2003-09-07 04:24:48 -07:00
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#include "evas_gl_private.h"
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2003-09-08 22:51:03 -07:00
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2009-12-21 07:52:12 -08:00
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void *
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evas_gl_font_texture_new(void *context, RGBA_Font_Glyph *fg)
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2003-09-10 01:52:18 -07:00
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{
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2011-03-16 10:32:49 -07:00
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Evas_Engine_GL_Context *gc = context;
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2009-10-09 05:10:27 -07:00
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Evas_GL_Texture *tex;
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DATA8 *data;
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int w, h, j, nw;
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DATA8 *ndata;
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int fh;
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2005-05-21 19:49:50 -07:00
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2009-10-09 05:10:27 -07:00
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if (fg->ext_dat) return fg->ext_dat; // FIXME: one engine at a time can do this :(
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2005-10-02 09:06:11 -07:00
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2008-01-21 21:31:25 -08:00
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w = fg->glyph_out->bitmap.width;
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h = fg->glyph_out->bitmap.rows;
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if ((w == 0) || (h == 0)) return NULL;
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2003-09-10 01:52:18 -07:00
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data = fg->glyph_out->bitmap.buffer;
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j = fg->glyph_out->bitmap.pitch;
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if (j < w) j = w;
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2005-05-21 19:49:50 -07:00
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2009-10-13 03:42:03 -07:00
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nw = ((w + 3) / 4) * 4;
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2009-10-09 05:10:27 -07:00
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ndata = alloca(nw *h);
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if (!ndata) return NULL;
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2005-09-05 01:01:15 -07:00
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if (fg->glyph_out->bitmap.num_grays == 256)
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2003-09-10 01:52:18 -07:00
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{
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int x, y;
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DATA8 *p1, *p2;
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2003-09-10 01:52:18 -07:00
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for (y = 0; y < h; y++)
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{
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p1 = data + (j * y);
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p2 = ndata + (nw * y);
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for (x = 0; x < w; x++)
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{
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*p2 = *p1;
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p1++;
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p2++;
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}
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}
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}
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2005-09-05 01:01:15 -07:00
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else if (fg->glyph_out->bitmap.num_grays == 0)
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{
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DATA8 *tmpbuf = NULL, *dp, *tp, bits;
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int bi, bj, end;
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const DATA8 bitrepl[2] = {0x0, 0xff};
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tmpbuf = alloca(w);
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if (tmpbuf)
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{
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int x, y;
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DATA8 *p1, *p2;
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for (y = 0; y < h; y++)
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{
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p1 = tmpbuf;
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p2 = ndata + (nw * y);
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tp = tmpbuf;
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dp = data + (y * fg->glyph_out->bitmap.pitch);
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for (bi = 0; bi < w; bi += 8)
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{
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bits = *dp;
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if ((w - bi) < 8) end = w - bi;
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else end = 8;
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for (bj = 0; bj < end; bj++)
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{
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*tp = bitrepl[(bits >> (7 - bj)) & 0x1];
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tp++;
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}
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dp++;
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}
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for (x = 0; x < w; x++)
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{
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*p2 = *p1;
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p1++;
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p2++;
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}
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}
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}
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}
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2009-10-09 05:10:27 -07:00
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// fh = h;
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fh = fg->fi->max_h;
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tex = evas_gl_common_texture_alpha_new(gc, ndata, w, h, fh);
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tex->sx1 = ((double)(tex->x)) / (double)tex->pt->w;
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tex->sy1 = ((double)(tex->y)) / (double)tex->pt->h;
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tex->sx2 = ((double)(tex->x + tex->w)) / (double)tex->pt->w;
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tex->sy2 = ((double)(tex->y + tex->h)) / (double)tex->pt->h;
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return tex;
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2003-09-10 01:52:18 -07:00
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}
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void
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2009-12-21 07:52:12 -08:00
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evas_gl_font_texture_free(void *tex)
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{
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if (!tex) return;
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evas_gl_common_texture_free(tex);
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}
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void
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evas_gl_font_texture_draw(void *context, void *surface __UNUSED__, void *draw_context, RGBA_Font_Glyph *fg, int x, int y)
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{
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Evas_Engine_GL_Context *gc = context;
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RGBA_Draw_Context *dc = draw_context;
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Evas_GL_Texture *tex;
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Cutout_Rects *rects;
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Cutout_Rect *rct;
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int r, g, b, a;
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double ssx, ssy, ssw, ssh;
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int c, cx, cy, cw, ch;
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int i;
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int sx, sy, sw, sh;
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if (dc != gc->dc) return;
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tex = fg->ext_dat;
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if (!tex) return;
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a = (dc->col.col >> 24) & 0xff;
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if (a == 0) return;
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r = (dc->col.col >> 16) & 0xff;
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g = (dc->col.col >> 8 ) & 0xff;
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b = (dc->col.col ) & 0xff;
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sx = 0; sy = 0; sw = tex->w, sh = tex->h;
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if ((!gc->dc->cutout.rects)
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// || (gc->dc->cutout.active > 32)
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)
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{
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if (gc->dc->clip.use)
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{
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int nx, ny, nw, nh;
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nx = x; ny = y; nw = tex->w; nh = tex->h;
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RECTS_CLIP_TO_RECT(nx, ny, nw, nh,
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gc->dc->clip.x, gc->dc->clip.y,
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gc->dc->clip.w, gc->dc->clip.h);
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if ((nw < 1) || (nh < 1)) return;
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if ((nx == x) && (ny == y) && (nw == tex->w) && (nh == tex->h))
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{
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evas_gl_common_context_font_push(gc, tex,
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2009-10-13 02:40:39 -07:00
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0.0, 0.0, 0.0, 0.0,
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// sx, sy, sw, sh,
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x, y, tex->w, tex->h,
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r, g, b, a);
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return;
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}
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ssx = (double)sx + ((double)(sw * (nx - x)) / (double)(tex->w));
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ssy = (double)sy + ((double)(sh * (ny - y)) / (double)(tex->h));
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ssw = ((double)sw * (double)(nw)) / (double)(tex->w);
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ssh = ((double)sh * (double)(nh)) / (double)(tex->h);
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evas_gl_common_context_font_push(gc, tex,
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ssx, ssy, ssw, ssh,
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nx, ny, nw, nh,
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r, g, b, a);
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}
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else
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{
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evas_gl_common_context_font_push(gc, tex,
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0.0, 0.0, 0.0, 0.0,
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// sx, sy, sw, sh,
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x, y, tex->w, tex->h,
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r, g, b, a);
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}
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return;
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}
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/* save out clip info */
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c = gc->dc->clip.use; cx = gc->dc->clip.x; cy = gc->dc->clip.y; cw = gc->dc->clip.w; ch = gc->dc->clip.h;
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evas_common_draw_context_clip_clip(gc->dc, 0, 0, gc->w, gc->h);
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evas_common_draw_context_clip_clip(gc->dc, x, y, tex->w, tex->h);
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/* our clip is 0 size.. abort */
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if ((gc->dc->clip.w <= 0) || (gc->dc->clip.h <= 0))
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{
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gc->dc->clip.use = c; gc->dc->clip.x = cx; gc->dc->clip.y = cy; gc->dc->clip.w = cw; gc->dc->clip.h = ch;
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return;
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}
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rects = evas_common_draw_context_apply_cutouts(dc);
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for (i = 0; i < rects->active; ++i)
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{
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int nx, ny, nw, nh;
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rct = rects->rects + i;
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nx = x; ny = y; nw = tex->w; nh = tex->h;
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RECTS_CLIP_TO_RECT(nx, ny, nw, nh, rct->x, rct->y, rct->w, rct->h);
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if ((nw < 1) || (nh < 1)) continue;
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if ((nx == x) && (ny == y) && (nw == tex->w) && (nh == tex->h))
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{
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evas_gl_common_context_font_push(gc, tex,
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2009-10-13 02:40:39 -07:00
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0.0, 0.0, 0.0, 0.0,
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// sx, sy, sw, sh,
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2009-10-09 05:10:27 -07:00
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x, y, tex->w, tex->h,
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r, g, b, a);
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continue;
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}
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ssx = (double)sx + ((double)(sw * (nx - x)) / (double)(tex->w));
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ssy = (double)sy + ((double)(sh * (ny - y)) / (double)(tex->h));
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ssw = ((double)sw * (double)(nw)) / (double)(tex->w);
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ssh = ((double)sh * (double)(nh)) / (double)(tex->h);
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evas_gl_common_context_font_push(gc, tex,
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ssx, ssy, ssw, ssh,
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nx, ny, nw, nh,
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r, g, b, a);
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}
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evas_common_draw_context_apply_clear_cutouts(rects);
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/* restore clip info */
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gc->dc->clip.use = c; gc->dc->clip.x = cx; gc->dc->clip.y = cy; gc->dc->clip.w = cw; gc->dc->clip.h = ch;
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2003-09-08 22:51:03 -07:00
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}
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