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Commit 7754e25

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FoxExeFoxExe
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Revorked 1bpp both way conversion
1 parent 5523097 commit 7754e25

1 file changed

Lines changed: 111 additions & 121 deletions

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‎Image2Bitmap/Form1.cs‎

Lines changed: 111 additions & 121 deletions
Original file line numberDiff line numberDiff line change
@@ -76,116 +76,114 @@ private void Btn_open_Click(object sender, EventArgs e)
7676
}
7777
}
7878
}
79-
80-
#region Image2Code
81-
private String GenDrawCode_BW1BbppH(Image image)
79+
#region Color code conversion
80+
private Color color_from332(int pixel)
8281
{
83-
String result = "uint8_t image = {" + Environment.NewLine + "\t";
84-
int correction = image.Width % 8;
85-
if (correction > 0)
86-
correction = -correction + 8;
87-
88-
using (Bitmap bmp = new Bitmap(image.Width + correction, image.Height))
89-
{
90-
using (Graphics canvas = Graphics.FromImage(bmp))
91-
{
92-
canvas.Clear(Color.White);
93-
canvas.DrawImage(image, 0, 0);
94-
95-
int x_step = 0;
96-
int pixelsTotal = bmp.Width * bmp.Height;
97-
int pixelsCurrent = 0;
98-
99-
for (int y = 0; y < bmp.Height; y++)
100-
{
101-
for (int block = 0; block < bmp.Width / 8; block++)
102-
{
103-
int ColorByte = 0;
104-
105-
for (int bitInBlock = 7; bitInBlock >= 0; bitInBlock--)
106-
{
107-
Color pixelColor = bmp.GetPixel((block * 8 + 7 - bitInBlock), y);
108-
if (pixelColor.R > 248 || pixelColor.G > 248 || pixelColor.B > 248)
109-
ColorByte &= ~(1 << bitInBlock);
110-
else
111-
ColorByte |= 1 << bitInBlock;
112-
pixelsCurrent++; // For progress bar
113-
}
114-
result += "0x" + ColorByte.ToString("X2") + ", ";
115-
x_step++;
116-
if (x_step == 16)
117-
{
118-
x_step = 0;
119-
result += Environment.NewLine + "\t";
120-
}
82+
// Format: RRRG GGBB (Hex) 8*8*4=256 colors
83+
// 1110 0000 = 0xE0
84+
// 0001 1100 = 0x1C
85+
// 0000 0011 = 0x03
86+
return Color.FromArgb((pixel & 0xE0), (pixel & 0x1C) << 3, (pixel & 0x3) << 6);
87+
}
12188

122-
bgWork.ReportProgress((int)((double)pixelsCurrent / (double)pixelsTotal * 100));
123-
}
124-
}
125-
}
126-
}
89+
private Color color_from444(int pixel)
90+
{
91+
// Format: 0000 RRRR GGGG BBBB, 16*16*16=4096 colors
92+
// 0000 1111 0000 0000 = 0x0F00
93+
// 0000 0000 1111 0000 = 0x00F0
94+
// 0000 0000 0000 1111 = 0x000F
95+
return Color.FromArgb((pixel & 0x0F00) >> 4, (pixel & 0x00F0), (pixel & 0x000F) << 4);
96+
}
12797

128-
result += Environment.NewLine + "};";
129-
return result;
98+
private Color color_from556(int pixel)
99+
{
100+
// Format: RRRR RGGG GGGB BBBB (Hex) 32*32*64=65536 colors
101+
// 1111 1000 0000 0000 = 0xF800
102+
// 0000 0111 1110 0000 = 0x07E0
103+
// 0000 0000 0001 1111 = 0x001F
104+
return Color.FromArgb((pixel & 0xF800) >> 8, (pixel & 0x7E0) >> 3, (pixel & 0x1F) << 3);
130105
}
131-
132-
private String GenDrawCode_BW1BbppV(Image image)
106+
#endregion
107+
108+
#region Image2Code
109+
private String CodeFromImage_1bpp(Image image, bool horisontal = false)
133110
{
134111
String result = "uint8_t image = {" + Environment.NewLine + "\t";
135-
int correction = image.Height % 8;
136-
if (correction > 0)
137-
correction = -correction + 8;
112+
int addW = 0;
113+
int addH = 0;
114+
if (horisontal)
115+
{
116+
// Horisontal
117+
addW = image.Width % 8;
118+
if (addW > 0)
119+
addW = -addW + 8;
120+
} else
121+
{
122+
// Vertical
123+
addH = image.Height % 8;
124+
if (addH > 0)
125+
addH = -addH + 8;
126+
}
138127

139-
using (Bitmap bmp = new Bitmap(image.Width, image.Height + correction))
128+
using (Bitmap bmp = new Bitmap(image.Width + addW, image.Height + addH))
140129
{
141130
using (Graphics canvas = Graphics.FromImage(bmp))
142131
{
143132
canvas.Clear(Color.White);
144-
canvas.DrawImage(image, 0, 0);
145-
133+
canvas.DrawImage(image, 0, 0, image.Width, image.Height);
134+
146135
int x_step = 0;
147-
148136
int pixelsTotal = bmp.Width * bmp.Height;
149137
int pixelsCurrent = 0;
138+
int bitInBlock = 7;
139+
int ColorByte = 0;
140+
Color pixelColor;
150141

151-
for (int vBlock = 0; vBlock < bmp.Height / 8; vBlock++)
142+
for (int y = 0; y < bmp.Height; y++)
152143
{
153144
for (int x = 0; x < bmp.Width; x++)
154145
{
155-
int ColorByte = 0;
156-
//result += "B"; // Show in byte format: B11110000 (0xf0)
157-
for (int bitInBlock = 0; bitInBlock < 8; bitInBlock++)
146+
for (int tmpY = 0; tmpY < ((horisontal)? 1 : 8); tmpY++)
158147
{
159-
Color pixelColor = bmp.GetPixel(x, vBlock * 8 + bitInBlock);
148+
pixelColor = bmp.GetPixel(x, ((horisontal)? y : y + tmpY));
149+
160150
if (pixelColor.R > 248 || pixelColor.G > 248 || pixelColor.B > 248)
161-
ColorByte &= ~(1 << bitInBlock); // result += "0";
151+
ColorByte &= ~(1 << bitInBlock); // White
162152
else
163-
ColorByte |= 1 << bitInBlock; // result += "1";
164-
pixelsCurrent++;
165-
}
166-
result += "0x" + ColorByte.ToString("X2") + ", ";
167-
168-
x_step++;
169-
if (x_step == 16)
170-
{
171-
x_step = 0;
172-
result += Environment.NewLine + "\t";
173-
}
153+
ColorByte |= 1 << bitInBlock; // Black
154+
155+
if (bitInBlock == 0)
156+
{
157+
result += "0x" + ColorByte.ToString("X2") + ", ";
158+
x_step++;
159+
if (x_step == 16)
160+
{
161+
x_step = 0;
162+
result += Environment.NewLine + "\t";
163+
}
164+
ColorByte = 0;
165+
bitInBlock = 7;
166+
}
167+
else
168+
bitInBlock--;
174169

175-
bgWork.ReportProgress((int)((double)pixelsCurrent / (double)pixelsTotal * 100));
170+
bgWork.ReportProgress((int)((double)pixelsCurrent++ / (double)pixelsTotal * 100));
171+
}
176172
}
173+
if (!horisontal)
174+
y += 7;
177175
}
178176
}
179177
}
178+
180179
result += Environment.NewLine + "};";
181180
return result;
182181
}
183182

184-
private string GenCodeFromImage(TransformColorFormats format)
183+
private string CodeFromImage(TransformColorFormats format)
185184
{
186185
StringBuilder result = new StringBuilder();
187186
string codeFormat = "";
188-
int appendSize = 0;
189187
int Width = 0, Height = 0;
190188
Image image = null;
191189

@@ -200,12 +198,10 @@ private string GenCodeFromImage(TransformColorFormats format)
200198
case TransformColorFormats.RGB332:
201199
result.Append("uint8_t");
202200
codeFormat = "0x{0:x2}, ";
203-
appendSize = 6; // "0xAB, "
204201
break;
205202
case TransformColorFormats.RGB565:
206203
result.Append("uint16_t");
207204
codeFormat = "0x{0:x4}, ";
208-
appendSize = 8; // "0xABCD, "
209205
break;
210206
}
211207
result.Append(" image = {" + Environment.NewLine + "\t");
@@ -269,14 +265,14 @@ private void ImageToCode(object sender, DoWorkEventArgs e)
269265
switch (e.Argument)
270266
{
271267
case TransformColorFormats.BW1BppH:
272-
e.Result = GenDrawCode_BW1BbppH(OriginalImage);
268+
e.Result = CodeFromImage_1bpp(OriginalImage, true);
273269
break;
274270
case TransformColorFormats.BW1BppV:
275-
e.Result = GenDrawCode_BW1BbppV(OriginalImage);
271+
e.Result = CodeFromImage_1bpp(OriginalImage, false);
276272
break;
277273
case TransformColorFormats.RGB332:
278274
case TransformColorFormats.RGB565:
279-
e.Result = GenCodeFromImage((TransformColorFormats)e.Argument);
275+
e.Result = CodeFromImage((TransformColorFormats)e.Argument);
280276
//e.Result = GenDrawCode_RGB332(OriginalImage);
281277
break;
282278
//case TransformColorFormats.RGB565:
@@ -289,8 +285,11 @@ private void ImageToCode(object sender, DoWorkEventArgs e)
289285
}
290286

291287
#region Code2Image
292-
private Image GenImageFromCode(TransformColorFormats format)
288+
289+
private void CodeToImage(object sender, DoWorkEventArgs e)
293290
{
291+
TransformColorFormats format = (TransformColorFormats)e.Argument;
292+
294293
string Code = "";
295294
int Width = 0, Height = 0;
296295
int x = 0, y = 0;
@@ -301,7 +300,7 @@ private Image GenImageFromCode(TransformColorFormats format)
301300
Code = GeneratedCode.Text;
302301
}));
303302

304-
Bitmap result = new Bitmap(Width, Height, PixelFormat.Format16bppRgb565);
303+
Bitmap result = new Bitmap(Width, Height);
305304

306305
int pixelsCurrent = 0;
307306
int pixelsTotal = Width * Height;
@@ -316,45 +315,50 @@ private Image GenImageFromCode(TransformColorFormats format)
316315
case TransformColorFormats.BW1BppH:
317316
case TransformColorFormats.BW1BppV:
318317
case TransformColorFormats.RGB332:
319-
regex = @"0x([0-9a-fA-F]{2}),";
318+
regex = @"0x([0-9a-fA-F]{2}),"; // 0xAB (one byte)
320319
break;
321320
case TransformColorFormats.RGB565:
322-
regex = @"0x([0-9a-fA-F]{4}),";
321+
regex = @"0x([0-9a-fA-F]{4}),"; // 0xABCD (two bytes)
323322
break;
324323
}
325324

326325
foreach (Match m in Regex.Matches(Code, regex))
327326
{
328327
pixelColor = int.Parse(m.Groups[1].Value, System.Globalization.NumberStyles.HexNumber);
328+
329329
switch (format)
330330
{
331-
//case TransformColorFormats.BW1BppH:
332-
// break;
333-
//case TransformColorFormats.BW1BppV:
334-
// break;
331+
case TransformColorFormats.BW1BppH:
332+
for (int offset = 7; offset >= 0; offset--)
333+
{
334+
result.SetPixel(x, y, ((pixelColor & (1 << offset)) > 0) ? Color.Black : Color.White);
335+
x++;
336+
}
337+
x--;
338+
break;
339+
case TransformColorFormats.BW1BppV:
340+
for (int offset = 7; offset >= 0; offset--)
341+
{
342+
result.SetPixel(x, y + (-offset + 7), ((pixelColor & (1 << offset)) > 0) ? Color.Black : Color.White);
343+
}
344+
break;
335345
case TransformColorFormats.RGB332: // RRRG GGBB
336-
result.SetPixel(x, y, Color.FromArgb(
337-
(pixelColor & 0xE0),
338-
(pixelColor & 0x1C) << 3,
339-
(pixelColor & 0x3) << 6)
340-
);
346+
result.SetPixel(x, y, color_from332(pixelColor));
341347
break;
342348
case TransformColorFormats.RGB565: // RRRR RGGG GGGB BBBB
343-
result.SetPixel(x, y, Color.FromArgb(
344-
(pixelColor & 0xF800) >> 8,
345-
(pixelColor & 0x7E0) >> 3,
346-
(pixelColor & 0x1F) << 3)
347-
);
348-
break;
349-
default:
349+
result.SetPixel(x, y, color_from556(pixelColor));
350350
break;
351351
}
352-
352+
353353
x++;
354354
if (x == Width)
355355
{
356356
x = 0;
357-
y++;
357+
if (format == TransformColorFormats.BW1BppV)
358+
y += 8;
359+
else
360+
y += 1;
361+
358362
if (y == Height)
359363
{
360364
break; // All done. Stop conversion.
@@ -365,25 +369,11 @@ private Image GenImageFromCode(TransformColorFormats format)
365369
bgWork.ReportProgress((int)((double)pixelsCurrent / (double)pixelsTotal * 100));
366370
}
367371

368-
return result;
369-
}
370-
#endregion
371-
372-
private void CodeToImage(object sender, DoWorkEventArgs e)
373-
{
374-
switch (e.Argument)
375-
{
376-
case TransformColorFormats.RGB565:
377-
case TransformColorFormats.RGB332:
378-
e.Result = GenImageFromCode((TransformColorFormats)e.Argument);
379-
break;
380-
default:
381-
MessageBox.Show("Sorry, unsupported.");
382-
e.Result = OriginalImage;
383-
break;
384-
}
372+
e.Result = result;
385373
}
386374

375+
#endregion
376+
387377
private void BgConvertProgress(object sender, ProgressChangedEventArgs e)
388378
{
389379
convertProgress.Value = e.ProgressPercentage;

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