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#include "evas_gl_private.h"
void *
evas_gl_font_texture_new(void *context, RGBA_Font_Glyph *fg)
{
Evas_Engine_GL_Context *gc = context;
Evas_GL_Texture *tex = NULL;
int w, h, nw, fh, y;
DATA8 *ndata, *data, *p1, *p2;
if (fg->ext_dat) return fg->ext_dat; // FIXME: one engine at a time can do this :(
w = fg->glyph_out->bitmap.width;
h = fg->glyph_out->bitmap.rows;
if ((w == 0) || (h == 0)) return NULL;
if (!fg->glyph_out->rle) return NULL;
data = evas_common_font_glyph_uncompress(fg, &w, &h);
if (!data) return NULL;
// expand to 32bit (4 byte) aligned rows for texture upload
nw = ((w + 3) / 4) * 4;
// if image already (4 byte) aligned rows then assign old image data to new data(ndata) to
if(nw == w){
ndata = data;
} else {
ndata = alloca(nw *h);
if (!ndata) goto done;
// else copy row by row
for (y = 0; y < h; y++)
{
p1 = data + (w * y);
p2 = ndata + (nw * y);
memcpy(p2,p1,w);
}
}
fh = fg->fi->max_h;
tex = evas_gl_common_texture_alpha_new(gc, ndata, w, h, fh);
if (!tex) goto done;
tex->sx1 = ((double)(tex->x)) / (double)tex->pt->w;
tex->sy1 = ((double)(tex->y)) / (double)tex->pt->h;
tex->sx2 = ((double)(tex->x + tex->w)) / (double)tex->pt->w;
tex->sy2 = ((double)(tex->y + tex->h)) / (double)tex->pt->h;
tex->fglyph = fg;
gc->font_glyph_textures = eina_list_append(gc->font_glyph_textures, tex);
done:
free(data);
return tex;
}
void
evas_gl_font_texture_free(void *tex)
{
if (!tex) return;
evas_gl_common_texture_free(tex, EINA_TRUE);
}
void
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)
{
Evas_Engine_GL_Context *gc = context;
RGBA_Draw_Context *dc = draw_context;
Evas_GL_Image *mask = gc->dc->clip.mask;
Evas_GL_Texture *tex, *mtex = NULL;
Cutout_Rect *rct;
int r, g, b, a;
double ssx, ssy, ssw, ssh;
int c, cx, cy, cw, ch;
int i;
int sx, sy, sw, sh;
double mx = 0.0, my = 0.0, mw = 0.0, mh = 0.0;
Eina_Bool mask_smooth = EINA_FALSE;
Eina_Bool mask_color = EINA_FALSE;
if (dc != gc->dc) return;
tex = fg->ext_dat;
if (!tex) return;
a = (dc->col.col >> 24) & 0xff;
if (a == 0) return;
r = (dc->col.col >> 16) & 0xff;
g = (dc->col.col >> 8 ) & 0xff;
b = (dc->col.col ) & 0xff;
sx = 0; sy = 0; sw = tex->w, sh = tex->h;
if (mask)
{
evas_gl_common_image_update(gc, mask);
mtex = mask->tex;
if (mtex && mtex->pt && mtex->pt->w && mtex->pt->h)
{
// canvas coords
mx = gc->dc->clip.mask_x;
my = gc->dc->clip.mask_y;
mw = mask->w;
mh = mask->h;
mask_smooth = mask->scaled.smooth;
mask_color = gc->dc->clip.mask_color;
}
else mtex = NULL;
}
if ((!gc->dc->cutout.rects) ||
((gc->shared->info.tune.cutout.max > 0) &&
(gc->dc->cutout.active > gc->shared->info.tune.cutout.max)))
{
if (gc->dc->clip.use)
{
int nx, ny, nw, nh;
nx = x; ny = y; nw = w; nh = h;
RECTS_CLIP_TO_RECT(nx, ny, nw, nh,
gc->dc->clip.x, gc->dc->clip.y,
gc->dc->clip.w, gc->dc->clip.h);
if ((nw < 1) || (nh < 1)) return;
if ((nx == x) && (ny == y) && (nw == w) && (nh == h))
{
evas_gl_common_context_font_push(gc, tex,
0.0, 0.0, 0.0, 0.0,
// sx, sy, sw, sh,
x, y, w, h,
mtex, mx, my, mw, mh, mask_smooth, mask_color,
r, g, b, a);
return;
}
ssx = (double)sx + ((double)(sw * (nx - x)) / (double)(w));
ssy = (double)sy + ((double)(sh * (ny - y)) / (double)(h));
ssw = ((double)sw * (double)(nw)) / (double)(w);
ssh = ((double)sh * (double)(nh)) / (double)(h);
evas_gl_common_context_font_push(gc, tex,
ssx, ssy, ssw, ssh,
nx, ny, nw, nh,
mtex, mx, my, mw, mh, mask_smooth, mask_color,
r, g, b, a);
}
else
{
evas_gl_common_context_font_push(gc, tex,
0.0, 0.0, 0.0, 0.0,
// sx, sy, sw, sh,
x, y, w, h,
mtex, mx, my, mw, mh, mask_smooth, mask_color,
r, g, b, a);
}
return;
}
/* save out clip info */
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;
evas_common_draw_context_clip_clip(gc->dc, 0, 0, gc->shared->w, gc->shared->h);
evas_common_draw_context_clip_clip(gc->dc, x, y, w, h);
/* our clip is 0 size.. abort */
if ((gc->dc->clip.w <= 0) || (gc->dc->clip.h <= 0))
{
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;
return;
}
_evas_gl_common_cutout_rects = evas_common_draw_context_apply_cutouts(dc, _evas_gl_common_cutout_rects);
for (i = 0; i < _evas_gl_common_cutout_rects->active; ++i)
{
int nx, ny, nw, nh;
rct = _evas_gl_common_cutout_rects->rects + i;
nx = x; ny = y; nw = w; nh = h;
RECTS_CLIP_TO_RECT(nx, ny, nw, nh, rct->x, rct->y, rct->w, rct->h);
if ((nw < 1) || (nh < 1)) continue;
if ((nx == x) && (ny == y) && (nw == w) && (nh == h))
{
evas_gl_common_context_font_push(gc, tex,
0.0, 0.0, 0.0, 0.0,
// sx, sy, sw, sh,
x, y, w, h,
mtex, mx, my, mw, mh, mask_smooth, mask_color,
r, g, b, a);
continue;
}
ssx = (double)sx + ((double)(sw * (nx - x)) / (double)(w));
ssy = (double)sy + ((double)(sh * (ny - y)) / (double)(h));
ssw = ((double)sw * (double)(nw)) / (double)(w);
ssh = ((double)sh * (double)(nh)) / (double)(h);
evas_gl_common_context_font_push(gc, tex,
ssx, ssy, ssw, ssh,
nx, ny, nw, nh,
mtex, mx, my, mw, mh, mask_smooth, mask_color,
r, g, b, a);
}
evas_common_draw_context_cutouts_free(_evas_gl_common_cutout_rects);
/* restore clip info */
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;
}
void *
evas_gl_font_image_new(void *gc, RGBA_Font_Glyph *fg, int alpha, Evas_Colorspace cspace)
{
Evas_Engine_GL_Context *context = (Evas_Engine_GL_Context *)gc;
Evas_GL_Image *im = evas_gl_common_image_new_from_data(context,
(unsigned int)fg->glyph_out->bitmap.width,
(unsigned int)fg->glyph_out->bitmap.rows,
(DATA32 *)fg->glyph_out->bitmap.buffer,
alpha,
cspace);
if (im)
{
im->fglyph = fg;
context->font_glyph_images = eina_list_append(context->font_glyph_images, im);
}
return (void *)im;
}
void
evas_gl_font_image_free(void *im)
{
evas_gl_common_image_free((Evas_GL_Image *)im);
}
void
evas_gl_font_image_draw(void *gc, void *gl_image, int dx, int dy, int dw, int dh, int smooth)
{
Evas_GL_Image *im = (Evas_GL_Image *)gl_image;
Evas_Engine_GL_Context *gl_context = gc;
Eina_Bool is_cached = EINA_FALSE;
Eina_Bool is_new_atlas = EINA_FALSE;
if (!im || !im->fglyph) return;
is_cached = (im->tex != NULL) && (im->tex->pt != NULL);
evas_gl_common_image_draw(gl_context,
im, 0, 0,
(unsigned int)im->fglyph->glyph_out->bitmap.width,
(unsigned int)im->fglyph->glyph_out->bitmap.rows,
dx, dy, dw, dh,
smooth);
// Move latest used glyph image to the back, because GC will start freeing from the beginning
gl_context->font_glyph_images = eina_list_remove(gl_context->font_glyph_images, im);
gl_context->font_glyph_images = eina_list_append(gl_context->font_glyph_images, im);
if (!is_cached)
{
gl_context->font_glyph_textures_size += im->w * im->h * 4;
}
is_new_atlas = (!is_cached) && (im->tex != NULL) && (im->tex->pt) && (im->tex->pt->references == 1);
if (is_new_atlas)
{
int size = (im->tex->pt->w * im->tex->pt->h * 4);
gl_context->font_glyph_atlas_size += size;
if ((evas_font_data_cache_get(EVAS_FONT_DATA_CACHE_TEXTURE) >= 0) &&
(evas_font_data_cache_get(EVAS_FONT_DATA_CACHE_TEXTURE) * 0.95 < gl_context->font_glyph_atlas_size))
gl_context->font_glyph_gc_requested = EINA_TRUE;
}
}
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