int _PGFT_GetMetrics(FreeTypeInstance *ft, PgFontObject *fontobj,
PGFT_char character, const FontRenderMode *mode,
FT_UInt *gindex, long *minx, long *maxx,
long *miny, long *maxy,
double *advance_x, double *advance_y)
{
FontText *ftext = &(PGFT_INTERNALS(fontobj)->active_text);
FontGlyph *glyph = 0;
TextContext context;
FT_Face font;
/* load our sized font */
font = _PGFT_GetFontSized(ft, fontobj, mode->pt_size);
if (!font) {
return -1;
}
/* cleanup the cache */
_PGFT_Cache_Cleanup(&ftext->glyph_cache);
fill_context(&context, ft, fontobj, mode, font);
glyph = _PGFT_Cache_FindGlyph(character, mode,
&PGFT_INTERNALS(fontobj)->active_text.glyph_cache,
&context);
if (!glyph) {
return -1;
}
*gindex = glyph->glyph_index;
*minx = (long)glyph->image->left;
*maxx = (long)(glyph->image->left + glyph->image->bitmap.width);
*maxy = (long)glyph->image->top;
*miny = (long)(glyph->image->top - glyph->image->bitmap.rows);
*advance_x = (double)(glyph->h_metrics.advance_rotated.x / 64.0);
*advance_y = (double)(glyph->h_metrics.advance_rotated.y / 64.0);
return 0;
}
int do_scroll_proc(HWND hwnd,int lines,int dir,int update_pos)
{
int delta;
if(open_file(&gfh)){
delta=seek_line_relative(gfh,lines,dir);
if(dir>0)
current_line+=delta;
else if(dir<0)
current_line-=delta;
fill_context(hwnd,IDC_CONTEXT,gfh);
if(update_pos)
set_scroll_pos(hwnd,IDC_CONTEXT_SCROLLBAR,gfh);
return close_file(&gfh);
}
else{
WCHAR str[MAX_PATH*2]={0};
_snwprintf(str,sizeof(str)/sizeof(WCHAR),L"Cant open %s",fname);
str[sizeof(str)/sizeof(WCHAR)-1]=0;
MessageBoxW(hwnd,str,L"error",MB_OK);
return FALSE;
}
}
/*
* Due to lack of time this is just fwparam_ppc_boot_info which
* adds the target used for boot to the list. It does not add
* all possible targets (IBM please add).
*/
int fwparam_ppc_get_targets(struct list_head *list)
{
char filename[FILENAMESZ];
struct boot_context *context;
int error;
char *devtree;
/*
* For powerpc, our operations are fundamentally to locate
* either the one boot target (the singleton disk), or to find
* the nics that support iscsi boot. The only nics in IBM
* systems that can support iscsi are the ones that provide
* the appropriate FCODE with a load method.
*/
memset(filename, 0, FILENAMESZ);
snprintf(filename, FILENAMESZ, "%s%s", DT_TOP, BOOTPATH);
if (debug)
fprintf(stderr, "%s: file:%s; debug:%d\n", __func__, filename,
debug);
devtree = find_devtree(filename);
if (!devtree)
return EINVAL;
/*
* Always search the device-tree to find the capable nic devices.
*/
error = loop_devs(devtree);
if (error)
goto free_devtree;
if (find_file(filename) < 1)
error = ENODEV;
else {
if (debug)
printf("%s:\n%s\n\n", filename, bootpath_val);
/*
* We find *almost* everything we need in the
* bootpath, save the mac-address.
*/
if (!strstr(bootpath_val, "iscsi")) {
error = EINVAL;
goto free_devtree;
}
ofwdevs[0] = calloc(1, sizeof(struct ofw_dev));
if (!ofwdevs[0]) {
error = ENOMEM;
goto free_devtree;
}
error = parse_params(bootpath_val, ofwdevs[0]);
if (!error)
error = locate_mac(devtree, ofwdevs[0]);
if (!error) {
context = calloc(1, sizeof(*context));
if (!context)
error = ENOMEM;
else {
fill_context(context, ofwdevs[0]);
list_add_tail(&context->list, list);
}
}
free(ofwdevs[0]);
}
free_devtree:
free(devtree);
return error;
}
FontText *
_PGFT_LoadFontText(FreeTypeInstance *ft, PgFontObject *fontobj,
const FontRenderMode *mode, PGFT_String *text)
{
Py_ssize_t string_length = PGFT_String_GET_LENGTH(text);
PGFT_char * buffer = PGFT_String_GET_DATA(text);
PGFT_char * buffer_end;
PGFT_char * ch;
FontText *ftext = &(PGFT_INTERNALS(fontobj)->active_text);
FontGlyph *glyph = 0;
FontGlyph **glyph_array = 0;
FontMetrics *metrics;
FT_BitmapGlyph image;
TextContext context;
FT_Face font;
FT_Size_Metrics *sz_metrics;
FT_Vector pen = {0, 0}; /* untransformed origin */
FT_Vector pen1 = {0, 0};
FT_Vector pen2;
FT_Vector *next_pos;
int vertical = mode->render_flags & FT_RFLAG_VERTICAL;
int use_kerning = mode->render_flags & FT_RFLAG_KERNING;
int pad = mode->render_flags & FT_RFLAG_PAD;
FT_UInt prev_glyph_index = 0;
/* All these are 16.16 precision */
FT_Angle rotation_angle = mode->rotation_angle;
/* All these are 26.6 precision */
FT_Vector kerning;
FT_Pos min_x = FX6_MAX;
FT_Pos max_x = FX6_MIN;
FT_Pos min_y = FX6_MAX;
FT_Pos max_y = FX6_MIN;
FT_Pos glyph_width;
FT_Pos glyph_height;
FT_Pos top = FX6_MIN;
FT_Fixed y_scale;
FT_Error error = 0;
/* load our sized font */
font = _PGFT_GetFontSized(ft, fontobj, mode->pt_size);
if (!font) {
PyErr_SetString(PyExc_SDLError, _PGFT_GetError(ft));
return 0;
}
sz_metrics = &font->size->metrics;
y_scale = sz_metrics->y_scale;
/* cleanup the cache */
_PGFT_Cache_Cleanup(&ftext->glyph_cache);
/* create the text struct */
if (string_length > ftext->buffer_size) {
_PGFT_free(ftext->glyphs);
ftext->glyphs = (FontGlyph **)
_PGFT_malloc((size_t)string_length * sizeof(FontGlyph *));
if (!ftext->glyphs) {
PyErr_NoMemory();
return 0;
}
_PGFT_free(ftext->posns);
ftext->posns = (FT_Vector *)
_PGFT_malloc((size_t)string_length * sizeof(FT_Vector));
if (!ftext->posns) {
PyErr_NoMemory();
return 0;
}
ftext->buffer_size = string_length;
}
ftext->length = string_length;
ftext->ascender = sz_metrics->ascender;
ftext->underline_pos = -FT_MulFix(font->underline_position, y_scale);
ftext->underline_size = FT_MulFix(font->underline_thickness, y_scale);
if (mode->style & FT_STYLE_STRONG) {
FT_Fixed bold_str = mode->strength * sz_metrics->x_ppem;
ftext->underline_size = FT_MulFix(ftext->underline_size,
FX16_ONE + bold_str / 4);
}
/* fill it with the glyphs */
fill_context(&context, ft, fontobj, mode, font);
glyph_array = ftext->glyphs;
next_pos = ftext->posns;
for (ch = buffer, buffer_end = ch + string_length; ch < buffer_end; ++ch) {
pen2.x = pen1.x;
pen2.y = pen1.y;
pen1.x = pen.x;
pen1.y = pen.y;
/*
* Load the corresponding glyph from the cache
*/
glyph = _PGFT_Cache_FindGlyph(*((FT_UInt32 *)ch), mode,
&ftext->glyph_cache, &context);
if (!glyph) {
--ftext->length;
continue;
}
image = glyph->image;
glyph_width = glyph->width;
glyph_height = glyph->height;
/*
* Do size calculations for all the glyphs in the text
*/
if (use_kerning && prev_glyph_index) {
error = FT_Get_Kerning(font, prev_glyph_index,
glyph->glyph_index,
FT_KERNING_UNFITTED, &kerning);
if (error) {
_PGFT_SetError(ft, "Loading glyphs", error);
PyErr_SetString(PyExc_SDLError, _PGFT_GetError(ft));
return 0;
}
if (rotation_angle != 0) {
FT_Vector_Rotate(&kerning, rotation_angle);
}
pen.x += FX6_ROUND(kerning.x);
pen.y += FX6_ROUND(kerning.y);
if (FT_Vector_Length(&pen2) > FT_Vector_Length(&pen)) {
pen.x = pen2.x;
pen.y = pen2.y;
}
}
prev_glyph_index = glyph->glyph_index;
metrics = vertical ? &glyph->v_metrics : &glyph->h_metrics;
if (metrics->bearing_rotated.y > top) {
top = metrics->bearing_rotated.y;
}
if (pen.x + metrics->bearing_rotated.x < min_x) {
min_x = pen.x + metrics->bearing_rotated.x;
}
if (pen.x + metrics->bearing_rotated.x + glyph_width > max_x) {
max_x = pen.x + metrics->bearing_rotated.x + glyph_width;
}
next_pos->x = pen.x + metrics->bearing_rotated.x;
pen.x += metrics->advance_rotated.x;
if (vertical) {
if (pen.y + metrics->bearing_rotated.y < min_y) {
min_y = pen.y + metrics->bearing_rotated.y;
}
if (pen.y + metrics->bearing_rotated.y + glyph_height > max_y) {
max_y = pen.y + metrics->bearing_rotated.y + glyph_height;
}
next_pos->y = pen.y + metrics->bearing_rotated.y;
pen.y += metrics->advance_rotated.y;
}
else {
if (pen.y - metrics->bearing_rotated.y < min_y) {
min_y = pen.y - metrics->bearing_rotated.y;
}
if (pen.y - metrics->bearing_rotated.y + glyph_height > max_y) {
max_y = pen.y - metrics->bearing_rotated.y + glyph_height;
}
next_pos->y = pen.y - metrics->bearing_rotated.y;
pen.y -= metrics->advance_rotated.y;
}
*glyph_array++ = glyph;
++next_pos;
}
if (ftext->length == 0) {
min_x = 0;
max_x = 0;
if (vertical) {
ftext->min_y = 0;
max_y = sz_metrics->height;
}
else {
FT_Size_Metrics *sz_metrics = &font->size->metrics;
min_y = -sz_metrics->ascender;
max_y = -sz_metrics->descender;
}
}
if (pad) {
FT_Size_Metrics *sz_metrics = &font->size->metrics;
if (pen.x > max_x) {
max_x = pen.x;
}
else if (pen.x < min_x) {
min_x = pen.x;
}
if (pen.y > max_y) {
max_y = pen.y;
}
else if (pen.y < min_y) {
min_y = pen.y;
}
if (vertical) {
FT_Fixed right = sz_metrics->max_advance / 2;
if (max_x < right) {
max_x = right;
}
if (min_x > -right) {
min_x = -right;
}
if (min_y > 0) {
min_y = 0;
}
else if (max_y < pen.y) {
max_y = pen.y;
}
}
else {
FT_Fixed ascender = sz_metrics->ascender;
FT_Fixed descender = sz_metrics->descender;
if (min_x > 0) {
min_x = 0;
}
if (max_x < pen.x) {
max_x = pen.x;
}
if (min_y > -ascender) {
min_y = -ascender;
}
if (max_y <= -descender) {
max_y = -descender + /* baseline */ FX6_ONE;
}
}
}
ftext->left = FX6_TRUNC(FX6_FLOOR(min_x));
ftext->top = FX6_TRUNC(FX6_CEIL(top));
ftext->min_x = min_x;
ftext->max_x = max_x;
ftext->min_y = min_y;
ftext->max_y = max_y;
ftext->advance.x = pen.x;
ftext->advance.y = pen.y;
return ftext;
}
LRESULT CALLBACK view_context_proc(HWND hwnd,UINT msg,WPARAM wparam,LPARAM lparam)
{
static HWND grippy=0;
int lines,dir,do_scroll=FALSE,update_scroll_pos=TRUE;
static int divider_drag=FALSE,org_row_width=90,row_width=90,last_pos=0;
#ifdef _DEBUG
if(FALSE)
// if(message!=0x200&&message!=0x84&&message!=0x20&&message!=WM_ENTERIDLE)
// if(msg!=WM_MOUSEFIRST&&msg!=WM_NCHITTEST&&msg!=WM_SETCURSOR&&msg!=WM_ENTERIDLE&&msg!=WM_DRAWITEM
// &&msg!=WM_CTLCOLORBTN&&msg!=WM_CTLCOLOREDIT&&msg!=WM_CTLCOLORSCROLLBAR)
if(msg!=WM_NCHITTEST&&msg!=WM_SETCURSOR&&msg!=WM_ENTERIDLE)
{
static DWORD tick=0;
if((GetTickCount()-tick)>500)
printf("--\n");
printf("v");
print_msg(msg,lparam,wparam);
tick=GetTickCount();
}
#endif
switch(msg)
{
case WM_INITDIALOG:
grippy=create_grippy(hwnd);
init_context_win_anchor(hwnd);
get_ini_value("CONTEXT_WINDOW","row_width",&row_width);
set_context_divider(hwnd,row_width);
restore_context_rel_pos(hwnd);
SendDlgItemMessage(hwnd,IDC_CONTEXT_SCROLLBAR,SBM_SETRANGE,0,10000);
{
int tabstop=21; //4 fixed chars
SendDlgItemMessage(hwnd,IDC_CONTEXT,EM_SETTABSTOPS,1,&tabstop);
}
set_context_font(hwnd);
open_file(&gfh);
if(gfh==0){
WCHAR str[MAX_PATH*2];
_snwprintf(str,sizeof(str)/sizeof(WCHAR),L"cant open %s",fname);
str[sizeof(str)/sizeof(WCHAR)-1]=0;
MessageBoxW(hwnd,str,L"error",MB_OK);
EndDialog(hwnd,0);
return 0;
}
get_file_size(gfh,&fsize);
_fseeki64(gfh,start_offset,SEEK_SET);
set_scroll_pos(hwnd,IDC_CONTEXT_SCROLLBAR,gfh);
SetFocus(GetDlgItem(hwnd,IDC_CONTEXT_SCROLLBAR));
line_count=get_number_of_lines(hwnd,IDC_CONTEXT);
fill_context(hwnd,IDC_CONTEXT,gfh);
close_file(&gfh);
last_pos=-1;
orig_edit=SetWindowLong(GetDlgItem(hwnd,IDC_CONTEXT),GWL_WNDPROC,subclass_edit);
orig_scroll=SetWindowLong(GetDlgItem(hwnd,IDC_CONTEXT_SCROLLBAR),GWL_WNDPROC,subclass_scroll);
SetWindowTextW(hwnd,fname);
return 0;
case WM_DESTROY:
save_context_rel_pos(hwnd);
break;
case WM_HELP:
context_help(hwnd);
return TRUE;
break;
case WM_SIZE:
grippy_move(hwnd,grippy);
set_context_divider(hwnd,row_width);
line_count=get_number_of_lines(hwnd,IDC_CONTEXT);
open_file(&gfh);
fill_context(hwnd,IDC_CONTEXT,gfh);
set_scroll_pos(hwnd,IDC_CONTEXT_SCROLLBAR,gfh);
close_file(&gfh);
break;
case WM_RBUTTONDOWN:
case WM_LBUTTONUP:
ReleaseCapture();
if(divider_drag){
write_ini_value("CONTEXT_WINDOW","row_width",row_width);
divider_drag=FALSE;
}
break;
case WM_LBUTTONDOWN:
SetCapture(hwnd);
SetCursor(LoadCursor(NULL,IDC_SIZEWE));
divider_drag=TRUE;
org_row_width=row_width;
break;
case WM_MOUSEFIRST:
{
int x=LOWORD(lparam);
SetCursor(LoadCursor(NULL,IDC_SIZEWE));
if(divider_drag){
RECT rect;
GetClientRect(hwnd,&rect);
if((rect.right-x)>25 && x>5){
row_width=x;
set_context_divider(hwnd,row_width);
}
}
}
break;
case WM_MOUSEWHEEL:
{
short wheel=HIWORD(wparam);
int flags=LOWORD(wparam);
if(wheel>0){
dir=-1;
if(flags&MK_RBUTTON)
lines=line_count-2;
else
lines=3+1;
}
else{
dir=1;
if(flags&MK_RBUTTON)
lines=line_count-2-1;
else
lines=3;
}
do_scroll=TRUE;
}
break;
case WM_VSCROLL:
{
int pos=HIWORD(wparam);
switch(LOWORD(wparam)){
case SB_TOP:
if(GetKeyState(VK_CONTROL)&0x8000){
last_offset=0;
current_line=1;
}
else{
last_offset=start_offset; //_fseeki64(f,start_offset,SEEK_SET);
current_line=start_line;
}
lines=dir=0;
do_scroll=TRUE;
break;
case SB_PAGEUP:
dir=-1;
lines=line_count-2;
if(lines<=0)
lines=1;
do_scroll=TRUE;
break;
case SB_PAGEDOWN:
dir=1;
lines=line_count-2-1;
if(lines<=0)
lines=1;
do_scroll=TRUE;
break;
case SB_LINEUP:
dir=-1;
lines=2;
do_scroll=TRUE;
break;
case SB_LINEDOWN:
dir=1;
lines=1;
do_scroll=TRUE;
break;
case SB_THUMBTRACK:
//printf("pos=%i last_pos=%i scroll_pos=%i line_count=%i\n",HIWORD(wparam),last_pos,scroll_pos,line_count);
if(pos<last_pos){
dir=-1;
lines=line_count/4;
if(lines<=1)
lines=2;
do_scroll=TRUE;
}
else if(pos>last_pos){
dir=1;
lines=line_count/4;
if(lines==0)
lines=1;
do_scroll=TRUE;
}
if(last_pos==-1)
do_scroll=FALSE;
last_pos=pos;
update_scroll_pos=FALSE;
break;
case SB_THUMBPOSITION: //dragged and released
dir=lines=0;
do_scroll=TRUE;
break;
case SB_ENDSCROLL:
last_pos=-1;
break;
}
}
break;
case WM_COMMAND:
switch(LOWORD(wparam)){
case IDCANCEL:
if(divider_drag){
divider_drag=FALSE;
ReleaseCapture();
set_context_divider(hwnd,org_row_width);
row_width=org_row_width;
return 0;
}
if(gfh!=0)
fclose(gfh);
gfh=0;
if(orig_edit!=0)SetWindowLong(GetDlgItem(hwnd,IDC_CONTEXT),GWL_WNDPROC,orig_edit);
EndDialog(hwnd,0);
return 0;
}
break;
}
if(do_scroll)
do_scroll_proc(hwnd,lines,dir,update_scroll_pos);
return 0;
}
