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https://gitea.nishi.boats/pyrite-dev/milsko
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git-svn-id: http://svn2.nishi.boats/svn/milsko/trunk@603 b9cfdab3-6d41-4d17-bbe4-086880011989
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NishiOwO
@@ -1,360 +0,0 @@
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/* $Id$ */
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#include <Mw/Milsko.h>
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#if defined(USE_FREETYPE2)
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#include <ft2build.h>
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#include FT_FREETYPE_H
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typedef struct ttf {
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FT_Library library;
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FT_Face face;
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void* data;
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} ttf_t;
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#define TTF
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#elif defined(USE_STB_TRUETYPE)
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#include "../external/stb_truetype.h"
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typedef struct ttf {
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stbtt_fontinfo font;
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void* data;
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float scale;
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int ascent;
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int descent;
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} ttf_t;
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#define TTF
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#endif
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#define FontWidth 7
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#define FontHeight 14
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static void bitmap_MwDrawText(MwWidget handle, MwPoint* point, const char* text, int bold, int align, MwLLColor color) {
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int i = 0, x, y, sx, sy;
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int tw, th;
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unsigned char* px;
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MwRect r;
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MwLLPixmap p;
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if(strlen(text) == 0) text = " ";
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tw = MwTextWidth(handle, text);
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th = MwTextHeight(handle, text);
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px = malloc(tw * th * 4);
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memset(px, 0, tw * th * 4);
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sx = 0;
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sy = 0;
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while(text[i] != 0) {
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int out;
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i += MwUTF8ToUTF32(text + i, &out);
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if(out >= 0x80) out = 0;
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if(out == '\n') {
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sx = 0;
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sy += FontHeight;
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} else {
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for(y = 0; y < FontHeight; y++) {
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for(x = 0; x < FontWidth; x++) {
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unsigned char* ppx = &px[((sy + y) * tw + sx + x) * 4];
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if((bold ? MwBoldFontData : MwFontData)[out].data[y] & (1 << ((FontWidth - 1) - x))) {
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ppx[0] = color->red;
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ppx[1] = color->green;
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ppx[2] = color->blue;
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ppx[3] = 255;
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} else {
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ppx[0] = 0;
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ppx[1] = 0;
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ppx[2] = 0;
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ppx[3] = 0;
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}
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}
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}
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sx += FontWidth;
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}
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}
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p = MwLoadRaw(handle, px, tw, th);
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r.x = point->x;
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r.y = point->y - th / 2;
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r.width = tw;
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r.height = th;
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if(align == MwALIGNMENT_CENTER) {
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r.x -= tw / 2;
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} else if(align == MwALIGNMENT_END) {
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r.x -= tw;
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}
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MwLLDrawPixmap(handle->lowlevel, &r, p);
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MwLLDestroyPixmap(p);
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free(px);
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}
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#if defined(USE_STB_TRUETYPE)
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static int ttf_MwDrawText(MwWidget handle, MwPoint* point, const char* text, int bold, int align, MwLLColor color) {
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ttf_t* ttf = MwGetVoid(handle, bold ? MwNboldFont : MwNfont);
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unsigned char* px;
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int tw, th;
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MwRect r;
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MwLLPixmap p;
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int ax, lsb;
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int x = 0;
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if(ttf == NULL) return 1;
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tw = MwTextWidth(handle, text);
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th = MwTextHeight(handle, text);
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px = malloc(tw * th * 4);
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memset(px, 0, tw * th * 4);
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while(text[0] != 0) {
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int c;
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int x0, y0, x1, y1, cx, cy;
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int ow, oh;
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unsigned char* out;
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text += MwUTF8ToUTF32(text, &c);
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stbtt_GetCodepointHMetrics(&ttf->font, c, &ax, &lsb);
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stbtt_GetCodepointBitmapBox(&ttf->font, c, ttf->scale, ttf->scale, &x0, &y0, &x1, &y1);
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ow = x1 - x0;
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oh = y1 - y0;
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out = malloc(ow * oh);
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stbtt_MakeCodepointBitmap(&ttf->font, out, ow, oh, ow, ttf->scale, ttf->scale, c);
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for(cy = 0; cy < oh; cy++) {
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for(cx = 0; cx < ow; cx++) {
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int ox = x + (lsb * ttf->scale) + cx;
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int oy = (ttf->ascent * ttf->scale) + y0 + cy;
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unsigned char* opx = &px[(oy * tw + ox) * 4];
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opx[0] = color->red;
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opx[1] = color->green;
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opx[2] = color->blue;
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opx[3] = out[cy * ow + cx];
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}
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}
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x += ax * ttf->scale;
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free(out);
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}
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p = MwLoadRaw(handle, px, tw, th);
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r.x = point->x;
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r.y = point->y - th / 2;
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r.width = tw;
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r.height = th;
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if(align == MwALIGNMENT_CENTER) {
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r.x -= tw / 2;
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} else if(align == MwALIGNMENT_END) {
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r.x -= tw;
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}
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MwLLDrawPixmap(handle->lowlevel, &r, p);
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MwLLDestroyPixmap(p);
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free(px);
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return 0;
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}
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static int ttf_MwTextWidth(MwWidget handle, const char* text) {
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ttf_t* ttf = MwGetVoid(handle, MwNfont);
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int ax, lsb;
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int tw = 0;
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if(ttf == NULL) return -1;
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while(text[0] != 0) {
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int c;
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text += MwUTF8ToUTF32(text, &c);
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stbtt_GetCodepointHMetrics(&ttf->font, c, &ax, &lsb);
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tw += ax * ttf->scale;
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}
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return tw;
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}
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static int ttf_MwTextHeight(MwWidget handle, int count) {
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ttf_t* ttf = MwGetVoid(handle, MwNfont);
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if(ttf == NULL) return -1;
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return (ttf->ascent - ttf->descent) * ttf->scale * count;
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}
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#elif defined(USE_FREETYPE2)
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static int ttf_MwDrawText(MwWidget handle, MwPoint* point, const char* text, int bold, int align, MwLLColor color) {
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ttf_t* ttf = MwGetVoid(handle, bold ? MwNboldFont : MwNfont);
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int tw, th;
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unsigned char* px;
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MwLLPixmap p;
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MwRect r;
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int x = 0;
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if(ttf == NULL) return 1;
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tw = MwTextWidth(handle, text);
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th = MwTextHeight(handle, text);
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px = malloc(tw * th * 4);
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memset(px, 0, tw * th * 4);
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while(text[0] != 0) {
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int c;
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FT_Bitmap* bmp;
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int cy, cx;
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text += MwUTF8ToUTF32(text, &c);
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FT_Load_Char(ttf->face, c, FT_LOAD_RENDER);
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bmp = &ttf->face->glyph->bitmap;
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for(cy = 0; cy < bmp->rows; cy++) {
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for(cx = 0; cx < bmp->width; cx++) {
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int ox = x + cx + ttf->face->glyph->bitmap_left;
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int oy = th - ttf->face->glyph->bitmap_top + cy + (ttf->face->descender * 14 / ttf->face->units_per_EM);
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unsigned char* opx = &px[(oy * tw + ox) * 4];
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opx[0] = color->red;
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opx[1] = color->green;
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opx[2] = color->blue;
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opx[3] = bmp->buffer[cy * bmp->pitch + cx];
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}
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}
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x += ttf->face->glyph->metrics.horiAdvance / 64;
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}
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p = MwLoadRaw(handle, px, tw, th);
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r.x = point->x;
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r.y = point->y - th / 2;
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r.width = tw;
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r.height = th;
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if(align == MwALIGNMENT_CENTER) {
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r.x -= tw / 2;
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} else if(align == MwALIGNMENT_END) {
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r.x -= tw;
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}
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MwLLDrawPixmap(handle->lowlevel, &r, p);
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MwLLDestroyPixmap(p);
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free(px);
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return 0;
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}
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static int ttf_MwTextWidth(MwWidget handle, const char* text) {
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ttf_t* ttf = MwGetVoid(handle, MwNfont);
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int tw = 0;
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if(ttf == NULL) return -1;
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while(text[0] != 0) {
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int c;
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text += MwUTF8ToUTF32(text, &c);
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FT_Load_Char(ttf->face, c, FT_LOAD_RENDER);
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tw += ttf->face->glyph->metrics.horiAdvance / 64;
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}
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return tw;
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}
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static int ttf_MwTextHeight(MwWidget handle, int count) {
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ttf_t* ttf = MwGetVoid(handle, MwNfont);
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if(ttf == NULL) return -1;
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return (ttf->face->height * 14 / ttf->face->units_per_EM) * count;
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}
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#endif
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void MwDrawText(MwWidget handle, MwPoint* point, const char* text, int bold, int align, MwLLColor color) {
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#ifdef TTF
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if(ttf_MwDrawText(handle, point, text, bold, align, color))
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#endif
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bitmap_MwDrawText(handle, point, text, bold, align, color);
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}
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int MwTextWidth(MwWidget handle, const char* text) {
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/* TODO: check newline */
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#ifdef TTF
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int st;
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if((st = ttf_MwTextWidth(handle, text)) != -1) return st;
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#else
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(void)handle;
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#endif
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return strlen(text) * FontWidth;
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}
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int MwTextHeight(MwWidget handle, const char* text) {
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int c = 1;
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int i = 0;
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#ifdef TTF
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int st;
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#endif
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(void)handle;
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(void)text;
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while(text[i] != 0) {
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int out;
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i += MwUTF8ToUTF32(text + i, &out);
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if(out == '\n') c++;
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}
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#ifdef TTF
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if((st = ttf_MwTextHeight(handle, c)) != -1) return st;
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#endif
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return FontHeight * c;
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}
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void* MwFontLoad(unsigned char* data, unsigned int size) {
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#if defined(USE_FREETYPE2)
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ttf_t* ttf = malloc(sizeof(*ttf));
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ttf->data = malloc(size);
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memcpy(ttf->data, data, size);
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FT_Init_FreeType(&ttf->library);
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FT_New_Memory_Face(ttf->library, ttf->data, size, 0, &ttf->face);
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FT_Set_Pixel_Sizes(ttf->face, 0, 14);
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return ttf;
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#elif defined(USE_STB_TRUETYPE)
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ttf_t* ttf = malloc(sizeof(*ttf));
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ttf->data = malloc(size);
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memcpy(ttf->data, data, size);
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stbtt_InitFont(&ttf->font, ttf->data, 0);
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ttf->scale = stbtt_ScaleForPixelHeight(&ttf->font, 16);
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stbtt_GetFontVMetrics(&ttf->font, &ttf->ascent, &ttf->descent, 0);
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return ttf;
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#else
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(void)data;
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(void)size;
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return NULL;
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#endif
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}
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void MwFontFree(void* handle) {
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#if defined(USE_FREETYPE2)
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ttf_t* ttf = handle;
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FT_Done_Face(ttf->face);
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FT_Done_FreeType(ttf->library);
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free(ttf->data);
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free(ttf);
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#elif defined(USE_STB_TRUETYPE)
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ttf_t* ttf = handle;
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free(ttf->data);
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free(ttf);
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#else
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(void)handle;
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#endif
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}
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