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Import the WIP CPC-Mode5 code from the sourcearchive

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git-svn-id: svn://pulkomandy.tk/GrafX2/branches/cpcmode5@1718 416bcca6-2ee7-4201-b75f-2eb2f807beb1
This commit is contained in:
Adrien Destugues
2011-02-13 21:20:45 +00:00
parent b42bd0afad
commit 4e60f5ad74
18 changed files with 1031 additions and 154 deletions
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68
src/graph.c
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@@ -2853,6 +2853,15 @@ byte Effect_smooth(word x,word y,__attribute__((unused)) byte color)
// l'écran feedback car il s'agit de ne
} // pas modifier l'écran courant.
byte Effect_layer_copy(word x,word y,byte color)
{
if (color<Main_backups->Pages->Nb_layers)
{
return *((y)*Main_image_width+(x)+Main_backups->Pages->Image[color]);
}
return Read_pixel_from_feedback_screen(x,y);
}
void Horizontal_grid_line(word x_pos,word y_pos,word width)
{
int x;
@@ -2896,6 +2905,10 @@ byte Read_pixel_from_current_screen (word x,word y)
#ifndef NOLAYERS
byte depth;
byte color;
if (Main_current_layer==4)
return *(Main_backups->Pages->Image[Main_current_layer] + x+y*Main_image_width);
color = *(Main_screen+y*Main_image_width+x);
if (color != Main_backups->Pages->Transparent_color) // transparent color
return color;
@@ -2909,9 +2922,48 @@ byte Read_pixel_from_current_screen (word x,word y)
void Pixel_in_current_screen (word x,word y,byte color,int with_preview)
{
#ifndef NOLAYERS
byte depth = *(Main_visible_image_depth_buffer.Image+x+y*Main_image_width);
#ifndef NOLAYERS
if ( Main_current_layer == 4)
{
if (color<4)
{
// Paste in layer
*(Main_backups->Pages->Image[Main_current_layer] + x+y*Main_image_width)=color;
// Paste in depth buffer
*(Main_visible_image_depth_buffer.Image+x+y*Main_image_width)=color;
// Fetch pixel color from the target raster layer
color=*(Main_backups->Pages->Image[color] + x+y*Main_image_width);
// Draw that color on the visible image buffer
*(x+y*Main_image_width+Main_screen)=color;
if (with_preview)
Pixel_preview(x,y,color);
}
}
else if (Main_current_layer<4 && (Main_layers_visible & (1<<4)))
{
byte depth;
// Paste in layer
*(Main_backups->Pages->Image[Main_current_layer] + x+y*Main_image_width)=color;
// Search depth
depth = *(Main_backups->Pages->Image[4] + x+y*Main_image_width);
if ( depth == Main_current_layer)
{
// Draw that color on the visible image buffer
*(x+y*Main_image_width+Main_screen)=color;
if (with_preview)
Pixel_preview(x,y,color);
}
}
else
{
byte depth;
*(Main_backups->Pages->Image[Main_current_layer] + x+y*Main_image_width)=color;
depth = *(Main_visible_image_depth_buffer.Image+x+y*Main_image_width);
if ( depth <= Main_current_layer)
{
if (color == Main_backups->Pages->Transparent_color) // transparent color
@@ -2923,13 +2975,15 @@ void Pixel_in_current_screen (word x,word y,byte color,int with_preview)
if (with_preview)
Pixel_preview(x,y,color);
}
#else
*((y)*Main_image_width+(x)+Main_backups->Pages->Image[Main_current_layer])=color;
if (with_preview)
Pixel_preview(x,y,color);
#endif
}
#else
*((y)*Main_image_width+(x)+Main_backups->Pages->Image[Main_current_layer])=color;
if (with_preview)
Pixel_preview(x,y,color);
#endif
}
void Pixel_in_current_layer(word x,word y, byte color)
{
*((y)*Main_image_width+(x)+Main_backups->Pages->Image[Main_current_layer])=color;