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Separate a reusable Image class from Screen (#834)

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Co-authored-by: ArthurSonzogni <sonzogniarthur@gmail.com>
This commit is contained in:
Dimo Markov
2024-04-27 12:03:44 +03:00
committed by ArthurSonzogni
parent 57ebf6c8c1
commit a006bcafe1
12 changed files with 243 additions and 107 deletions
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19
include/ftxui/dom/canvas.hpp
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@@ -10,7 +10,7 @@
#include <unordered_map> // for unordered_map
#include "ftxui/screen/color.hpp" // for Color
#include "ftxui/screen/screen.hpp" // for Pixel
#include "ftxui/screen/image.hpp" // for Pixel, Image
#ifdef DrawText
// Workaround for WinUsr.h (via Windows.h) defining macros that break things.
@@ -94,6 +94,12 @@ struct Canvas {
void DrawText(int x, int y, const std::string& value);
void DrawText(int x, int y, const std::string& value, const Color& color);
void DrawText(int x, int y, const std::string& value, const Stylizer& style);
// Draw using directly pixels or images --------------------------------------
// x is considered to be a multiple of 2.
// y is considered to be a multiple of 4.
void DrawPixel(int x, int y, const Pixel&);
void DrawImage(int x, int y, const Image&);
// Decorator:
// x is considered to be a multiple of 2.
@@ -104,15 +110,18 @@ struct Canvas {
bool IsIn(int x, int y) const {
return x >= 0 && x < width_ && y >= 0 && y < height_;
}
enum CellType {
kBraille,
kBlock,
kText,
kCell, // Units of size 2x4
kBlock, // Units of size 2x2
kBraille, // Units of size 1x1
};
struct Cell {
CellType type = kText;
CellType type = kCell;
Pixel content;
};
struct XY {
int x;
int y;