1, y1, x2, y2, color.to_libgd());
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}
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void PaintEngine_libgd::drawPixel(int x, int y, const Color &color)
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{
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image->tpixels[y][x] = color.to_libgd();
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}
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bool PaintEngine_libgd::save(const std::string & filename, const std::string & format, int quality)
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{
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FILE *out;
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out = fopen(filename.c_str(), "wb");
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if (!out) {
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std::ostringstream oss;
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oss << "Error opening '" << filename << "': " << std::strerror(errno);
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throw std::runtime_error(oss.str());
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}
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gdImagePng(image, out);
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fclose(out);
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gdImageDestroy(image);
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return true;
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}
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void PaintEngine_libgd::clean()
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{
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gdImageDestroy(image);
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}
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gdFontPtr PaintEngine_libgd::getGdFont(Font font)
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{
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gdFontPtr f;
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switch (font)
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{
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case PaintEngine::Font::Tiny:
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f = gdFontGetTiny();
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break;
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case PaintEngine::Font::Small:
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f = gdFontGetSmall();
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break;
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case PaintEngine::Font::MediumBold:
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f = gdFontGetMediumBold();
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break;
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case PaintEngine::Font::large:
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f = gdFontGetLarge();
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break;
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case PaintEngine::Font::Giant:
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f = gdFontGetGiant();
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break;
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default:
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f = gdFontGetSmall();
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break;
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}
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return f;
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}
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