|
public DrawImage ( |
||
| bmp | ||
| srcRect | Drawing | |
| x | float | |
| y | float | |
| w | float | |
| h | float | |
| return | void | |
public override void DrawImage(ActualImage actualImage, params AffinePlan[] affinePlans)
{
//create gl bmp
GLBitmap glBmp = new GLBitmap(actualImage.Width, actualImage.Height, ActualImage.GetBuffer(actualImage), false);
_canvas.DrawImage(glBmp, 0, 0);
glBmp.Dispose();
}
public void DrawString(char[] text, double x, double y)
{
aggPainter.Clear(Drawing.Color.White);
//draw text
textPrinter.DrawString(text, 0, 18);
byte[] buffer = PixelFarm.Agg.ActualImage.GetBuffer(actualImage);
//------------------------------------------------------
GLBitmap glBmp = new GLBitmap(bmpWidth, bmpHeight, buffer, true);
bool isYFliped = canvas.FlipY;
if (isYFliped)
{
canvas.DrawImage(glBmp, (float)x, (float)y);
}
else
{
canvas.FlipY = true;
canvas.DrawImage(glBmp, (float)x, (float)y);
canvas.FlipY = false;
}
glBmp.Dispose();
}
public void DrawString(CanvasGL2d canvas, string text, float x, float y)
{
char[] textBuffer = text.ToCharArray();
Win32.MyWin32.PatBlt(memdc.DC, 0, 0, bmpWidth, bmpHeight, Win32.MyWin32.WHITENESS);
Win32.NativeTextWin32.TextOut(memdc.DC, 0, 0, textBuffer, textBuffer.Length);
// Win32.Win32Utils.BitBlt(hdc, 0, 0, bmpWidth, 50, memHdc, 0, 0, Win32.MyWin32.SRCCOPY);
//---------------
int stride = 4 * ((bmpWidth * 32 + 31) / 32);
//Bitmap newBmp = new Bitmap(bmpWidth, 50, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
//var bmpData = newBmp.LockBits(new Rectangle(0, 0, bmpWidth, 50), System.Drawing.Imaging.ImageLockMode.ReadWrite, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
byte[] tmp1 = new byte[stride * 50];
System.Runtime.InteropServices.Marshal.Copy(memdc.PPVBits, tmp1, 0, tmp1.Length);
//---------------
int pos = 3;
for (int r = 0; r < 50; ++r)
{
for (int c = 0; c < stride; ++c)
{
tmp1[pos] = 255;
pos += 4;
c += 4;
}
}
Win32.NativeTextWin32.WIN32SIZE win32Size;
unsafe
{
fixed (char* bufferHead = &textBuffer[0])
{
Win32.NativeTextWin32.GetTextExtentPoint32Char(memdc.DC, bufferHead, textBuffer.Length, out win32Size);
}
}
bmpWidth = win32Size.Width;
bmpHeight = win32Size.Height;
var actualImg = new Agg.ActualImage(bmpWidth, bmpHeight, Agg.PixelFormat.ARGB32);
//------------------------------------------------------
//copy bmp from specific bmp area
//and convert to GLBmp
byte[] buffer = PixelFarm.Agg.ActualImage.GetBuffer(actualImg);
unsafe
{
byte* header = (byte*)memdc.PPVBits;
fixed (byte* dest0 = &buffer[0])
{
byte* dest = dest0;
byte* rowHead = header;
int rowLen = bmpWidth * 4;
for (int h = 0; h < bmpHeight; ++h)
{
header = rowHead;
for (int n = 0; n < rowLen; )
{
//move next
*(dest + 0) = *(header + 0);
*(dest + 1) = *(header + 1);
*(dest + 2) = *(header + 2);
//*(dest + 3) = *(header + 3);
*(dest + 3) = 255;
header += 4;
dest += 4;
n += 4;
}
//finish one row
rowHead += stride;
}
}
}
//------------------------------------------------------
GLBitmap glBmp = new GLBitmap(bmpWidth, bmpHeight, buffer, false);
canvas.DrawImage(glBmp, (float)x, (float)y);
glBmp.Dispose();
}
public static void Start()
{
if (!Glfw.Init())
{
Console.WriteLine("can't init glfw");
return;
}
//---------------------------------------------------
//specific OpenGLES ***
Glfw.WindowHint(WindowHint.GLFW_CLIENT_API, (int)OpenGLAPI.OpenGLESAPI);
Glfw.WindowHint(WindowHint.GLFW_CONTEXT_CREATION_API, (int)OpenGLContextCreationAPI.GLFW_EGL_CONTEXT_API);
Glfw.WindowHint(WindowHint.GLFW_CONTEXT_VERSION_MAJOR, 2);
Glfw.WindowHint(WindowHint.GLFW_CONTEXT_VERSION_MINOR, 0);
//---------------------------------------------------
Glfw.SwapInterval(1);
GlFwForm form1 = GlfwApp.CreateGlfwForm(
800,
600,
"PixelFarm + Skia on GLfw and OpenGLES2");
form1.MakeCurrent();
//------------------------------------
//***
GLFWPlatforms.CreateGLESContext();
//------------------------------------
form1.Activate();
int ww_w = 800;
int ww_h = 600;
int max = Math.Max(ww_w, ww_h);
canvasGL2d = PixelFarm.Drawing.GLES2.GLES2Platform.CreateCanvasGL2d(max, max);
//------------------------------------
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
GL.ClearColor(1, 1, 1, 1);
//--------------------------------------------------------------------------------
//setup viewport size
//set up canvas
needUpdateContent = true;
//GL.Viewport(0, 0, 800, 600);
GL.Viewport(0, 0, max, max);
FormRenderUpdateEventArgs formRenderUpdateEventArgs = new FormRenderUpdateEventArgs();
formRenderUpdateEventArgs.form = form1;
form1.SetDrawFrameDelegate(() =>
{
if (needUpdateContent)
{
UpdateViewContent(formRenderUpdateEventArgs);
}
canvasGL2d.Clear(Color.Blue);
canvasGL2d.DrawImage(glBmp, 0, 600);
});
while (!GlfwApp.ShouldClose())
{
//---------------
//render phase and swap
GlfwApp.UpdateWindowsFrame();
/* Poll for and process events */
Glfw.PollEvents();
}
Glfw.Terminate();
}
public void DrawString(char[] textBuffer, double x, double y)
{
//TODO: review performan
Win32.MyWin32.PatBlt(memdc.DC, 0, 0, bmpWidth, bmpHeight, Win32.MyWin32.WHITENESS);
Win32.NativeTextWin32.TextOut(memdc.DC, 0, 0, textBuffer, textBuffer.Length);
// Win32.Win32Utils.BitBlt(hdc, 0, 0, bmpWidth, 50, memHdc, 0, 0, Win32.MyWin32.SRCCOPY);
//---------------
int stride = 4 * ((bmpWidth * 32 + 31) / 32);
//Bitmap newBmp = new Bitmap(bmpWidth, 50, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
//var bmpData = newBmp.LockBits(new Rectangle(0, 0, bmpWidth, 50), System.Drawing.Imaging.ImageLockMode.ReadWrite, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
byte[] tmp1 = new byte[stride * 50];
System.Runtime.InteropServices.Marshal.Copy(memdc.PPVBits, tmp1, 0, tmp1.Length);
//---------------
int pos = 3;
for (int r = 0; r < 50; ++r)
{
for (int c = 0; c < stride; ++c)
{
tmp1[pos] = 255;
pos += 4;
c += 4;
}
}
Win32.NativeTextWin32.WIN32SIZE win32Size;
unsafe
{
fixed(char *bufferHead = &textBuffer[0])
{
Win32.NativeTextWin32.GetTextExtentPoint32Char(memdc.DC, bufferHead, textBuffer.Length, out win32Size);
}
}
bmpWidth = win32Size.Width;
bmpHeight = win32Size.Height;
var actualImg = new Agg.ActualImage(bmpWidth, bmpHeight, Agg.PixelFormat.ARGB32);
//------------------------------------------------------
//copy bmp from specific bmp area
//and convert to GLBmp
byte[] buffer = PixelFarm.Agg.ActualImage.GetBuffer(actualImg);
unsafe
{
byte *header = (byte *)memdc.PPVBits;
fixed(byte *dest0 = &buffer[0])
{
byte *dest = dest0;
byte *rowHead = header;
int rowLen = bmpWidth * 4;
for (int h = 0; h < bmpHeight; ++h)
{
header = rowHead;
for (int n = 0; n < rowLen;)
{
//move next
*(dest + 0) = *(header + 0);
*(dest + 1) = *(header + 1);
*(dest + 2) = *(header + 2);
//*(dest + 3) = *(header + 3);
*(dest + 3) = 255;
header += 4;
dest += 4;
n += 4;
}
//finish one row
rowHead += stride;
}
}
}
//------------------------------------------------------
GLBitmap glBmp = new GLBitmap(bmpWidth, bmpHeight, buffer, false);
canvas.DrawImage(glBmp, (float)x, (float)y);
glBmp.Dispose();
}