From baed7f32c7608532012a90804629b54e2d8c6f81 Mon Sep 17 00:00:00 2001 From: Bent Bisballe Nyeng Date: Fri, 17 Feb 2017 11:40:42 +0100 Subject: Partial rendering for win32 backend. --- plugingui/nativewindow_win32.cc | 39 +++++++++++++++++++++++++++------------ 1 file changed, 27 insertions(+), 12 deletions(-) (limited to 'plugingui') diff --git a/plugingui/nativewindow_win32.cc b/plugingui/nativewindow_win32.cc index dce14cc..75d523d 100644 --- a/plugingui/nativewindow_win32.cc +++ b/plugingui/nativewindow_win32.cc @@ -27,6 +27,7 @@ #include "nativewindow_win32.h" #include +#include #include "window.h" @@ -222,11 +223,14 @@ LRESULT CALLBACK NativeWindowWin32::dialogProc(HWND hwnd, UINT msg, case WM_PAINT: { + RECT rect; + GetUpdateRect(hwnd, &rect, FALSE); + auto repaintEvent = std::make_shared(); - repaintEvent->x = 0; - repaintEvent->y = 0; - repaintEvent->width = 100; - repaintEvent->height = 100; + repaintEvent->x = rect.left; + repaintEvent->y = rect.top; + repaintEvent->width = rect.right - rect.left; + repaintEvent->height = rect.bottom - rect.top; native->event_queue.push_back(repaintEvent); // Move to window.h (in class) @@ -256,22 +260,27 @@ LRESULT CALLBACK NativeWindowWin32::dialogProc(HWND hwnd, UINT msg, DeleteDC(hDC); } + int from_x = rect.left; + int to_x = std::min(rect.right, (long)px.width); + int from_y = rect.top; + int to_y = std::min(rect.bottom, (long)px.height); { // Copy PixelBuffer to framebuffer - int i, j, k; - for(k = 0, i = 0; i < (int)px.height; ++i) + int idx = 0; + for(int y = from_y; y < to_y; ++y) { - for(j = 0; j < (int)px.width; ++j, ++k) + for(int x = from_x; x < to_x; ++x) { - *(framebuf + k) = RGB(px.buf[(j + i * px.width) * 3 + 2], - px.buf[(j + i * px.width) * 3 + 1], - px.buf[(j + i * px.width) * 3 + 0]); + *(framebuf + idx) = RGB(px.buf[(x + y * px.width) * 3 + 2], + px.buf[(x + y * px.width) * 3 + 1], + px.buf[(x + y * px.width) * 3 + 0]); + ++idx; } } } PAINTSTRUCT ps; HDC hdc = BeginPaint(native->m_hwnd, &ps); - BitBlt(hdc, 0, 0, px.width, px.height, pDC, 0, 0, SRCCOPY); + BitBlt(hdc, from_x, from_y, to_x, to_y, pDC, from_x, from_y, SRCCOPY); EndPaint(native->m_hwnd, &ps); { // Destroy bitmap (move to window.cc) @@ -389,7 +398,13 @@ void NativeWindowWin32::redraw(const Rect& dirty_rect) // Send WM_PAINT message. Buffer transfering is handled in MessageHandler. if(parent_window == nullptr) { - RECT rect = {dirty_rect.x1, dirty_rect.y1, dirty_rect.x2, dirty_rect.y2 }; + RECT rect = + { + (long)dirty_rect.x1, + (long)dirty_rect.y1, + (long)dirty_rect.x2, + (long)dirty_rect.y2 + }; RedrawWindow(m_hwnd, &rect, nullptr, RDW_INVALIDATE); UpdateWindow(m_hwnd); } -- cgit v1.2.3