Initial commit

engines/freescape/font.cpp

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "engines/freescape/freescape.h"
+#include "engines/freescape/font.h"
+
+namespace Freescape {
+
+Common::String shiftStr(const Common::String &str, int shift) {
+	Common::String result;
+	for (int i = 0; i < int(str.size()); i++) {
+		int c = shift + str[i];
+		assert(c < 256);
+		result += char(c);
+	}
+	return result;
+}
+
+Common::String centerAndPadString(const Common::String &str, int size) {
+	Common::String result;
+
+	if (int(str.size()) >= size)
+		return str;
+
+	int padding = (size - str.size()) / 2;
+	for (int i = 0; i < padding; i++)
+		result += " ";
+
+	result += str;
+
+	if (int(result.size()) >= size)
+		return result;
+
+	padding = size - result.size();
+
+	for (int i = 0; i < padding; i++)
+		result += " ";
+	return result;
+}
+
+Font::Font() {
+	_backgroundColor = 0;
+	_secondaryColor = 0;
+	_kerningOffset = 0;
+	_charWidth = 0;
+	_chars.clear();
+}
+
+Font::Font(Common::Array<Graphics::ManagedSurface *> &chars) {
+	_chars = chars;
+	_backgroundColor = 0;
+	_secondaryColor = 0;
+	_kerningOffset = 0;
+	_charWidth = 8;
+}
+
+Font::~Font() {
+	/*for (Graphics::ManagedSurface *surface : _chars) {
+		surface->free();
+		delete surface;
+	}*/
+}
+
+int Font::getCharWidth(uint32 chr) const {
+	return _charWidth;
+}
+
+int Font::getMaxCharWidth() const {
+	return getCharWidth(0);
+}
+
+int Font::getFontHeight() const {
+	return _chars[0]->h + 1;
+}
+
+void Font::setSecondaryColor(uint32 color) {
+	_secondaryColor = color;
+}
+
+void Font::setBackground(uint32 color) {
+	_backgroundColor = color;
+}
+
+void Font::drawChar(Graphics::Surface *dst, uint32 chr, int x, int y, uint32 color) const {
+	assert(chr >= 32);
+	chr -= 32;
+
+	// Check if the character drawing is completely contained in the surface
+	// Make sure you use the correct width for the character
+	int height = getCharWidth(chr);
+	int width = getCharWidth(chr);
+	if (x < 0 || y < 0 || x + width > dst->w || y + height > dst->h) {
+		//warning("drawChar: Character %d (%c) is out of bounds at (%d, %d)", chr + 32, char(chr + 32), x, y);
+		return;
+	}
+
+	Graphics::ManagedSurface surface = Graphics::ManagedSurface();
+	surface.copyFrom(*_chars[chr]);
+
+	uint8 rb, gb, bb;
+	uint8 rp, gp, bp;
+	uint8 rs, gs, bs;
+
+	dst->format.colorToRGB(color, rp, gp, bp);
+	dst->format.colorToRGB(_secondaryColor, rs, gs, bs);
+	dst->format.colorToRGB(_backgroundColor, rb, gb, bb);
+
+	byte palette[3][3] = {
+		{ rb, gb, bb },
+		{ rp, gp, bp },
+		{ rs, gs, bs },
+	};
+
+	if (surface.format != dst->format)
+		surface.convertToInPlace(dst->format, (byte *)palette, 3);
+
+	if (_backgroundColor == dst->format.ARGBToColor(0x00, 0x00, 0x00, 0x00))
+		dst->copyRectToSurfaceWithKey(surface, x, y, Common::Rect(0, 0, MIN(int(surface.w), _charWidth), surface.h), dst->format.ARGBToColor(0xFF, 0x00, 0x00, 0x00));
+	else
+		dst->copyRectToSurface(surface, x, y, Common::Rect(0, 0, MIN(int(surface.w), _charWidth), surface.h));
+
+	surface.free();
+}
+
+Common::Array<Graphics::ManagedSurface *> FreescapeEngine::getChars(Common::SeekableReadStream *file, int offset, int charsNumber) {
+	byte *fontBuffer = (byte *)malloc(6 * charsNumber);
+	file->seek(offset);
+	file->read(fontBuffer, 6 * charsNumber);
+
+	Common::BitArray font;
+	font.set_size(48 * charsNumber); // Enough to hold characters for all platforms
+	font.set_bits(fontBuffer);
+
+	Common::Array<Graphics::ManagedSurface *> chars;
+
+	int sizeX = 8;
+	int sizeY = 6;
+	int additional = isEclipse() ? 0 : 1;
+
+	for (int c = 0; c < charsNumber - 1; c++) {
+		int position = sizeX * sizeY * c;
+
+		Graphics::ManagedSurface *surface = new Graphics::ManagedSurface();
+
+		int charWidth = sizeX;
+		if (_renderMode == Common::kRenderHercG || isC64())
+			charWidth *= 2;
+
+		surface->create(charWidth, sizeY, Graphics::PixelFormat::createFormatCLUT8());
+		for (int j = 0; j < sizeY; j++) {
+			for (int i = 0; i < sizeX; i++) {
+				if (font.get(position + additional + j * 8 + i)) {
+					if (_renderMode == Common::kRenderHercG || isC64()) {
+						surface->setPixel(2 * (7 - i), j, 1);
+						surface->setPixel(2 * (7 - i) + 1, j, 1);
+					} else {
+						surface->setPixel(7 - i, j, 1);
+					}
+				}
+			}
+		}
+		chars.push_back(surface);
+	}
+	return chars;
+}
+
+Common::Array<Graphics::ManagedSurface *> FreescapeEngine::getCharsAmigaAtariInternal(int sizeX, int sizeY, int additional, int m1, int m2, Common::SeekableReadStream *file, int offset, int charsNumber) {
+
+	file->seek(offset);
+	int fontSize = 4654;
+	byte *fontBuffer = (byte *)malloc(fontSize);
+	file->read(fontBuffer, fontSize);
+
+	Common::BitArray font;
+	font.set_size(8 * fontSize);
+	font.set_bits(fontBuffer);
+	Common::Array<Graphics::ManagedSurface *> chars;
+
+	for (int c = 0; c < charsNumber - 1; c++) {
+		int position = 8 * (m1 * c + 1);
+		Graphics::ManagedSurface *surface = new Graphics::ManagedSurface();
+		surface->create(sizeX, sizeY, Graphics::PixelFormat::createFormatCLUT8());
+		for (int j = 0; j < sizeY; j++) {
+			for (int i = 0; i < sizeX; i++) {
+				if (font.get(position + additional + j * m2 + i + 7))
+					surface->setPixel(7 - i, j, 2);
+				else if (font.get(position + j * m2 + i)) {
+					surface->setPixel(7 - i, j, 1);
+				} else
+					surface->setPixel(7 - i, j, 0);
+			}
+		}
+		chars.push_back(surface);
+	}
+	free(fontBuffer);
+	return chars;
+}
+
+Common::Array<Graphics::ManagedSurface *> FreescapeEngine::getCharsAmigaAtari(Common::SeekableReadStream *file, int offset, int charsNumber) {
+	return getCharsAmigaAtariInternal(8, 8, isEclipse() ? 0 : 1, isDriller() ? 33 : 16, isDriller() ? 32 : 16, file, offset, charsNumber);
+}
+
+void FreescapeEngine::drawStringInSurface(const Common::String &str, int x, int y, uint32 fontColor, uint32 backColor, Graphics::Surface *surface, int offset) {
+	Common::String ustr = str;
+	if (!isEclipse())
+		ustr.toUppercase();
+	_font.setBackground(backColor);
+	_font.drawString(surface, ustr, x, y, _screenW, fontColor);
+}
+
+void FreescapeEngine::drawStringInSurface(const Common::String &str, int x, int y, uint32 primaryColor, uint32 secondaryColor, uint32 backColor, Graphics::Surface *surface, int offset) {
+	Common::String ustr = str;
+	ustr.toUppercase();
+	_font.setBackground(backColor);
+	_font.setSecondaryColor(secondaryColor);
+	_font.drawString(surface, ustr, x, y, _screenW, primaryColor);
+}
+
+
+} // End of namespace Freescape