//------------- Begin of function VgaBuf::bar_alpha --------------//
//
// Draw a bar with alpha-blendinig
//
// Syntax : bar( x1, y1, x2, y2, color )
//
// <int> x1,y1 - the top left vertex of the bar
// <int> x2,y2 - the bottom right vertex of the bar
// <int> logAlpha - negative log alpha (right bit shift count, 0 to 5)
// <int> color index - the index of a 256 color palette
//
// logAlpha : 0=transparent ... 5=opaque colorCode
//
void VgaBuf::bar_alpha(int x1,int y1,int x2,int y2,int logAlpha, int colorCode)
{
err_when( !buf_locked );
if( logAlpha <= 0 )
{
err_when(logAlpha < 0);
// if logAlpha == 0, no change
}
else if( logAlpha < 5 )
{
if( is_front )
mouse.hide_area(x1,y1,x2,y2);
IMGbarAlpha(cur_buf_ptr, cur_pitch, x1, y1, x2, y2, logAlpha, translate_color(colorCode) );
if( is_front )
mouse.show_area();
}
else // logAlpha >= 5, equivalence to VgaBuf::bar
{
if( is_front )
mouse.hide_area(x1,y1,x2,y2);
IMGbar(cur_buf_ptr, cur_pitch, x1, y1, x2, y2, translate_color(colorCode) );
if( is_front )
mouse.show_area();
}
}
//------------- Begin of function VgaBuf::bar --------------//
//
// Draw a bar without bliting
//
// Syntax : bar( x1, y1, x2, y2, color )
//
// <int> x1,y1 - the top left vertex of the bar
// <int> x2,y2 - the bottom right vertex of the bar
// <int> color index - the index of a 256 color palette
//
void VgaBuf::bar(int x1,int y1,int x2,int y2,int colorCode)
{
err_when( !buf_locked );
if( is_front )
mouse.hide_area(x1,y1,x2,y2);
IMGbar(cur_buf_ptr, cur_pitch, x1, y1, x2, y2, translate_color(colorCode) );
if( is_front )
mouse.show_area();
}
void GetA::paint(int paintCursor)
{
err_when( cursor_pos < 0 || cursor_pos > strlen(input_field) );
err_when( mark_cursor_pos < 0 || mark_cursor_pos > strlen(input_field) );
int cursorX = font_ptr->text_width(input_field, cursor_pos);
int leftX = font_ptr->text_width(input_field, mark_begin());
int rightX = font_ptr->text_width(input_field, mark_end());
// create a temp buffer to store character
int rightLimit = x_limit - x;
int textWidth = font_ptr->text_width(input_field, -1, rightLimit ) + 1;
int textHeight = font_ptr->max_font_height;
char *bitmap = sys.common_data_buf;
err_when( 2*sizeof(short) + textWidth * textHeight > COMMON_DATA_BUF_SIZE );
*(short *)bitmap = textWidth;
bitmap += sizeof(short);
*(short *)bitmap = textHeight;
bitmap += sizeof(short);
memset( bitmap, TRANSPARENT_CODE, textWidth * textHeight );
if( back_ground_bitmap && !Vga::use_back_buf )
{
short backGroundWidth = *(short *)back_ground_bitmap;
short backGroundHeight = *(1+(short *)back_ground_bitmap);
// fill backGround
switch(align_flag)
{
case 0:
IMGbltArea(bitmap, textWidth, 0, 0, back_ground_bitmap,
0, 0, MIN(textWidth, backGroundWidth)-1, MIN(textHeight, backGroundHeight)-1 );
break;
case 1:
{
int l = (x_limit - x + 1 - textWidth ) / 2;
if( l >= 0 && l < backGroundWidth )
IMGbltArea(bitmap, textWidth, 0, 0, back_ground_bitmap,
l, 0, MIN(l+textWidth, backGroundWidth)-1, MIN(textHeight, backGroundHeight)-1 );
}
break;
case -1:
{
int l = x_limit - textWidth + 1 - x;
if( l < backGroundWidth )
IMGbltArea(bitmap, textWidth, 0, 0, back_ground_bitmap,
l, 0, MIN(x_limit-x+1, backGroundWidth)-1, MIN(textHeight, backGroundHeight)-1 );
}
break;
default:
err_here();
}
}
font_ptr->put_to_buffer(bitmap, textWidth, 0, 0, input_field);
if( paintCursor && enable_flag && cursorX < x_limit )
{
// horizontal bar for selected area
if( leftX < textWidth )
{
IMGbar( bitmap, textWidth,
leftX, font_ptr->height()-1, MIN(rightX, textWidth-1), font_ptr->height()-1, 0);
}
// vertical bar
if( cursorX < textWidth )
IMGbar( bitmap, textWidth, cursorX, 0, cursorX, font_ptr->height()-1, 0);
}
if( !Vga::use_back_buf)
{
mouse.hide_area(x,y, x_limit, y+font_ptr->max_font_height-1 );
switch( align_flag )
{
case 0: // left justified
if( !back_ground_bitmap )
{
if( x+textWidth <= x_limit ) // fill right
vga_util.blt_buf( x+textWidth, y, x_limit, y + font_ptr->max_font_height-1, 0);
IMGjoinTrans(vga_front.buf_ptr(), vga_front.buf_pitch(),
vga_back.buf_ptr(), vga_back.buf_pitch(),
x, y, sys.common_data_buf);
}
else
{
short backGroundWidth = *(short *)back_ground_bitmap;
short backGroundHeight = *(1+(short *)back_ground_bitmap);
if( textWidth < backGroundWidth && x+textWidth <= x_limit ) // fill right
vga_front.put_bitmap_area(x, y, back_ground_bitmap,
textWidth, 0, MIN(x_limit-x, backGroundWidth-1), backGroundHeight-1 );
vga_front.put_bitmap_trans(x, y, sys.common_data_buf);
}
break;
case 1: // center justified
if( !back_ground_bitmap )
{
int l = x + (x_limit - x + 1 - textWidth ) / 2;
if( x < l )
{
vga_util.blt_buf( x, y, l-1, y + font_ptr->max_font_height-1, 0);
}
if( l+textWidth <= x_limit )
{
vga_util.blt_buf( l+textWidth, y, x_limit, y + font_ptr->max_font_height-1, 0);
}
IMGjoinTrans(vga_front.buf_ptr(), vga_front.buf_pitch(),
vga_back.buf_ptr(), vga_back.buf_pitch(),
l, y, sys.common_data_buf);
}
else
{
int l = x + (x_limit - x + 1 - textWidth ) / 2;
short backGroundWidth = *(short *)back_ground_bitmap;
short backGroundHeight = *(1+(short *)back_ground_bitmap);
if( x < l && l-x <= backGroundWidth)
{
vga_front.put_bitmap_area(x, y, back_ground_bitmap,
0, 0, MIN(l-x, backGroundWidth)-1, backGroundHeight-1);
}
if( l+textWidth <= x_limit && l+textWidth-x < backGroundWidth)
{
vga_front.put_bitmap_area(x, y, back_ground_bitmap,
l+textWidth-x, 0, MIN(x_limit-x+1, backGroundWidth)-1, backGroundHeight-1);
}
vga_front.put_bitmap_trans(l, y, sys.common_data_buf);
}
break;
case -1: // right justified
if( !back_ground_bitmap )
{
int l = x_limit - textWidth + 1;
if( x < l ) // fill left
vga_util.blt_buf( x, y, l-1, y + font_ptr->max_font_height-1, 0);
IMGjoinTrans(vga_front.buf_ptr(), vga_front.buf_pitch(),
vga_back.buf_ptr(), vga_back.buf_pitch(),
l, y, sys.common_data_buf);
}
else
{
short backGroundWidth = *(short *)back_ground_bitmap;
short backGroundHeight = *(1+(short *)back_ground_bitmap);
int l = x_limit - textWidth + 1;
if( x < l )
vga_front.put_bitmap_area(0, 0, back_ground_bitmap,
0, 0, MIN(l-x, backGroundWidth)-1, backGroundHeight-1 );
vga_front.put_bitmap_trans(l, y, sys.common_data_buf);
}
break;
default:
err_here();
}
mouse.show_area();
}
else
{
switch( align_flag )
{
case 0: // left justified
IMGbltTrans( vga_back.buf_ptr(), vga_back.buf_pitch(),
x, y, sys.common_data_buf);
break;
case 1: // center justified
{
int l = x + (x_limit - x + 1 - textWidth ) / 2;
IMGbltTrans( vga_back.buf_ptr(), vga_back.buf_pitch(),
l, y, sys.common_data_buf);
}
// BUGHERE : fill left and right
break;
case -1: // right justified
IMGbltTrans( vga_back.buf_ptr(), vga_back.buf_pitch(),
x_limit - textWidth + 1, y, sys.common_data_buf);
break;
default:
err_here();
}
}
}
void Font::put_paragraph(int x1, int y1, int x2, int y2, const char *textPtr,
int lineSpace, int startLine, char dispFlag)
{
if( !init_flag || y1+font_height-1 > y2 )
return;
//--------- define vars ---------------//
int x,y,wordX;
int newWord;
short textChar;
const char *wordPtr;
char flag_under_line=0; // attribute control flags
char flag_hyper_field=0;
int under_line_x1; // parameters for drawing under line
HyperField* hyper_field_ptr = hyper_field_array;
FontInfo* fontInfo;
//--------- initialize vars ---------------//
x = x1;
y = y1;
wordX = x1; // the x of the start of the word
wordPtr = textPtr;
newWord = 0;
line_count=0;
hyper_field_count = 0;
//---------- prepare for display font ----------//
if( dispFlag )
{
err_when( x1>x2 || y1>y2 || x1<0 || y1<0 || x2>=VGA_WIDTH || y2>=VGA_HEIGHT );
if( !Vga::use_back_buf ) // if not say word by word, turn off mouse one time, otherwise turn off mouse one word at a time
mouse.hide_area( x1,y1,x2,y2 ); // if the mouse cursor is in that area, hide it
}
//--------- loop for displaying textPtr ----------//
while(1)
{
//------ space appear, process the previous word ------//
if ( newWord )
{
if( x-1 > x2 ) // it is still okay if x-1==x2 because x is the next pixel, not the last displayed pixel
{
if( line_count >= startLine-1 ) // startLine start from 1
{
y += font_height + lineSpace;
if ( y + font_height - 1 > y2 ) // no further space for printing textPtr, end
break;
}
x = x1;
line_count++;
}
else
{
x = wordX;
}
//--------- Process current word ----------//
for( ; wordPtr < textPtr && *wordPtr ; wordPtr++, x+=inter_char_space ) // wordPtr point to the current word which will be printed
{
textChar = *((unsigned char*)wordPtr); // textChar is <unsiged char>
//#ifdef GERMAN
// textChar = translate_german_char(textChar);
//#endif
//---------- control char: '_' -------------//
if( textChar == '_' ) // e.g. _Title_, a line will be drawn under the word "Title"
{
if( flag_under_line ) // current '_' is the closing one, the open '_' has appeared previously
{
if( dispFlag && line_count >= startLine-1 ) // startLine start from 1
IMGbar(Vga::active_buf->buf_ptr(), Vga::active_buf->buf_pitch(),
under_line_x1, y+font_height, x, y+font_height, HYPER_FIELD_COLOR );
}
else
under_line_x1 = x;
flag_under_line = !flag_under_line;
continue;
}
//-------- control char: '~' -----------//
else if( textChar == '~' ) // e.g. ~Captial~, the word "Capital" is a hyper-textPtred field, pressing on it will link to the topic "Capital"
{
if( !flag_hyper_field ) // current '~' is the opening one
{
hyper_field_ptr->x1 = x;
hyper_field_ptr->y1 = y;
hyper_field_ptr->text_ptr = (wordPtr+1); // skip current '~'
}
else // current '~' is the closing one
{
hyper_field_ptr->x2 = x;
hyper_field_ptr->y2 = y+font_height;
hyper_field_ptr->text_len = wordPtr - hyper_field_ptr->text_ptr;
hyper_field_count++;
hyper_field_ptr++;
err_when( hyper_field_count >= MAX_HYPER_FIELD );
}
flag_hyper_field = !flag_hyper_field;
continue;
}
//-------- control char: FIRST_NATION_COLOR_CODE_IN_TEXT -----------//
else if( textChar >= FIRST_NATION_COLOR_CODE_IN_TEXT && textChar <= LAST_NATION_COLOR_CODE_IN_TEXT ) // display nation color bar in text
{
if( x2 >= 0 && x+NATION_COLOR_BAR_WIDTH-1 > x2 ) // exceed right border x2
break;
char colorCode = game.color_remap_array[textChar-FIRST_NATION_COLOR_CODE_IN_TEXT].main_color;
nation_array.disp_nation_color(x, y+2, colorCode);
x += NATION_COLOR_BAR_WIDTH;
}
//--------------- space character ------------------//
else if( textChar == ' ' )
{
if( x+space_width > x2 )
break;
x += space_width;
}
//----------- display char ------------//
else if( textChar >= first_char && textChar <= last_char )
{
fontInfo = font_info_array+textChar-first_char;
// character width = offset of next character - current offset
if( x2 >= 0 && x+fontInfo->width-1 > x2 ) // exceed right border x2
break;
if( fontInfo->width > 0 )
{
if( dispFlag && line_count >= startLine-1 ) // startLine start from 1
{
// if( flag_hyper_field )
// mainColor = HYPER_FIELD_COLOR;
IMGbltTrans( Vga::active_buf->buf_ptr(), Vga::active_buf->buf_pitch(),
x, y+fontInfo->offset_y, font_bitmap_buf + fontInfo->bitmap_offset );
}
x += fontInfo->width;
}
}
}
//--------- next line ----------------------//
if( *textPtr == '\n' ) // next line
{
if( line_count >= startLine-1 ) // startLine start from 1
{
y += font_height + lineSpace;
if ( y + font_height - 1 > y2 ) // no further space for printing textPtr, end
break;
}
x = x1;
textPtr++;
line_count++;
}
if( *textPtr == '\0' ) // all paragraph has been printed
break;
wordPtr = textPtr;
wordX = x;
newWord = 0;
}
//------------ process spacing -------------//
if( *textPtr == ' ' || *textPtr == '\n' || *textPtr == '\0' ) // not space
newWord = 1;
else
{
textChar = *((unsigned char*)textPtr); // textChar is <unsiged char>
//#ifdef GERMAN
// textChar = translate_german_char(textChar);
//#endif
if( textChar >= first_char && textChar <= last_char )
{
fontInfo = font_info_array+textChar-first_char;
if( textChar >= FIRST_NATION_COLOR_CODE_IN_TEXT && textChar <= LAST_NATION_COLOR_CODE_IN_TEXT ) // display nation color bar in text
x += NATION_COLOR_BAR_WIDTH;
else if( textChar == ' ' )
x+=space_width;
else if( fontInfo->width > 0 ) // current font width
x+=fontInfo->width;
else
x+=space_width;
}
else
{
x+=space_width;
}
x+=inter_char_space;
}
if( *textPtr && *textPtr != '\n' ) // when finished, remain as NULL for next cycle to detect
textPtr++;
}
//------------ finish displaying ----------------//
if( dispFlag )
{
if( !Vga::use_back_buf )
mouse.show_area();
}
// while( *textPtr == '\n' || *textPtr == '\r' )
// textPtr++;
next_text_ptr = textPtr; // the current pointer in the textPtr
next_text_y = y + font_height + lineSpace;
line_count++;
}
