diff options
Diffstat (limited to 'graphics/surface.cpp')
-rw-r--r-- | graphics/surface.cpp | 105 |
1 files changed, 61 insertions, 44 deletions
diff --git a/graphics/surface.cpp b/graphics/surface.cpp index 271e32fc0c..cee8e61438 100644 --- a/graphics/surface.cpp +++ b/graphics/surface.cpp @@ -17,9 +17,6 @@ * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * $URL$ - * $Id$ */ #include "common/algorithm.h" @@ -41,23 +38,25 @@ static void plotPoint(int x, int y, int color, void *data) { } void Surface::drawLine(int x0, int y0, int x1, int y1, uint32 color) { - if (bytesPerPixel == 1) + if (format.bytesPerPixel == 1) Graphics::drawLine(x0, y0, x1, y1, color, plotPoint<byte>, this); - else if (bytesPerPixel == 2) + else if (format.bytesPerPixel == 2) Graphics::drawLine(x0, y0, x1, y1, color, plotPoint<uint16>, this); + else if (format.bytesPerPixel == 4) + Graphics::drawLine(x0, y0, x1, y1, color, plotPoint<uint32>, this); else - error("Surface::drawLine: bytesPerPixel must be 1 or 2"); + error("Surface::drawLine: bytesPerPixel must be 1, 2, or 4"); } -void Surface::create(uint16 width, uint16 height, uint8 bytesPP) { +void Surface::create(uint16 width, uint16 height, const PixelFormat &f) { free(); w = width; h = height; - bytesPerPixel = bytesPP; - pitch = w * bytesPP; + format = f; + pitch = w * format.bytesPerPixel; - pixels = calloc(width * height, bytesPP); + pixels = calloc(width * height, format.bytesPerPixel); assert(pixels); } @@ -65,11 +64,11 @@ void Surface::free() { ::free(pixels); pixels = 0; w = h = pitch = 0; - bytesPerPixel = 0; + format = PixelFormat(); } void Surface::copyFrom(const Surface &surf) { - create(surf.w, surf.h, surf.bytesPerPixel); + create(surf.w, surf.h, surf.format); memcpy(pixels, surf.pixels, h * pitch); } @@ -89,14 +88,17 @@ void Surface::hLine(int x, int y, int x2, uint32 color) { if (x2 < x) return; - if (bytesPerPixel == 1) { + if (format.bytesPerPixel == 1) { byte *ptr = (byte *)getBasePtr(x, y); - memset(ptr, (byte)color, x2-x+1); - } else if (bytesPerPixel == 2) { + memset(ptr, (byte)color, x2 - x + 1); + } else if (format.bytesPerPixel == 2) { uint16 *ptr = (uint16 *)getBasePtr(x, y); - Common::set_to(ptr, ptr + (x2-x+1), (uint16)color); + Common::set_to(ptr, ptr + (x2 - x + 1), (uint16)color); + } else if (format.bytesPerPixel == 4) { + uint32 *ptr = (uint32 *)getBasePtr(x, y); + Common::set_to(ptr, ptr + (x2 - x + 1), color); } else { - error("Surface::hLine: bytesPerPixel must be 1 or 2"); + error("Surface::hLine: bytesPerPixel must be 1, 2, or 4"); } } @@ -113,20 +115,27 @@ void Surface::vLine(int x, int y, int y2, uint32 color) { if (y2 >= h) y2 = h - 1; - if (bytesPerPixel == 1) { + if (format.bytesPerPixel == 1) { byte *ptr = (byte *)getBasePtr(x, y); while (y++ <= y2) { *ptr = (byte)color; ptr += pitch; } - } else if (bytesPerPixel == 2) { + } else if (format.bytesPerPixel == 2) { uint16 *ptr = (uint16 *)getBasePtr(x, y); while (y++ <= y2) { *ptr = (uint16)color; - ptr += pitch/2; + ptr += pitch / 2; + } + + } else if (format.bytesPerPixel == 4) { + uint32 *ptr = (uint32 *)getBasePtr(x, y); + while (y++ <= y2) { + *ptr = color; + ptr += pitch / 4; } } else { - error("Surface::vLine: bytesPerPixel must be 1 or 2"); + error("Surface::vLine: bytesPerPixel must be 1, 2, or 4"); } } @@ -141,14 +150,14 @@ void Surface::fillRect(Common::Rect r, uint32 color) { int height = r.height(); bool useMemset = true; - if (bytesPerPixel == 2) { + if (format.bytesPerPixel == 2) { lineLen *= 2; if ((uint16)color != ((color & 0xff) | (color & 0xff) << 8)) useMemset = false; - } else if (bytesPerPixel == 4) { + } else if (format.bytesPerPixel == 4) { useMemset = false; - } else if (bytesPerPixel != 1) { - error("Surface::fillRect: bytesPerPixel must be 1, 2 or 4"); + } else if (format.bytesPerPixel != 1) { + error("Surface::fillRect: bytesPerPixel must be 1, 2, or 4"); } if (useMemset) { @@ -158,11 +167,11 @@ void Surface::fillRect(Common::Rect r, uint32 color) { ptr += pitch; } } else { - if (bytesPerPixel == 2) { + if (format.bytesPerPixel == 2) { uint16 *ptr = (uint16 *)getBasePtr(r.left, r.top); while (height--) { Common::set_to(ptr, ptr + width, (uint16)color); - ptr += pitch/2; + ptr += pitch / 2; } } else { uint32 *ptr = (uint32 *)getBasePtr(r.left, r.top); @@ -175,10 +184,10 @@ void Surface::fillRect(Common::Rect r, uint32 color) { } void Surface::frameRect(const Common::Rect &r, uint32 color) { - hLine(r.left, r.top, r.right-1, color); - hLine(r.left, r.bottom-1, r.right-1, color); - vLine(r.left, r.top, r.bottom-1, color); - vLine(r.right-1, r.top, r.bottom-1, color); + hLine(r.left, r.top, r.right - 1, color); + hLine(r.left, r.bottom - 1, r.right - 1, color); + vLine(r.left, r.top, r.bottom - 1, color); + vLine(r.right - 1, r.top, r.bottom - 1, color); } void Surface::move(int dx, int dy, int height) { @@ -186,8 +195,8 @@ void Surface::move(int dx, int dy, int height) { if ((dx == 0 && dy == 0) || height <= 0) return; - if (bytesPerPixel != 1 && bytesPerPixel != 2) - error("Surface::move: bytesPerPixel must be 1 or 2"); + if (format.bytesPerPixel != 1 && format.bytesPerPixel != 2 && format.bytesPerPixel != 4) + error("Surface::move: bytesPerPixel must be 1, 2, or 4"); byte *src, *dst; int x, y; @@ -216,37 +225,45 @@ void Surface::move(int dx, int dy, int height) { // horizontal movement if (dx > 0) { // move right - copy from right to left - dst = (byte *)pixels + (pitch - bytesPerPixel); - src = dst - (dx * bytesPerPixel); + dst = (byte *)pixels + (pitch - format.bytesPerPixel); + src = dst - (dx * format.bytesPerPixel); for (y = 0; y < height; y++) { for (x = dx; x < w; x++) { - if (bytesPerPixel == 1) { + if (format.bytesPerPixel == 1) { *dst-- = *src--; - } else if (bytesPerPixel == 2) { + } else if (format.bytesPerPixel == 2) { *(uint16 *)dst = *(const uint16 *)src; src -= 2; dst -= 2; + } else if (format.bytesPerPixel == 4) { + *(uint32 *)dst = *(const uint32 *)src; + src -= 4; + dst -= 4; } } - src += pitch + (pitch - dx * bytesPerPixel); - dst += pitch + (pitch - dx * bytesPerPixel); + src += pitch + (pitch - dx * format.bytesPerPixel); + dst += pitch + (pitch - dx * format.bytesPerPixel); } } else if (dx < 0) { // move left - copy from left to right dst = (byte *)pixels; - src = dst - (dx * bytesPerPixel); + src = dst - (dx * format.bytesPerPixel); for (y = 0; y < height; y++) { for (x = -dx; x < w; x++) { - if (bytesPerPixel == 1) { + if (format.bytesPerPixel == 1) { *dst++ = *src++; - } else if (bytesPerPixel == 2) { + } else if (format.bytesPerPixel == 2) { *(uint16 *)dst = *(const uint16 *)src; src += 2; dst += 2; + } else if (format.bytesPerPixel == 4) { + *(uint32 *)dst = *(const uint32 *)src; + src += 4; + dst += 4; } } - src += pitch - (pitch + dx * bytesPerPixel); - dst += pitch - (pitch + dx * bytesPerPixel); + src += pitch - (pitch + dx * format.bytesPerPixel); + dst += pitch - (pitch + dx * format.bytesPerPixel); } } } |