diff options
Diffstat (limited to 'src/drivers/GDI/Fl_GDI_Image_Surface_Driver.cxx')
| -rw-r--r-- | src/drivers/GDI/Fl_GDI_Image_Surface_Driver.cxx | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/src/drivers/GDI/Fl_GDI_Image_Surface_Driver.cxx b/src/drivers/GDI/Fl_GDI_Image_Surface_Driver.cxx deleted file mode 100644 index a14524ee2..000000000 --- a/src/drivers/GDI/Fl_GDI_Image_Surface_Driver.cxx +++ /dev/null @@ -1,169 +0,0 @@ -// -// Draw-to-image code for the Fast Light Tool Kit (FLTK). -// -// Copyright 1998-2018 by Bill Spitzak and others. -// -// This library is free software. Distribution and use rights are outlined in -// the file "COPYING" which should have been included with this file. If this -// file is missing or damaged, see the license at: -// -// https://www.fltk.org/COPYING.php -// -// Please see the following page on how to report bugs and issues: -// -// https://www.fltk.org/bugs.php -// - - -#include "Fl_GDI_Graphics_Driver.H" -#include "../WinAPI/Fl_WinAPI_Screen_Driver.H" -#include "Fl_GDI_Image_Surface_Driver.H" -#include <FL/platform.H> -#include <FL/Fl_Bitmap.H> -#include <windows.h> - - -Fl_GDI_Image_Surface_Driver::Fl_GDI_Image_Surface_Driver(int w, int h, int high_res, Fl_Offscreen off) : Fl_Image_Surface_Driver(w, h, high_res, off) { - Fl_Display_Device::display_device(); // make sure fl_graphics_driver was initialized - float d = fl_graphics_driver->scale(); - if (!off && d != 1 && high_res) { - w = int(w*d); - h = int(h*d); - } - HDC gc = (HDC)Fl_Graphics_Driver::default_driver().gc(); - offscreen = off ? off : (Fl_Offscreen)CreateCompatibleBitmap( (gc ? gc : fl_GetDC(0) ) , w, h); - if (!offscreen) offscreen = (Fl_Offscreen)CreateCompatibleBitmap(fl_GetDC(0), w, h); - driver(Fl_Graphics_Driver::newMainGraphicsDriver()); - if (d != 1 && high_res) ((Fl_GDI_Graphics_Driver*)driver())->scale(d); - origin.x = origin.y = 0; - shape_data_ = NULL; -} - - -Fl_GDI_Image_Surface_Driver::~Fl_GDI_Image_Surface_Driver() { - if (shape_data_ && shape_data_->background) { - DeleteObject(shape_data_->background); - delete shape_data_->mask; - free(shape_data_); - } - if (offscreen && !external_offscreen) DeleteObject((HBITMAP)offscreen); - delete driver(); -} - - -void Fl_GDI_Image_Surface_Driver::set_current() { - HDC gc = fl_makeDC((HBITMAP)offscreen); - driver()->gc(gc); - SetWindowOrgEx(gc, origin.x, origin.y, NULL); - Fl_Surface_Device::set_current(); - pre_window = fl_window; - _savedc = SaveDC(gc); - fl_window=(HWND)offscreen; -} - - -void Fl_GDI_Image_Surface_Driver::translate(int x, int y) { - ((Fl_GDI_Graphics_Driver*)driver())->translate_all(x, y); -} - - -void Fl_GDI_Image_Surface_Driver::untranslate() { - ((Fl_GDI_Graphics_Driver*)driver())->untranslate_all(); -} - - -Fl_RGB_Image* Fl_GDI_Image_Surface_Driver::image() -{ - if (shape_data_ && shape_data_->background) { - // get the offscreen size in pixels - HDC gc = fl_makeDC((HBITMAP)offscreen); - BITMAPINFO bmi; - bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER); - bmi.bmiHeader.biCompression = BI_RGB; - bmi.bmiHeader.biPlanes = 1; - bmi.bmiHeader.biBitCount = 0; - bmi.bmiHeader.biSizeImage = 0; - GetDIBits(gc, (HBITMAP)offscreen, 0, 0, NULL, &bmi, DIB_RGB_COLORS); - int W = bmi.bmiHeader.biWidth; - int H = bmi.bmiHeader.biHeight; - int line_size = ((3*W+3)/4) * 4; - - // read bits of main offscreen - uchar *dib_src = new uchar[line_size * H]; - bmi.bmiHeader.biWidth = W; - bmi.bmiHeader.biHeight = H; - bmi.bmiHeader.biCompression = BI_RGB; - bmi.bmiHeader.biBitCount = 24; - GetDIBits(gc, (HBITMAP)offscreen, 0, H, - dib_src, &bmi, DIB_RGB_COLORS); - - // draw above the secondary offscreen the main offscreen masked by shape_data_->mask - GdiFlush(); - Fl_Image_Surface_Driver::copy_with_mask(shape_data_->mask, shape_data_->vBits, dib_src, ((3*W+3)/4) * 4, true); - delete shape_data_->mask; - delete[] dib_src; - - // write bits of main offscreen - SetDIBits(gc, (HBITMAP)offscreen, 0, H, shape_data_->vBits, &bmi, DIB_RGB_COLORS); - DeleteDC(gc); - DeleteObject(shape_data_->background); - shape_data_->background = NULL; - free(shape_data_); - shape_data_ = NULL; - } - Fl_RGB_Image *image = Fl::screen_driver()->read_win_rectangle( 0, 0, width, height, 0); - return image; -} - - -void Fl_GDI_Image_Surface_Driver::end_current() -{ - HDC gc = (HDC)driver()->gc(); - GetWindowOrgEx(gc, &origin); - RestoreDC(gc, _savedc); - DeleteDC(gc); - fl_window = pre_window; - Fl_Surface_Device::end_current(); -} - - -void Fl_GDI_Image_Surface_Driver::mask(const Fl_RGB_Image *mask) { - shape_data_ = (struct shape_data_type*)calloc(1, sizeof(struct shape_data_type)); - // get the offscreen size in pixels - HDC gc = fl_makeDC((HBITMAP)offscreen); - BITMAPINFO bmi; - bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER); - bmi.bmiHeader.biCompression = BI_RGB; - bmi.bmiHeader.biPlanes = 1; - bmi.bmiHeader.biBitCount = 0; - bmi.bmiHeader.biSizeImage = 0; - - GetDIBits(gc, (HBITMAP)offscreen, 0, 0, NULL, &bmi, DIB_RGB_COLORS); - int W = bmi.bmiHeader.biWidth; - int H = bmi.bmiHeader.biHeight; - - shape_data_->mask = Fl_Image_Surface_Driver::RGB3_to_RGB1(mask, W, H); - - // duplicate current offscreen content to new offscreen - int line_size = ((3*W+3)/4) * 4; - uchar *dib = new uchar[line_size * H]; // create temporary buffer to read DIB - bmi.bmiHeader.biWidth = W; - bmi.bmiHeader.biHeight = H; - bmi.bmiHeader.biCompression = BI_RGB; - bmi.bmiHeader.biBitCount = 24; - - GetDIBits(gc, (HBITMAP)offscreen, 0, H, dib, &bmi, DIB_RGB_COLORS); - - HDC background_gc = CreateCompatibleDC(gc); - shape_data_->background = - CreateDIBSection(background_gc, &bmi, DIB_RGB_COLORS, - (void**)&shape_data_->vBits, NULL, 0); - if (!shape_data_->background) { - Fl::error("CreateDIBSection error=%lu", GetLastError()); - } - memcpy(shape_data_->vBits, dib, H * line_size); - delete[] dib; - DeleteDC(background_gc); - DeleteDC(gc); -} - |
