Michael Fabian 'Xaymar' Dirks
80 lines
1.8 KiB
C++
80 lines
1.8 KiB
C++
#include "gxfont.hpp"
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#include "gxcanvas.hpp"
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#include "gxgraphics.hpp"
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gxFont::gxFont(gxGraphics* g, gxCanvas* c, int w, int h, int b, int e, int d, int* os, int* ws)
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: graphics(g), canvas(c), width(w), height(h), begin_char(b), end_char(e), def_char(d), offs(os), widths(ws)
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{
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canvas->setMask(0xffffff);
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t_canvas = graphics->createCanvas(graphics->getWidth(), height, 0);
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}
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gxFont::~gxFont()
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{
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delete[] offs;
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delete[] widths;
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graphics->freeCanvas(t_canvas);
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graphics->freeCanvas(canvas);
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}
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int gxFont::charWidth(int c) const
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{
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if (c < begin_char || c >= end_char)
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c = def_char;
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return widths[c - begin_char];
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}
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void gxFont::render(gxCanvas* dest, unsigned color_argb, int x, int y, const std::string& t)
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{
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int width = getWidth(t);
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if (width > t_canvas->getWidth()) {
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graphics->freeCanvas(t_canvas);
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t_canvas = graphics->createCanvas(width, height, 0);
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}
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t_canvas->setColor(color_argb);
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if (!(t_canvas->getColor() & 0xffffff))
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t_canvas->setColor(0x10);
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t_canvas->rect(0, 0, width, height, true);
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int t_x = 0;
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for (int k = 0; k < t.size(); ++k) {
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int c = t[k] & 0xff;
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if (c < begin_char || c >= end_char)
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c = def_char;
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c -= begin_char;
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int sx = (offs[c] >> 16) & 0xffff, sy = offs[c] & 0xffff;
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t_canvas->blit(t_x, 0, canvas, sx, sy, widths[c], height, false);
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t_x += widths[c];
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}
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dest->blit(x, y, t_canvas, 0, 0, width, height, false);
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}
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int gxFont::getWidth() const
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{
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return width;
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}
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int gxFont::getHeight() const
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{
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return height;
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}
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int gxFont::getWidth(const std::string& t) const
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{
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int w = 0;
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for (int k = 0; k < t.size(); ++k) {
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int c = t[k] & 0xff;
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if (c < begin_char || c >= end_char)
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c = def_char;
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w += widths[c - begin_char];
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}
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return w;
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}
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bool gxFont::isPrintable(int chr) const
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{
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return chr >= begin_char && chr < end_char;
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}
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