static void c2d_gl_fill_alpha(void *cbk, u32 x, u32 y, u32 run_h_len, GF_Color color, u8 alpha)
{
#if defined(GPAC_USE_OGL_ES)
GLfloat line[4];
line[0] = FIX2FLT(x);
line[1] = FIX2FLT(y);
line[2] = FIX2FLT(x+run_h_len);
line[3] = line[1];
glEnable(GL_BLEND);
glColor4ub(GF_COL_R(color), GF_COL_G(color), GF_COL_B(color), (u8) alpha);
glVertexPointer(2, GL_FLOAT, 0, line);
glEnableClientState(GL_VERTEX_ARRAY);
glDrawArrays(GL_LINES, 0, 2);
glDisableClientState(GL_VERTEX_ARRAY);
glDisable(GL_BLEND);
#else
glEnable(GL_BLEND);
glColor4ub(GF_COL_R(color), GF_COL_G(color), GF_COL_B(color), (u8) alpha);
glBegin(GL_LINES);
glVertex2i(x,y);
glVertex2i(x+run_h_len,y);
glEnd();
glDisable(GL_BLEND);
#endif
}
void VS2D_TexturePathText(VisualSurface2D *surf, DrawableContext *txt_ctx, GF_Path *path, GF_Rect *object_bounds, GF_HWTEXTURE hwtx, GF_Rect *gf_sr_texture_bounds)
{
Fixed sS, sT;
GF_Matrix2D gf_mx2d_txt;
GF_Rect rc, orig_rc;
u8 alpha, r, g, b;
GF_ColorMatrix cmat;
GF_Raster2D *r2d = surf->render->compositor->r2d;
VS2D_SetOptions(surf->render, surf->the_surface, 0, 1);
/*get original bounds*/
orig_rc = *object_bounds;
rc = *gf_sr_texture_bounds;
/*get scaling ratio so that active texture view is stretched to original bounds (std 2D shape texture mapping in MPEG4)*/
sS = gf_divfix(orig_rc.width, rc.width);
sT = gf_divfix(orig_rc.height, rc.height);
gf_mx2d_init(gf_mx2d_txt);
gf_mx2d_add_scale(&gf_mx2d_txt, sS, sT);
/*move to bottom-left corner of bounds */
gf_mx2d_add_translation(&gf_mx2d_txt, (orig_rc.x), (orig_rc.y - orig_rc.height));
/*move to final coordinate system*/
gf_mx2d_add_matrix(&gf_mx2d_txt, &txt_ctx->transform);
/*set path transform, except for background2D node which is directly build in the final coord system*/
r2d->stencil_set_matrix(hwtx, &gf_mx2d_txt);
alpha = GF_COL_A(txt_ctx->aspect.fill_color);
r = GF_COL_R(txt_ctx->aspect.fill_color);
g = GF_COL_G(txt_ctx->aspect.fill_color);
b = GF_COL_B(txt_ctx->aspect.fill_color);
/*if col do a cxmatrix*/
if (!r && !g && !b) {
r2d->stencil_set_texture_alpha(hwtx, alpha);
} else {
r2d->stencil_set_texture_alpha(hwtx, 0xFF);
memset(cmat.m, 0, sizeof(Fixed) * 20);
cmat.m[4] = INT2FIX(r)/255;
cmat.m[9] = INT2FIX(g)/255;
cmat.m[14] = INT2FIX(b)/255;
cmat.m[18] = INT2FIX(alpha)/255;
cmat.identity = 0;
r2d->stencil_set_color_matrix(hwtx, &cmat);
}
r2d->surface_set_matrix(surf->the_surface, &txt_ctx->transform);
/*push path*/
r2d->surface_set_path(surf->the_surface, path);
VS2D_DoFill(surf, txt_ctx, hwtx);
r2d->surface_set_path(surf->the_surface, NULL);
txt_ctx->flags |= CTX_PATH_FILLED;
}
/**
* function DirectFBVid_DrawHLineAlpha
* - using hardware accelerator to draw a horizontal line with alpha
**/
static void DirectFBVid_DrawHLineAlpha(GF_VideoOutput *driv, u32 x, u32 y, u32 length, GF_Color color, u8 alpha)
{
u8 r = GF_COL_R(color);
u8 g = GF_COL_G(color);
u8 b = GF_COL_B(color);
DirectFBVID();
DirectFBVid_DrawHLineAlphaWrapper(ctx, x, y, length, r, g, b, alpha);
}
/**
* function DirectFBVid_DrawRectangle
* - using hardware accelerator to fill a rectangle
**/
static void DirectFBVid_DrawRectangle(GF_VideoOutput *driv, u32 x, u32 y, u32 width, u32 height, GF_Color color)
{
u8 r = GF_COL_R(color);
u8 g = GF_COL_G(color);
u8 b = GF_COL_B(color);
u8 a = GF_COL_A(color);
DirectFBVID();
DirectFBVid_DrawRectangleWrapper(ctx, x, y, width, height, r, g, b, a);
}
static void c2d_gl_fill_rect(void *cbk, u32 x, u32 y, u32 width, u32 height, GF_Color color)
{
#if defined(GPAC_USE_OGL_ES)
GLfloat line[8];
line[0] = FIX2FLT(x);
line[1] = FIX2FLT(y);
line[2] = FIX2FLT(x+width);
line[3] = FIX2FLT(y);
line[4] = FIX2FLT(x+width);
line[5] = FIX2FLT(y+height);
line[6] = FIX2FLT(x);
line[7] = FIX2FLT(y+height);
glEnable(GL_BLEND);
glColor4ub(GF_COL_R(color), GF_COL_G(color), GF_COL_B(color), GF_COL_A(color));
glVertexPointer(4, GL_FLOAT, 0, line);
glEnableClientState(GL_VERTEX_ARRAY);
glDrawArrays(GL_TRIANGLE_FAN, 0, 2);
glDisableClientState(GL_VERTEX_ARRAY);
glDisable(GL_BLEND);
#else
glEnable(GL_BLEND);
glColor4ub(GF_COL_R(color), GF_COL_G(color), GF_COL_B(color), GF_COL_A(color));
glBegin(GL_TRIANGLES);
glVertex2i(x,y);
glVertex2i(x+width,y);
glVertex2i(x+width,y+height);
glEnd();
glBegin(GL_TRIANGLES);
glVertex2i(x,y);
glVertex2i(x+width,y+height);
glVertex2i(x,y+height);
glEnd();
glDisable(GL_BLEND);
#endif
}
void visual_2d_texture_path_text(GF_VisualManager *visual, DrawableContext *txt_ctx, GF_Path *path, GF_Rect *object_bounds, GF_TextureHandler *txh, GF_TraverseState *tr_state)
{
GF_STENCIL stencil;
Fixed sS, sT;
GF_Matrix2D gf_mx2d_txt;
GF_Rect orig_rc;
u8 alpha, r, g, b;
GF_ColorMatrix cmat;
GF_Raster2D *raster;
if (! visual->CheckAttached(visual) ) return;
raster = visual->compositor->rasterizer;
stencil = gf_sc_texture_get_stencil(txh);
if (!stencil) return;
visual_2d_set_options(visual->compositor, visual->raster_surface, 0, 1);
/*get original bounds*/
orig_rc = *object_bounds;
/*get scaling ratio so that active texture view is stretched to original bounds (std 2D shape texture mapping in MPEG4)*/
sS = gf_divfix(orig_rc.width, INT2FIX(txh->width));
sT = gf_divfix(orig_rc.height, INT2FIX(txh->height));
gf_mx2d_init(gf_mx2d_txt);
gf_mx2d_add_scale(&gf_mx2d_txt, sS, sT);
/*move to bottom-left corner of bounds */
gf_mx2d_add_translation(&gf_mx2d_txt, (orig_rc.x), (orig_rc.y - orig_rc.height));
/*move to final coordinate system*/
gf_mx2d_add_matrix(&gf_mx2d_txt, &txt_ctx->transform);
/*set path transform, except for background2D node which is directly build in the final coord system*/
raster->stencil_set_matrix(stencil, &gf_mx2d_txt);
alpha = GF_COL_A(txt_ctx->aspect.fill_color);
r = GF_COL_R(txt_ctx->aspect.fill_color);
g = GF_COL_G(txt_ctx->aspect.fill_color);
b = GF_COL_B(txt_ctx->aspect.fill_color);
/*if col do a cxmatrix*/
if (!r && !g && !b) {
raster->stencil_set_alpha(stencil, alpha);
} else {
raster->stencil_set_alpha(stencil, 0xFF);
memset(cmat.m, 0, sizeof(Fixed) * 20);
cmat.m[4] = INT2FIX(r)/255;
cmat.m[9] = INT2FIX(g)/255;
cmat.m[14] = INT2FIX(b)/255;
cmat.m[18] = INT2FIX(alpha)/255;
cmat.identity = 0;
raster->stencil_set_color_matrix(stencil, &cmat);
}
raster->surface_set_matrix(visual->raster_surface, &txt_ctx->transform);
txh->flags |= GF_SR_TEXTURE_USED;
/*push path*/
raster->surface_set_path(visual->raster_surface, path);
visual_2d_fill_path(visual, txt_ctx, stencil, tr_state, 0);
raster->surface_set_path(visual->raster_surface, NULL);
txt_ctx->flags |= CTX_PATH_FILLED;
}
