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Support blacken zones in all colour depths

This commit is contained in:
Robin Daermann 2015-08-20 15:58:13 +02:00
parent b5fc6a9091
commit 52be185fc9
1 changed files with 32 additions and 78 deletions
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110
src/zm_image.cpp
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@ -1735,13 +1735,14 @@ const Coord Image::centreCoord( const char *text ) const
return( Coord( x, y ) );
}
/* RGB32 compatible: complete */
void Image::Blacken( const unsigned char *p_bitmask, const Rgb pixel_colour )
{
//const uint8_t pixel_r_col = RED_VAL_RGBA(pixel_colour);
//const uint8_t pixel_g_col = GREEN_VAL_RGBA(pixel_colour);
//const uint8_t pixel_b_col = BLUE_VAL_RGBA(pixel_colour);
const uint8_t pixel_r_col = RED_VAL_RGBA(pixel_colour);
const uint8_t pixel_g_col = GREEN_VAL_RGBA(pixel_colour);
const uint8_t pixel_b_col = BLUE_VAL_RGBA(pixel_colour);
const uint8_t pixel_bw_col = pixel_colour & 0xff;
//const Rgb pixel_rgb_col = rgb_convert(pixel_colour,subpixelorder);
const Rgb pixel_rgb_col = rgb_convert(pixel_colour,subpixelorder);
unsigned char *ptr = &buffer[0];
unsigned int i = 0;
@ -1752,84 +1753,37 @@ void Image::Blacken( const unsigned char *p_bitmask, const Rgb pixel_colour )
{
for ( unsigned int x = 0; x < width; x++, ptr++ )
{
unsigned char *temp_ptr = ptr;
if ( *ptr & p_bitmask[i] )
*temp_ptr = pixel_bw_col;
*ptr = pixel_bw_col;
i++;
}
}
// else if ( colours == ZM_COLOUR_RGB24 )
// {
// unsigned int wc = width * colours;
//
// unsigned char *ptr = &buffer[((lo_line_y*width)+lo_line_x)*colours];
// for ( unsigned int y = lo_line_y, r = 0; y < hi_line_y && r < (CHAR_HEIGHT * size); y++, r++, ptr += wc )
// {
// unsigned char *temp_ptr = ptr;
// for ( unsigned int x = lo_line_x, c = 0; x < hi_line_x && c < line_len; c++ )
// {
// int f;
// if (size == 2)
// f = bigfontdata[(line[c] * CHAR_HEIGHT * size) + r];
// else
// f = fontdata[(line[c] * CHAR_HEIGHT) + r];
// for ( unsigned int i = 0; i < (CHAR_WIDTH * size) && x < hi_line_x; i++, x++, temp_ptr += colours )
// {
// if ( f & (zm_text_bitmask >> i) )
// {
// if ( !fg_trans )
// {
// RED_PTR_RGBA(temp_ptr) = fg_r_col;
// GREEN_PTR_RGBA(temp_ptr) = fg_g_col;
// BLUE_PTR_RGBA(temp_ptr) = fg_b_col;
// }
// }
// else if ( !bg_trans )
// {
// RED_PTR_RGBA(temp_ptr) = bg_r_col;
// GREEN_PTR_RGBA(temp_ptr) = bg_g_col;
// BLUE_PTR_RGBA(temp_ptr) = bg_b_col;
// }
// }
// }
// }
// }
// else if ( colours == ZM_COLOUR_RGB32 )
// {
// unsigned int wc = width * colours;
//
// uint8_t *ptr = &buffer[((lo_line_y*width)+lo_line_x)<<2];
// for ( unsigned int y = lo_line_y, r = 0; y < hi_line_y && r < (CHAR_HEIGHT * size); y++, r++, ptr += wc )
// {
// Rgb* temp_ptr = (Rgb*)ptr;
// for ( unsigned int x = lo_line_x, c = 0; x < hi_line_x && c < line_len; c++ )
// {
// int f;
// if (size == 2)
// f = bigfontdata[(line[c] * CHAR_HEIGHT * size) + r];
// else
// f = fontdata[(line[c] * CHAR_HEIGHT) + r];
// for ( unsigned int i = 0; i < (CHAR_WIDTH * size) && x < hi_line_x; i++, x++, temp_ptr++ )
// {
// if ( f & (zm_text_bitmask >> i) )
// {
// if ( !fg_trans )
// {
// *temp_ptr = fg_rgb_col;
// }
// }
// else if ( !bg_trans )
// {
// *temp_ptr = bg_rgb_col;
// }
// }
// }
// }
//
// } else {
// Panic("Blacken called with unexpected colours: %d",colours);
// return;
// }
else if ( colours == ZM_COLOUR_RGB24 )
{
for ( unsigned int x = 0; x < width; x++, ptr += colours )
{
if ( *ptr & p_bitmask[i] )
{
RED_PTR_RGBA(ptr) = pixel_r_col;
GREEN_PTR_RGBA(ptr) = pixel_g_col;
BLUE_PTR_RGBA(ptr) = pixel_b_col;
}
i++;
}
}
else if ( colours == ZM_COLOUR_RGB32 )
{
for ( unsigned int x = 0; x < width; x++, ptr += colours )
{
Rgb *temp_ptr = (Rgb*)ptr;
if ( *ptr & p_bitmask[i] )
*temp_ptr = pixel_rgb_col;
i++;
}
} else {
Panic("Blacken called with unexpected colours: %d", colours);
return;
}
}
}