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code cleaning

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Creates Pixel_in_document_current_layer() to factorize code between
Pixel_in_spare() and Pixel_in_current_layer()
This commit is contained in:
Thomas Bernard 2018-11-22 11:39:24 +01:00
parent 0af49cfd95
commit aeaf468c4b
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GPG Key ID: 0FF11B67A5C0863C
2 changed files with 18 additions and 6 deletions
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6
src/global.h
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@ -291,8 +291,7 @@ GFX2_GLOBAL int Pixel_width;
GFX2_GLOBAL int Pixel_height;
// -- Current image data
/// Current image data
GFX2_GLOBAL T_Document Main;
/// Pointer to the pixel data of the main image
@ -300,8 +299,7 @@ GFX2_GLOBAL byte * Main_screen;
/// Lookup table for XOR effects, pointing each color to the most different one
GFX2_GLOBAL byte xor_lut[256];
// -- Spare page data
/// Spare page data
GFX2_GLOBAL T_Document Spare;
// -- Image backups

18
src/graph.c
View File

@ -3502,18 +3502,32 @@ static void Pixel_in_screen_overlay_with_opt_preview(word x,word y,byte color,in
Func_pixel_opt_preview Pixel_in_current_screen_with_opt_preview=Pixel_in_screen_direct_with_opt_preview;
/**
* Put a pixel in the current layer of a "Document"
*
* @param doc pointer to either @ref Main or @ref Spare
* @param x x coordinate of the pixel to put
* @param y y coordinate of the pixel to put
* @param color the new color for the pixel
*/
void Pixel_in_document_current_layer(T_Document * doc, word x, word y, byte color)
{
doc->backups->Pages->Image[doc->current_layer].Pixels[x + y*doc->image_width] = color;
}
void Pixel_in_spare(word x,word y, byte color)
{
*((y)*Spare.image_width+(x)+Spare.backups->Pages->Image[Spare.current_layer].Pixels)=color;
Pixel_in_document_current_layer(&Spare, x, y, color);
}
void Pixel_in_current_layer(word x,word y, byte color)
{
*((y)*Main.image_width+(x)+Main.backups->Pages->Image[Main.current_layer].Pixels)=color;
Pixel_in_document_current_layer(&Main, x, y, color);
}
byte Read_pixel_from_current_layer(word x,word y)
{
// return Main.backups->Pages->Image[Main.current_layer].Pixels[x + y*Main.image_width];
return *((y)*Main.image_width+(x)+Main.backups->Pages->Image[Main.current_layer].Pixels);
}