static EG_IMAGE *SelectionImages[2] = { NULL, NULL };
static EG_PIXEL SelectionBackgroundPixel = { 0xff, 0xff, 0xff, 0 };
-static EG_IMAGE *TextBuffer = NULL;
//
// Graphics helper functions
}
if (SelectionImages[1] == NULL)
SelectionImages[1] = egPrepareEmbeddedImage(&egemb_back_selected_small, TRUE);
- SelectionImages[1] = egEnsureImageSize(SelectionImages[1],
- ROW1_TILESIZE, ROW1_TILESIZE, &MenuBackgroundPixel);
+ SelectionImages[1] = egEnsureImageSize(SelectionImages[1], ROW1_TILESIZE, ROW1_TILESIZE, &MenuBackgroundPixel);
if (SelectionImages[1] == NULL)
return;
// load big selection image
if (GlobalConfig.SelectionBigFileName != NULL) {
SelectionImages[0] = egLoadImage(SelfDir, GlobalConfig.SelectionBigFileName, TRUE);
- SelectionImages[0] = egEnsureImageSize(SelectionImages[0],
- ROW0_TILESIZE, ROW0_TILESIZE, &MenuBackgroundPixel);
+ SelectionImages[0] = egEnsureImageSize(SelectionImages[0], ROW0_TILESIZE, ROW0_TILESIZE, &MenuBackgroundPixel);
}
if (SelectionImages[0] == NULL) {
// calculate big selection image from small one
// graphical generic style
//
-
+//
// Display a submenu
-static VOID DrawSubmenuText(IN CHAR16 *Text, IN UINTN SelectedWidth, IN UINTN XPos, IN UINTN YPos)
+//
+
+// Display text with a solid background (MenuBackgroundPixel or SelectionBackgroundPixel)
+static VOID DrawText(IN CHAR16 *Text, IN BOOLEAN Selected, IN UINTN FieldWidth, IN UINTN XPos, IN UINTN YPos)
{
- if (TextBuffer == NULL)
- TextBuffer = egCreateImage(LAYOUT_TEXT_WIDTH, TEXT_LINE_HEIGHT, TRUE);
-
- egFillImage(TextBuffer, &MenuBackgroundPixel);
- if (SelectedWidth > 0) {
- // draw selection bar background
- egFillImageArea(TextBuffer, 0, 0, SelectedWidth, TextBuffer->Height,
- &SelectionBackgroundPixel);
- }
+ EG_IMAGE *TextBuffer;
+ EG_PIXEL Bg;
+
+ TextBuffer = egCreateImage(FieldWidth, TEXT_LINE_HEIGHT, FALSE);
+
+ egFillImage(TextBuffer, &MenuBackgroundPixel);
+ Bg = MenuBackgroundPixel;
+ if (Selected) {
+ // draw selection bar background
+ egFillImageArea(TextBuffer, 0, 0, FieldWidth, TextBuffer->Height, &SelectionBackgroundPixel);
+ Bg = SelectionBackgroundPixel;
+ }
+
+ // render the text
+ egRenderText(Text, TextBuffer, TEXT_XMARGIN, TEXT_YMARGIN, (Bg.r + Bg.g + Bg.b) / 3);
+ egDrawImageWithTransparency(TextBuffer, NULL, XPos, YPos, TextBuffer->Width, TextBuffer->Height);
+// BltImage(TextBuffer, XPos, YPos);
+}
+
+// Finds the average brightness of the input Image.
+// NOTE: Passing an Image that covers the whole screen can strain the
+// capacity of a UINTN on a 32-bit system with a very large display.
+// Using UINT64 instead is unworkable, since the code won't compile
+// on a 32-bit system. As the intended use for this function is to handle
+// a single text string's background, this shouldn't be a problem, but it
+// may need addressing if it's applied more broadly....
+static UINT8 AverageBrightness(EG_IMAGE *Image) {
+ UINTN i;
+ UINTN Sum = 0;
+
+ if (Image != NULL) {
+ for (i = 0; i < (Image->Width * Image->Height); i++) {
+ Sum += (Image->PixelData[i].r + Image->PixelData[i].g + Image->PixelData[i].b);
+ }
+ } // if
+ return (UINT8) (Sum / (Image->Width * Image->Height * 3));
+} // UINT8 AverageBrightness()
+
+// Display text against the screen's background image
+static VOID DrawTextWithTransparency(IN CHAR16 *Text, IN UINTN XPos, IN UINTN YPos)
+{
+ UINTN TextWidth, TextPosX;
+ EG_IMAGE *TextBuffer;
+
+ TextBuffer = egCropImage(GlobalConfig.ScreenBackground, XPos, YPos, LAYOUT_TEXT_WIDTH, TEXT_LINE_HEIGHT);
// render the text
- egRenderText(Text, TextBuffer, TEXT_XMARGIN, TEXT_YMARGIN);
+ egMeasureText(Text, &TextWidth, NULL);
+ if (TextWidth > TextBuffer->Width)
+ TextPosX = 0;
+ else
+ TextPosX = (TextBuffer->Width - TextWidth) / 2;
+ egRenderText(Text, TextBuffer, TextPosX, 0, AverageBrightness(TextBuffer));
egDrawImageWithTransparency(TextBuffer, NULL, XPos, YPos, TextBuffer->Width, TextBuffer->Height);
-// BltImage(TextBuffer, XPos, YPos);
}
+// Compute the size & position of the window that will hold a subscreen's information.
+static VOID ComputeSubScreenWindowSize(REFIT_MENU_SCREEN *Screen, IN SCROLL_STATE *State, UINTN *XPos, UINTN *YPos, UINTN *Width, UINTN *Height, UINTN *LineWidth) {
+ UINTN i, ItemWidth, HintTop, BannerBottomEdge, TitleWidth;
+
+ *Width = 20;
+ *Height = 5;
+ TitleWidth = StrLen(Screen->Title);
+ if ((Screen->TitleImage) && (TitleWidth > (Screen->TitleImage->Width / FONT_CELL_WIDTH))) {
+ TitleWidth -= (Screen->TitleImage->Width / FONT_CELL_WIDTH);
+ }
+ if (TitleWidth > *Width) {
+ *Width = TitleWidth;
+ }
+ for (i = 0; i < Screen->InfoLineCount; i++) {
+ ItemWidth = StrLen(Screen->InfoLines[i]);
+ if (*Width < ItemWidth) {
+ *Width = ItemWidth;
+ }
+ (*Height)++;
+ }
+ for (i = 0; i <= State->MaxIndex; i++) {
+ ItemWidth = StrLen(Screen->Entries[i]->Title);
+ if (*Width < ItemWidth) {
+ *Width = ItemWidth;
+ }
+ (*Height)++;
+ }
+ *Width = TEXT_XMARGIN * 2 + *Width * FONT_CELL_WIDTH;
+ *LineWidth = *Width;
+ if (Screen->TitleImage)
+ *Width += (Screen->TitleImage->Width + TITLEICON_SPACING * 2 + FONT_CELL_WIDTH);
+ else
+ *Width += FONT_CELL_WIDTH;
+
+ // Keep it within the bounds of the screen, or 2/3 of the screen's width
+ // for screens over 800 pixels wide
+ if (*Width > UGAWidth)
+ *Width = UGAWidth;
+ if ((*Width > (2 * UGAWidth) / 3) && (UGAWidth > 800))
+ *Width = (2 * UGAWidth) / 3;
+
+ *XPos = (UGAWidth - *Width) / 2;
+
+ HintTop = UGAHeight - (FONT_CELL_HEIGHT * 3); // top of hint text
+ *Height *= TEXT_LINE_HEIGHT;
+ if (Screen->TitleImage && (*Height < (Screen->TitleImage->Height + TEXT_LINE_HEIGHT * 4)))
+ *Height = Screen->TitleImage->Height + TEXT_LINE_HEIGHT * 4;
+
+ if (GlobalConfig.BannerBottomEdge >= HintTop) { // probably a full-screen image; treat it as an empty banner
+ BannerBottomEdge = 0;
+ } else {
+ BannerBottomEdge = GlobalConfig.BannerBottomEdge;
+ }
+ if (*Height > (HintTop - BannerBottomEdge - FONT_CELL_HEIGHT * 2)) {
+ BannerBottomEdge = 0;
+ }
+ if (*Height > (HintTop - BannerBottomEdge - FONT_CELL_HEIGHT * 2)) {
+ // TODO: Implement scrolling in text screen.
+ *Height = (HintTop - BannerBottomEdge - FONT_CELL_HEIGHT * 2);
+ }
+
+ *YPos = ((UGAHeight - *Height) / 2);
+ if (*YPos < BannerBottomEdge)
+ *YPos = BannerBottomEdge + FONT_CELL_HEIGHT + (HintTop - BannerBottomEdge - *Height) / 2;
+} // VOID ComputeSubScreenWindowSize()
+
// Displays sub-menus
static VOID GraphicsMenuStyle(IN REFIT_MENU_SCREEN *Screen, IN SCROLL_STATE *State, IN UINTN Function, IN CHAR16 *ParamText)
{
INTN i;
UINTN ItemWidth;
- static UINTN MenuWidth, EntriesPosX, EntriesPosY, TimeoutPosY;
+ static UINTN LineWidth, MenuWidth, MenuHeight, EntriesPosX, EntriesPosY, TimeoutPosY;
+ EG_IMAGE *Window;
+ EG_PIXEL *BackgroundPixel = &(GlobalConfig.ScreenBackground->PixelData[0]);
State->ScrollMode = SCROLL_MODE_TEXT;
switch (Function) {
case MENU_FUNCTION_INIT:
InitScroll(State, Screen->EntryCount, 0);
-
- // determine width of the menu
- MenuWidth = 20; // minimum
- for (i = 0; i < (INTN)Screen->InfoLineCount; i++) {
- ItemWidth = StrLen(Screen->InfoLines[i]);
- if (MenuWidth < ItemWidth)
- MenuWidth = ItemWidth;
- }
- for (i = 0; i <= State->MaxIndex; i++) {
- ItemWidth = StrLen(Screen->Entries[i]->Title);
- if (MenuWidth < ItemWidth)
- MenuWidth = ItemWidth;
- }
- MenuWidth = TEXT_XMARGIN * 2 + MenuWidth * FONT_CELL_WIDTH;
- if (MenuWidth > LAYOUT_TEXT_WIDTH)
- MenuWidth = LAYOUT_TEXT_WIDTH;
-
- if (Screen->TitleImage)
- EntriesPosX = (UGAWidth + (Screen->TitleImage->Width + TITLEICON_SPACING) - MenuWidth) >> 1;
- else
- EntriesPosX = (UGAWidth - MenuWidth) >> 1;
- EntriesPosY = ComputeRow0PosX() + TEXT_LINE_HEIGHT * 2;
+ ComputeSubScreenWindowSize(Screen, State, &EntriesPosX, &EntriesPosY, &MenuWidth, &MenuHeight, &LineWidth);
TimeoutPosY = EntriesPosY + (Screen->EntryCount + 1) * TEXT_LINE_HEIGHT;
// initial painting
SwitchToGraphicsAndClear();
+ Window = egCreateFilledImage(MenuWidth, MenuHeight, FALSE, BackgroundPixel);
+ egDrawImage(Window, EntriesPosX, EntriesPosY);
egMeasureText(Screen->Title, &ItemWidth, NULL);
- DrawSubmenuText(Screen->Title, 0, ((UGAWidth - ItemWidth) >> 1) - TEXT_XMARGIN, EntriesPosY - TEXT_LINE_HEIGHT * 2);
- if (Screen->TitleImage)
- BltImage(Screen->TitleImage, EntriesPosX - (Screen->TitleImage->Width + TITLEICON_SPACING), EntriesPosY);
+ DrawText(Screen->Title, FALSE, (StrLen(Screen->Title) + 2) * FONT_CELL_WIDTH,
+ EntriesPosX + (MenuWidth - ItemWidth) / 2, EntriesPosY += TEXT_LINE_HEIGHT);
+ if (Screen->TitleImage) {
+ BltImageAlpha(Screen->TitleImage, EntriesPosX + TITLEICON_SPACING, EntriesPosY + TEXT_LINE_HEIGHT * 2,
+ BackgroundPixel);
+ EntriesPosX += (Screen->TitleImage->Width + TITLEICON_SPACING * 2);
+ }
+ EntriesPosY += (TEXT_LINE_HEIGHT * 2);
if (Screen->InfoLineCount > 0) {
for (i = 0; i < (INTN)Screen->InfoLineCount; i++) {
- DrawSubmenuText(Screen->InfoLines[i], 0, EntriesPosX, EntriesPosY);
+ DrawText(Screen->InfoLines[i], FALSE, LineWidth, EntriesPosX, EntriesPosY);
EntriesPosY += TEXT_LINE_HEIGHT;
}
EntriesPosY += TEXT_LINE_HEIGHT; // also add a blank line
case MENU_FUNCTION_PAINT_ALL:
for (i = 0; i <= State->MaxIndex; i++) {
- DrawSubmenuText(Screen->Entries[i]->Title, (i == State->CurrentSelection) ? MenuWidth : 0,
- EntriesPosX, EntriesPosY + i * TEXT_LINE_HEIGHT);
+ DrawText(Screen->Entries[i]->Title, (i == State->CurrentSelection), LineWidth, EntriesPosX,
+ EntriesPosY + i * TEXT_LINE_HEIGHT);
}
if (!(GlobalConfig.HideUIFlags & HIDEUI_FLAG_HINTS)) {
- if ((Screen->Hint1 != NULL) && (StrLen(Screen->Hint1) > 0)) {
- DrawSubmenuText(Screen->Hint1, 0, (UGAWidth - (StrLen(Screen->Hint1) * FONT_CELL_WIDTH)) / 2,
- UGAHeight - (FONT_CELL_HEIGHT * 3));
- }
- if ((Screen->Hint2 != NULL) && (StrLen(Screen->Hint2) > 0)) {
- DrawSubmenuText(Screen->Hint2, 0, (UGAWidth - (StrLen(Screen->Hint2) * FONT_CELL_WIDTH)) / 2,
- UGAHeight - (FONT_CELL_HEIGHT * 2));
- } // if
+ if ((Screen->Hint1 != NULL) && (StrLen(Screen->Hint1) > 0))
+ DrawTextWithTransparency(Screen->Hint1, (UGAWidth - LAYOUT_TEXT_WIDTH) / 2, UGAHeight - (FONT_CELL_HEIGHT * 3));
+ if ((Screen->Hint2 != NULL) && (StrLen(Screen->Hint2) > 0))
+ DrawTextWithTransparency(Screen->Hint2, (UGAWidth - LAYOUT_TEXT_WIDTH) / 2, UGAHeight - (FONT_CELL_HEIGHT * 2));
} // if
break;
case MENU_FUNCTION_PAINT_SELECTION:
// redraw selection cursor
- DrawSubmenuText(Screen->Entries[State->PreviousSelection]->Title, 0,
- EntriesPosX, EntriesPosY + State->PreviousSelection * TEXT_LINE_HEIGHT);
- DrawSubmenuText(Screen->Entries[State->CurrentSelection]->Title, MenuWidth,
- EntriesPosX, EntriesPosY + State->CurrentSelection * TEXT_LINE_HEIGHT);
+ DrawText(Screen->Entries[State->PreviousSelection]->Title, FALSE, LineWidth,
+ EntriesPosX, EntriesPosY + State->PreviousSelection * TEXT_LINE_HEIGHT);
+ DrawText(Screen->Entries[State->CurrentSelection]->Title, TRUE, LineWidth,
+ EntriesPosX, EntriesPosY + State->CurrentSelection * TEXT_LINE_HEIGHT);
break;
case MENU_FUNCTION_PAINT_TIMEOUT:
- DrawSubmenuText(ParamText, 0, EntriesPosX, TimeoutPosY);
+ DrawText(ParamText, FALSE, LineWidth, EntriesPosX, TimeoutPosY);
break;
}
} // if
} // VOID DrawMainMenuEntry()
-static VOID DrawMainMenuText(IN CHAR16 *Text, IN UINTN XPos, IN UINTN YPos)
-{
- UINTN TextWidth, TextPosX;
-
- TextBuffer = egCropImage(GlobalConfig.ScreenBackground, XPos, YPos, LAYOUT_TEXT_WIDTH, TEXT_LINE_HEIGHT);
-
- // render the text
- egMeasureText(Text, &TextWidth, NULL);
- if (TextWidth > TextBuffer->Width)
- TextPosX = 0;
- else
- TextPosX = (TextBuffer->Width - TextWidth) / 2;
- egRenderText(Text, TextBuffer, TextPosX, 0);
- egDrawImageWithTransparency(TextBuffer, NULL, XPos, YPos, TextBuffer->Width, TextBuffer->Height);
-}
-
static VOID PaintAll(IN REFIT_MENU_SCREEN *Screen, IN SCROLL_STATE *State, UINTN *itemPosX,
UINTN row0PosY, UINTN row1PosY, UINTN textPosY) {
INTN i;
}
}
if (!(GlobalConfig.HideUIFlags & HIDEUI_FLAG_LABEL))
- DrawMainMenuText(Screen->Entries[State->CurrentSelection]->Title,
+ DrawTextWithTransparency(Screen->Entries[State->CurrentSelection]->Title,
(UGAWidth - LAYOUT_TEXT_WIDTH) >> 1, textPosY);
if (!(GlobalConfig.HideUIFlags & HIDEUI_FLAG_HINTS)) {
- DrawMainMenuText(Screen->Hint1, (UGAWidth - LAYOUT_TEXT_WIDTH) / 2, UGAHeight - (FONT_CELL_HEIGHT * 3));
- DrawMainMenuText(Screen->Hint2, (UGAWidth - LAYOUT_TEXT_WIDTH) / 2, UGAHeight - (FONT_CELL_HEIGHT * 2));
+ DrawTextWithTransparency(Screen->Hint1, (UGAWidth - LAYOUT_TEXT_WIDTH) / 2, UGAHeight - (FONT_CELL_HEIGHT * 3));
+ DrawTextWithTransparency(Screen->Hint2, (UGAWidth - LAYOUT_TEXT_WIDTH) / 2, UGAHeight - (FONT_CELL_HEIGHT * 2));
} // if
} // static VOID PaintAll()
DrawMainMenuEntry(Screen->Entries[State->PreviousSelection], FALSE, itemPosX[XSelectPrev], YPosPrev);
DrawMainMenuEntry(Screen->Entries[State->CurrentSelection], TRUE, itemPosX[XSelectCur], YPosCur);
if (!(GlobalConfig.HideUIFlags & HIDEUI_FLAG_LABEL))
- DrawMainMenuText(Screen->Entries[State->CurrentSelection]->Title,
+ DrawTextWithTransparency(Screen->Entries[State->CurrentSelection]->Title,
(UGAWidth - LAYOUT_TEXT_WIDTH) >> 1, textPosY);
} else { // Current selection not visible; must redraw the menu....
MainMenuStyle(Screen, State, MENU_FUNCTION_PAINT_ALL, NULL);
} // static VOID PaintIcon()
inline UINTN ComputeRow0PosX(VOID) {
-// return ((UGAHeight / 2) - (5 * ROW0_TILESIZE / 6));
return ((UGAHeight / 2) - ROW0_TILESIZE / 2);
} // UINTN ComputeRow0PosX()
case MENU_FUNCTION_PAINT_TIMEOUT:
if (!(GlobalConfig.HideUIFlags & HIDEUI_FLAG_LABEL))
- DrawMainMenuText(ParamText, (UGAWidth - LAYOUT_TEXT_WIDTH) >> 1, textPosY + TEXT_LINE_HEIGHT);
+ DrawTextWithTransparency(ParamText, (UGAWidth - LAYOUT_TEXT_WIDTH) >> 1, textPosY + TEXT_LINE_HEIGHT);
break;
}