forked from enlightenment/efl
231 lines
8.5 KiB
C
231 lines
8.5 KiB
C
#include "evas_gl_private.h"
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void *
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evas_gl_font_texture_new(void *context, RGBA_Font_Glyph *fg)
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{
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Evas_Engine_GL_Context *gc = context;
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Evas_GL_Texture *tex;
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int w, h, j, nw, fh, x, y;
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DATA8 *ndata, *data, *p1, *p2;
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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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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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if (!fg->glyph_out->rle) return NULL;
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data = evas_common_font_glyph_uncompress(fg, &w, &h);
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if (!data) return NULL;
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j = w;
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if (j < w) j = w;
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// expand to 32bit (4 byte) aligned rows for texture upload
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nw = ((w + 3) / 4) * 4;
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ndata = alloca(nw *h);
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if (!ndata) return NULL;
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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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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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if (!tex) goto done;
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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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tex->fglyph = fg;
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gc->font_glyph_textures = eina_list_append(gc->font_glyph_textures, tex);
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done:
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free(data);
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return tex;
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}
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void
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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, EINA_TRUE);
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}
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void
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evas_gl_font_texture_draw(void *context, void *surface EINA_UNUSED, void *draw_context, RGBA_Font_Glyph *fg, int x, int y, int w, int h)
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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_Image *mask = gc->dc->clip.mask;
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Evas_GL_Texture *tex, *mtex = NULL;
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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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double mx = 0.0, my = 0.0, mw = 0.0, mh = 0.0;
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Eina_Bool mask_smooth = EINA_FALSE;
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Eina_Bool mask_color = EINA_FALSE;
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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 (mask)
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{
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evas_gl_common_image_update(gc, mask);
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mtex = mask->tex;
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if (mtex && mtex->pt && mtex->pt->w && mtex->pt->h)
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{
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// canvas coords
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mx = gc->dc->clip.mask_x;
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my = gc->dc->clip.mask_y;
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mw = mask->w;
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mh = mask->h;
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mask_smooth = mask->scaled.smooth;
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mask_color = gc->dc->clip.mask_color;
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}
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else mtex = NULL;
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}
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if ((!gc->dc->cutout.rects) ||
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((gc->shared->info.tune.cutout.max > 0) &&
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(gc->dc->cutout.active > gc->shared->info.tune.cutout.max)))
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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 = w; nh = 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 == w) && (nh == h))
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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, w, h,
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mtex, mx, my, mw, mh, mask_smooth, mask_color,
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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)(w));
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ssy = (double)sy + ((double)(sh * (ny - y)) / (double)(h));
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ssw = ((double)sw * (double)(nw)) / (double)(w);
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ssh = ((double)sh * (double)(nh)) / (double)(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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mtex, mx, my, mw, mh, mask_smooth, mask_color,
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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, w, h,
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mtex, mx, my, mw, mh, mask_smooth, mask_color,
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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->shared->w, gc->shared->h);
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evas_common_draw_context_clip_clip(gc->dc, x, y, w, 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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_evas_gl_common_cutout_rects = evas_common_draw_context_apply_cutouts(dc, _evas_gl_common_cutout_rects);
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for (i = 0; i < _evas_gl_common_cutout_rects->active; ++i)
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{
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int nx, ny, nw, nh;
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rct = _evas_gl_common_cutout_rects->rects + i;
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nx = x; ny = y; nw = w; nh = 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 == w) && (nh == h))
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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, w, h,
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mtex, mx, my, mw, mh, mask_smooth, mask_color,
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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)(w));
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ssy = (double)sy + ((double)(sh * (ny - y)) / (double)(h));
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ssw = ((double)sw * (double)(nw)) / (double)(w);
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ssh = ((double)sh * (double)(nh)) / (double)(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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mtex, mx, my, mw, mh, mask_smooth, mask_color,
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r, g, b, a);
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}
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evas_common_draw_context_cutouts_free(_evas_gl_common_cutout_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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}
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void *
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evas_gl_font_image_new(void *gc, RGBA_Font_Glyph *fg, int alpha, Evas_Colorspace cspace)
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{
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Evas_Engine_GL_Context *context = (Evas_Engine_GL_Context *)gc;
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Evas_GL_Image *im = evas_gl_common_image_new_from_data(context,
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(unsigned int)fg->glyph_out->bitmap.width,
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(unsigned int)fg->glyph_out->bitmap.rows,
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(DATA32 *)fg->glyph_out->bitmap.buffer,
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alpha,
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cspace);
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if (im)
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{
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im->fglyph = fg;
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context->font_glyph_images = eina_list_append(context->font_glyph_images, im);
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}
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return (void *)im;
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}
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void
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evas_gl_font_image_free(void *im)
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{
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evas_gl_common_image_free((Evas_GL_Image *)im);
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}
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void
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evas_gl_font_image_draw(void *gc, void *gl_image, int dx, int dy, int dw, int dh, int smooth)
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{
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Evas_GL_Image *im = (Evas_GL_Image *)gl_image;
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if (!im || !im->fglyph) return;
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evas_gl_common_image_draw((Evas_Engine_GL_Context *)gc,
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im, 0, 0,
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(unsigned int)im->fglyph->glyph_out->bitmap.width,
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(unsigned int)im->fglyph->glyph_out->bitmap.rows,
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dx, dy, dw, dh,
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smooth);
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}
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